repos/blastem: render_fbdev.c annotate

annotate render_fbdev.c @ 1863:d60f2d7c02a5

Differentiate between the full Sega mapper and the SRAM only one. Fixes crash on save state load for Phantasy Star IV and other games that use the same mapper

author	Michael Pavone <pavone@retrodev.com>
date	Tue, 14 May 2019 23:20:35 -0700
parents	2b661c1e431f
children	2fd0a8cb1c80

rev	line source
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1 /*
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	2 Copyright 2013 Michael Pavone
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	3 This file is part of BlastEm.
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	5 */
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	6 #include <stdlib.h>
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	7 #include <stdio.h>
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	8 #include <string.h>
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	9 #include <math.h>
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	10 #include <linux/fb.h>
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	11 #include <linux/input.h>
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	12 #include <linux/kd.h>
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	13 #include <alsa/asoundlib.h>
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	14 #include <sys/types.h>
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	15 #include <sys/stat.h>
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	16 #include <sys/ioctl.h>
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	17 #include <sys/mman.h>
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	18 #include <fcntl.h>
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	19 #include <unistd.h>
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	20 #include <pthread.h>
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	21 #include <dirent.h>
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	22 #include "render.h"
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	23 #include "blastem.h"
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	24 #include "genesis.h"
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	25 #include "bindings.h"
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	26 #include "util.h"
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	27 #include "paths.h"
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	28 #include "ppm.h"
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	29 #include "png.h"
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	30 #include "config.h"
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	31 #include "controller_info.h"
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	32
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	33 #ifndef DISABLE_OPENGL
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	34 #include <EGL/egl.h>
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	35 #include <GLES2/gl2.h>
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	36 #ifdef USE_MALI
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	37 //Mali GLES headers don't seem to define GLchar for some reason
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	38 typedef char GLchar;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	39 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	40 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	41
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	42 #define MAX_EVENT_POLL_PER_FRAME 2
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	43
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	44 static EGLContext main_context;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	45
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	46 static int main_width, main_height, windowed_width, windowed_height, is_fullscreen;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	47
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	48 static uint8_t render_gl = 1;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	49 static uint8_t scanlines = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	50
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	51 static uint32_t last_frame = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	52 static snd_pcm_uframes_t buffer_samples;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	53 static unsigned int output_channels, sample_rate;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	54 static uint32_t missing_count;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	55
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	56
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	57 static uint8_t quitting = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	58
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	59 struct audio_source {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	60 int16_t *front;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	61 int16_t *back;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	62 double dt;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	63 uint64_t buffer_fraction;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	64 uint64_t buffer_inc;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	65 uint32_t buffer_pos;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	66 uint32_t read_start;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	67 uint32_t read_end;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	68 uint32_t lowpass_alpha;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	69 uint32_t mask;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	70 int16_t last_left;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	71 int16_t last_right;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	72 uint8_t num_channels;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	73 uint8_t front_populated;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	74 };
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	75
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	76 static audio_source *audio_sources[8];
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	77 static audio_source *inactive_audio_sources[8];
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	78 static uint8_t num_audio_sources;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	79 static uint8_t num_inactive_audio_sources;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	80 static uint32_t min_buffered;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	81
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	82 typedef int32_t (mix_func)(audio_source audio, void *vstream, int len);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	83
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	84 static int32_t mix_s16(audio_source audio, void vstream, int len)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	85 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	86 int samples = len/(sizeof(int16_t)*output_channels);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	87 int16_t *stream = vstream;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	88 int16_t end = stream + output_channelssamples;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	89 int16_t *src = audio->front;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	90 uint32_t i = audio->read_start;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	91 uint32_t i_end = audio->read_end;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	92 int16_t *cur = stream;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	93 size_t first_add = output_channels > 1 ? 1 : 0, second_add = output_channels > 1 ? output_channels - 1 : 1;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	94 if (audio->num_channels == 1) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	95 while (cur < end && i != i_end)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	96 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	97 *cur += src[i];
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	98 cur += first_add;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	99 *cur += src[i++];
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	100 cur += second_add;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	101 i &= audio->mask;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	102 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	103 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	104 while (cur < end && i != i_end)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	105 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	106 *cur += src[i++];
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	107 cur += first_add;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	108 *cur += src[i++];
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	109 cur += second_add;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	110 i &= audio->mask;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	111 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	112 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	113
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	114 if (cur != end) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	115 printf("Underflow of %d samples, read_start: %d, read_end: %d, mask: %X\n", (int)(end-cur)/2, audio->read_start, audio->read_end, audio->mask);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	116 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	117 if (cur != end) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	118 //printf("Underflow of %d samples, read_start: %d, read_end: %d, mask: %X\n", (int)(end-cur)/2, audio->read_start, audio->read_end, audio->mask);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	119 return (cur-end)/2;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	120 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	121 return ((i_end - i) & audio->mask) / audio->num_channels;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	122 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	123 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	124
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	125 static int32_t mix_f32(audio_source audio, void vstream, int len)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	126 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	127 int samples = len/(sizeof(float)*output_channels);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	128 float *stream = vstream;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	129 float end = stream + output_channelssamples;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	130 int16_t *src = audio->front;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	131 uint32_t i = audio->read_start;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	132 uint32_t i_end = audio->read_end;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	133 float *cur = stream;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	134 size_t first_add = output_channels > 1 ? 1 : 0, second_add = output_channels > 1 ? output_channels - 1 : 1;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	135 if (audio->num_channels == 1) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	136 while (cur < end && i != i_end)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	137 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	138 *cur += ((float)src[i]) / 0x7FFF;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	139 cur += first_add;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	140 *cur += ((float)src[i++]) / 0x7FFF;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	141 cur += second_add;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	142 i &= audio->mask;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	143 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	144 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	145 while(cur < end && i != i_end)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	146 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	147 *cur += ((float)src[i++]) / 0x7FFF;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	148 cur += first_add;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	149 *cur += ((float)src[i++]) / 0x7FFF;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	150 cur += second_add;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	151 i &= audio->mask;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	152 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	153 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	154 if (cur != end) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	155 printf("Underflow of %d samples, read_start: %d, read_end: %d, mask: %X\n", (int)(end-cur)/2, audio->read_start, audio->read_end, audio->mask);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	156 return (cur-end)/2;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	157 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	158 return ((i_end - i) & audio->mask) / audio->num_channels;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	159 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	160 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	161
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	162 static int32_t mix_null(audio_source audio, void vstream, int len)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	163 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	164 return 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	165 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	166
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	167 static mix_func mix;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	168
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	169 static void render_close_audio()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	170 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	171
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	172 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	173
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	174 #define BUFFER_INC_RES 0x40000000UL
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	175
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	176 void render_audio_adjust_clock(audio_source *src, uint64_t master_clock, uint64_t sample_divider)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	177 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	178 src->buffer_inc = ((BUFFER_INC_RES * (uint64_t)sample_rate) / master_clock) * sample_divider;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	179 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	180
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	181 audio_source *render_audio_source(uint64_t master_clock, uint64_t sample_divider, uint8_t channels)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	182 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	183 audio_source *ret = NULL;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	184 uint32_t alloc_size = channels * buffer_samples;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	185 if (num_audio_sources < 8) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	186 ret = malloc(sizeof(audio_source));
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	187 ret->back = malloc(alloc_size * sizeof(int16_t));
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	188 ret->front = malloc(alloc_size * sizeof(int16_t));
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	189 ret->front_populated = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	190 ret->num_channels = channels;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	191 audio_sources[num_audio_sources++] = ret;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	192 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	193 if (!ret) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	194 fatal_error("Too many audio sources!");
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	195 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	196 render_audio_adjust_clock(ret, master_clock, sample_divider);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	197 double lowpass_cutoff = get_lowpass_cutoff(config);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	198 double rc = (1.0 / lowpass_cutoff) / (2.0 * M_PI);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	199 ret->dt = 1.0 / ((double)master_clock / (double)(sample_divider));
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	200 double alpha = ret->dt / (ret->dt + rc);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	201 ret->lowpass_alpha = (int32_t)(((double)0x10000) * alpha);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	202 ret->buffer_pos = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	203 ret->buffer_fraction = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	204 ret->last_left = ret->last_right = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	205 ret->read_start = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	206 ret->read_end = buffer_samples * channels;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	207 ret->mask = 0xFFFFFFFF;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	208 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	209 return ret;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	210 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	211
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	212 void render_pause_source(audio_source *src)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	213 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	214 for (uint8_t i = 0; i < num_audio_sources; i++)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	215 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	216 if (audio_sources[i] == src) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	217 audio_sources[i] = audio_sources[--num_audio_sources];
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	218 break;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	219 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	220 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	221 inactive_audio_sources[num_inactive_audio_sources++] = src;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	222 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	223
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	224 void render_resume_source(audio_source *src)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	225 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	226 if (num_audio_sources < 8) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	227 audio_sources[num_audio_sources++] = src;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	228 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	229 for (uint8_t i = 0; i < num_inactive_audio_sources; i++)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	230 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	231 if (inactive_audio_sources[i] == src) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	232 inactive_audio_sources[i] = inactive_audio_sources[--num_inactive_audio_sources];
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	233 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	234 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	235 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	236
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	237 void render_free_source(audio_source *src)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	238 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	239 render_pause_source(src);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	240
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	241 free(src->front);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	242 free(src->back);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	243 free(src);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	244 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	245 snd_pcm_t *audio_handle;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	246 static void do_audio_ready(audio_source *src)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	247 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	248 if (src->front_populated) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	249 fatal_error("Audio source filled up a buffer a second time before other sources finished their first\n");
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	250 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	251 int16_t *tmp = src->front;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	252 src->front = src->back;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	253 src->back = tmp;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	254 src->front_populated = 1;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	255 src->buffer_pos = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	256
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	257 for (uint8_t i = 0; i < num_audio_sources; i++)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	258 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	259 if (!audio_sources[i]->front_populated) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	260 //at least one audio source is not ready yet.
