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annotate render_sdl.c @ 496:6fc71114d145

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Extract function to determine executable directory from load_config so it can be used elsewhere
author Mike Pavone <pavone@retrodev.com>
date Mon, 28 Oct 2013 21:48:46 -0700
parents 39cad98d2789
children 0820a71b80f3
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 "render.h"
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9 #include "blastem.h"
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10 #include "io.h"
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11
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12 #ifndef DISABLE_OPENGL
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13 #include <GL/glew.h>
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14 #endif
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15
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16 SDL_Surface *screen;
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17 uint8_t render_dbg = 0;
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18 uint8_t debug_pal = 0;
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19 uint8_t render_gl;
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20
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21 uint32_t last_frame = 0;
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22
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23 uint32_t min_delay;
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24 uint32_t frame_delay = 1000/60;
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25
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26 int16_t * current_psg = NULL;
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27 int16_t * current_ym = NULL;
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29 uint32_t buffer_samples, sample_rate;
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30 uint32_t missing_count;
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31
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32 SDL_mutex * audio_mutex;
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33 SDL_cond * audio_ready;
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34 SDL_cond * psg_cond;
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35 SDL_cond * ym_cond;
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36 uint8_t quitting = 0;
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37
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38 void audio_callback(void * userdata, uint8_t *byte_stream, int len)
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39 {
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40 //puts("audio_callback");
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41 int16_t * stream = (int16_t *)byte_stream;
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42 int samples = len/(sizeof(int16_t)*2);
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43 int16_t * psg_buf, * ym_buf;
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44 uint8_t local_quit;
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45 SDL_LockMutex(audio_mutex);
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46 psg_buf = NULL;
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47 ym_buf = NULL;
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48 do {
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49 if (!psg_buf) {
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50 psg_buf = current_psg;
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51 current_psg = NULL;
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52 SDL_CondSignal(psg_cond);
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53 }
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54 if (!ym_buf) {
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55 ym_buf = current_ym;
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56 current_ym = NULL;
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57 SDL_CondSignal(ym_cond);
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58 }
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59 if (!quitting && (!psg_buf || !ym_buf)) {
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60 SDL_CondWait(audio_ready, audio_mutex);
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61 }
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62 } while(!quitting && (!psg_buf || !ym_buf));
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63
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64 local_quit = quitting;
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65 SDL_UnlockMutex(audio_mutex);
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66 if (!local_quit) {
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67 for (int i = 0; i < samples; i++) {
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68 *(stream++) = psg_buf[i] + *(ym_buf++);
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69 *(stream++) = psg_buf[i] + *(ym_buf++);
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70 }
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71 }
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72 }
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73
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74 void render_close_audio()
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75 {
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76 SDL_LockMutex(audio_mutex);
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77 quitting = 1;
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78 SDL_CondSignal(audio_ready);
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79 SDL_UnlockMutex(audio_mutex);
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80 SDL_CloseAudio();
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81 }
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82
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83 SDL_Joystick * joysticks[MAX_JOYSTICKS];
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84 int num_joysticks;
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85
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86 int render_num_joysticks()
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87 {
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88 return num_joysticks;
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89 }
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90
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91 uint32_t render_map_color(uint8_t r, uint8_t g, uint8_t b)
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92 {
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93 if (render_gl) {
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94 return 255 << 24 | r << 16 | g << 8 | b;
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95 } else {
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96 return SDL_MapRGB(screen->format, r, g, b);
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97 }
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98 }
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99
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100 #ifndef DISABLE_OPENGL
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101 GLuint textures[3], buffers[2], vshader, fshader, program, un_textures[2], at_pos;
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102
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103 const GLfloat vertex_data[] = {
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104 -1.0f, -1.0f,
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105 1.0f, -1.0f,
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106 -1.0f, 1.0f,
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107 1.0f, 1.0f
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108 };
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109
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110 const GLushort element_data[] = {0, 1, 2, 3};
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111
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112 GLuint load_shader(char * fname, GLenum shader_type)
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113 {
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114 FILE * f = fopen(fname, "r");
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115 if (!f) {
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116 fprintf(stderr, "Failed to open shader file %s for reading\n", fname);
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117 return 0;
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118 }
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119 fseek(f, 0, SEEK_END);
