repos/blastem: render_sdl.c annotate

annotate render_sdl.c @ 655:38006d43f5a3

Avoid calling atexit(SDL_Quit) until after OpenGL initialization to avoid a segfault on exit when using fglrx

author	Michael Pavone <pavone@retrodev.com>
date	Thu, 01 Jan 2015 17:36:23 -0800
parents	b76d2a628ab9
children	019d27995e32

rev	line source
467 140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING Mike Pavone <pavone@retrodev.com> parents: 445 diff changeset	1 /*
140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING Mike Pavone <pavone@retrodev.com> parents: 445 diff changeset	2 Copyright 2013 Michael Pavone
487 c08a4efeee7f Update opengl branch from default. Fix build breakage unrelated to merge Mike Pavone <pavone@retrodev.com> parents: 449 486 diff changeset	3 This file is part of BlastEm.
467 140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING Mike Pavone <pavone@retrodev.com> parents: 445 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.
140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING Mike Pavone <pavone@retrodev.com> parents: 445 diff changeset	5 */
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	6 #include <stdlib.h>
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	7 #include <stdio.h>
500 251fe7a75a14 Preserve aspect ratio unless config file says otherwise Mike Pavone <pavone@retrodev.com> parents: 498 diff changeset	8 #include <math.h>
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	9 #include "render.h"
66 7a22a0e6c004 Gamepad support Mike Pavone <pavone@retrodev.com> parents: 64 diff changeset	10 #include "blastem.h"
421 d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring Mike Pavone <pavone@retrodev.com> parents: 418 diff changeset	11 #include "io.h"
497 0820a71b80f3 Move shader files to their own directory. Read shaders from /.config/blastem/shaders or from path_to_exe/shaders instead of the current working directory. Mike Pavone <pavone@retrodev.com> parents: 495 diff changeset	12 #include "util.h"
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	13
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	14 #ifndef DISABLE_OPENGL
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	15 #include <GL/glew.h>
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	16 #endif
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	17
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	18 SDL_Surface *screen;
43 3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 33 diff changeset	19 uint8_t render_dbg = 0;
135 a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	20 uint8_t debug_pal = 0;
505 b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 502 diff changeset	21 uint8_t render_gl = 1;
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	22
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	23 uint32_t last_frame = 0;
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	24
229 d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	25 uint32_t min_delay;
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	26 uint32_t frame_delay = 1000/60;
229 d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	27
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	28 int16_t * current_psg = NULL;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	29 int16_t * current_ym = NULL;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	30
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	31 uint32_t buffer_samples, sample_rate;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	32 uint32_t missing_count;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	33
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	34 SDL_mutex * audio_mutex;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	35 SDL_cond * audio_ready;
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	36 SDL_cond * psg_cond;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	37 SDL_cond * ym_cond;
361 946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	38 uint8_t quitting = 0;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	39
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	40 void audio_callback(void * userdata, uint8_t *byte_stream, int len)
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	41 {
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	42 //puts("audio_callback");
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	43 int16_t * stream = (int16_t *)byte_stream;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	44 int samples = len/(sizeof(int16_t)*2);
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	45 int16_t * psg_buf, * ym_buf;
361 946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	46 uint8_t local_quit;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	47 SDL_LockMutex(audio_mutex);
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	48 psg_buf = NULL;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	49 ym_buf = NULL;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	50 do {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	51 if (!psg_buf) {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	52 psg_buf = current_psg;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	53 current_psg = NULL;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	54 SDL_CondSignal(psg_cond);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	55 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	56 if (!ym_buf) {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	57 ym_buf = current_ym;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	58 current_ym = NULL;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	59 SDL_CondSignal(ym_cond);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	60 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	61 if (!quitting && (!psg_buf \|\| !ym_buf)) {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	62 SDL_CondWait(audio_ready, audio_mutex);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	63 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	64 } while(!quitting && (!psg_buf \|\| !ym_buf));
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	65
361 946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	66 local_quit = quitting;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	67 SDL_UnlockMutex(audio_mutex);
361 946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	68 if (!local_quit) {
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	69 for (int i = 0; i < samples; i++) {
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	70 (stream++) = psg_buf[i] + (ym_buf++);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	71 (stream++) = psg_buf[i] + (ym_buf++);
361 946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	72 }
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	73 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	74 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	75
361 946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	76 void render_close_audio()
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	77 {
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	78 SDL_LockMutex(audio_mutex);
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	79 quitting = 1;
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	80 SDL_CondSignal(audio_ready);
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	81 SDL_UnlockMutex(audio_mutex);
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	82 SDL_CloseAudio();
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	83 }
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	84
418 dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	85 SDL_Joystick * joysticks[MAX_JOYSTICKS];
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	86 int num_joysticks;
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	87
432 18cde14e8c10 Read joystick bindings from config file Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	88 int render_num_joysticks()
