repos/blastem: render_sdl.c annotate

annotate render_sdl.c @ 502:7fdfcced65b6

Fix allocation and memset size for field buffers when using OpenGL

author	Mike Pavone <pavone@retrodev.com>
date	Tue, 29 Oct 2013 23:13:15 -0700
parents	251fe7a75a14
children	b7b7a1cab44a

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

Mercurial > repos > blastem

annotate render_sdl.c @ 502:7fdfcced65b6