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120 long fsize = ftell(f);
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121 fseek(f, 0, SEEK_SET);
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122 GLchar * text = malloc(fsize);
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123 if (fread(text, 1, fsize, f) != fsize) {
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124 fprintf(stderr, "Error reading from shader file %s\n", fname);
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125 free(text);
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126 return 0;
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127 }
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128 GLuint ret = glCreateShader(shader_type);
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129 glShaderSource(ret, 1, (const GLchar **)&text, (const GLint *)&fsize);
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130 free(text);
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131 glCompileShader(ret);
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132 GLint compile_status, loglen;
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133 glGetShaderiv(ret, GL_COMPILE_STATUS, &compile_status);
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134 if (!compile_status) {
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135 fprintf(stderr, "Shader %s failed to compile\n", fname);
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136 glGetShaderiv(ret, GL_INFO_LOG_LENGTH, &loglen);
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137 text = malloc(loglen);
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138 glGetShaderInfoLog(ret, loglen, NULL, text);
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diff changeset
139 fputs(text, stderr);
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 glDeleteShader(ret);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
142 return 0;
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
143 }
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
144 return ret;
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
145 }
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
146 #endif
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
147
449
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
148 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
149 {
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
150 #ifndef DISABLE_OPENGL
449
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
151 if (render_gl) {
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
152 context->oddbuf = context->framebuf = malloc(320 * 240 * 4 * 2);
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
153 memset(context->oddbuf, 0, 320 * 240 * 4 * 2);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
154 context->evenbuf = ((char *)context->oddbuf) + 320 * 240 * 4;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
155 glGenTextures(3, textures);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
156 for (int i = 0; i < 3; i++)
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
157 {
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
158 glBindTexture(GL_TEXTURE_2D, textures[i]);
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
159 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
160 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
161 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
162 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
163 if (i < 2) {
487
c08a4efeee7f Update opengl branch from default. Fix build breakage unrelated to merge
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parents: 449 486
diff changeset
164 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
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parents: 426
diff changeset
165 } else {
489
e97b80e3bd76 Support interlace mode with OpenGL backend
Mike Pavone <pavone@retrodev.com>
parents: 488
diff changeset
166 uint32_t blank = 255 << 24;
449
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
167 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
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parents: 426
diff changeset
168 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
169 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
170 glGenBuffers(2, buffers);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
171 glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
172 glBufferData(GL_ARRAY_BUFFER, sizeof(vertex_data), vertex_data, GL_STATIC_DRAW);
488
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
173 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[1]);
449
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
174 glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(element_data), element_data, GL_STATIC_DRAW);
488
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
175 vshader = load_shader("default.v.glsl", GL_VERTEX_SHADER);
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
176 fshader = load_shader("default.f.glsl", GL_FRAGMENT_SHADER);
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
177 program = glCreateProgram();
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
178 glAttachShader(program, vshader);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
179 glAttachShader(program, fshader);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
180 glLinkProgram(program);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
181 GLint link_status;
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
182 glGetProgramiv(program, GL_LINK_STATUS, &link_status);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
183 if (!link_status) {
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
184 fputs("Failed to link shader program\n", stderr);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
185 exit(1);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
186 }
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
187 un_textures[0] = glGetUniformLocation(program, "textures[0]");
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
188 un_textures[1] = glGetUniformLocation(program, "textures[1]");
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
189 at_pos = glGetAttribLocation(program, "pos");
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
190 } 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
191 #endif
449
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
192 context->oddbuf = context->framebuf = malloc(320 * 240 * screen->format->BytesPerPixel * 2);
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
193 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
194 #ifndef DISABLE_OPENGL
449
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
195 }
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
196 #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
197 }
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
198
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
199 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
200 {
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
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parents: 421
diff changeset
201 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
202 }
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
203
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
204 char * caption = NULL;
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
205
487
c08a4efeee7f Update opengl branch from default. Fix build breakage unrelated to merge
Mike Pavone <pavone@retrodev.com>
parents: 449 486
diff changeset
206 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
207 {
418
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
208 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
209 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
210 exit(1);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
211 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
212 atexit(SDL_Quit);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
213 atexit(render_close_audio);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
214 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
215 uint32_t flags = SDL_ANYFORMAT;
488
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
216
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
217 #ifndef DISABLE_OPENGL
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
218 if (use_gl)
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
219 {
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
220 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
221 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
222 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