18cde14e8c10 Read joystick bindings from config file Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	89 {
18cde14e8c10 Read joystick bindings from config file Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	90 return num_joysticks;
18cde14e8c10 Read joystick bindings from config file Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	91 }
18cde14e8c10 Read joystick bindings from config file Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	92
426 add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	93 uint32_t render_map_color(uint8_t r, uint8_t g, uint8_t b)
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	94 {
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	95 if (render_gl) {
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	96 return 255 << 24 \| r << 16 \| g << 8 \| b;
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	97 } else {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	98 return SDL_MapRGB(screen->format, r, g, b);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	99 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	100 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	101
495 39cad98d2789 Allow OpenGL support to be disabled at compile time. Move generic utility functions out of config.c Mike Pavone <pavone@retrodev.com> parents: 490 diff changeset	102 #ifndef DISABLE_OPENGL
505 b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 502 diff changeset	103 GLuint textures[3], buffers[2], vshader, fshader, program, un_textures[2], un_width, at_pos;
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	104
500 251fe7a75a14 Preserve aspect ratio unless config file says otherwise Mike Pavone <pavone@retrodev.com> parents: 498 diff changeset	105 GLfloat vertex_data[] = {
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	106 -1.0f, -1.0f,
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	107 1.0f, -1.0f,
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	108 -1.0f, 1.0f,
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	109 1.0f, 1.0f
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	110 };
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	111
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	112 const GLushort element_data[] = {0, 1, 2, 3};
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	113
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	114 GLuint load_shader(char * fname, GLenum shader_type)
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	115 {
497 0820a71b80f3 Move shader files to their own directory. Read shaders from /.config/blastem/shaders or from path_to_exe/shaders instead of the current working directory. Mike Pavone <pavone@retrodev.com> parents: 495 diff changeset	116 char * parts[] = {getenv("HOME"), "/.config/blastem/shaders/", fname};
0820a71b80f3 Move shader files to their own directory. Read shaders from /.config/blastem/shaders or from path_to_exe/shaders instead of the current working directory. Mike Pavone <pavone@retrodev.com> parents: 495 diff changeset	117 char * shader_path = alloc_concat_m(3, parts);
0820a71b80f3 Move shader files to their own directory. Read shaders from /.config/blastem/shaders or from path_to_exe/shaders instead of the current working directory. Mike Pavone <pavone@retrodev.com> parents: 495 diff changeset	118 FILE * f = fopen(shader_path, "r");
0820a71b80f3 Move shader files to their own directory. Read shaders from /.config/blastem/shaders or from path_to_exe/shaders instead of the current working directory. Mike Pavone <pavone@retrodev.com> parents: 495 diff changeset	119 free(shader_path);
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	120 if (!f) {
497 0820a71b80f3 Move shader files to their own directory. Read shaders from /.config/blastem/shaders or from path_to_exe/shaders instead of the current working directory. Mike Pavone <pavone@retrodev.com> parents: 495 diff changeset	121 parts[0] = get_exe_dir();
0820a71b80f3 Move shader files to their own directory. Read shaders from /.config/blastem/shaders or from path_to_exe/shaders instead of the current working directory. Mike Pavone <pavone@retrodev.com> parents: 495 diff changeset	122 parts[1] = "/shaders/";
0820a71b80f3 Move shader files to their own directory. Read shaders from /.config/blastem/shaders or from path_to_exe/shaders instead of the current working directory. Mike Pavone <pavone@retrodev.com> parents: 495 diff changeset	123 shader_path = alloc_concat_m(3, parts);
0820a71b80f3 Move shader files to their own directory. Read shaders from /.config/blastem/shaders or from path_to_exe/shaders instead of the current working directory. Mike Pavone <pavone@retrodev.com> parents: 495 diff changeset	124 f = fopen(shader_path, "r");
0820a71b80f3 Move shader files to their own directory. Read shaders from /.config/blastem/shaders or from path_to_exe/shaders instead of the current working directory. Mike Pavone <pavone@retrodev.com> parents: 495 diff changeset	125 free(shader_path);
0820a71b80f3 Move shader files to their own directory. Read shaders from /.config/blastem/shaders or from path_to_exe/shaders instead of the current working directory. Mike Pavone <pavone@retrodev.com> parents: 495 diff changeset	126 if (!f) {
0820a71b80f3 Move shader files to their own directory. Read shaders from /.config/blastem/shaders or from path_to_exe/shaders instead of the current working directory. Mike Pavone <pavone@retrodev.com> parents: 495 diff changeset	127 fprintf(stderr, "Failed to open shader file %s for reading\n", fname);
0820a71b80f3 Move shader files to their own directory. Read shaders from /.config/blastem/shaders or from path_to_exe/shaders instead of the current working directory. Mike Pavone <pavone@retrodev.com> parents: 495 diff changeset	128 return 0;
0820a71b80f3 Move shader files to their own directory. Read shaders from /.config/blastem/shaders or from path_to_exe/shaders instead of the current working directory. Mike Pavone <pavone@retrodev.com> parents: 495 diff changeset	129 }
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	130 }
497 0820a71b80f3 Move shader files to their own directory. Read shaders from /.config/blastem/shaders or from path_to_exe/shaders instead of the current working directory. Mike Pavone <pavone@retrodev.com> parents: 495 diff changeset	131 long fsize = file_size(f);
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	132 GLchar * text = malloc(fsize);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	133 if (fread(text, 1, fsize, f) != fsize) {
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	134 fprintf(stderr, "Error reading from shader file %s\n", fname);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	135 free(text);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	136 return 0;
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	137 }
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	138 GLuint ret = glCreateShader(shader_type);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	139 glShaderSource(ret, 1, (const GLchar *)&text, (const GLint )&fsize);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	140 free(text);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	141 glCompileShader(ret);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	142 GLint compile_status, loglen;
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	143 glGetShaderiv(ret, GL_COMPILE_STATUS, &compile_status);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	144 if (!compile_status) {
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	145 fprintf(stderr, "Shader %s failed to compile\n", fname);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	146 glGetShaderiv(ret, GL_INFO_LOG_LENGTH, &loglen);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	147 text = malloc(loglen);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	148 glGetShaderInfoLog(ret, loglen, NULL, text);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	149 fputs(text, stderr);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	150 free(text);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	151 glDeleteShader(ret);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	152 return 0;
