repos/blastem: render_sdl.c annotate

annotate render_sdl.c @ 491:193ca779988e opengl

Close OpenGL feature branch

author	Mike Pavone <pavone@retrodev.com>
date	Sun, 27 Oct 2013 22:07:43 -0700
parents	c8e65962bfed
children	39cad98d2789

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>
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	8 #include "render.h"
66 7a22a0e6c004 Gamepad support Mike Pavone <pavone@retrodev.com> parents: 64 diff changeset	9 #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	10 #include "io.h"
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	11
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	12 #ifndef DISABLE_OPENGL
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	13 #include <GL/glew.h>
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	14 #endif
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	15
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	16 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	17 uint8_t render_dbg = 0;
135 a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	18 uint8_t debug_pal = 0;
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	19 uint8_t render_gl;
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	20
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	21 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	22
229 d60837a7d18a Improve color rendering accuracy and optimize SDL renderer a bit Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	23 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	24 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	25
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	26 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	27 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	28
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	29 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	30 uint32_t missing_count;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	31
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	32 SDL_mutex * audio_mutex;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	33 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	34 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	35 SDL_cond * ym_cond;
361 946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	36 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	37
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	38 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	39 {
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	40 //puts("audio_callback");
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	41 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	42 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	43 int16_t * psg_buf, * ym_buf;
361 946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	44 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	45 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	46 psg_buf = NULL;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	47 ym_buf = NULL;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	48 do {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	49 if (!psg_buf) {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	50 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	51 current_psg = NULL;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	52 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	53 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	54 if (!ym_buf) {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	55 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	56 current_ym = NULL;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	57 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	58 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	59 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	60 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	61 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	62 } 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	63
361 946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	64 local_quit = quitting;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	65 SDL_UnlockMutex(audio_mutex);
361 946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	66 if (!local_quit) {
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	67 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	68 (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	69 (stream++) = psg_buf[i] + (ym_buf++);
361 946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	70 }
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	71 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	72 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	73
361 946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	74 void render_close_audio()
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	75 {
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	76 SDL_LockMutex(audio_mutex);
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	77 quitting = 1;
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	78 SDL_CondSignal(audio_ready);
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	79 SDL_UnlockMutex(audio_mutex);
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	80 SDL_CloseAudio();
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	81 }
946ae3749260 Fix deadlock on quit Mike Pavone <pavone@retrodev.com> parents: 356 diff changeset	82
418 dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	83 SDL_Joystick * joysticks[MAX_JOYSTICKS];
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	84 int num_joysticks;
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	85
432 18cde14e8c10 Read joystick bindings from config file Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	86 int render_num_joysticks()
18cde14e8c10 Read joystick bindings from config file Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	87 {
18cde14e8c10 Read joystick bindings from config file Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	88 return 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
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	91 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	92 {
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	93 if (render_gl) {
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	94 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	95 } else {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	96 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	97 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	98 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	99
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	100 GLuint textures[3], buffers[2], vshader, fshader, program, un_textures[2], at_pos;
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	101
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	102 const GLfloat vertex_data[] = {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	103 -1.0f, -1.0f,
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	104 1.0f, -1.0f,
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	105 -1.0f, 1.0f,
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 };
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	108
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	109 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	110
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	111 GLuint load_shader(char * fname, GLenum shader_type)
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	112 {
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	113 FILE * f = fopen(fname, "r");
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	114 if (!f) {
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	115 fprintf(stderr, "Failed to open shader file %s for reading\n", fname);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	116 return 0;
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	117 }
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	118 fseek(f, 0, SEEK_END);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	119 long fsize = ftell(f);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	120 fseek(f, 0, SEEK_SET);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	121 GLchar * text = malloc(fsize);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	122 if (fread(text, 1, fsize, f) != fsize) {
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	123 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	124 free(text);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	125 return 0;
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	126 }
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	127 GLuint ret = glCreateShader(shader_type);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	128 glShaderSource(ret, 1, (const GLchar *)&text, (const GLint )&fsize);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	129 free(text);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	130 glCompileShader(ret);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	131 GLint compile_status, loglen;