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	261 return;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	262 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	263 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	264
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	265 size_t bytes = (mix == mix_s16 ? sizeof(int16_t) : sizeof(float)) * output_channels * buffer_samples;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	266 void *buffer = malloc(bytes);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	267 for (uint8_t i = 0; i < num_audio_sources; i++)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	268 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	269 mix(audio_sources[i], buffer, bytes);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	270 audio_sources[i]->front_populated = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	271 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	272 int frames = snd_pcm_writei(audio_handle, buffer, buffer_samples);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	273 if (frames < 0) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	274 frames = snd_pcm_recover(audio_handle, frames, 0);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	275 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	276 if (frames < 0) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	277 fprintf(stderr, "Failed to write samples: %s\n", snd_strerror(frames));
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	278 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	279 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	280
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	281 static int16_t lowpass_sample(audio_source *src, int16_t last, int16_t current)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	282 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	283 int32_t tmp = current * src->lowpass_alpha + last * (0x10000 - src->lowpass_alpha);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	284 current = tmp >> 16;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	285 return current;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	286 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	287
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	288 static void interp_sample(audio_source *src, int16_t last, int16_t current)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	289 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	290 int64_t tmp = last * ((src->buffer_fraction << 16) / src->buffer_inc);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	291 tmp += current * (0x10000 - ((src->buffer_fraction << 16) / src->buffer_inc));
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	292 src->back[src->buffer_pos++] = tmp >> 16;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	293 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	294
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	295 void render_put_mono_sample(audio_source *src, int16_t value)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	296 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	297 value = lowpass_sample(src, src->last_left, value);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	298 src->buffer_fraction += src->buffer_inc;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	299 uint32_t base = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	300 while (src->buffer_fraction > BUFFER_INC_RES)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	301 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	302 src->buffer_fraction -= BUFFER_INC_RES;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	303 interp_sample(src, src->last_left, value);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	304
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	305 if (((src->buffer_pos - base) & src->mask) >= buffer_samples) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	306 do_audio_ready(src);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	307 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	308 src->buffer_pos &= src->mask;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	309 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	310 src->last_left = value;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	311 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	312
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	313 void render_put_stereo_sample(audio_source *src, int16_t left, int16_t right)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	314 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	315 left = lowpass_sample(src, src->last_left, left);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	316 right = lowpass_sample(src, src->last_right, right);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	317 src->buffer_fraction += src->buffer_inc;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	318 uint32_t base = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	319 while (src->buffer_fraction > BUFFER_INC_RES)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	320 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	321 src->buffer_fraction -= BUFFER_INC_RES;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	322
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	323 interp_sample(src, src->last_left, left);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	324 interp_sample(src, src->last_right, right);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	325
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	326 if (((src->buffer_pos - base) & src->mask)/2 >= buffer_samples) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	327 do_audio_ready(src);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	328 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	329 src->buffer_pos &= src->mask;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	330 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	331 src->last_left = left;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	332 src->last_right = right;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	333 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	334
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	335 int render_width()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	336 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	337 return main_width;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	338 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	339
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	340 int render_height()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	341 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	342 return main_height;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	343 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	344
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	345 int render_fullscreen()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	346 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	347 return 1;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	348 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	349
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	350 uint32_t red_shift, blue_shift, green_shift;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	351 uint32_t render_map_color(uint8_t r, uint8_t g, uint8_t b)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	352 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	353 return r << red_shift \| g << green_shift \| b << blue_shift;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	354 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	355
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	356 #ifndef DISABLE_OPENGL
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	357 static GLuint textures[3], buffers[2], vshader, fshader, program, un_textures[2], un_width, un_height, at_pos;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	358
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	359 static GLfloat vertex_data_default[] = {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	360 -1.0f, -1.0f,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	361 1.0f, -1.0f,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	362 -1.0f, 1.0f,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	363 1.0f, 1.0f
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	364 };
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	365
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	366 static GLfloat vertex_data[8];
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	367
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	368 static const GLushort element_data[] = {0, 1, 2, 3};
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	369
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	370 static const GLchar shader_prefix[] =
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	371 #ifdef USE_GLES
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	372 "#version 100\n";
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	373 #else
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	374 "#version 110\n"
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	375 "#define lowp\n"
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	376 "#define mediump\n"
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	377 "#define highp\n";
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	378 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	379
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	380 static GLuint load_shader(char * fname, GLenum shader_type)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	381 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	382 char const * parts[] = {get_home_dir(), "/.config/blastem/shaders/", fname};
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	383 char * shader_path = alloc_concat_m(3, parts);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	384 FILE * f = fopen(shader_path, "rb");
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	385 free(shader_path);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	386 GLchar * text;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	387 long fsize;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	388 if (f) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	389 fsize = file_size(f);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	390 text = malloc(fsize);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	391 if (fread(text, 1, fsize, f) != fsize) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	392 warning("Error reading from shader file %s\n", fname);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	393 free(text);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	394 return 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	395 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	396 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	397 shader_path = path_append("shaders", fname);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	398 uint32_t fsize32;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	399 text = read_bundled_file(shader_path, &fsize32);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	400 free(shader_path);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	401 if (!text) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	402 warning("Failed to open shader file %s for reading\n", fname);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	403 return 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	404 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	405 fsize = fsize32;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	406 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	407
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	408 if (strncmp(text, "#version", strlen("#version"))) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	409 GLchar *tmp = text;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	410 text = alloc_concat(shader_prefix, tmp);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	411 free(tmp);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	412 fsize += strlen(shader_prefix);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	413 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	414 GLuint ret = glCreateShader(shader_type);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	415 glShaderSource(ret, 1, (const GLchar *)&text, (const GLint )&fsize);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	416 free(text);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	417 glCompileShader(ret);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	418 GLint compile_status, loglen;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	419 glGetShaderiv(ret, GL_COMPILE_STATUS, &compile_status);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	420 if (!compile_status) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	421 glGetShaderiv(ret, GL_INFO_LOG_LENGTH, &loglen);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	422 text = malloc(loglen);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	423 glGetShaderInfoLog(ret, loglen, NULL, text);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	424 warning("Shader %s failed to compile:\n%s\n", fname, text);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	425 free(text);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	426 glDeleteShader(ret);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	427 return 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	428 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	429 return ret;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	430 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	431 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	432
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	433 #define MAX_FB_LINES 590
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	434 static uint32_t texture_buf[MAX_FB_LINES * LINEBUF_SIZE * 2];
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	435 #ifdef DISABLE_OPENGL
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	436 #define RENDER_FORMAT SDL_PIXELFORMAT_ARGB8888
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	437 #else
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	438 #ifdef USE_GLES
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	439 #define INTERNAL_FORMAT GL_RGBA
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	440 #define SRC_FORMAT GL_RGBA
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	441 #define RENDER_FORMAT SDL_PIXELFORMAT_ABGR8888
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	442 #else
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	443 #define INTERNAL_FORMAT GL_RGBA8
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	444 #define SRC_FORMAT GL_BGRA
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	445 #define RENDER_FORMAT SDL_PIXELFORMAT_ARGB8888
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	446 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	447 static void gl_setup()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	448 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	449 tern_val def = {.ptrval = "linear"};
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	450 char *scaling = tern_find_path_default(config, "video\0scaling\0", def, TVAL_PTR).ptrval;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	451 GLint filter = strcmp(scaling, "linear") ? GL_NEAREST : GL_LINEAR;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	452 glGenTextures(3, textures);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	453 for (int i = 0; i < 3; i++)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	454 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	455 glBindTexture(GL_TEXTURE_2D, textures[i]);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	456 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	457 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	458 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	459 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	460 if (i < 2) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	461 //TODO: Fixme for PAL + invalid display mode
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	462 glTexImage2D(GL_TEXTURE_2D, 0, INTERNAL_FORMAT, 512, 512, 0, SRC_FORMAT, GL_UNSIGNED_BYTE, texture_buf);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	463 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	464 uint32_t blank = 255 << 24;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	465 glTexImage2D(GL_TEXTURE_2D, 0, INTERNAL_FORMAT, 1, 1, 0, SRC_FORMAT, GL_UNSIGNED_BYTE, &blank);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	466 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	467 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	468 glGenBuffers(2, buffers);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	469 glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	470 glBufferData(GL_ARRAY_BUFFER, sizeof(vertex_data), vertex_data, GL_STATIC_DRAW);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	471 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[1]);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	472 glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(element_data), element_data, GL_STATIC_DRAW);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	473 def.ptrval = "default.v.glsl";
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	474 vshader = load_shader(tern_find_path_default(config, "video\0vertex_shader\0", def, TVAL_PTR).ptrval, GL_VERTEX_SHADER);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	475 def.ptrval = "default.f.glsl";
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	476 fshader = load_shader(tern_find_path_default(config, "video\0fragment_shader\0", def, TVAL_PTR).ptrval, GL_FRAGMENT_SHADER);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	477 program = glCreateProgram();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	478 glAttachShader(program, vshader);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	479 glAttachShader(program, fshader);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	480 glLinkProgram(program);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	481 GLint link_status;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	482 glGetProgramiv(program, GL_LINK_STATUS, &link_status);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	483 if (!link_status) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	484 fputs("Failed to link shader program\n", stderr);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	485 exit(1);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	486 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	487 un_textures[0] = glGetUniformLocation(program, "textures[0]");
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	488 un_textures[1] = glGetUniformLocation(program, "textures[1]");
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	489 un_width = glGetUniformLocation(program, "width");
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	490 un_height = glGetUniformLocation(program, "height");
