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annotate render_sdl.c @ 797:65181c3ee560

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Add pure SDL2 renderer
author =?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
date Sun, 26 Jul 2015 13:05:05 -0700
parents 1b2f8280ba81
children 062a2199daf6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 Copyright 2013 Michael Pavone
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3 This file is part of BlastEm.
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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.
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5 */
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6 #include <stdlib.h>
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7 #include <stdio.h>
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8 #include <string.h>
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9 #include <math.h>
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10 #include "render.h"
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11 #include "blastem.h"
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12 #include "io.h"
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13 #include "util.h"
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14
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15 #include <GL/glew.h>
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16
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17 SDL_Window *main_window;
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18 #ifdef DISABLE_OPENGL
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19 SDL_Renderer *main_renderer;
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20 SDL_Texture *main_texture;
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21 SDL_Rect main_clip;
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22 #else
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23 SDL_GLContext *main_context;
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24 #endif
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25
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26 uint8_t render_dbg = 0;
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27 uint8_t debug_pal = 0;
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28
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29 uint32_t last_frame = 0;
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30
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31 uint32_t min_delay;
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32 uint32_t frame_delay = 1000/60;
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33
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34 int16_t * current_psg = NULL;
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35 int16_t * current_ym = NULL;
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36
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37 uint32_t buffer_samples, sample_rate;
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38 uint32_t missing_count;
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39
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40 SDL_mutex * audio_mutex;
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41 SDL_cond * audio_ready;
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42 SDL_cond * psg_cond;
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43 SDL_cond * ym_cond;
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44 uint8_t quitting = 0;
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45
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46 void audio_callback(void * userdata, uint8_t *byte_stream, int len)
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47 {
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48 //puts("audio_callback");
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49 int16_t * stream = (int16_t *)byte_stream;
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50 int samples = len/(sizeof(int16_t)*2);
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51 int16_t * psg_buf, * ym_buf;
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52 uint8_t local_quit;
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53 SDL_LockMutex(audio_mutex);
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54 psg_buf = NULL;
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55 ym_buf = NULL;
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56 do {
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57 if (!psg_buf) {
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58 psg_buf = current_psg;
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59 current_psg = NULL;
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60 SDL_CondSignal(psg_cond);
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61 }
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62 if (!ym_buf) {
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63 ym_buf = current_ym;
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64 current_ym = NULL;
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65 SDL_CondSignal(ym_cond);
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66 }
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67 if (!quitting && (!psg_buf || !ym_buf)) {
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68 SDL_CondWait(audio_ready, audio_mutex);
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69 }
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70 } while(!quitting && (!psg_buf || !ym_buf));
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71
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72 local_quit = quitting;
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73 SDL_UnlockMutex(audio_mutex);
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74 if (!local_quit) {
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75 for (int i = 0; i < samples; i++) {
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76 *(stream++) = psg_buf[i] + *(ym_buf++);
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77 *(stream++) = psg_buf[i] + *(ym_buf++);
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78 }
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79 }
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80 }
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81
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82 void render_close_audio()
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83 {
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84 SDL_LockMutex(audio_mutex);
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85 quitting = 1;
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86 SDL_CondSignal(audio_ready);
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87 SDL_UnlockMutex(audio_mutex);
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88 SDL_CloseAudio();
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89 }
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90
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91 SDL_Joystick * joysticks[MAX_JOYSTICKS];
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92 int num_joysticks;
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93
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94 int render_num_joysticks()
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95 {
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96 return num_joysticks;
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97 }
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98
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99 uint32_t render_map_color(uint8_t r, uint8_t g, uint8_t b)
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100 {
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101 return 255 << 24 | r << 16 | g << 8 | b;
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102 }
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103
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104 GLuint textures[3], buffers[2], vshader, fshader, program, un_textures[2], un_width, at_pos;
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105
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106 GLfloat vertex_data[] = {
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107 -1.0f, -1.0f,
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108 1.0f, -1.0f,
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109 -1.0f, 1.0f,
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110 1.0f, 1.0f
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111 };
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112
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113 const GLushort element_data[] = {0, 1, 2, 3};
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114
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115 GLuint load_shader(char * fname, GLenum shader_type)
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116 {
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117 char * parts[] = {get_home_dir(), "/.config/blastem/shaders/", fname};
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118 char * shader_path = alloc_concat_m(3, parts);
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119 FILE * f = fopen(shader_path, "r");
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120 free(shader_path);
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121 if (!f) {
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122 parts[0] = get_exe_dir();
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123 parts[1] = "/shaders/";
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124 shader_path = alloc_concat_m(3, parts);
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125 f = fopen(shader_path, "r");
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126 free(shader_path);
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127 if (!f) {
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128 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.