223 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
224 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
225 flags = SDL_OPENGL;
490
c8e65962bfed Enable fullscreen mode in OpenGL renderer
Mike Pavone <pavone@retrodev.com>
parents: 489
diff changeset
226 if (fullscreen) {
c8e65962bfed Enable fullscreen mode in OpenGL renderer
Mike Pavone <pavone@retrodev.com>
parents: 489
diff changeset
227 flags |= SDL_FULLSCREEN;
c8e65962bfed Enable fullscreen mode in OpenGL renderer
Mike Pavone <pavone@retrodev.com>
parents: 489
diff changeset
228 }
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
229 } else {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
230 #else
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
231 {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
232 #endif
487
c08a4efeee7f Update opengl branch from default. Fix build breakage unrelated to merge
Mike Pavone <pavone@retrodev.com>
parents: 449 486
diff changeset
233 if (fullscreen) {
c08a4efeee7f Update opengl branch from default. Fix build breakage unrelated to merge
Mike Pavone <pavone@retrodev.com>
parents: 449 486
diff changeset
234 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
235 } else {
c08a4efeee7f Update opengl branch from default. Fix build breakage unrelated to merge
Mike Pavone <pavone@retrodev.com>
parents: 449 486
diff changeset
236 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
237 }
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
238 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
239 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
240 if (!screen) {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
241 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
242 exit(1);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
243 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
244 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
245 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
246 exit(1);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
247 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
248 #ifndef DISABLE_OPENGL
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
249 //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
250 if (use_gl)
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
251 {
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
252 GLenum res = glewInit();
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
253 if (res != GLEW_OK)
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
254 {
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
255 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
256 exit(1);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
257 }
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
258 if (!GLEW_VERSION_2_0)
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
259 {
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
260 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
261 exit(1);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
262 }
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
263 }
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
264 render_gl = use_gl;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
265 #endif
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
266 SDL_WM_SetCaption(title, title);
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
267 caption = title;
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
268 min_delay = 0;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
269 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
270 uint32_t start = SDL_GetTicks();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
271 SDL_Delay(1);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
272 uint32_t delay = SDL_GetTicks()-start;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
273 if (delay > min_delay) {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
274 min_delay = delay;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
275 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
276 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
277 if (!min_delay) {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
278 min_delay = 1;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
279 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
280 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
281
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
282 frame_delay = 1000/fps;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
283
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
284 audio_mutex = SDL_CreateMutex();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
285 psg_cond = SDL_CreateCond();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
286 ym_cond = SDL_CreateCond();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
287 audio_ready = SDL_CreateCond();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
288
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
289 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
290 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
291 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
292 if (!rate) {
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
293 rate = 48000;
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
294 }
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
295 desired.freq = rate;
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
296 desired.format = AUDIO_S16SYS;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
297 desired.channels = 2;
445
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
298 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
299 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
300 if (!samples) {
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
301 samples = 512;
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
302 }
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
303 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
304 desired.samples = samples*2;
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
305 desired.callback = audio_callback;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
306 desired.userdata = NULL;
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 if (SDL_OpenAudio(&desired, &actual) < 0) {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
309 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
310 exit(1);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
311 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
312 buffer_samples = actual.samples;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
313 sample_rate = actual.freq;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
314 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
315 SDL_PauseAudio(0);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
316 num_joysticks = SDL_NumJoysticks();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
317 if (num_joysticks > MAX_JOYSTICKS) {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
318 num_joysticks = MAX_JOYSTICKS;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
319 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
320 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
321 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
322 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
323 if (joy) {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
324 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
325 }
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 SDL_JoystickEventState(SDL_ENABLE);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
328 }
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
329 #ifndef DISABLE_OPENGL
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
330 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
331 {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
332 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
333 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
334
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
335 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
336 glClear(GL_COLOR_BUFFER_BIT);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
337
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
338 glUseProgram(program);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
339 glActiveTexture(GL_TEXTURE0);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
340 glBindTexture(GL_TEXTURE_2D, textures[0]);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
341 glUniform1i(un_textures[0], 0);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
342
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
343 glActiveTexture(GL_TEXTURE1);
489