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	491 at_pos = glGetAttribLocation(program, "pos");
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	492 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	493
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	494 static void gl_teardown()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	495 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	496 glDeleteProgram(program);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	497 glDeleteShader(vshader);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	498 glDeleteShader(fshader);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	499 glDeleteBuffers(2, buffers);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	500 glDeleteTextures(3, textures);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	501 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	502 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	503
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	504 static uint8_t texture_init;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	505 static void render_alloc_surfaces()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	506 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	507 if (texture_init) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	508 return;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	509 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	510 texture_init = 1;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	511 #ifndef DISABLE_OPENGL
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	512 if (render_gl) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	513 gl_setup();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	514 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	515 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	516 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	517
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	518 static void free_surfaces(void)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	519 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	520 texture_init = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	521 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	522
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	523 static char * caption = NULL;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	524 static char * fps_caption = NULL;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	525
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	526 static void render_quit()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	527 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	528 render_close_audio();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	529 free_surfaces();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	530 #ifndef DISABLE_OPENGL
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	531 if (render_gl) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	532 gl_teardown();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	533 //FIXME: replace with EGL equivalent
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	534 //SDL_GL_DeleteContext(main_context);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	535 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	536 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	537 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	538
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	539 static float config_aspect()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	540 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	541 static float aspect = 0.0f;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	542 if (aspect == 0.0f) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	543 char *config_aspect = tern_find_path_default(config, "video\0aspect\0", (tern_val){.ptrval = "4:3"}, TVAL_PTR).ptrval;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	544 if (strcmp("stretch", config_aspect)) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	545 aspect = 4.0f/3.0f;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	546 char *end;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	547 float aspect_numerator = strtof(config_aspect, &end);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	548 if (aspect_numerator > 0.0f && *end == ':') {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	549 float aspect_denominator = strtof(end+1, &end);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	550 if (aspect_denominator > 0.0f && !*end) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	551 aspect = aspect_numerator / aspect_denominator;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	552 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	553 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	554 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	555 aspect = -1.0f;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	556 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	557 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	558 return aspect;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	559 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	560
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	561 static void update_aspect()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	562 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	563 //reset default values
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	564 #ifndef DISABLE_OPENGL
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	565 memcpy(vertex_data, vertex_data_default, sizeof(vertex_data));
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	566 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	567 if (config_aspect() > 0.0f) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	568 float aspect = (float)main_width / main_height;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	569 if (fabs(aspect - config_aspect()) < 0.01f) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	570 //close enough for government work
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	571 return;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	572 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	573 #ifndef DISABLE_OPENGL
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	574 if (render_gl) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	575 for (int i = 0; i < 4; i++)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	576 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	577 if (aspect > config_aspect()) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	578 vertex_data[i2] = config_aspect()/aspect;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	579 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	580 vertex_data[i2+1] = aspect/config_aspect();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	581 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	582 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	583 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	584 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	585 //TODO: Maybe do some stuff for non-integer scaling in raw fbdev copy
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	586 #ifndef DISABLE_OPENGL
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	587 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	588 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	589 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	590 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	591
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	592 static uint8_t scancode_map[128] = {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	593 [KEY_A] = 0x1C,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	594 [KEY_B] = 0x32,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	595 [KEY_C] = 0x21,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	596 [KEY_D] = 0x23,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	597 [KEY_E] = 0x24,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	598 [KEY_F] = 0x2B,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	599 [KEY_G] = 0x34,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	600 [KEY_H] = 0x33,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	601 [KEY_I] = 0x43,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	602 [KEY_J] = 0x3B,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	603 [KEY_K] = 0x42,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	604 [KEY_L] = 0x4B,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	605 [KEY_M] = 0x3A,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	606 [KEY_N] = 0x31,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	607 [KEY_O] = 0x44,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	608 [KEY_P] = 0x4D,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	609 [KEY_Q] = 0x15,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	610 [KEY_R] = 0x2D,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	611 [KEY_S] = 0x1B,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	612 [KEY_T] = 0x2C,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	613 [KEY_U] = 0x3C,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	614 [KEY_V] = 0x2A,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	615 [KEY_W] = 0x1D,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	616 [KEY_X] = 0x22,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	617 [KEY_Y] = 0x35,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	618 [KEY_Z] = 0x1A,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	619 [KEY_1] = 0x16,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	620 [KEY_2] = 0x1E,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	621 [KEY_3] = 0x26,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	622 [KEY_4] = 0x25,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	623 [KEY_5] = 0x2E,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	624 [KEY_6] = 0x36,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	625 [KEY_7] = 0x3D,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	626 [KEY_8] = 0x3E,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	627 [KEY_9] = 0x46,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	628 [KEY_0] = 0x45,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	629 [KEY_ENTER] = 0x5A,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	630 [KEY_ESC] = 0x76,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	631 [KEY_SPACE] = 0x29,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	632 [KEY_TAB] = 0x0D,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	633 [KEY_BACKSPACE] = 0x66,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	634 [KEY_MINUS] = 0x4E,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	635 [KEY_EQUAL] = 0x55,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	636 [KEY_LEFTBRACE] = 0x54,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	637 [KEY_RIGHTBRACE] = 0x5B,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	638 [KEY_BACKSLASH] = 0x5D,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	639 [KEY_SEMICOLON] = 0x4C,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	640 [KEY_APOSTROPHE] = 0x52,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	641 [KEY_GRAVE] = 0x0E,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	642 [KEY_COMMA] = 0x41,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	643 [KEY_DOT] = 0x49,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	644 [KEY_SLASH] = 0x4A,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	645 [KEY_CAPSLOCK] = 0x58,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	646 [KEY_F1] = 0x05,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	647 [KEY_F2] = 0x06,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	648 [KEY_F3] = 0x04,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	649 [KEY_F4] = 0x0C,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	650 [KEY_F5] = 0x03,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	651 [KEY_F6] = 0x0B,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	652 [KEY_F7] = 0x83,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	653 [KEY_F8] = 0x0A,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	654 [KEY_F9] = 0x01,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	655 [KEY_F10] = 0x09,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	656 [KEY_F11] = 0x78,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	657 [KEY_F12] = 0x07,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	658 [KEY_LEFTCTRL] = 0x14,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	659 [KEY_LEFTSHIFT] = 0x12,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	660 [KEY_LEFTALT] = 0x11,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	661 [KEY_RIGHTCTRL] = 0x18,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	662 [KEY_RIGHTSHIFT] = 0x59,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	663 [KEY_RIGHTALT] = 0x17,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	664 [KEY_INSERT] = 0x81,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	665 [KEY_PAUSE] = 0x82,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	666 [KEY_SYSRQ] = 0x84,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	667 [KEY_SCROLLLOCK] = 0x7E,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	668 [KEY_DELETE] = 0x85,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	669 [KEY_LEFT] = 0x86,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	670 [KEY_HOME] = 0x87,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	671 [KEY_END] = 0x88,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	672 [KEY_UP] = 0x89,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	673 [KEY_DOWN] = 0x8A,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	674 [KEY_PAGEUP] = 0x8B,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	675 [KEY_PAGEDOWN] = 0x8C,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	676 [KEY_RIGHT] = 0x8D,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	677 [KEY_NUMLOCK] = 0x77,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	678 [KEY_KPSLASH] = 0x80,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	679 [KEY_KPASTERISK] = 0x7C,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	680 [KEY_KPMINUS] = 0x7B,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	681 [KEY_KPPLUS] = 0x79,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	682 [KEY_KPENTER] = 0x19,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	683 [KEY_KP1] = 0x69,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	684 [KEY_KP2] = 0x72,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	685 [KEY_KP3] = 0x7A,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	686 [KEY_KP4] = 0x6B,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	687 [KEY_KP5] = 0x73,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	688 [KEY_KP6] = 0x74,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	689 [KEY_KP7] = 0x6C,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	690 [KEY_KP8] = 0x75,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	691 [KEY_KP9] = 0x7D,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	692 [KEY_KP0] = 0x70,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	693 [KEY_KPDOT] = 0x71,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	694 };
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	695
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	696 #include "special_keys_evdev.h"
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	697 static uint8_t sym_map[128] = {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	698 [KEY_A] = 'a',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	699 [KEY_B] = 'b',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	700 [KEY_C] = 'c',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	701 [KEY_D] = 'd',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	702 [KEY_E] = 'e',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	703 [KEY_F] = 'f',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	704 [KEY_G] = 'g',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	705 [KEY_H] = 'h',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	706 [KEY_I] = 'i',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	707 [KEY_J] = 'j',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	708 [KEY_K] = 'k',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	709 [KEY_L] = 'l',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	710 [KEY_M] = 'm',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	711 [KEY_N] = 'n',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	712 [KEY_O] = 'o',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	713 [KEY_P] = 'p',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	714 [KEY_Q] = 'q',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	715 [KEY_R] = 'r',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	716 [KEY_S] = 's',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	717 [KEY_T] = 't',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	718 [KEY_U] = 'u',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	719 [KEY_V] = 'v',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	720 [KEY_W] = 'w',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	721 [KEY_X] = 'x',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	722 [KEY_Y] = 'y',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	723 [KEY_Z] = 'z',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	724 [KEY_1] = '1',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	725 [KEY_2] = '2',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	726 [KEY_3] = '3',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	727 [KEY_4] = '4',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	728 [KEY_5] = '5',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	729 [KEY_6] = '6',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	730 [KEY_7] = '7',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	731 [KEY_8] = '8',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	732 [KEY_9] = '9',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	733 [KEY_0] = '0',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	734 [KEY_ENTER] = '\r',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	735 [KEY_SPACE] = ' ',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	736 [KEY_TAB] = '\t',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	737 [KEY_BACKSPACE] = '\b',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	738 [KEY_MINUS] = '-',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	739 [KEY_EQUAL] = '=',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	740 [KEY_LEFTBRACE] = '[',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	741 [KEY_RIGHTBRACE] = ']',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	742 [KEY_BACKSLASH] = '\\',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	743 [KEY_SEMICOLON] = ';',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	744 [KEY_APOSTROPHE] = '\'',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	745 [KEY_GRAVE] = '`',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	746 [KEY_COMMA] = ',',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	747 [KEY_DOT] = '.',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	748 [KEY_SLASH] = '/',