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	153 }
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	154 return ret;
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	155 }
495 39cad98d2789 Allow OpenGL support to be disabled at compile time. Move generic utility functions out of config.c Mike Pavone <pavone@retrodev.com> parents: 490 diff changeset	156 #endif
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	157
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	158 void render_alloc_surfaces(vdp_context * context)
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	159 {
495 39cad98d2789 Allow OpenGL support to be disabled at compile time. Move generic utility functions out of config.c Mike Pavone <pavone@retrodev.com> parents: 490 diff changeset	160 #ifndef DISABLE_OPENGL
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	161 if (render_gl) {
502 7fdfcced65b6 Fix allocation and memset size for field buffers when using OpenGL Mike Pavone <pavone@retrodev.com> parents: 500 diff changeset	162 context->oddbuf = context->framebuf = malloc(512 * 256 * 4 * 2);
7fdfcced65b6 Fix allocation and memset size for field buffers when using OpenGL Mike Pavone <pavone@retrodev.com> parents: 500 diff changeset	163 memset(context->oddbuf, 0, 512 * 256 * 4 * 2);
7fdfcced65b6 Fix allocation and memset size for field buffers when using OpenGL Mike Pavone <pavone@retrodev.com> parents: 500 diff changeset	164 context->evenbuf = ((char )context->oddbuf) + 512 256 * 4;
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	165 glGenTextures(3, textures);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	166 for (int i = 0; i < 3; i++)
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	167 {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	168 glBindTexture(GL_TEXTURE_2D, textures[i]);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	169 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	170 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	171 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	172 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	173 if (i < 2) {
487 c08a4efeee7f Update opengl branch from default. Fix build breakage unrelated to merge Mike Pavone <pavone@retrodev.com> parents: 449 486 diff changeset	174 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 512, 256, 0, GL_BGRA, GL_UNSIGNED_BYTE, i ? context->evenbuf : context->oddbuf);
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	175 } else {
489 e97b80e3bd76 Support interlace mode with OpenGL backend Mike Pavone <pavone@retrodev.com> parents: 488 diff changeset	176 uint32_t blank = 255 << 24;
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	177 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 1, 1, 0, GL_BGRA, GL_UNSIGNED_BYTE, &blank);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	178 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	179 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	180 glGenBuffers(2, buffers);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	181 glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	182 glBufferData(GL_ARRAY_BUFFER, sizeof(vertex_data), vertex_data, GL_STATIC_DRAW);
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	183 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[1]);
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	184 glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(element_data), element_data, GL_STATIC_DRAW);
498 51bf87f76d15 Pull shader file names from config file. Mike Pavone <pavone@retrodev.com> parents: 497 diff changeset	185 vshader = load_shader(tern_find_ptr_default(config, "videovertex_shader", "default.v.glsl"), GL_VERTEX_SHADER);
51bf87f76d15 Pull shader file names from config file. Mike Pavone <pavone@retrodev.com> parents: 497 diff changeset	186 fshader = load_shader(tern_find_ptr_default(config, "videofragment_shader", "default.f.glsl"), GL_FRAGMENT_SHADER);
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	187 program = glCreateProgram();
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	188 glAttachShader(program, vshader);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	189 glAttachShader(program, fshader);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	190 glLinkProgram(program);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	191 GLint link_status;
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	192 glGetProgramiv(program, GL_LINK_STATUS, &link_status);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	193 if (!link_status) {
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	194 fputs("Failed to link shader program\n", stderr);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	195 exit(1);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	196 }
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	197 un_textures[0] = glGetUniformLocation(program, "textures[0]");
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	198 un_textures[1] = glGetUniformLocation(program, "textures[1]");
505 b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 502 diff changeset	199 un_width = glGetUniformLocation(program, "width");
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	200 at_pos = glGetAttribLocation(program, "pos");
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	201 } else {
495 39cad98d2789 Allow OpenGL support to be disabled at compile time. Move generic utility functions out of config.c Mike Pavone <pavone@retrodev.com> parents: 490 diff changeset	202 #endif
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	203 context->oddbuf = context->framebuf = malloc(320 * 240 * screen->format->BytesPerPixel * 2);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	204 context->evenbuf = ((char )context->oddbuf) + 320 240 * screen->format->BytesPerPixel;
495 39cad98d2789 Allow OpenGL support to be disabled at compile time. Move generic utility functions out of config.c Mike Pavone <pavone@retrodev.com> parents: 490 diff changeset	205 #ifndef DISABLE_OPENGL
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	206 }
495 39cad98d2789 Allow OpenGL support to be disabled at compile time. Move generic utility functions out of config.c Mike Pavone <pavone@retrodev.com> parents: 490 diff changeset	207 #endif
426 add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	208 }
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	209
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	210 uint8_t render_depth()
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	211 {
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	212 return screen->format->BytesPerPixel * 8;
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	213 }
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	214
486 db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	215 char * caption = NULL;
db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	216
487 c08a4efeee7f Update opengl branch from default. Fix build breakage unrelated to merge Mike Pavone <pavone@retrodev.com> parents: 449 486 diff changeset	217 void render_init(int width, int height, char * title, uint32_t fps, uint8_t fullscreen, uint8_t use_gl)
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	218 {
418 dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	219 if (SDL_Init(SDL_INIT_VIDEO \| SDL_INIT_AUDIO \| SDL_INIT_JOYSTICK) < 0) {
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	220 fprintf(stderr, "Unable to init SDL: %s\n", SDL_GetError());
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	221 exit(1);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	222 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	223 printf("width: %d, height: %d\n", width, height);