e97b80e3bd76 Support interlace mode with OpenGL backend
Mike Pavone <pavone@retrodev.com>
parents: 488
diff changeset
344 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
345 glUniform1i(un_textures[1], 1);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
346
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
347 glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
348 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
349 glEnableVertexAttribArray(at_pos);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
350
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
351 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[1]);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
352 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
353
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
354 glDisableVertexAttribArray(at_pos);
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
355
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
356 SDL_GL_SwapBuffers();
489
e97b80e3bd76 Support interlace mode with OpenGL backend
Mike Pavone <pavone@retrodev.com>
parents: 488
diff changeset
357 if (context->regs[REG_MODE_4] & BIT_INTERLACE)
e97b80e3bd76 Support interlace mode with OpenGL backend
Mike Pavone <pavone@retrodev.com>
parents: 488
diff changeset
358 {
e97b80e3bd76 Support interlace mode with OpenGL backend
Mike Pavone <pavone@retrodev.com>
parents: 488
diff changeset
359 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
360 }
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
361 }
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
362 #endif
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
363
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
364 uint32_t blankbuf[320*240];
413
36fbbced25c2 Initial work on interlace
Mike Pavone <pavone@retrodev.com>
parents: 409
diff changeset
365
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
366 void render_context(vdp_context * context)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
367 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
368 uint16_t *buf_16;
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
369 uint32_t *buf_32;
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
370 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
371 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
372 #ifndef DISABLE_OPENGL
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
373 if (render_gl)
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
374 {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
375 render_context_gl(context);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
376 return;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
377 }
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
378 #endif
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
379 if (SDL_MUSTLOCK(screen)) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
380 if (SDL_LockSurface(screen) < 0) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
381 return;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
382 }
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
383 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
384 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
385 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
386 if (repeat_x > repeat_y) {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
387 repeat_x = repeat_y;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
388 } else {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
389 repeat_y = repeat_x;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
390 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
391 int othermask = repeat_y >> 1;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
392
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
393 if (screen->format->BytesPerPixel == 2) {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
394 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
395 uint16_t * oddbuf = context->oddbuf;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
396 buf_16 = (uint16_t *)screen->pixels;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
397 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
398 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
399 uint16_t *line = buf_16;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
400 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
401 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
402 uint16_t color = *(src_line++);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
403 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
404 *(line++) = color;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
405 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
406 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
407 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
408 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
409 } else {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
410 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
411 uint32_t * oddbuf = context->oddbuf;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
412 buf_32 = (uint32_t *)screen->pixels;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
413 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
414 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
415 uint32_t *line = buf_32;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
416 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
417 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
418 uint32_t color = *(src_line++);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
419 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
420 *(line++) = color;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
421 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
422 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
423 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
424 }
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 if ( SDL_MUSTLOCK(screen) ) {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
427 SDL_UnlockSurface(screen);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
428 }
444
cc754a309ead Add fullscreen support and add a keybinding for exiting the emulator
Mike Pavone <pavone@retrodev.com>
parents: 432
diff changeset
429 //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
430 SDL_Flip(screen);
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
431 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
432 {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
433 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
434 }
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
435 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
436
418
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
437 int render_joystick_num_buttons(int joystick)
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
438 {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
439 if (joystick >= num_joysticks) {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
440 return 0;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
441 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
442 return SDL_JoystickNumButtons(joysticks[joystick]);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
443 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
444
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
445 int render_joystick_num_hats(int joystick)
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
446 {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
447 if (joystick >= num_joysticks) {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
448 return 0;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
449 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
450 return SDL_JoystickNumHats(joysticks[joystick]);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
451 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
452
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
453 void render_wait_quit(vdp_context * context)
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 SDL_Event event;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
456 while(SDL_WaitEvent(&event)) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
457 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
458 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
459 if (event.key.keysym.sym == SDLK_LEFTBRACKET) {
55
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
460 render_dbg++;
135
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
461 if (render_dbg == 4) {
55
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
462 render_dbg = 0;
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
463 }