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	749 [KEY_ESC] = RENDERKEY_ESC,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	750 [KEY_F1] = RENDERKEY_F1,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	751 [KEY_F2] = RENDERKEY_F2,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	752 [KEY_F3] = RENDERKEY_F3,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	753 [KEY_F4] = RENDERKEY_F4,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	754 [KEY_F5] = RENDERKEY_F5,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	755 [KEY_F6] = RENDERKEY_F6,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	756 [KEY_F7] = RENDERKEY_F7,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	757 [KEY_F8] = RENDERKEY_F8,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	758 [KEY_F9] = RENDERKEY_F9,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	759 [KEY_F10] = RENDERKEY_F10,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	760 [KEY_F11] = RENDERKEY_F11,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	761 [KEY_F12] = RENDERKEY_F12,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	762 [KEY_LEFTCTRL] = RENDERKEY_LCTRL,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	763 [KEY_LEFTSHIFT] = RENDERKEY_LSHIFT,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	764 [KEY_LEFTALT] = RENDERKEY_LALT,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	765 [KEY_RIGHTCTRL] = RENDERKEY_RCTRL,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	766 [KEY_RIGHTSHIFT] = RENDERKEY_RSHIFT,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	767 [KEY_RIGHTALT] = RENDERKEY_RALT,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	768 [KEY_DELETE] = RENDERKEY_DEL,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	769 [KEY_LEFT] = RENDERKEY_LEFT,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	770 [KEY_HOME] = RENDERKEY_HOME,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	771 [KEY_END] = RENDERKEY_END,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	772 [KEY_UP] = RENDERKEY_UP,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	773 [KEY_DOWN] = RENDERKEY_DOWN,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	774 [KEY_PAGEUP] = RENDERKEY_PAGEUP,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	775 [KEY_PAGEDOWN] = RENDERKEY_PAGEDOWN,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	776 [KEY_RIGHT] = RENDERKEY_RIGHT,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	777 [KEY_KPSLASH] = 0x80,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	778 [KEY_KPASTERISK] = 0x7C,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	779 [KEY_KPMINUS] = 0x7B,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	780 [KEY_KPPLUS] = 0x79,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	781 [KEY_KPENTER] = 0x19,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	782 [KEY_KP1] = 0x69,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	783 [KEY_KP2] = 0x72,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	784 [KEY_KP3] = 0x7A,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	785 [KEY_KP4] = 0x6B,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	786 [KEY_KP5] = 0x73,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	787 [KEY_KP6] = 0x74,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	788 [KEY_KP7] = 0x6C,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	789 [KEY_KP8] = 0x75,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	790 [KEY_KP9] = 0x7D,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	791 [KEY_KP0] = 0x70,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	792 [KEY_KPDOT] = 0x71,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	793 };
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	794
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	795 static drop_handler drag_drop_handler;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	796 void render_set_drag_drop_handler(drop_handler handler)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	797 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	798 drag_drop_handler = handler;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	799 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	800
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	801 char* render_joystick_type_id(int index)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	802 {
1786 2b661c1e431f Remove some commented out code in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1785 diff changeset	803 return strdup("");
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	804 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	805
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	806 static uint32_t overscan_top[NUM_VID_STD] = {2, 21};
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	807 static uint32_t overscan_bot[NUM_VID_STD] = {1, 17};
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	808 static uint32_t overscan_left[NUM_VID_STD] = {13, 13};
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	809 static uint32_t overscan_right[NUM_VID_STD] = {14, 14};
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	810 static vid_std video_standard = VID_NTSC;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	811
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	812 typedef enum {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	813 DEV_NONE,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	814 DEV_KEYBOARD,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	815 DEV_MOUSE,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	816 DEV_GAMEPAD
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	817 } device_type;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	818
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	819 static int32_t mouse_x, mouse_y, mouse_accum_x, mouse_accum_y;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	820 static int32_t handle_event(device_type dtype, int device_index, struct input_event *event)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	821 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	822 switch (event->type) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	823 case EV_KEY:
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	824 //code is key, value is 1 for keydown, 0 for keyup
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	825 if (dtype == DEV_KEYBOARD && event->code < 128) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	826 //keyboard key that we might have a mapping for
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	827 if (event->value) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	828 handle_keydown(sym_map[event->code], scancode_map[event->code]);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	829 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	830 handle_keyup(sym_map[event->code], scancode_map[event->code]);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	831 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	832 } else if (dtype == DEV_MOUSE && event->code >= BTN_MOUSE && event->code < BTN_JOYSTICK) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	833 //mosue button
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	834 if (event->value) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	835 handle_mousedown(device_index, event->code - BTN_LEFT);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	836 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	837 handle_mouseup(device_index, event->code - BTN_LEFT);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	838 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	839 } else if (dtype == DEV_GAMEPAD && event->code >= BTN_GAMEPAD && event->code < BTN_DIGI) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	840 //gamepad button
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	841 if (event->value) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	842 handle_joydown(device_index, event->code - BTN_SOUTH);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	843 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	844 handle_joyup(device_index, event->code - BTN_SOUTH);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	845 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	846 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	847 break;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	848 case EV_REL:
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	849 if (dtype == DEV_MOUSE) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	850 switch(event->code)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	851 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	852 case REL_X:
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	853 mouse_accum_x += event->value;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	854 break;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	855 case REL_Y:
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	856 mouse_accum_y += event->value;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	857 break;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	858 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	859 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	860 break;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	861 case EV_ABS:
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	862 //TODO: Handle joystick axis/hat motion, absolute mouse movement
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	863 break;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	864 case EV_SYN:
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	865 if (dtype == DEV_MOUSE && (mouse_accum_x \|\| mouse_accum_y)) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	866 mouse_x += mouse_accum_x;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	867 mouse_y += mouse_accum_y;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	868 if (mouse_x < 0) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	869 mouse_x = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	870 } else if (mouse_x >= main_width) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	871 mouse_x = main_width - 1;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	872 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	873 if (mouse_y < 0) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	874 mouse_y = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	875 } else if (mouse_y >= main_height) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	876 mouse_y = main_height - 1;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	877 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	878 handle_mouse_moved(device_index, mouse_x, mouse_y, mouse_accum_x, mouse_accum_y);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	879 mouse_accum_x = mouse_accum_y = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	880 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	881 break;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	882 /*
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	883 case SDL_JOYHATMOTION:
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	884 handle_joy_dpad(find_joystick_index(event->jhat.which), event->jhat.hat, event->jhat.value);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	885 break;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	886 case SDL_JOYAXISMOTION:
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	887 handle_joy_axis(find_joystick_index(event->jaxis.which), event->jaxis.axis, event->jaxis.value);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	888 break;*/
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	889 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	890 return 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	891 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	892
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	893 #define MAX_DEVICES 16
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	894 static int device_fds[MAX_DEVICES];
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	895 static device_type device_types[MAX_DEVICES];
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	896 static int cur_devices;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	897
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	898 static void drain_events()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	899 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	900 struct input_event events[64];
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	901 int index_by_type[3] = {0,0,0};
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	902 for (int i = 0; i < cur_devices; i++)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	903 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	904 int bytes = sizeof(events);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	905 int device_index = index_by_type[device_types[i]-1]++;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	906 while (bytes == sizeof(events))
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	907 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	908 bytes = read(device_fds[i], events, sizeof(events));
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	909 if (bytes > 0) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	910 int num_events = bytes / sizeof(events[0]);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	911 for (int j = 0; j < num_events; j++)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	912 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	913 handle_event(device_types[i], device_index, events + j);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	914 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	915 } else if (bytes < 0 && errno != EAGAIN && errno != EWOULDBLOCK) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	916 perror("Failed to read evdev events");
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	917 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	918 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	919 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	920 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	921
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	922 static char *vid_std_names[NUM_VID_STD] = {"ntsc", "pal"};
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	923
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	924 static void init_audio()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	925 {
1780 fc9bea5ee079 Fix off-by-one error in evdev init code and allow ALSA device to be specified in config Michael Pavone <pavone@retrodev.com> parents: 1779 diff changeset	926 char *device_name = tern_find_path_default(config, "audio\0alsa_device\0", (tern_val){.ptrval="default"}, TVAL_PTR).ptrval;
fc9bea5ee079 Fix off-by-one error in evdev init code and allow ALSA device to be specified in config Michael Pavone <pavone@retrodev.com> parents: 1779 diff changeset	927 int res = snd_pcm_open(&audio_handle, device_name, SND_PCM_STREAM_PLAYBACK, 0);
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	928 if (res < 0) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	929 fatal_error("Failed to open ALSA device: %s\n", snd_strerror(res));
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	930 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	931
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	932 snd_pcm_hw_params_t *params;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	933 snd_pcm_hw_params_alloca(&params);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	934 res = snd_pcm_hw_params_any(audio_handle, params);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	935 if (res < 0) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	936 fatal_error("No playback configurations available: %s\n", snd_strerror(res));
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	937 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	938 res = snd_pcm_hw_params_set_access(audio_handle, params, SND_PCM_ACCESS_RW_INTERLEAVED);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	939 if (res < 0) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	940 fatal_error("Failed to set access type: %s\n", snd_strerror(res));
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	941 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	942 res = snd_pcm_hw_params_set_format(audio_handle, params, SND_PCM_FORMAT_S16_LE);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	943 if (res < 0) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	944 //failed to set, signed 16-bit integer, try floating point
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	945 res = snd_pcm_hw_params_set_format(audio_handle, params, SND_PCM_FORMAT_FLOAT_LE);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	946 if (res < 0) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	947 fatal_error("Failed to set an acceptable format: %s\n", snd_strerror(res));
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	948 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	949 mix = mix_f32;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	950 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	951 mix = mix_s16;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	952 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	953
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	954 char * rate_str = tern_find_path(config, "audio\0rate\0", TVAL_PTR).ptrval;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	955 sample_rate = rate_str ? atoi(rate_str) : 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	956 if (!sample_rate) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	957 sample_rate = 48000;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	958 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	959 snd_pcm_hw_params_set_rate_near(audio_handle, params, &sample_rate, NULL);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	960 output_channels = 2;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	961 snd_pcm_hw_params_set_channels_near(audio_handle, params, &output_channels);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	962
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	963 char * samples_str = tern_find_path(config, "audio\0buffer\0", TVAL_PTR).ptrval;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	964 buffer_samples = samples_str ? atoi(samples_str) : 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	965 if (!buffer_samples) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	966 buffer_samples = 512;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	967 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	968 snd_pcm_hw_params_set_period_size_near(audio_handle, params, &buffer_samples, NULL);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	969
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	970 int dir = 1;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	971 unsigned int periods = 2;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	972 snd_pcm_hw_params_set_periods_near(audio_handle, params, &periods, &dir);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	973