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parents: 495
diff changeset
129 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.
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parents: 495
diff changeset
130 }
488
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
131 }
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.
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parents: 495
diff changeset
132 long fsize = file_size(f);
488
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
133 GLchar * text = malloc(fsize);
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
134 if (fread(text, 1, fsize, f) != fsize) {
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
135 fprintf(stderr, "Error reading from shader file %s\n", fname);
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
136 free(text);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
137 return 0;
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
138 }
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
139 GLuint ret = glCreateShader(shader_type);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
140 glShaderSource(ret, 1, (const GLchar **)&text, (const GLint *)&fsize);
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
141 free(text);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
142 glCompileShader(ret);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
143 GLint compile_status, loglen;
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
144 glGetShaderiv(ret, GL_COMPILE_STATUS, &compile_status);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
145 if (!compile_status) {
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
146 fprintf(stderr, "Shader %s failed to compile\n", fname);
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
147 glGetShaderiv(ret, GL_INFO_LOG_LENGTH, &loglen);
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
148 text = malloc(loglen);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
149 glGetShaderInfoLog(ret, loglen, NULL, text);
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
150 fputs(text, stderr);
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
151 free(text);
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
152 glDeleteShader(ret);
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
153 return 0;
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
154 }
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
155 return ret;
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
156 }
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
157
449
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parents: 426
diff changeset
158 void render_alloc_surfaces(vdp_context * context)
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
159 {
719
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diff changeset
160 context->oddbuf = context->framebuf = malloc(512 * 256 * 4 * 2);
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parents: 655
diff changeset
161 memset(context->oddbuf, 0, 512 * 256 * 4 * 2);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
162 context->evenbuf = ((char *)context->oddbuf) + 512 * 256 * 4;
797
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=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
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diff changeset
163
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parents: 766
diff changeset
164 #ifdef DISABLE_OPENGL
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diff changeset
165 /* height=480 to fit interlaced output */
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diff changeset
166 main_texture = SDL_CreateTexture(main_renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, 320, 480);
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diff changeset
167 #else
719
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diff changeset
168 glGenTextures(3, textures);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
169 for (int i = 0; i < 3; i++)
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
170 {
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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diff changeset
171 glBindTexture(GL_TEXTURE_2D, textures[i]);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
172 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
173 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
174 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
175 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
176 if (i < 2) {
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
177 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 512, 256, 0, GL_BGRA, GL_UNSIGNED_BYTE, i ? context->evenbuf : context->oddbuf);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
178 } else {
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
179 uint32_t blank = 255 << 24;
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
180 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 1, 1, 0, GL_BGRA, GL_UNSIGNED_BYTE, &blank);
449
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diff changeset
181 }
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
182 }
719
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diff changeset
183 glGenBuffers(2, buffers);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
184 glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
185 glBufferData(GL_ARRAY_BUFFER, sizeof(vertex_data), vertex_data, GL_STATIC_DRAW);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
186 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[1]);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
187 glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(element_data), element_data, GL_STATIC_DRAW);
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 746
diff changeset
188 tern_val def = {.ptrval = "default.v.glsl"};
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 746
diff changeset
189 vshader = load_shader(tern_find_path_default(config, "video\0vertex_shader\0", def).ptrval, GL_VERTEX_SHADER);
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 746
diff changeset
190 def.ptrval = "default.f.glsl";
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 746
diff changeset
191 fshader = load_shader(tern_find_path_default(config, "video\0fragment_shader\0", def).ptrval, GL_FRAGMENT_SHADER);
719
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
192 program = glCreateProgram();
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
193 glAttachShader(program, vshader);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
194 glAttachShader(program, fshader);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
195 glLinkProgram(program);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
196 GLint link_status;
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
197 glGetProgramiv(program, GL_LINK_STATUS, &link_status);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
198 if (!link_status) {
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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diff changeset
199 fputs("Failed to link shader program\n", stderr);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
200 exit(1);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
201 }
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
202 un_textures[0] = glGetUniformLocation(program, "textures[0]");
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
203 un_textures[1] = glGetUniformLocation(program, "textures[1]");
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
204 un_width = glGetUniformLocation(program, "width");
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
205 at_pos = glGetAttribLocation(program, "pos");
797
65181c3ee560 Add pure SDL2 renderer
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parents: 766
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
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
209 char * caption = NULL;
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
210
797
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
211 static void render_quit()
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diff changeset
212 {
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
213 render_close_audio();
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