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	132 glGetShaderiv(ret, GL_COMPILE_STATUS, &compile_status);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	133 if (!compile_status) {
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	134 fprintf(stderr, "Shader %s failed to compile\n", fname);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	135 glGetShaderiv(ret, GL_INFO_LOG_LENGTH, &loglen);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	136 text = malloc(loglen);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	137 glGetShaderInfoLog(ret, loglen, NULL, text);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	138 fputs(text, stderr);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	139 free(text);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	140 glDeleteShader(ret);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	141 return 0;
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	142 }
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	143 return ret;
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	144 }
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	145
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	146 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	147 {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	148 if (render_gl) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	149 context->oddbuf = context->framebuf = malloc(320 * 240 * 4 * 2);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	150 memset(context->oddbuf, 0, 320 * 240 * 4 * 2);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	151 context->evenbuf = ((char )context->oddbuf) + 320 240 * 4;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	152 glGenTextures(3, textures);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	153 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	154 {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	155 glBindTexture(GL_TEXTURE_2D, textures[i]);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	156 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	157 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	158 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	159 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	160 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	161 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	162 } else {
489 e97b80e3bd76 Support interlace mode with OpenGL backend Mike Pavone <pavone@retrodev.com> parents: 488 diff changeset	163 uint32_t blank = 255 << 24;
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	164 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	165 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	166 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	167 glGenBuffers(2, buffers);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	168 glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	169 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	170 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	171 glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(element_data), element_data, GL_STATIC_DRAW);
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	172 vshader = load_shader("default.v.glsl", GL_VERTEX_SHADER);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	173 fshader = load_shader("default.f.glsl", GL_FRAGMENT_SHADER);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	174 program = glCreateProgram();
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	175 glAttachShader(program, vshader);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	176 glAttachShader(program, fshader);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	177 glLinkProgram(program);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	178 GLint link_status;
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	179 glGetProgramiv(program, GL_LINK_STATUS, &link_status);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	180 if (!link_status) {
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	181 fputs("Failed to link shader program\n", stderr);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	182 exit(1);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	183 }
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	184 un_textures[0] = glGetUniformLocation(program, "textures[0]");
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	185 un_textures[1] = glGetUniformLocation(program, "textures[1]");
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	186 at_pos = glGetAttribLocation(program, "pos");
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	187 } else {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	188 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	189 context->evenbuf = ((char )context->oddbuf) + 320 240 * screen->format->BytesPerPixel;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	190 }
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	191 }
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	192
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	193 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	194 {
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	195 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	196 }
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	197
486 db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	198 char * caption = NULL;
db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	199
487 c08a4efeee7f Update opengl branch from default. Fix build breakage unrelated to merge Mike Pavone <pavone@retrodev.com> parents: 449 486 diff changeset	200 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	201 {
418 dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	202 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	203 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	204 exit(1);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	205 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	206 atexit(SDL_Quit);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	207 atexit(render_close_audio);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	208 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	209 uint32_t flags = SDL_ANYFORMAT;
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	210
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	211 #ifndef DISABLE_OPENGL
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	212 if (use_gl)
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	213 {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	214 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	215 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	216 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	217 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	218 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	219 flags = SDL_OPENGL;
490 c8e65962bfed Enable fullscreen mode in OpenGL renderer Mike Pavone <pavone@retrodev.com> parents: 489 diff changeset	220 if (fullscreen) {
c8e65962bfed Enable fullscreen mode in OpenGL renderer Mike Pavone <pavone@retrodev.com> parents: 489 diff changeset	221 flags \|= SDL_FULLSCREEN;
c8e65962bfed Enable fullscreen mode in OpenGL renderer Mike Pavone <pavone@retrodev.com> parents: 489 diff changeset	222 }
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	223 } else {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	224 #else
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	225 {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	226 #endif
487 c08a4efeee7f Update opengl branch from default. Fix build breakage unrelated to merge Mike Pavone <pavone@retrodev.com> parents: 449 486 diff changeset	227 if (fullscreen) {
c08a4efeee7f Update opengl branch from default. Fix build breakage unrelated to merge Mike Pavone <pavone@retrodev.com> parents: 449 486 diff changeset	228 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	229 } else {
c08a4efeee7f Update opengl branch from default. Fix build breakage unrelated to merge Mike Pavone <pavone@retrodev.com> parents: 449 486 diff changeset	230 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	231 }
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	232 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	233 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	234 if (!screen) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	235 fprintf(stderr, "Unable to get SDL surface: %s\n", SDL_GetError());
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	236 exit(1);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	237 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	238 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	239 fprintf(stderr, "BlastEm requires a 16-bit or 32-bit surface, SDL returned a %d-bit surface\n", screen->format->BytesPerPixel * 8);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	240 exit(1);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	241 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	242 #ifndef DISABLE_OPENGL