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	974 res = snd_pcm_hw_params(audio_handle, params);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	975 if (res < 0) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	976 fatal_error("Failed to set ALSA hardware params: %s\n", snd_strerror(res));
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	977 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	978
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	979 printf("Initialized audio at frequency %d with a %d sample buffer, ", (int)sample_rate, (int)buffer_samples);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	980 if (mix == mix_s16) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	981 puts("signed 16-bit int format");
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	982 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	983 puts("32-bit float format");
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	984 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	985 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	986
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	987 int fbfd;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	988 uint32_t *framebuffer;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	989 uint32_t fb_stride;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	990 #ifndef DISABLE_OPENGL
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	991 EGLDisplay egl_display;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	992 EGLSurface main_surface;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	993 uint8_t egl_setup(void)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	994 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	995 //Mesa wants the fbdev file descriptor as the display
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	996 egl_display = eglGetDisplay((EGLNativeDisplayType)fbfd);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	997 if (egl_display == EGL_NO_DISPLAY) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	998 //Mali (and possibly others) seems to just want EGL_DEFAULT_DISPLAY
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	999 egl_display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1000 if (egl_display == EGL_NO_DISPLAY) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1001 warning("eglGetDisplay failed with error %X\n", eglGetError());
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1002 return 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1003 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1004 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1005 EGLint major, minor;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1006 if (!eglInitialize(egl_display, &major, &minor)) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1007 warning("eglInitialize failed with error %X\n", eglGetError());
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1008 return 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1009 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1010 printf("EGL version %d.%d\n", major, minor);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1011 EGLint num_configs;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1012 EGLConfig config;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1013 EGLint const config_attribs[] = {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1014 EGL_RED_SIZE, 5,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1015 EGL_GREEN_SIZE, 5,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1016 EGL_BLUE_SIZE, 5,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1017 EGL_CONFORMANT, EGL_OPENGL_ES2_BIT,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1018 EGL_NONE
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1019 };
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1020 if (!eglChooseConfig(egl_display, config_attribs, &config, 1, &num_configs)) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1021 num_configs = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1022 warning("eglChooseConfig failed with error %X\n", eglGetError());
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1023 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1024 if (!num_configs) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1025 warning("Failed to choose an EGL config\n");
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1026 goto error;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1027 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1028 EGLint const context_attribs[] = {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1029 #ifdef EGL_CONTEXT_MAJOR_VERSION
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1030 EGL_CONTEXT_MAJOR_VERSION, 2,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1031 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1032 EGL_NONE
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1033 };
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1034 main_context = eglCreateContext(egl_display, config, EGL_NO_CONTEXT, context_attribs);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1035 if (main_context == EGL_NO_CONTEXT) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1036 warning("Failed to create EGL context %X\n", eglGetError());
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1037 goto error;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1038 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1039 #ifdef USE_MALI
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1040 struct mali_native_window native_window = {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1041 .width = main_width,
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1042 .height = main_height
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1043 };
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1044 main_surface = eglCreateWindowSurface(egl_display, config, &native_window, NULL);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1045 #else
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1046 main_surface = eglCreateWindowSurface(egl_display, config, (EGLNativeWindowType)NULL, NULL);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1047 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1048 if (main_surface == EGL_NO_SURFACE) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1049 warning("Failed to create EGL surface %X\n", eglGetError());
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1050 goto post_context_error;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1051 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1052 if (eglMakeCurrent(egl_display, main_surface, main_surface, main_context)) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1053 return 1;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1054 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1055 eglDestroySurface(egl_display, main_surface);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1056 post_context_error:
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1057 eglDestroyContext(egl_display, main_context);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1058 error:
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1059 eglTerminate(egl_display);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1060 return 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1061 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1062 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1063 static pthread_mutex_t buffer_lock = PTHREAD_MUTEX_INITIALIZER;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1064 static pthread_cond_t buffer_cond = PTHREAD_COND_INITIALIZER;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1065 static uint8_t buffer_ready;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1066 static uint32_t *copy_buffer;
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1067 static uint32_t last_width, last_width_scale, last_height, last_height_scale;
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1068 static uint32_t max_multiple;
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1069
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1070 static uint32_t mix_pixel(uint32_t last, uint32_t cur, float ratio)
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1071 {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1072 float a,b,c,d;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1073 a = (last & 255) * ratio;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1074 b = (last >> 8 & 255) * ratio;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1075 c = (last >> 16 & 255) * ratio;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1076 d = (last >> 24 & 255) * ratio;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1077 ratio = 1.0f - ratio;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1078 a += (cur & 255) * ratio;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1079 b += (cur >> 8 & 255) * ratio;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1080 c += (cur >> 16 & 255) * ratio;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1081 d += (cur >> 24 & 255) * ratio;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1082 return ((int)d) << 24 \| ((int)c) << 16 \| ((int)b) << 8 \| ((int)a);
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1083 }
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1084 static void do_buffer_copy(void)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1085 {
1782 b2bffd98063d Scale H32 horizontally in fbdev backend so it has the correct aspect ratio Michael Pavone <pavone@retrodev.com> parents: 1781 diff changeset	1086 uint32_t width_multiple = main_width / last_width_scale;
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1087 uint32_t height_multiple = main_height / last_height_scale;
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1088 uint32_t multiple = width_multiple < height_multiple ? width_multiple : height_multiple;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1089 if (max_multiple && multiple > max_multiple) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1090 multiple = max_multiple;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1091 }
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1092 height_multiple = last_height_scale * multiple / last_height;
1782 b2bffd98063d Scale H32 horizontally in fbdev backend so it has the correct aspect ratio Michael Pavone <pavone@retrodev.com> parents: 1781 diff changeset	1093 uint32_t cur_line = framebuffer + (main_width - last_width_scale multiple)/2;
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1094 cur_line += fb_stride * (main_height - last_height_scale * multiple) / (2 * sizeof(uint32_t));
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1095 uint32_t *src_line = copy_buffer;
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1096 if (height_multiple * last_height == multiple * last_height_scale) {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1097 if (last_width == last_width_scale) {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1098 for (uint32_t y = 0; y < last_height; y++)
1782 b2bffd98063d Scale H32 horizontally in fbdev backend so it has the correct aspect ratio Michael Pavone <pavone@retrodev.com> parents: 1781 diff changeset	1099 {
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1100 for (uint32_t i = 0; i < height_multiple; i++)
1782 b2bffd98063d Scale H32 horizontally in fbdev backend so it has the correct aspect ratio Michael Pavone <pavone@retrodev.com> parents: 1781 diff changeset	1101 {
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1102 uint32_t *cur = cur_line;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1103 uint32_t *src = src_line;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1104 for (uint32_t x = 0; x < last_width ; x++)
1782 b2bffd98063d Scale H32 horizontally in fbdev backend so it has the correct aspect ratio Michael Pavone <pavone@retrodev.com> parents: 1781 diff changeset	1105 {
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1106 uint32_t pixel = *(src++);
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1107 for (uint32_t j = 0; j < multiple; j++)
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1108 {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1109 *(cur++) = pixel;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1110 }
1782 b2bffd98063d Scale H32 horizontally in fbdev backend so it has the correct aspect ratio Michael Pavone <pavone@retrodev.com> parents: 1781 diff changeset	1111 }
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1112
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1113 cur_line += fb_stride / sizeof(uint32_t);
1782 b2bffd98063d Scale H32 horizontally in fbdev backend so it has the correct aspect ratio Michael Pavone <pavone@retrodev.com> parents: 1781 diff changeset	1114 }
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1115 src_line += LINEBUF_SIZE;
1782 b2bffd98063d Scale H32 horizontally in fbdev backend so it has the correct aspect ratio Michael Pavone <pavone@retrodev.com> parents: 1781 diff changeset	1116 }
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1117 } else {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1118 float scale_multiple = ((float)(last_width_scale * multiple)) / (float)last_width;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1119 float remaining = 0.0f;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1120 uint32_t last_pixel = 0;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1121 for (uint32_t y = 0; y < last_height; y++)
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1122 {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1123 for (uint32_t i = 0; i < height_multiple; i++)
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1124 {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1125 uint32_t *cur = cur_line;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1126 uint32_t *src = src_line;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1127 for (uint32_t x = 0; x < last_width ; x++)
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1128 {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1129 uint32_t pixel = *(src++);
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1130 float count = scale_multiple;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1131 if (remaining > 0.0f) {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1132 *(cur++) = mix_pixel(last_pixel, pixel, remaining);
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1133 count -= 1.0f - remaining;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1134 }
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1135 for (; count >= 1; count -= 1.0f)
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1136 {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1137 *(cur++) = pixel;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1138 }
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1139 remaining = count;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1140 last_pixel = pixel;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1141 }
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1142
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1143 cur_line += fb_stride / sizeof(uint32_t);
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1144 }
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1145 src_line += LINEBUF_SIZE;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1146 }
1782 b2bffd98063d Scale H32 horizontally in fbdev backend so it has the correct aspect ratio Michael Pavone <pavone@retrodev.com> parents: 1781 diff changeset	1147 }
b2bffd98063d Scale H32 horizontally in fbdev backend so it has the correct aspect ratio Michael Pavone <pavone@retrodev.com> parents: 1781 diff changeset	1148 } else {
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1149 float height_scale = ((float)(last_height_scale * multiple)) / (float)last_height;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1150 float height_remaining = 0.0f;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1151 uint32_t *last_line;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1152 if (last_width == last_width_scale) {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1153 for (uint32_t y = 0; y < last_height; y++)
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1154 {
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1155 float hcount = height_scale;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1156 if (height_remaining > 0.0f) {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1157 uint32_t *cur = cur_line;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1158 uint32_t *src = src_line;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1159 uint32_t *last = last_line;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1160 for (uint32_t x = 0; x < last_width ; x++)
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1161 {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1162 uint32_t mixed = mix_pixel((last++), (src++), height_remaining);
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1163 for (uint32_t j = 0; j < multiple; j++)
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1164 {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1165 *(cur++) = mixed;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1166 }
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1167 }
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1168 hcount -= 1.0f - height_remaining;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1169 cur_line += fb_stride / sizeof(uint32_t);
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1170 }
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1171 for(; hcount >= 1; hcount -= 1.0f)
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1172 {
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1173 uint32_t *cur = cur_line;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1174 uint32_t *src = src_line;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1175 for (uint32_t x = 0; x < last_width ; x++)
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1176 {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1177 uint32_t pixel = *(src++);
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1178 for (uint32_t j = 0; j < multiple; j++)
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1179 {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1180 *(cur++) = pixel;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1181 }
1782 b2bffd98063d Scale H32 horizontally in fbdev backend so it has the correct aspect ratio Michael Pavone <pavone@retrodev.com> parents: 1781 diff changeset	1182 }
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1183
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1184 cur_line += fb_stride / sizeof(uint32_t);
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1185 }
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1186 height_remaining = hcount;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1187 last_line = src_line;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1188 src_line += LINEBUF_SIZE;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1189 }