487 c08a4efeee7f Update opengl branch from default. Fix build breakage unrelated to merge Mike Pavone <pavone@retrodev.com> parents: 449 486 diff changeset	224 uint32_t flags = SDL_ANYFORMAT;
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	225
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	226 #ifndef DISABLE_OPENGL
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	227 if (use_gl)
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	228 {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	229 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	230 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	231 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	232 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 0);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	233 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	234 flags = SDL_OPENGL;
490 c8e65962bfed Enable fullscreen mode in OpenGL renderer Mike Pavone <pavone@retrodev.com> parents: 489 diff changeset	235 if (fullscreen) {
c8e65962bfed Enable fullscreen mode in OpenGL renderer Mike Pavone <pavone@retrodev.com> parents: 489 diff changeset	236 flags \|= SDL_FULLSCREEN;
c8e65962bfed Enable fullscreen mode in OpenGL renderer Mike Pavone <pavone@retrodev.com> parents: 489 diff changeset	237 }
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	238 } else {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	239 #else
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	240 {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	241 #endif
487 c08a4efeee7f Update opengl branch from default. Fix build breakage unrelated to merge Mike Pavone <pavone@retrodev.com> parents: 449 486 diff changeset	242 if (fullscreen) {
c08a4efeee7f Update opengl branch from default. Fix build breakage unrelated to merge Mike Pavone <pavone@retrodev.com> parents: 449 486 diff changeset	243 flags \|= SDL_FULLSCREEN \| SDL_HWSURFACE \| SDL_DOUBLEBUF;
c08a4efeee7f Update opengl branch from default. Fix build breakage unrelated to merge Mike Pavone <pavone@retrodev.com> parents: 449 486 diff changeset	244 } else {
c08a4efeee7f Update opengl branch from default. Fix build breakage unrelated to merge Mike Pavone <pavone@retrodev.com> parents: 449 486 diff changeset	245 flags \|= SDL_SWSURFACE;
c08a4efeee7f Update opengl branch from default. Fix build breakage unrelated to merge Mike Pavone <pavone@retrodev.com> parents: 449 486 diff changeset	246 }
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	247 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	248 screen = SDL_SetVideoMode(width, height, 32, flags);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	249 if (!screen) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	250 fprintf(stderr, "Unable to get SDL surface: %s\n", SDL_GetError());
655 38006d43f5a3 Avoid calling atexit(SDL_Quit) until after OpenGL initialization to avoid a segfault on exit when using fglrx Michael Pavone <pavone@retrodev.com> parents: 622 diff changeset	251 SDL_Quit();
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	252 exit(1);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	253 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	254 if (!use_gl && screen->format->BytesPerPixel != 2 && screen->format->BytesPerPixel != 4) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	255 fprintf(stderr, "BlastEm requires a 16-bit or 32-bit surface, SDL returned a %d-bit surface\n", screen->format->BytesPerPixel * 8);
655 38006d43f5a3 Avoid calling atexit(SDL_Quit) until after OpenGL initialization to avoid a segfault on exit when using fglrx Michael Pavone <pavone@retrodev.com> parents: 622 diff changeset	256 SDL_Quit();
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	257 exit(1);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	258 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	259 #ifndef DISABLE_OPENGL
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	260 //TODO: fallback on standard rendering if OpenGL 2.0 is unavailable or if init fails
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	261 if (use_gl)
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	262 {
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	263 GLenum res = glewInit();
500 251fe7a75a14 Preserve aspect ratio unless config file says otherwise Mike Pavone <pavone@retrodev.com> parents: 498 diff changeset	264 if (res != GLEW_OK) {
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	265 fprintf(stderr, "Initialization of GLEW failed with code %d\n", res);
655 38006d43f5a3 Avoid calling atexit(SDL_Quit) until after OpenGL initialization to avoid a segfault on exit when using fglrx Michael Pavone <pavone@retrodev.com> parents: 622 diff changeset	266 SDL_Quit();
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	267 exit(1);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	268 }
500 251fe7a75a14 Preserve aspect ratio unless config file says otherwise Mike Pavone <pavone@retrodev.com> parents: 498 diff changeset	269 if (!GLEW_VERSION_2_0) {
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	270 fputs("OpenGL 2.0 is unable, falling back to standard SDL rendering\n", stderr);
655 38006d43f5a3 Avoid calling atexit(SDL_Quit) until after OpenGL initialization to avoid a segfault on exit when using fglrx Michael Pavone <pavone@retrodev.com> parents: 622 diff changeset	271 SDL_Quit();
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	272 exit(1);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	273 }
500 251fe7a75a14 Preserve aspect ratio unless config file says otherwise Mike Pavone <pavone@retrodev.com> parents: 498 diff changeset	274 float aspect = (float)width / height;
251fe7a75a14 Preserve aspect ratio unless config file says otherwise Mike Pavone <pavone@retrodev.com> parents: 498 diff changeset	275 if (fabs(aspect - 4.0/3.0) > 0.01 && strcmp(tern_find_ptr_default(config, "videoaspect", "normal"), "stretch")) {
251fe7a75a14 Preserve aspect ratio unless config file says otherwise Mike Pavone <pavone@retrodev.com> parents: 498 diff changeset	276 for (int i = 0; i < 4; i++)
251fe7a75a14 Preserve aspect ratio unless config file says otherwise Mike Pavone <pavone@retrodev.com> parents: 498 diff changeset	277 {
251fe7a75a14 Preserve aspect ratio unless config file says otherwise Mike Pavone <pavone@retrodev.com> parents: 498 diff changeset	278 if (aspect > 4.0/3.0) {
251fe7a75a14 Preserve aspect ratio unless config file says otherwise Mike Pavone <pavone@retrodev.com> parents: 498 diff changeset	279 vertex_data[i2] = (4.0/3.0)/aspect;
251fe7a75a14 Preserve aspect ratio unless config file says otherwise Mike Pavone <pavone@retrodev.com> parents: 498 diff changeset	280 } else {
251fe7a75a14 Preserve aspect ratio unless config file says otherwise Mike Pavone <pavone@retrodev.com> parents: 498 diff changeset	281 vertex_data[i2+1] = aspect/(4.0/3.0);
251fe7a75a14 Preserve aspect ratio unless config file says otherwise Mike Pavone <pavone@retrodev.com> parents: 498 diff changeset	282 }
251fe7a75a14 Preserve aspect ratio unless config file says otherwise Mike Pavone <pavone@retrodev.com> parents: 498 diff changeset	283 }
251fe7a75a14 Preserve aspect ratio unless config file says otherwise Mike Pavone <pavone@retrodev.com> parents: 498 diff changeset	284 }
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	285 }
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	286 render_gl = use_gl;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	287 #endif
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	288 SDL_WM_SetCaption(title, title);
486 db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	289 caption = title;
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	290 min_delay = 0;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	291 for (int i = 0; i < 100; i++) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	292 uint32_t start = SDL_GetTicks();