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	243 //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	244 if (use_gl)
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	245 {
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	246 GLenum res = glewInit();
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	247 if (res != GLEW_OK)
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	248 {
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	249 fprintf(stderr, "Initialization of GLEW failed with code %d\n", res);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	250 exit(1);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	251 }
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	252 if (!GLEW_VERSION_2_0)
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	253 {
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	254 fputs("OpenGL 2.0 is unable, falling back to standard SDL rendering\n", stderr);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	255 exit(1);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	256 }
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	257 }
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	258 render_gl = use_gl;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	259 #endif
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	260 SDL_WM_SetCaption(title, title);
486 db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	261 caption = title;
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	262 min_delay = 0;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	263 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	264 uint32_t start = SDL_GetTicks();
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	265 SDL_Delay(1);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	266 uint32_t delay = SDL_GetTicks()-start;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	267 if (delay > min_delay) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	268 min_delay = delay;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	269 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	270 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	271 if (!min_delay) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	272 min_delay = 1;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	273 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	274 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	275
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	276 frame_delay = 1000/fps;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	277
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	278 audio_mutex = SDL_CreateMutex();
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	279 psg_cond = SDL_CreateCond();
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	280 ym_cond = SDL_CreateCond();
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	281 audio_ready = SDL_CreateCond();
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	282
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	283 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	284 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	285 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	286 if (!rate) {
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	287 rate = 48000;
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	288 }
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	289 desired.freq = rate;
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	290 desired.format = AUDIO_S16SYS;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	291 desired.channels = 2;
445 80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	292 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	293 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	294 if (!samples) {
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	295 samples = 512;
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	296 }
80a9527c812c Add config values for audio sample rate and buffer size Mike Pavone <pavone@retrodev.com> parents: 444 diff changeset	297 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	298 desired.samples = samples*2;
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	299 desired.callback = audio_callback;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	300 desired.userdata = NULL;
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 if (SDL_OpenAudio(&desired, &actual) < 0) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	303 fprintf(stderr, "Unable to open SDL audio: %s\n", SDL_GetError());
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	304 exit(1);
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 buffer_samples = actual.samples;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	307 sample_rate = actual.freq;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	308 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	309 SDL_PauseAudio(0);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	310 num_joysticks = SDL_NumJoysticks();
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	311 if (num_joysticks > MAX_JOYSTICKS) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	312 num_joysticks = MAX_JOYSTICKS;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	313 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	314 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	315 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	316 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	317 if (joy) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	318 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	319 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	320 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	321 SDL_JoystickEventState(SDL_ENABLE);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	322 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	323
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	324 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	325 {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	326 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	327 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	328
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	329 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	330 glClear(GL_COLOR_BUFFER_BIT);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	331
488 32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	332 glUseProgram(program);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	333 glActiveTexture(GL_TEXTURE0);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	334 glBindTexture(GL_TEXTURE_2D, textures[0]);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	335 glUniform1i(un_textures[0], 0);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	336
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	337 glActiveTexture(GL_TEXTURE1);
489 e97b80e3bd76 Support interlace mode with OpenGL backend Mike Pavone <pavone@retrodev.com> parents: 488 diff changeset	338 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	339 glUniform1i(un_textures[1], 1);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	340
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	341 glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	342 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	343 glEnableVertexAttribArray(at_pos);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	344
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	345 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[1]);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	346 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	347
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	348 glDisableVertexAttribArray(at_pos);
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	349
32f053ad9b02 Basic OpenGL rendering is working Mike Pavone <pavone@retrodev.com> parents: 487 diff changeset	350 SDL_GL_SwapBuffers();
489 e97b80e3bd76 Support interlace mode with OpenGL backend Mike Pavone <pavone@retrodev.com> parents: 488 diff changeset	351 if (context->regs[REG_MODE_4] & BIT_INTERLACE)
e97b80e3bd76 Support interlace mode with OpenGL backend Mike Pavone <pavone@retrodev.com> parents: 488 diff changeset	352 {
e97b80e3bd76 Support interlace mode with OpenGL backend Mike Pavone <pavone@retrodev.com> parents: 488 diff changeset	353 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	354 }
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	355 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	356
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	357 uint32_t blankbuf[320*240];
413 36fbbced25c2 Initial work on interlace Mike Pavone <pavone@retrodev.com> parents: 409 diff changeset	358
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	359 void render_context(vdp_context * context)