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1190 } else {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1191 float scale_multiple = ((float)(last_width_scale * multiple)) / (float)last_width;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1192 float remaining = 0.0f;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1193 uint32_t last_pixel = 0;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1194 for (uint32_t y = 0; y < last_height; y++)
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1195 {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1196 float hcount = height_scale;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1197 if (height_remaining > 0.0f) {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1198 uint32_t *cur = cur_line;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1199 uint32_t *src = src_line;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1200 uint32_t *last = last_line;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1201
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1202 for (uint32_t x = 0; x < last_width; x++)
1782 b2bffd98063d Scale H32 horizontally in fbdev backend so it has the correct aspect ratio Michael Pavone <pavone@retrodev.com> parents: 1781 diff changeset	1203 {
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1204 uint32_t pixel = mix_pixel((last++), (src++), height_remaining);
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1205 float count = scale_multiple;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1206 if (remaining > 0.0f) {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1207 *(cur++) = mix_pixel(last_pixel, pixel, remaining);
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1208 count -= 1.0f - remaining;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1209 }
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1210 for (; count >= 1.0f; count -= 1.0f)
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1211 {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1212 *(cur++) = pixel;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1213 }
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1214 remaining = count;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1215 last_pixel = pixel;
1782 b2bffd98063d Scale H32 horizontally in fbdev backend so it has the correct aspect ratio Michael Pavone <pavone@retrodev.com> parents: 1781 diff changeset	1216 }
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1217 hcount -= 1.0f - height_remaining;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1218 cur_line += fb_stride / sizeof(uint32_t);
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1219 }
1782 b2bffd98063d Scale H32 horizontally in fbdev backend so it has the correct aspect ratio Michael Pavone <pavone@retrodev.com> parents: 1781 diff changeset	1220
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1221 for (; hcount >= 1.0f; hcount -= 1.0f)
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1222 {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1223 uint32_t *cur = cur_line;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1224 uint32_t *src = src_line;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1225 for (uint32_t x = 0; x < last_width ; x++)
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1226 {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1227 uint32_t pixel = *(src++);
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1228 float count = scale_multiple;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1229 if (remaining > 0.0f) {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1230 *(cur++) = mix_pixel(last_pixel, pixel, remaining);
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1231 count -= 1.0f - remaining;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1232 }
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1233 for (; count >= 1; count -= 1.0f)
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1234 {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1235 *(cur++) = pixel;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1236 }
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1237 remaining = count;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1238 last_pixel = pixel;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1239 }
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1240
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1241 cur_line += fb_stride / sizeof(uint32_t);
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1242 }
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1243 height_remaining = hcount;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1244 last_line = src_line;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1245 src_line += LINEBUF_SIZE;
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1246 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1247 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1248 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1249 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1250 static void buffer_copy(void data)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1251 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1252 pthread_mutex_lock(&buffer_lock);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1253 for(;;)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1254 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1255 while (!buffer_ready)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1256 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1257 pthread_cond_wait(&buffer_cond, &buffer_lock);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1258 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1259 buffer_ready = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1260 do_buffer_copy();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1261 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1262 return 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1263 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1264
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1265 static pthread_t buffer_copy_handle;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1266 static uint8_t copy_use_thread;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1267 void window_setup(void)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1268 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1269 fbfd = open("/dev/fb0", O_RDWR);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1270 struct fb_fix_screeninfo fixInfo;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1271 struct fb_var_screeninfo varInfo;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1272 ioctl(fbfd, FBIOGET_FSCREENINFO, &fixInfo);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1273 ioctl(fbfd, FBIOGET_VSCREENINFO, &varInfo);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1274 printf("Resolution: %d x %d\n", varInfo.xres, varInfo.yres);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1275 printf("Framebuffer size: %d, line stride: %d\n", fixInfo.smem_len, fixInfo.line_length);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1276 main_width = varInfo.xres;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1277 main_height = varInfo.yres;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1278 fb_stride = fixInfo.line_length;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1279 tern_val def = {.ptrval = "audio"};
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1280 char *sync_src = tern_find_path_default(config, "system\0sync_source\0", def, TVAL_PTR).ptrval;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1281
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1282 const char *vsync;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1283 def.ptrval = "off";
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1284 vsync = tern_find_path_default(config, "video\0vsync\0", def, TVAL_PTR).ptrval;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1285
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1286
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1287 tern_node *video = tern_find_node(config, "video");
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1288 if (video)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1289 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1290 for (int i = 0; i < NUM_VID_STD; i++)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1291 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1292 tern_node *std_settings = tern_find_node(video, vid_std_names[i]);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1293 if (std_settings) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1294 char *val = tern_find_path_default(std_settings, "overscan\0top\0", (tern_val){.ptrval = NULL}, TVAL_PTR).ptrval;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1295 if (val) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1296 overscan_top[i] = atoi(val);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1297 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1298 val = tern_find_path_default(std_settings, "overscan\0bottom\0", (tern_val){.ptrval = NULL}, TVAL_PTR).ptrval;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1299 if (val) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1300 overscan_bot[i] = atoi(val);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1301 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1302 val = tern_find_path_default(std_settings, "overscan\0left\0", (tern_val){.ptrval = NULL}, TVAL_PTR).ptrval;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1303 if (val) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1304 overscan_left[i] = atoi(val);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1305 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1306 val = tern_find_path_default(std_settings, "overscan\0right\0", (tern_val){.ptrval = NULL}, TVAL_PTR).ptrval;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1307 if (val) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1308 overscan_right[i] = atoi(val);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1309 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1310 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1311 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1312 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1313 render_gl = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1314 #ifndef DISABLE_OPENGL
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1315 char *gl_enabled_str = tern_find_path_default(config, "video\0gl\0", def, TVAL_PTR).ptrval;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1316 uint8_t gl_enabled = strcmp(gl_enabled_str, "off") != 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1317 if (gl_enabled)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1318 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1319 render_gl = egl_setup();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1320 blue_shift = 16;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1321 green_shift = 8;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1322 red_shift = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1323 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1324 if (!render_gl) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1325 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1326 framebuffer = mmap(NULL, fixInfo.smem_len, PROT_READ\|PROT_WRITE, MAP_SHARED, fbfd, 0);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1327 red_shift = varInfo.red.offset;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1328 green_shift = varInfo.green.offset;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1329 blue_shift = varInfo.blue.offset;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1330 def.ptrval = "0";
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1331 max_multiple = atoi(tern_find_path_default(config, "video\0fbdev\0max_multiple\0", def, TVAL_PTR).ptrval);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1332 def.ptrval = "true";
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1333 copy_use_thread = strcmp(tern_find_path_default(config, "video\0fbdev\0use_thread\0", def, TVAL_PTR).ptrval, "false");
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1334 if (copy_use_thread) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1335 pthread_create(&buffer_copy_handle, NULL, buffer_copy, NULL);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1336 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1337 #ifndef DISABLE_OPENGL
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1338 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1339 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1340
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1341 update_aspect();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1342 render_alloc_surfaces();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1343 def.ptrval = "off";
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1344 scanlines = !strcmp(tern_find_path_default(config, "video\0scanlines\0", def, TVAL_PTR).ptrval, "on");
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1345 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1346
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1347 void restore_tty(void)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1348 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1349 ioctl(STDIN_FILENO, KDSETMODE, KD_TEXT);
1781 2b4d5cfec6d9 Grab keyboard devices at startup so keyboard input stops going to terminal while running Michael Pavone <pavone@retrodev.com> parents: 1780 diff changeset	1350 for (int i = 0; i < cur_devices; i++)
2b4d5cfec6d9 Grab keyboard devices at startup so keyboard input stops going to terminal while running Michael Pavone <pavone@retrodev.com> parents: 1780 diff changeset	1351 {
2b4d5cfec6d9 Grab keyboard devices at startup so keyboard input stops going to terminal while running Michael Pavone <pavone@retrodev.com> parents: 1780 diff changeset	1352 if (device_types[i] == DEV_KEYBOARD) {
2b4d5cfec6d9 Grab keyboard devices at startup so keyboard input stops going to terminal while running Michael Pavone <pavone@retrodev.com> parents: 1780 diff changeset	1353 ioctl(device_fds[i], EVIOCGRAB, 0);
2b4d5cfec6d9 Grab keyboard devices at startup so keyboard input stops going to terminal while running Michael Pavone <pavone@retrodev.com> parents: 1780 diff changeset	1354 }
2b4d5cfec6d9 Grab keyboard devices at startup so keyboard input stops going to terminal while running Michael Pavone <pavone@retrodev.com> parents: 1780 diff changeset	1355 }
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1356 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1357
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1358 void render_init(int width, int height, char * title, uint8_t fullscreen)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1359 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1360 if (height <= 0) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1361 float aspect = config_aspect() > 0.0f ? config_aspect() : 4.0f/3.0f;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1362 height = ((float)width / aspect) + 0.5f;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1363 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1364 printf("width: %d, height: %d\n", width, height);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1365 windowed_width = width;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1366 windowed_height = height;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1367
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1368 main_width = width;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1369 main_height = height;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1370
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1371 caption = title;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1372
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1373 if (isatty(STDIN_FILENO)) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1374 ioctl(STDIN_FILENO, KDSETMODE, KD_GRAPHICS);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1375 atexit(restore_tty);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1376 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1377
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1378 window_setup();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1379
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1380 init_audio();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1381
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1382 render_set_video_standard(VID_NTSC);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1383
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1384 DIR *d = opendir("/dev/input");
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1385 struct dirent* entry;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1386 int joystick_counter = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1387 while ((entry = readdir(d)) && cur_devices < MAX_DEVICES)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1388 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1389 if (!strncmp("event", entry->d_name, strlen("event"))) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1390 char *filename = alloc_concat("/dev/input/", entry->d_name);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1391 int fd = open(filename, O_RDONLY);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1392 if (fd == -1) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1393 int errnum = errno;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1394 warning("Failed to open evdev device %s for reading: %s\n", filename, strerror(errnum));
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1395 free(filename);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1396 continue;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1397 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1398
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1399 unsigned long bits;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1400 if (-1 == ioctl(fd, EVIOCGBIT(0, sizeof(bits)), &bits)) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1401 int errnum = errno;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1402 warning("Failed get capability bits from evdev device %s: %s\n", filename, strerror(errnum));
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1403 free(filename);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1404 close(fd);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1405 continue;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1406 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1407 if (!(1 & bits >> EV_KEY)) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1408 //if it doesn't support key events we don't care about it
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1409 free(filename);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1410 close(fd);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1411 continue;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1412 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1413 unsigned long button_bits[(BTN_THUMBR+8sizeof(long))/(8sizeof(long))];