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	293 SDL_Delay(1);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	294 uint32_t delay = SDL_GetTicks()-start;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	295 if (delay > min_delay) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	296 min_delay = delay;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	297 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	298 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	299 if (!min_delay) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	300 min_delay = 1;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	301 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	302 printf("minimum delay: %d\n", min_delay);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	303
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	304 frame_delay = 1000/fps;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	305
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	306 audio_mutex = SDL_CreateMutex();
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	307 psg_cond = SDL_CreateCond();
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	308 ym_cond = SDL_CreateCond();
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	309 audio_ready = SDL_CreateCond();
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	310
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	311 SDL_AudioSpec desired, actual;
445 80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	312 char * rate_str = tern_find_ptr(config, "audiorate");
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	313 int rate = rate_str ? atoi(rate_str) : 0;
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	314 if (!rate) {
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	315 rate = 48000;
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	316 }
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	317 desired.freq = rate;
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	318 desired.format = AUDIO_S16SYS;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	319 desired.channels = 2;
445 80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	320 char * samples_str = tern_find_ptr(config, "audiobuffer");
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	321 int samples = samples_str ? atoi(samples_str) : 0;
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	322 if (!samples) {
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	323 samples = 512;
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	324 }
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	325 printf("config says: %d\n", samples);
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	326 desired.samples = samples*2;
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	327 desired.callback = audio_callback;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	328 desired.userdata = NULL;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	329
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	330 if (SDL_OpenAudio(&desired, &actual) < 0) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	331 fprintf(stderr, "Unable to open SDL audio: %s\n", SDL_GetError());
655 38006d43f5a3 Avoid calling atexit(SDL_Quit) until after OpenGL initialization to avoid a segfault on exit when using fglrx Michael Pavone <pavone@retrodev.com> parents: 622 diff changeset	332 SDL_Quit();
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	333 exit(1);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	334 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	335 buffer_samples = actual.samples;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	336 sample_rate = actual.freq;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	337 printf("Initialized audio at frequency %d with a %d sample buffer\n", actual.freq, actual.samples);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	338 SDL_PauseAudio(0);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	339 num_joysticks = SDL_NumJoysticks();
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	340 if (num_joysticks > MAX_JOYSTICKS) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	341 num_joysticks = MAX_JOYSTICKS;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	342 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	343 for (int i = 0; i < num_joysticks; i++) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	344 printf("Joystick %d: %s\n", i, SDL_JoystickName(i));
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	345 SDL_Joystick * joy = joysticks[i] = SDL_JoystickOpen(i);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	346 if (joy) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	347 printf("\tNum Axes: %d\n\tNum Buttons: %d\n\tNum Hats: %d\n", SDL_JoystickNumAxes(joy), SDL_JoystickNumButtons(joy), SDL_JoystickNumHats(joy));
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	348 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	349 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	350 SDL_JoystickEventState(SDL_ENABLE);
655 38006d43f5a3 Avoid calling atexit(SDL_Quit) until after OpenGL initialization to avoid a segfault on exit when using fglrx Michael Pavone <pavone@retrodev.com> parents: 622 diff changeset	351
38006d43f5a3 Avoid calling atexit(SDL_Quit) until after OpenGL initialization to avoid a segfault on exit when using fglrx Michael Pavone <pavone@retrodev.com> parents: 622 diff changeset	352 atexit(SDL_Quit);
38006d43f5a3 Avoid calling atexit(SDL_Quit) until after OpenGL initialization to avoid a segfault on exit when using fglrx Michael Pavone <pavone@retrodev.com> parents: 622 diff changeset	353 atexit(render_close_audio);
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	354 }
495 39cad98d2789 Allow OpenGL support to be disabled at compile time. Move generic utility functions out of config.c Mike Pavone <pavone@retrodev.com> parents: 490 diff changeset	355 #ifndef DISABLE_OPENGL
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	356 void render_context_gl(vdp_context * context)
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	357 {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	358 glBindTexture(GL_TEXTURE_2D, textures[context->framebuf == context->oddbuf ? 0 : 1]);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	359 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 320, 240, GL_BGRA, GL_UNSIGNED_BYTE, context->framebuf);;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	360
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	361 glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	362 glClear(GL_COLOR_BUFFER_BIT);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	363
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	364 glUseProgram(program);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	365 glActiveTexture(GL_TEXTURE0);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	366 glBindTexture(GL_TEXTURE_2D, textures[0]);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	367 glUniform1i(un_textures[0], 0);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	368
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	369 glActiveTexture(GL_TEXTURE1);
489 e97b80e3bd76 Support interlace mode with OpenGL backend Mike Pavone <pavone@retrodev.com> parents: 488 diff changeset	370 glBindTexture(GL_TEXTURE_2D, (context->regs[REG_MODE_4] & BIT_INTERLACE) ? textures[1] : textures[2]);
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	371 glUniform1i(un_textures[1], 1);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	372
622 b76d2a628ab9 Partially working switch to having a vcounter and hslot counter in the context rather than trying to derive them from the cycle count. This should allow for more accurate handling of mid screen mode switches. Interrupt timing is broken currently though Michael Pavone <pavone@retrodev.com> parents: 505 diff changeset	373 glUniform1f(un_width, context->regs[REG_MODE_4] & BIT_H40 ? 320.0f : 256.0f);