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	360 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	361 uint16_t *buf_16;
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	362 uint32_t *buf_32;
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	363 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	364 last_frame = SDL_GetTicks();
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	365 if (render_gl)
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	366 {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	367 render_context_gl(context);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	368 return;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	369 }
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	370 if (SDL_MUSTLOCK(screen)) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	371 if (SDL_LockSurface(screen) < 0) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	372 return;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	373 }
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	374 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	375 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	376 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	377 if (repeat_x > repeat_y) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	378 repeat_x = repeat_y;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	379 } else {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	380 repeat_y = repeat_x;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	381 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	382 int othermask = repeat_y >> 1;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	383
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	384 if (screen->format->BytesPerPixel == 2) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	385 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	386 uint16_t * oddbuf = context->oddbuf;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	387 buf_16 = (uint16_t *)screen->pixels;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	388 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	389 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	390 uint16_t *line = buf_16;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	391 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	392 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	393 uint16_t color = *(src_line++);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	394 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	395 *(line++) = color;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	396 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	397 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	398 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	399 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	400 } else {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	401 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	402 uint32_t * oddbuf = context->oddbuf;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	403 buf_32 = (uint32_t *)screen->pixels;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	404 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	405 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	406 uint32_t *line = buf_32;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	407 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	408 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	409 uint32_t color = *(src_line++);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	410 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	411 *(line++) = color;
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	412 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	413 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	414 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	415 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	416 }
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	417 if ( SDL_MUSTLOCK(screen) ) {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	418 SDL_UnlockSurface(screen);
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	419 }
444 cc754a309ead Add fullscreen support and add a keybinding for exiting the emulator Mike Pavone <pavone@retrodev.com> parents: 432 diff changeset	420 //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	421 SDL_Flip(screen);
449 7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	422 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	423 {
7696d824489d Started work on OpenGL support in new branch Mike Pavone <pavone@retrodev.com> parents: 426 diff changeset	424 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	425 }
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	426 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	427
418 dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	428 int render_joystick_num_buttons(int joystick)
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	429 {
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	430 if (joystick >= num_joysticks) {
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	431 return 0;
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	432 }
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	433 return SDL_JoystickNumButtons(joysticks[joystick]);
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	434 }
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	435
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	436 int render_joystick_num_hats(int joystick)
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	437 {
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	438 if (joystick >= num_joysticks) {
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	439 return 0;
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	440 }
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	441 return SDL_JoystickNumHats(joysticks[joystick]);
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	442 }
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	443
43 3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 33 diff changeset	444 void render_wait_quit(vdp_context * context)
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	445 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	446 SDL_Event event;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	447 while(SDL_WaitEvent(&event)) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	448 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	449 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	450 if (event.key.keysym.sym == SDLK_LEFTBRACKET) {
55 8317f174d916 Add palette debug to SDL renderer Mike Pavone <pavone@retrodev.com> parents: 54 diff changeset	451 render_dbg++;
135 a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	452 if (render_dbg == 4) {
55 8317f174d916 Add palette debug to SDL renderer Mike Pavone <pavone@retrodev.com> parents: 54 diff changeset	453 render_dbg = 0;
8317f174d916 Add palette debug to SDL renderer Mike Pavone <pavone@retrodev.com> parents: 54 diff changeset	454 }
43 3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 33 diff changeset	455 render_context(context);
135 a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	456 } else if(event.key.keysym.sym == SDLK_RIGHTBRACKET) {
a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	457 debug_pal++;
a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	458 if (debug_pal == 4) {
a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	459 debug_pal = 0;
a81c548cf353 Fix 68K->VDP DMA Mike Pavone <pavone@retrodev.com> parents: 66 diff changeset	460 }
43 3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 33 diff changeset	461 }
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles Mike Pavone <pavone@retrodev.com> parents: 33 diff changeset	462 break;
20 f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	463 case SDL_QUIT:
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	464 return;
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	465 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	466 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	467 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer Mike Pavone <pavone@retrodev.com> parents: diff changeset	468
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	469 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	470 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	471 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	472 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	473 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	474 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	475
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	476 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	477 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	478 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	479 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	480 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later Mike Pavone <pavone@retrodev.com> parents: 364 diff changeset	481 }