214 #ifdef DISABLE_OPENGL
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
215 SDL_DestroyTexture(main_texture);
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
216 #endif
65181c3ee560 Add pure SDL2 renderer
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diff changeset
217 SDL_Quit();
65181c3ee560 Add pure SDL2 renderer
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diff changeset
218 }
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
219
719
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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diff changeset
220 void render_init(int width, int height, char * title, uint32_t fps, uint8_t fullscreen)
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
221 {
418
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
222 if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_JOYSTICK) < 0) {
449
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
223 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
224 exit(1);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
225 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
226 printf("width: %d, height: %d\n", width, height);
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
227
797
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
228 uint32_t flags = 0;
65181c3ee560 Add pure SDL2 renderer
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diff changeset
229
719
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diff changeset
230 if (fullscreen) {
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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diff changeset
231 flags |= SDL_WINDOW_FULLSCREEN_DESKTOP;
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
232 SDL_DisplayMode mode;
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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diff changeset
233 //TODO: Multiple monitor support
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
234 SDL_GetCurrentDisplayMode(0, &mode);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
235 //the SDL2 migration guide suggests setting width and height to 0 when using SDL_WINDOW_FULLSCREEN_DESKTOP
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
236 //but that doesn't seem to work right when using OpenGL, at least on Linux anyway
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
237 width = mode.w;
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
238 height = mode.h;
449
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
239 }
797
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=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
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diff changeset
240
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
241 #ifdef DISABLE_OPENGL
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
242 SDL_CreateWindowAndRenderer(width, height, flags, &main_window, &main_renderer);
65181c3ee560 Add pure SDL2 renderer
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diff changeset
243
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
244 if (!main_window || !main_renderer) {
65181c3ee560 Add pure SDL2 renderer
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diff changeset
245 fprintf(stderr, "unable to create SDL window: %s\n", SDL_GetError());
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
246 SDL_Quit();
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
247 exit(1);
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
248 }
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
249 main_clip.x = main_clip.y = 0;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
250 main_clip.w = width;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
251 main_clip.h = height;
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diff changeset
252 #else
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diff changeset
253 flags |= SDL_WINDOW_OPENGL;
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parents: 766
diff changeset
254 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
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parents: 766
diff changeset
255 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
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parents: 766
diff changeset
256 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
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parents: 766
diff changeset
257 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 0);
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parents: 766
diff changeset
258 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
719
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Michael Pavone <pavone@retrodev.com>
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diff changeset
259 main_window = SDL_CreateWindow(title, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, flags);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
260 if (!main_window) {
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
261 fprintf(stderr, "Unable to create SDL window: %s\n", SDL_GetError());
655
38006d43f5a3 Avoid calling atexit(SDL_Quit) until after OpenGL initialization to avoid a segfault on exit when using fglrx
Michael Pavone <pavone@retrodev.com>
parents: 622
diff changeset
262 SDL_Quit();
449
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parents: 426
diff changeset
263 exit(1);
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
264 }
719
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parents: 655
diff changeset
265 main_context = SDL_GL_CreateContext(main_window);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
266 GLenum res = glewInit();
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
267 if (res != GLEW_OK) {
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
268 fprintf(stderr, "Initialization of GLEW failed with code %d\n", res);
655
38006d43f5a3 Avoid calling atexit(SDL_Quit) until after OpenGL initialization to avoid a segfault on exit when using fglrx
Michael Pavone <pavone@retrodev.com>
parents: 622
diff changeset
269 SDL_Quit();
449
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diff changeset
270 exit(1);
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parents: 426
diff changeset
271 }
719
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diff changeset
272 if (!GLEW_VERSION_2_0) {
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parents: 655
diff changeset
273 fputs("BlastEm requires at least OpenGL 2.0, but it is unavailable\n", stderr);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
274 SDL_Quit();
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
275 exit(1);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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diff changeset
276 }
797
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diff changeset
277 #endif
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diff changeset
278 SDL_GetWindowSize(main_window, &width, &height);
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diff changeset
279 printf("Window created with size: %d x %d\n", width, height);
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parents: 766
diff changeset
280 float src_aspect = 4.0/3.0;
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diff changeset
281 float aspect = (float)width / height;
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
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diff changeset
282 tern_val def = {.ptrval = "normal"};
797
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diff changeset
283 int stretch = fabs(aspect - src_aspect) > 0.01 && !strcmp(tern_find_path_default(config, "video\0aspect\0", def).ptrval, "stretch");
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diff changeset
284
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=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
285 #ifdef DISABLE_OPENGL
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diff changeset
286 if (!stretch) {
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
287 float scale_x = (float)width / 320.0;
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
288 float scale_y = (float)height / 240.0;
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
289 float scale = scale_x > scale_y ? scale_y : scale_x;