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1414 int res = ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(button_bits)), button_bits);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1415 if (-1 == res) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1416 int errnum = errno;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1417 warning("Failed get capability bits from evdev device %s: %s\n", filename, strerror(errnum));
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1418 free(filename);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1419 close(fd);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1420 continue;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1421 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1422 int to_check[] = {KEY_ENTER, BTN_MOUSE, BTN_GAMEPAD};
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1423 device_type dtype = DEV_NONE;
1780 fc9bea5ee079 Fix off-by-one error in evdev init code and allow ALSA device to be specified in config Michael Pavone <pavone@retrodev.com> parents: 1779 diff changeset	1424 for (int i = 0; i < 3; i++)
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1425 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1426 if (1 & button_bits[to_check[i]/(8sizeof(button_bits[0]))] >> to_check[i]%(8sizeof(button_bits[0]))) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1427 dtype = i + 1;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1428 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1429 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1430 if (dtype == DEV_NONE) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1431 close(fd);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1432 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1433 device_fds[cur_devices] = fd;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1434 device_types[cur_devices] = dtype;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1435 char name[1024];
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1436 char *names[] = {"Keyboard", "Mouse", "Gamepad"};
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1437 ioctl(fd, EVIOCGNAME(sizeof(name)), name);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1438 printf("%s is a %s\n%s\n", filename, names[dtype - 1], name);
1781 2b4d5cfec6d9 Grab keyboard devices at startup so keyboard input stops going to terminal while running Michael Pavone <pavone@retrodev.com> parents: 1780 diff changeset	1439
2b4d5cfec6d9 Grab keyboard devices at startup so keyboard input stops going to terminal while running Michael Pavone <pavone@retrodev.com> parents: 1780 diff changeset	1440 if (dtype == DEV_GAMEPAD) {
2b4d5cfec6d9 Grab keyboard devices at startup so keyboard input stops going to terminal while running Michael Pavone <pavone@retrodev.com> parents: 1780 diff changeset	1441 handle_joy_added(joystick_counter++);
2b4d5cfec6d9 Grab keyboard devices at startup so keyboard input stops going to terminal while running Michael Pavone <pavone@retrodev.com> parents: 1780 diff changeset	1442 } else if (dtype == DEV_KEYBOARD && isatty(STDIN_FILENO)) {
2b4d5cfec6d9 Grab keyboard devices at startup so keyboard input stops going to terminal while running Michael Pavone <pavone@retrodev.com> parents: 1780 diff changeset	1443 ioctl(fd, EVIOCGRAB, 1);
2b4d5cfec6d9 Grab keyboard devices at startup so keyboard input stops going to terminal while running Michael Pavone <pavone@retrodev.com> parents: 1780 diff changeset	1444 }
2b4d5cfec6d9 Grab keyboard devices at startup so keyboard input stops going to terminal while running Michael Pavone <pavone@retrodev.com> parents: 1780 diff changeset	1445
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1446 //set FD to non-blocking mode for event polling
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1447 fcntl(fd, F_SETFL, O_NONBLOCK);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1448 cur_devices++;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1449 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1450 free(filename);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1451 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1452 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1453
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1454 atexit(render_quit);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1455 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1456 #include<unistd.h>
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1457 static int in_toggle;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1458 static void update_source(audio_source *src, double rc, uint8_t sync_changed)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1459 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1460 double alpha = src->dt / (src->dt + rc);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1461 int32_t lowpass_alpha = (int32_t)(((double)0x10000) * alpha);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1462 src->lowpass_alpha = lowpass_alpha;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1463 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1464
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1465 void render_config_updated(void)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1466 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1467
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1468 free_surfaces();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1469 #ifndef DISABLE_OPENGL
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1470 if (render_gl) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1471 /*if (on_context_destroyed) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1472 on_context_destroyed();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1473 }*/
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1474 gl_teardown();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1475 //FIXME: EGL equivalent
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1476 //SDL_GL_DeleteContext(main_context);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1477 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1478 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1479 #ifndef DISABLE_OPENGL
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1480 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1481 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1482 //FIXME: EGL equivalent
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1483 //SDL_DestroyWindow(main_window);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1484 drain_events();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1485
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1486 char *config_width = tern_find_path(config, "video\0width\0", TVAL_PTR).ptrval;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1487 if (config_width) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1488 windowed_width = atoi(config_width);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1489 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1490 char *config_height = tern_find_path(config, "video\0height\0", TVAL_PTR).ptrval;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1491 if (config_height) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1492 windowed_height = atoi(config_height);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1493 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1494 float aspect = config_aspect() > 0.0f ? config_aspect() : 4.0f/3.0f;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1495 windowed_height = ((float)windowed_width / aspect) + 0.5f;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1496 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1497
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1498 window_setup();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1499 update_aspect();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1500 #ifndef DISABLE_OPENGL
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1501 //need to check render_gl again after window_setup as render option could have changed
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1502 /*if (render_gl && on_context_created) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1503 on_context_created();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1504 }*/
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1505 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1506
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1507 render_close_audio();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1508 quitting = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1509 init_audio();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1510 render_set_video_standard(video_standard);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1511
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1512 double lowpass_cutoff = get_lowpass_cutoff(config);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1513 double rc = (1.0 / lowpass_cutoff) / (2.0 * M_PI);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1514 for (uint8_t i = 0; i < num_audio_sources; i++)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1515 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1516 update_source(audio_sources[i], rc, 0);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1517 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1518 for (uint8_t i = 0; i < num_inactive_audio_sources; i++)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1519 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1520 update_source(inactive_audio_sources[i], rc, 0);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1521 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1522 drain_events();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1523 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1524
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1525 void render_set_video_standard(vid_std std)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1526 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1527 video_standard = std;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1528 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1529
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1530 void render_update_caption(char *title)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1531 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1532 caption = title;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1533 free(fps_caption);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1534 fps_caption = NULL;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1535 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1536
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1537 static char *screenshot_path;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1538 void render_save_screenshot(char *path)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1539 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1540 if (screenshot_path) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1541 free(screenshot_path);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1542 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1543 screenshot_path = path;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1544 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1545
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1546 uint8_t render_create_window(char *caption, uint32_t width, uint32_t height, window_close_handler close_handler)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1547 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1548 //not supported under fbdev
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1549 return 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1550 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1551
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1552 void render_destroy_window(uint8_t which)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1553 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1554 //not supported under fbdev
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1555 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1556
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1557 static uint8_t last_fb;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1558 static uint32_t texture_off;
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1559 uint32_t render_get_framebuffer(uint8_t which, int pitch)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1560 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1561 if (max_multiple == 1 && !render_gl) {
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1562 if (last_fb != which) {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1563 pitch = fb_stride 2;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1564 return framebuffer + (which == FRAMEBUFFER_EVEN ? fb_stride / sizeof(uint32_t) : 0);
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1565 }
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1566 *pitch = fb_stride;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1567 return framebuffer;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1568 }
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1569 if (!render_gl && last_fb != which) {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1570 pitch = LINEBUF_SIZE sizeof(uint32_t) * 2;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1571 return texture_buf + texture_off + (which == FRAMEBUFFER_EVEN ? LINEBUF_SIZE : 0);
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1572 }
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1573 pitch = LINEBUF_SIZE sizeof(uint32_t);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1574 return texture_buf + texture_off;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1575 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1576
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1577 uint8_t events_processed;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1578 #ifdef __ANDROID__
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1579 #define FPS_INTERVAL 10000
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1580 #else
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1581 #define FPS_INTERVAL 1000
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1582 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1583
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1584 static uint8_t interlaced;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1585 void render_update_display();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1586 void render_framebuffer_updated(uint8_t which, int width)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1587 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1588 uint32_t height = which <= FRAMEBUFFER_EVEN
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1589 ? (video_standard == VID_NTSC ? 243 : 294) - (overscan_top[video_standard] + overscan_bot[video_standard])
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1590 : 240;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1591 width -= overscan_left[video_standard] + overscan_right[video_standard];
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1592 #ifndef DISABLE_OPENGL
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1593 if (render_gl && which <= FRAMEBUFFER_EVEN) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1594 last_width = width;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1595 glBindTexture(GL_TEXTURE_2D, textures[which]);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1596 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, LINEBUF_SIZE, height, SRC_FORMAT, GL_UNSIGNED_BYTE, texture_buf + overscan_left[video_standard] + LINEBUF_SIZE * overscan_top[video_standard]);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1597 render_update_display();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1598 last_height = height;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1599 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1600 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1601 if (max_multiple != 1) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1602 if (copy_use_thread) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1603 pthread_mutex_lock(&buffer_lock);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1604 buffer_ready = 1;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1605 last_width = width;
1782 b2bffd98063d Scale H32 horizontally in fbdev backend so it has the correct aspect ratio Michael Pavone <pavone@retrodev.com> parents: 1781 diff changeset	1606 last_width_scale = LINEBUF_SIZE - (overscan_left[video_standard] + overscan_right[video_standard]);
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1607 last_height = last_height_scale = height;
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1608 copy_buffer = texture_buf + texture_off + overscan_left[video_standard] + LINEBUF_SIZE * overscan_top[video_standard];
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1609 if (which != last_fb) {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1610 last_height *= 2;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1611 copy_buffer += LINEBUF_SIZE * overscan_top[video_standard];
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1612 uint32_t src = texture_buf + (texture_off ? 0 : LINEBUF_SIZE MAX_FB_LINES) + overscan_left[video_standard] + LINEBUF_SIZE * overscan_top[video_standard] + LINEBUF_SIZE * overscan_top[video_standard];
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1613 uint32_t *dst = copy_buffer;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1614 if (which == FRAMEBUFFER_ODD) {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1615 src += LINEBUF_SIZE;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1616 dst += LINEBUF_SIZE;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1617 }
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1618 for (int i = 0; i < height; i++)
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1619 {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1620 memcpy(dst, src, width * sizeof(uint32_t));
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1621 src += LINEBUF_SIZE * 2;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1622 dst += LINEBUF_SIZE * 2;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1623 }
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1624 }
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1625 texture_off = texture_off ? 0 : LINEBUF_SIZE * MAX_FB_LINES;
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1626 pthread_cond_signal(&buffer_cond);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1627 pthread_mutex_unlock(&buffer_lock);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1628 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1629 last_width = width;
1782 b2bffd98063d Scale H32 horizontally in fbdev backend so it has the correct aspect ratio Michael Pavone <pavone@retrodev.com> parents: 1781 diff changeset	1630 last_width_scale = LINEBUF_SIZE - (overscan_left[video_standard] + overscan_right[video_standard]);