505 b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment. Michael Pavone <pavone@retrodev.com> parents: 502 diff changeset	374
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	375 glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	376 glVertexAttribPointer(at_pos, 2, GL_FLOAT, GL_FALSE, sizeof(GLfloat[2]), (void *)0);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	377 glEnableVertexAttribArray(at_pos);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	378
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	379 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[1]);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	380 glDrawElements(GL_TRIANGLE_STRIP, 4, GL_UNSIGNED_SHORT, (void *)0);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	381
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	382 glDisableVertexAttribArray(at_pos);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	383
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	384 SDL_GL_SwapBuffers();
489 e97b80e3bd76 Support interlace mode with OpenGL backend Mike Pavone <pavone@retrodev.com> parents: 488 diff changeset	385 if (context->regs[REG_MODE_4] & BIT_INTERLACE)
e97b80e3bd76 Support interlace mode with OpenGL backend Mike Pavone <pavone@retrodev.com> parents: 488 diff changeset	386 {
e97b80e3bd76 Support interlace mode with OpenGL backend Mike Pavone <pavone@retrodev.com> parents: 488 diff changeset	387 context->framebuf = context->framebuf == context->oddbuf ? context->evenbuf : context->oddbuf;
e97b80e3bd76 Support interlace mode with OpenGL backend Mike Pavone <pavone@retrodev.com> parents: 488 diff changeset	388 }
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	389 }
495 39cad98d2789 Allow OpenGL support to be disabled at compile time. Move generic utility functions out of config.c Mike Pavone <pavone@retrodev.com> parents: 490 diff changeset	390 #endif
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	391
426 add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering Mike Pavone <pavone@retrodev.com> parents: 421 diff changeset	392 uint32_t blankbuf[320*240];
413 36fbbced25c2 Initial work on interlace Mike Pavone <pavone@retrodev.com> parents: 409 diff changeset	393
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	394 void render_context(vdp_context * context)
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	395 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	396 uint16_t *buf_16;
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	397 uint32_t *buf_32;
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	398 uint8_t b,g,r;
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	399 last_frame = SDL_GetTicks();
495 39cad98d2789 Allow OpenGL support to be disabled at compile time. Move generic utility functions out of config.c Mike Pavone <pavone@retrodev.com> parents: 490 diff changeset	400 #ifndef DISABLE_OPENGL
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	401 if (render_gl)
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	402 {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	403 render_context_gl(context);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	404 return;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	405 }
495 39cad98d2789 Allow OpenGL support to be disabled at compile time. Move generic utility functions out of config.c Mike Pavone <pavone@retrodev.com> parents: 490 diff changeset	406 #endif
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	407 if (SDL_MUSTLOCK(screen)) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	408 if (SDL_LockSurface(screen) < 0) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	409 return;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	410 }
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	411 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	412 uint16_t repeat_x = screen->clip_rect.w / 320;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	413 uint16_t repeat_y = screen->clip_rect.h / 240;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	414 if (repeat_x > repeat_y) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	415 repeat_x = repeat_y;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	416 } else {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	417 repeat_y = repeat_x;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	418 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	419 int othermask = repeat_y >> 1;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	420
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	421 if (screen->format->BytesPerPixel == 2) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	422 uint16_t otherbuf = (context->regs[REG_MODE_4] & BIT_INTERLACE) ? context->evenbuf : (uint16_t )blankbuf;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	423 uint16_t * oddbuf = context->oddbuf;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	424 buf_16 = (uint16_t *)screen->pixels;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	425 for (int y = 0; y < 240; y++) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	426 for (int i = 0; i < repeat_y; i++,buf_16 += screen->pitch/2) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	427 uint16_t *line = buf_16;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	428 uint16_t src_line = (i & othermask ? otherbuf : oddbuf) + y 320;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	429 for (int x = 0; x < 320; x++) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	430 uint16_t color = *(src_line++);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	431 for (int j = 0; j < repeat_x; j++) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	432 *(line++) = color;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	433 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	434 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	435 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	436 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	437 } else {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	438 uint32_t otherbuf = (context->regs[REG_MODE_4] & BIT_INTERLACE) ? context->evenbuf : (uint32_t )blankbuf;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	439 uint32_t * oddbuf = context->oddbuf;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	440 buf_32 = (uint32_t *)screen->pixels;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	441 for (int y = 0; y < 240; y++) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	442 for (int i = 0; i < repeat_y; i++,buf_32 += screen->pitch/4) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	443 uint32_t *line = buf_32;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	444 uint32_t src_line = (i & othermask ? otherbuf : oddbuf) + y 320;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	445 for (int x = 0; x < 320; x++) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	446 uint32_t color = *(src_line++);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	447 for (int j = 0; j < repeat_x; j++) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	448 *(line++) = color;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	449 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	450 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	451 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	452 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	453 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	454 if ( SDL_MUSTLOCK(screen) ) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	455 SDL_UnlockSurface(screen);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	456 }
444 cc754a309ead Add fullscreen support and add a keybinding for exiting the emulator Mike Pavone <pavone@retrodev.com> parents: 432 diff changeset	457 //SDL_UpdateRect(screen, 0, 0, screen->clip_rect.w, screen->clip_rect.h);