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=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
290 main_clip.w = 320.0 * scale;
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
291 main_clip.h = 240.0 * scale;
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
292 main_clip.x = (width - main_clip.w) / 2;
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parents: 766
diff changeset
293 main_clip.y = (height - main_clip.h) / 2;
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
294 }
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
295 #else
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=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
296 if (!stretch) {
719
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Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
297 for (int i = 0; i < 4; i++)
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
298 {
797
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diff changeset
299 if (aspect > src_aspect) {
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parents: 766
diff changeset
300 vertex_data[i*2] *= src_aspect/aspect;
719
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Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
301 } else {
797
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parents: 766
diff changeset
302 vertex_data[i*2+1] *= aspect/src_aspect;
500
251fe7a75a14 Preserve aspect ratio unless config file says otherwise
Mike Pavone <pavone@retrodev.com>
parents: 498
diff changeset
303 }
251fe7a75a14 Preserve aspect ratio unless config file says otherwise
Mike Pavone <pavone@retrodev.com>
parents: 498
diff changeset
304 }
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
305 }
797
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
306 #endif
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
307 caption = title;
449
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
308 min_delay = 0;
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
309 for (int i = 0; i < 100; i++) {
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
310 uint32_t start = SDL_GetTicks();
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
311 SDL_Delay(1);
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
312 uint32_t delay = SDL_GetTicks()-start;
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
313 if (delay > min_delay) {
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parents: 426
diff changeset
314 min_delay = delay;
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parents: 426
diff changeset
315 }
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
316 }
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
317 if (!min_delay) {
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
318 min_delay = 1;
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
319 }
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
320 printf("minimum delay: %d\n", min_delay);
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
321
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
322 frame_delay = 1000/fps;
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
323
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
324 audio_mutex = SDL_CreateMutex();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
325 psg_cond = SDL_CreateCond();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
326 ym_cond = SDL_CreateCond();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
327 audio_ready = SDL_CreateCond();
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
328
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
329 SDL_AudioSpec desired, actual;
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 746
diff changeset
330 char * rate_str = tern_find_path(config, "audio\0rate\0").ptrval;
445
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
331 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
332 if (!rate) {
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
333 rate = 48000;
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
334 }
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
335 desired.freq = rate;
449
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
336 desired.format = AUDIO_S16SYS;
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
337 desired.channels = 2;
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 746
diff changeset
338 char * samples_str = tern_find_path(config, "audio\0buffer\0").ptrval;
445
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
339 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
340 if (!samples) {
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
341 samples = 512;
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
342 }
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
343 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
344 desired.samples = samples*2;
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
345 desired.callback = audio_callback;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
346 desired.userdata = NULL;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
347
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
348 if (SDL_OpenAudio(&desired, &actual) < 0) {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
349 fprintf(stderr, "Unable to open SDL audio: %s\n", SDL_GetError());
655
38006d43f5a3 Avoid calling atexit(SDL_Quit) until after OpenGL initialization to avoid a segfault on exit when using fglrx
Michael Pavone <pavone@retrodev.com>
parents: 622
diff changeset
350 SDL_Quit();
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
351 exit(1);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
352 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
353 buffer_samples = actual.samples;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
354 sample_rate = actual.freq;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
355 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
356 SDL_PauseAudio(0);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
357 num_joysticks = SDL_NumJoysticks();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
358 if (num_joysticks > MAX_JOYSTICKS) {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
359 num_joysticks = MAX_JOYSTICKS;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
360 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
361 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
362 SDL_Joystick * joy = joysticks[i] = SDL_JoystickOpen(i);
719
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
363 printf("Joystick %d: %s\n", i, SDL_JoystickName(joy));
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
364 if (joy) {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
365 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
366 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
367 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
368 SDL_JoystickEventState(SDL_ENABLE);
655
38006d43f5a3 Avoid calling atexit(SDL_Quit) until after OpenGL initialization to avoid a segfault on exit when using fglrx
Michael Pavone <pavone@retrodev.com>
parents: 622
diff changeset
369
797
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
370 atexit(render_quit);
449
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
371 }
719
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
372
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
373 void render_context(vdp_context * context)
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
374 {
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
375 int width = context->regs[REG_MODE_4] & BIT_H40 ? 320.0f : 256.0f;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
376 int height = 240;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
377
719
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
378 last_frame = SDL_GetTicks();
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
379 #ifdef DISABLE_OPENGL
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
380 SDL_Rect area;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
381
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
382 area.x = area.y = 0;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
383 area.w = width;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
384 area.h = height;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
385
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