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1631 last_height = last_height_scale = height;
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1632 copy_buffer = texture_buf + texture_off + overscan_left[video_standard] + LINEBUF_SIZE * overscan_top[video_standard];
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1633 if (which != last_fb) {
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1634 last_height *= 2;
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1635 copy_buffer += LINEBUF_SIZE * overscan_top[video_standard];
8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1636 }
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1637 do_buffer_copy();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1638 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1639 }
1785 8f2e78db0872 Handle interlaced mode in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1782 diff changeset	1640 last_fb = which;
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1641 if (!events_processed) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1642 process_events();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1643 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1644 events_processed = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1645 #ifndef DISABLE_OPENGL
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1646 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1647 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1648 }
1786 2b661c1e431f Remove some commented out code in fbdev backend Michael Pavone <pavone@retrodev.com> parents: 1785 diff changeset	1649
1779 3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1650 void render_update_display()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1651 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1652 #ifndef DISABLE_OPENGL
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1653 if (render_gl) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1654 glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1655 glClear(GL_COLOR_BUFFER_BIT);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1656
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1657 glUseProgram(program);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1658 glActiveTexture(GL_TEXTURE0);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1659 glBindTexture(GL_TEXTURE_2D, textures[0]);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1660 glUniform1i(un_textures[0], 0);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1661
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1662 glActiveTexture(GL_TEXTURE1);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1663 glBindTexture(GL_TEXTURE_2D, textures[interlaced ? 1 : scanlines ? 2 : 0]);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1664 glUniform1i(un_textures[1], 1);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1665
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1666 glUniform1f(un_width, render_emulated_width());
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1667 glUniform1f(un_height, last_height);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1668
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1669 glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1670 glVertexAttribPointer(at_pos, 2, GL_FLOAT, GL_FALSE, sizeof(GLfloat[2]), (void *)0);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1671 glEnableVertexAttribArray(at_pos);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1672
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1673 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[1]);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1674 glDrawElements(GL_TRIANGLE_STRIP, 4, GL_UNSIGNED_SHORT, (void *)0);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1675
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1676 glDisableVertexAttribArray(at_pos);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1677
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1678 /*if (render_ui) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1679 render_ui();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1680 }*/
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1681
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1682 eglSwapBuffers(egl_display, main_surface);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1683 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1684 #endif
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1685 if (!events_processed) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1686 process_events();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1687 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1688 events_processed = 0;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1689 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1690
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1691 uint32_t render_emulated_width()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1692 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1693 return last_width - overscan_left[video_standard] - overscan_right[video_standard];
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1694 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1695
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1696 uint32_t render_emulated_height()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1697 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1698 return (video_standard == VID_NTSC ? 243 : 294) - overscan_top[video_standard] - overscan_bot[video_standard];
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1699 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1700
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1701 uint32_t render_overscan_left()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1702 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1703 return overscan_left[video_standard];
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1704 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1705
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1706 uint32_t render_overscan_top()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1707 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1708 return overscan_top[video_standard];
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1709 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1710
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1711 void render_wait_quit(vdp_context * context)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1712 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1713 for(;;)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1714 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1715 drain_events();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1716 sleep(1);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1717 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1718 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1719
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1720 int render_lookup_button(char *name)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1721 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1722 static tern_node *button_lookup;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1723 if (!button_lookup) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1724 //xbox/sdl style names
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1725 button_lookup = tern_insert_int(button_lookup, "a", BTN_SOUTH);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1726 button_lookup = tern_insert_int(button_lookup, "b", BTN_EAST);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1727 button_lookup = tern_insert_int(button_lookup, "x", BTN_WEST);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1728 button_lookup = tern_insert_int(button_lookup, "y", BTN_NORTH);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1729 button_lookup = tern_insert_int(button_lookup, "back", BTN_SELECT);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1730 button_lookup = tern_insert_int(button_lookup, "start", BTN_START);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1731 button_lookup = tern_insert_int(button_lookup, "guid", BTN_MODE);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1732 button_lookup = tern_insert_int(button_lookup, "leftshoulder", BTN_TL);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1733 button_lookup = tern_insert_int(button_lookup, "rightshoulder", BTN_TR);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1734 button_lookup = tern_insert_int(button_lookup, "leftstick", BTN_THUMBL);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1735 button_lookup = tern_insert_int(button_lookup, "rightstick", BTN_THUMBR);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1736 //alternative Playstation-style names
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1737 button_lookup = tern_insert_int(button_lookup, "cross", BTN_SOUTH);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1738 button_lookup = tern_insert_int(button_lookup, "circle", BTN_EAST);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1739 button_lookup = tern_insert_int(button_lookup, "square", BTN_WEST);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1740 button_lookup = tern_insert_int(button_lookup, "triangle", BTN_NORTH);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1741 button_lookup = tern_insert_int(button_lookup, "share", BTN_SELECT);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1742 button_lookup = tern_insert_int(button_lookup, "select", BTN_SELECT);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1743 button_lookup = tern_insert_int(button_lookup, "options", BTN_START);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1744 button_lookup = tern_insert_int(button_lookup, "l1", BTN_TL);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1745 button_lookup = tern_insert_int(button_lookup, "r1", BTN_TR);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1746 button_lookup = tern_insert_int(button_lookup, "l3", BTN_THUMBL);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1747 button_lookup = tern_insert_int(button_lookup, "r3", BTN_THUMBR);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1748 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1749 return (int)tern_find_int(button_lookup, name, KEY_CNT);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1750 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1751
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1752 int render_lookup_axis(char *name)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1753 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1754 static tern_node *axis_lookup;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1755 if (!axis_lookup) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1756 //xbox/sdl style names
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1757 axis_lookup = tern_insert_int(axis_lookup, "leftx", ABS_X);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1758 axis_lookup = tern_insert_int(axis_lookup, "lefty", ABS_Y);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1759 axis_lookup = tern_insert_int(axis_lookup, "lefttrigger", ABS_Z);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1760 axis_lookup = tern_insert_int(axis_lookup, "rightx", ABS_RX);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1761 axis_lookup = tern_insert_int(axis_lookup, "righty", ABS_RY);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1762 axis_lookup = tern_insert_int(axis_lookup, "righttrigger", ABS_RZ);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1763 //alternative Playstation-style names
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1764 axis_lookup = tern_insert_int(axis_lookup, "l2", ABS_Z);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1765 axis_lookup = tern_insert_int(axis_lookup, "r2", ABS_RZ);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1766 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1767 return (int)tern_find_int(axis_lookup, name, ABS_CNT);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1768 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1769
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1770 int32_t render_translate_input_name(int32_t controller, char *name, uint8_t is_axis)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1771 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1772 tern_node button_lookup, axis_lookup;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1773 if (is_axis) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1774 int axis = render_lookup_axis(name);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1775 if (axis == ABS_CNT) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1776 return RENDER_INVALID_NAME;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1777 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1778 return RENDER_AXIS_BIT \| axis;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1779 } else {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1780 int button = render_lookup_button(name);
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1781 if (button != KEY_CNT) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1782 return button;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1783 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1784 if (!strcmp("dpup", name)) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1785 return RENDER_DPAD_BIT \| 1;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1786 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1787 if (!strcmp("dpdown", name)) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1788 return RENDER_DPAD_BIT \| 4;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1789 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1790 if (!strcmp("dpdleft", name)) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1791 return RENDER_DPAD_BIT \| 8;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1792 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1793 if (!strcmp("dpright", name)) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1794 return RENDER_DPAD_BIT \| 2;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1795 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1796 return RENDER_INVALID_NAME;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1797 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1798 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1799
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1800 int32_t render_dpad_part(int32_t input)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1801 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1802 return input >> 4 & 0xFFFFFF;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1803 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1804
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1805 uint8_t render_direction_part(int32_t input)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1806 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1807 return input & 0xF;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1808 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1809
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1810 int32_t render_axis_part(int32_t input)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1811 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1812 return input & 0xFFFFFFF;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1813 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1814
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1815 void process_events()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1816 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1817 if (events_processed > MAX_EVENT_POLL_PER_FRAME) {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1818 return;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1819 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1820 drain_events();
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1821 events_processed++;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1822 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1823
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1824 #define TOGGLE_MIN_DELAY 250
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1825 void render_toggle_fullscreen()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1826 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1827 //always fullscreen in fbdev
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1828 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1829
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1830 uint32_t render_audio_buffer()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1831 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1832 return buffer_samples;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1833 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1834
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1835 uint32_t render_sample_rate()
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1836 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1837 return sample_rate;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1838 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1839
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1840 void render_errorbox(char title, char message)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1841 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1842
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1843 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1844
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1845 void render_warnbox(char title, char message)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1846 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1847
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1848 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1849
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1850 void render_infobox(char title, char message)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1851 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1852
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1853 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1854
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1855 uint8_t render_has_gl(void)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1856 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1857 return render_gl;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1858 }
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1859
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1860 uint8_t render_get_active_framebuffer(void)
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1861 {
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1862 return FRAMEBUFFER_ODD;
3a8c4ee68568 Added raw fbdev/evdev/ALSA render backend Michael Pavone <pavone@retrodev.com> parents: diff changeset	1863 }

Mercurial > repos > blastem

annotate render_fbdev.c @ 1863:d60f2d7c02a5