cc754a309ead Add fullscreen support and add a keybinding for exiting the emulator Mike Pavone <pavone@retrodev.com> parents: 432 diff changeset	458 SDL_Flip(screen);
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	459 if (context->regs[REG_MODE_4] & BIT_INTERLACE)
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	460 {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	461 context->framebuf = context->framebuf == context->oddbuf ? context->evenbuf : context->oddbuf;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	462 }
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	463 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	464
418 dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	465 int render_joystick_num_buttons(int joystick)
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	466 {
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	467 if (joystick >= num_joysticks) {
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	468 return 0;
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	469 }
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	470 return SDL_JoystickNumButtons(joysticks[joystick]);
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	471 }
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	472
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	473 int render_joystick_num_hats(int joystick)
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	474 {
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	475 if (joystick >= num_joysticks) {
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	476 return 0;
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	477 }
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	478 return SDL_JoystickNumHats(joysticks[joystick]);
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	479 }
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	480
43 3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 33 diff changeset	481 void render_wait_quit(vdp_context * context)
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	482 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	483 SDL_Event event;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	484 while(SDL_WaitEvent(&event)) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	485 switch (event.type) {
43 3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 33 diff changeset	486 case SDL_KEYDOWN:
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 33 diff changeset	487 if (event.key.keysym.sym == SDLK_LEFTBRACKET) {
55 8317f174d916 Add palette debug to SDL renderer Mike Pavone <pavone@retrodev.com> parents: 54 diff changeset	488 render_dbg++;
135 a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	489 if (render_dbg == 4) {
55 8317f174d916 Add palette debug to SDL renderer Mike Pavone <pavone@retrodev.com> parents: 54 diff changeset	490 render_dbg = 0;
8317f174d916 Add palette debug to SDL renderer Mike Pavone <pavone@retrodev.com> parents: 54 diff changeset	491 }
43 3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 33 diff changeset	492 render_context(context);
135 a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	493 } else if(event.key.keysym.sym == SDLK_RIGHTBRACKET) {
a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	494 debug_pal++;
a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	495 if (debug_pal == 4) {
a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	496 debug_pal = 0;
a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	497 }
43 3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 33 diff changeset	498 }
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 33 diff changeset	499 break;
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	500 case SDL_QUIT:
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	501 return;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	502 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	503 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	504 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	505
398 c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	506 void render_debug_mode(uint8_t mode)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	507 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	508 if (mode < 4) {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	509 render_dbg = mode;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	510 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	511 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	512
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	513 void render_debug_pal(uint8_t pal)
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	514 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	515 if (pal < 4) {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	516 debug_pal = pal;
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	517 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	518 }
66 7a22a0e6c004 Gamepad support Mike Pavone <pavone@retrodev.com> parents: 64 diff changeset	519
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	520 int32_t handle_event(SDL_Event *event)
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	521 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	522 switch (event->type) {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	523 case SDL_KEYDOWN:
398 c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	524 handle_keydown(event->key.keysym.sym);
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	525 break;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	526 case SDL_KEYUP:
398 c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	527 handle_keyup(event->key.keysym.sym);
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	528 break;
418 dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	529 case SDL_JOYBUTTONDOWN:
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	530 handle_joydown(event->jbutton.which, event->jbutton.button);
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	531 break;
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	532 case SDL_JOYBUTTONUP:
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	533 handle_joyup(event->jbutton.which, event->jbutton.button);
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	534 break;
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	535 case SDL_JOYHATMOTION:
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	536 handle_joy_dpad(event->jbutton.which, event->jhat.hat, event->jhat.value);
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	537 break;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	538 case SDL_QUIT:
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	539 puts("");
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	540 exit(0);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	541 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	542 return 0;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	543 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	544
486 db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	545 char * fps_caption = NULL;
db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	546
63 a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	547 uint32_t frame_counter = 0;
a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	548 uint32_t start = 0;
338 5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it Mike Pavone <pavone@retrodev.com> parents: 322 diff changeset	549 int wait_render_frame(vdp_context * context, int frame_limit)
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	550 {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	551 SDL_Event event;
198 209a37eed3e7 Add support for breaking into the debugger while game is running Mike Pavone <pavone@retrodev.com> parents: 135 diff changeset	552 int ret = 0;