386 if (context->regs[REG_MODE_4] & BIT_INTERLACE)
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
387 {
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
388 unsigned skip;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
389 uint32_t *src = (uint32_t*)context->framebuf;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
390 uint8_t *dst;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
391 int i;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
392
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
393 area.h *= 2;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
394
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
395 SDL_LockTexture(main_texture, &area, (void**)&dst, &skip);
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
396
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
397 if (context->framebuf == context->evenbuf)
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
398 dst += skip;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
399
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
400 skip *= 2;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
401
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
402 for (i = 0; i < 240; ++i)
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
403 {
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
404 memcpy(dst, src, width*sizeof(uint32_t));
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
405 src += 320;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
406 dst += skip;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
407 }
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
408
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
409 SDL_UnlockTexture(main_texture);
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
410 }
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
411 else /* possibly faster path for non-interlaced output */
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
412 SDL_UpdateTexture(main_texture, &area, context->framebuf, 320*sizeof(uint32_t));
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
413
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
414 SDL_RenderClear(main_renderer);
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
415 SDL_RenderCopy(main_renderer, main_texture, &area, &main_clip);
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
416 SDL_RenderPresent(main_renderer);
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
417 #else
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
418 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
419 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
420
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
421 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
422 glClear(GL_COLOR_BUFFER_BIT);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
423
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
424 glUseProgram(program);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
425 glActiveTexture(GL_TEXTURE0);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
426 glBindTexture(GL_TEXTURE_2D, textures[0]);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
427 glUniform1i(un_textures[0], 0);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
428
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
429 glActiveTexture(GL_TEXTURE1);
489
e97b80e3bd76 Support interlace mode with OpenGL backend
Mike Pavone <pavone@retrodev.com>
parents: 488
diff changeset
430 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
431 glUniform1i(un_textures[1], 1);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
432
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
433 glUniform1f(un_width, width);
505
b7b7a1cab44a The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents: 502
diff changeset
434
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
435 glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
436 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
437 glEnableVertexAttribArray(at_pos);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
438
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
439 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[1]);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
440 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
441
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
442 glDisableVertexAttribArray(at_pos);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
443
719
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
444 SDL_GL_SwapWindow(main_window);
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
445 #endif
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
446 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
447 {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
448 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
449 }
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
450 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
451
418
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
452 int render_joystick_num_buttons(int joystick)
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
453 {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
454 if (joystick >= num_joysticks) {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
455 return 0;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
456 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
457 return SDL_JoystickNumButtons(joysticks[joystick]);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
458 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
459
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
460 int render_joystick_num_hats(int joystick)
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
461 {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
462 if (joystick >= num_joysticks) {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
463 return 0;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
464 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
465 return SDL_JoystickNumHats(joysticks[joystick]);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
466 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
467
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
468 void render_wait_quit(vdp_context * context)
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
469 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
470 SDL_Event event;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
471 while(SDL_WaitEvent(&event)) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
472 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
473 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
474 if (event.key.keysym.sym == SDLK_LEFTBRACKET) {
55
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
475 render_dbg++;
135
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
476 if (render_dbg == 4) {
55
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
477 render_dbg = 0;
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
478 }
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
479 render_context(context);
135
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
480 } else if(event.key.keysym.sym == SDLK_RIGHTBRACKET) {
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
481 debug_pal++;
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
482 if (debug_pal == 4) {
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
483 debug_pal = 0;
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
484 }
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
485 }
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
486 break;
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
487 case SDL_QUIT:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
488 return;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
489 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
490 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
491 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
492
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
493 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
494 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
495 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
496 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
497 }
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