66 7a22a0e6c004 Gamepad support Mike Pavone <pavone@retrodev.com> parents: 64 diff changeset	482
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	483 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	484 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	485 switch (event->type) {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	486 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	487 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	488 break;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	489 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	490 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	491 break;
418 dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	492 case SDL_JOYBUTTONDOWN:
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	493 handle_joydown(event->jbutton.which, event->jbutton.button);
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	494 break;
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	495 case SDL_JOYBUTTONUP:
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	496 handle_joyup(event->jbutton.which, event->jbutton.button);
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	497 break;
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	498 case SDL_JOYHATMOTION:
dbf4e1c86f3c Implement basic joystick support Mike Pavone <pavone@retrodev.com> parents: 416 diff changeset	499 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	500 break;
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	501 case SDL_QUIT:
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	502 puts("");
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	503 exit(0);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	504 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	505 return 0;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	506 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	507
486 db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	508 char * fps_caption = NULL;
db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	509
63 a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	510 uint32_t frame_counter = 0;
a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	511 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	512 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	513 {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	514 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	515 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	516 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	517 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	518 }
338 5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it Mike Pavone <pavone@retrodev.com> parents: 322 diff changeset	519 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	520 //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	521 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	522 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	523 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	524 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	525 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	526 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	527 }
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it Mike Pavone <pavone@retrodev.com> parents: 322 diff changeset	528 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	529 }
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	530 }
338 5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it Mike Pavone <pavone@retrodev.com> parents: 322 diff changeset	531 }
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	532 render_context(context);
486 db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	533
db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	534
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	535 //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	536 frame_counter++;
63 a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	537 if ((last_frame - start) > 1000) {
272 9b04b57434b5 Implement LDI Mike Pavone <pavone@retrodev.com> parents: 237 diff changeset	538 if (start && (last_frame-start)) {
486 db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	539 if (!fps_caption) {
db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	540 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	541 }
db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	542 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	543 SDL_WM_SetCaption(fps_caption, caption);
63 a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	544 fflush(stdout);
a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	545 }
a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	546 start = last_frame;
a6dd5b7a971b Add FPS counter to console output Mike Pavone <pavone@retrodev.com> parents: 55 diff changeset	547 frame_counter = 0;
486 db5880d8ea03 Add an FPS counter to the title bar Mike Pavone <pavone@retrodev.com> parents: 467 diff changeset	548 }
198 209a37eed3e7 Add support for breaking into the debugger while game is running Mike Pavone <pavone@retrodev.com> parents: 135 diff changeset	549 return ret;
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
409 c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	552 void process_events()
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	553 {
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	554 SDL_Event event;
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	555 while(SDL_PollEvent(&event)) {
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	556 handle_event(&event);
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	557 }
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	558 }
c1bddeadc566 Process events in vgm player so that quitting works Mike Pavone <pavone@retrodev.com> parents: 398 diff changeset	559
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	560 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	561 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	562 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	563 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	564 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	565 }
364 62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	566 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	567 SDL_CondSignal(audio_ready);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	568
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	569 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	570 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	571 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	572 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	573 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	574
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	575 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	576 {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	577 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	578 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	579 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	580 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	581 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	582 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	583
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request Mike Pavone <pavone@retrodev.com> parents: 361 diff changeset	584 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	585 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	586 SDL_UnlockMutex(audio_mutex);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	587 context->buffer_pos = 0;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	588 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	589
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	590 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	591 {
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	592 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	593 }
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 43 diff changeset	594
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	595 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	596 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	597 return buffer_samples;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	598 }
342 13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region Mike Pavone <pavone@retrodev.com> parents: 340 diff changeset	599
354 15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	600 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	601 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	602 return sample_rate;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	603 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	604
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though. Mike Pavone <pavone@retrodev.com> parents: 342 diff changeset	605

Mercurial > repos > blastem

annotate render_sdl.c @ 491:193ca779988e opengl