repos/blastem: render_fbdev.c annotate

annotate render_fbdev.c @ 1918:6fdac0108e47

Fix bug in in (c) instruction in Z80 dynarec

author	Michael Pavone <pavone@retrodev.com>
date	Fri, 03 Apr 2020 23:47:57 -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 @ 1918:6fdac0108e47