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 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
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 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
503 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
504 }
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 }
66
7a22a0e6c004 Gamepad support
Mike Pavone <pavone@retrodev.com>
parents: 64
diff changeset
506
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
507 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
508 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
509 switch (event->type) {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
510 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
511 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
512 break;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
513 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
514 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
515 break;
418
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
516 case SDL_JOYBUTTONDOWN:
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
517 handle_joydown(event->jbutton.which, event->jbutton.button);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
518 break;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
519 case SDL_JOYBUTTONUP:
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
520 handle_joyup(event->jbutton.which, event->jbutton.button);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
521 break;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
522 case SDL_JOYHATMOTION:
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
523 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
524 break;
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
525 case SDL_QUIT:
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
526 puts("");
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
527 exit(0);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
528 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
529 return 0;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
530 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
531
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
532 char * fps_caption = NULL;
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
533
63
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
534 uint32_t frame_counter = 0;
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
535 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
536 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
537 {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
538 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
539 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
540 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
541 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
542 }
338
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
543 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
544 //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
545 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
546 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
547 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
548 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
549 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
550 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
551 }
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
552 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
553 }
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
554 }
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 }
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
556 render_context(context);
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
557
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
558 frame_counter++;
63
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
559 if ((last_frame - start) > 1000) {
272
9b04b57434b5 Implement LDI
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
560 if (start && (last_frame-start)) {
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
561 if (!fps_caption) {
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
562 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
563 }
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
564 sprintf(fps_caption, "%s - %.1f fps", caption, ((float)frame_counter) / (((float)(last_frame-start)) / 1000.0));
719
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
565 SDL_SetWindowTitle(main_window, fps_caption);
63
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
566 }
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
567 start = last_frame;
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
568 frame_counter = 0;
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
569 }
198
209a37eed3e7 Add support for breaking into the debugger while game is running
Mike Pavone <pavone@retrodev.com>
parents: 135
diff changeset
570 return ret;
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
571 }
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
572
409
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
573 void process_events()
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
574 {
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
575 SDL_Event event;
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
576 while(SDL_PollEvent(&event)) {
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
577 handle_event(&event);
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
578 }
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
579 }
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
580
364
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
581 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
582 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
583 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
584 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
585 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
586 }
364
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
587 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
588 SDL_CondSignal(audio_ready);
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 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
591 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
592 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
593 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
594 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
595
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
596 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
597 {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
598 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
599 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
600 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
601 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
602 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
603 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
604
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
605 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
606 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
607 SDL_UnlockMutex(audio_mutex);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
608 context->buffer_pos = 0;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
609 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
610
342
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
611 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
612 {
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
613 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
614 }
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
615
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
616 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
617 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
618 return buffer_samples;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
619 }
342
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
620
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
621 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
622 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
623 return sample_rate;
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
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
626