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	553 while(SDL_PollEvent(&event)) {
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	554 ret = handle_event(&event);
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	555 }
338 5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it Mike Pavone <pavone@retrodev.com> parents: 322 diff changeset	556 if (frame_limit) {
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it Mike Pavone <pavone@retrodev.com> parents: 322 diff changeset	557 //TODO: Adjust frame delay so we actually get 60 FPS rather than 62.5 FPS
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it Mike Pavone <pavone@retrodev.com> parents: 322 diff changeset	558 uint32_t current = SDL_GetTicks();
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	559 uint32_t desired = last_frame + frame_delay;
338 5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it Mike Pavone <pavone@retrodev.com> parents: 322 diff changeset	560 if (current < desired) {
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	561 uint32_t delay = last_frame + frame_delay - current;
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	562 if (delay > min_delay) {
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	563 SDL_Delay((delay/min_delay)*min_delay);
338 5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it Mike Pavone <pavone@retrodev.com> parents: 322 diff changeset	564 }
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it Mike Pavone <pavone@retrodev.com> parents: 322 diff changeset	565 while ((desired) >= SDL_GetTicks()) {
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it Mike Pavone <pavone@retrodev.com> parents: 322 diff changeset	566 }
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	567 }
338 5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it Mike Pavone <pavone@retrodev.com> parents: 322 diff changeset	568 }
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	569 render_context(context);
486 db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	570
db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	571
64 2b1a65f4b85d Cleanup 68K timing code. Temporarily omment out fFPS counter as it was causing segfaults Mike Pavone <pavone@retrodev.com> parents: 63 diff changeset	572 //TODO: Figure out why this causes segfaults
486 db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	573 frame_counter++;
63 a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	574 if ((last_frame - start) > 1000) {
272 9b04b57434b5 Implement LDI Mike Pavone <pavone@retrodev.com> parents: 237 diff changeset	575 if (start && (last_frame-start)) {
486 db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	576 if (!fps_caption) {
db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	577 fps_caption = malloc(strlen(caption) + strlen(" - 1000.1 fps") + 1);
db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	578 }
db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	579 sprintf(fps_caption, "%s - %.1f fps", caption, ((float)frame_counter) / (((float)(last_frame-start)) / 1000.0));
db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	580 SDL_WM_SetCaption(fps_caption, caption);
63 a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	581 fflush(stdout);
a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	582 }
a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	583 start = last_frame;
a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	584 frame_counter = 0;
486 db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	585 }
198 209a37eed3e7 Add support for breaking into the debugger while game is running Mike Pavone <pavone@retrodev.com> parents: 135 diff changeset	586 return ret;
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	587 }
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	588
409 c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	589 void process_events()
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	590 {
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	591 SDL_Event event;
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	592 while(SDL_PollEvent(&event)) {
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	593 handle_event(&event);
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	594 }
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	595 }
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	596
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	597 void render_wait_psg(psg_context * context)
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	598 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	599 SDL_LockMutex(audio_mutex);
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	600 while (current_psg != NULL) {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	601 SDL_CondWait(psg_cond, audio_mutex);
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	602 }
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	603 current_psg = context->audio_buffer;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	604 SDL_CondSignal(audio_ready);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	605
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	606 context->audio_buffer = context->back_buffer;
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	607 context->back_buffer = current_psg;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	608 SDL_UnlockMutex(audio_mutex);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	609 context->buffer_pos = 0;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	610 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	611
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	612 void render_wait_ym(ym2612_context * context)
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	613 {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	614 SDL_LockMutex(audio_mutex);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	615 while (current_ym != NULL) {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	616 SDL_CondWait(ym_cond, audio_mutex);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	617 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	618 current_ym = context->audio_buffer;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	619 SDL_CondSignal(audio_ready);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	620
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	621 context->audio_buffer = context->back_buffer;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	622 context->back_buffer = current_ym;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	623 SDL_UnlockMutex(audio_mutex);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	624 context->buffer_pos = 0;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	625 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	626
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	627 void render_fps(uint32_t fps)
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	628 {
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	629 frame_delay = 1000/fps;
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	630 }
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	631
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	632 uint32_t render_audio_buffer()
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	633 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	634 return buffer_samples;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	635 }
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	636
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	637 uint32_t render_sample_rate()
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	638 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	639 return sample_rate;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	640 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	641
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	642

Mercurial > repos > blastem

annotate render_sdl.c @ 655:38006d43f5a3