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
464 render_context(context);
135
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
465 } else if(event.key.keysym.sym == SDLK_RIGHTBRACKET) {
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
466 debug_pal++;
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
467 if (debug_pal == 4) {
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
468 debug_pal = 0;
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
469 }
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
470 }
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
471 break;
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
472 case SDL_QUIT:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
473 return;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
474 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
475 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
476 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
477
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
478 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
479 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
480 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
481 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
482 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
483 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
484
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
485 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
486 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
487 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
488 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
489 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
490 }
66
7a22a0e6c004 Gamepad support
Mike Pavone <pavone@retrodev.com>
parents: 64
diff changeset
491
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
492 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
493 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
494 switch (event->type) {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
495 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
496 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
497 break;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
498 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
499 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
500 break;
418
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
501 case SDL_JOYBUTTONDOWN:
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
502 handle_joydown(event->jbutton.which, event->jbutton.button);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
503 break;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
504 case SDL_JOYBUTTONUP:
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
505 handle_joyup(event->jbutton.which, event->jbutton.button);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
506 break;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
507 case SDL_JOYHATMOTION:
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
508 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
509 break;
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
510 case SDL_QUIT:
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
511 puts("");
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
512 exit(0);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
513 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
514 return 0;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
515 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
516
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
517 char * fps_caption = NULL;
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
518
63
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
519 uint32_t frame_counter = 0;
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
520 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
521 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
522 {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
523 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
524 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
525 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
526 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
527 }
338
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
528 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
529 //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
530 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
531 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
532 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
533 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
534 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
535 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
536 }
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
537 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
538 }
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
539 }
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 }
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
541 render_context(context);
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
542
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
543
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
544 //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
545 frame_counter++;
63
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
546 if ((last_frame - start) > 1000) {
272
9b04b57434b5 Implement LDI
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
547 if (start && (last_frame-start)) {
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
548 if (!fps_caption) {
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
549 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
550 }
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
551 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
552 SDL_WM_SetCaption(fps_caption, caption);
63
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
553 fflush(stdout);
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
554 }
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
555 start = last_frame;
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
556 frame_counter = 0;
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
557 }
198
209a37eed3e7 Add support for breaking into the debugger while game is running
Mike Pavone <pavone@retrodev.com>
parents: 135
diff changeset
558 return ret;
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
559 }
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
560
409
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
561 void process_events()
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
562 {
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
563 SDL_Event event;
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
564 while(SDL_PollEvent(&event)) {
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
565 handle_event(&event);
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
566 }
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
567 }
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
568
364
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
569 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
570 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
571 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
572 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
573 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
574 }
364
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
575 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
576 SDL_CondSignal(audio_ready);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
577
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
578 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
579 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
580 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
581 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
582 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
583
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
584 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
585 {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
586 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
587 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
588 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
589 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
590 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
591 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
592
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
593 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
594 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
595 SDL_UnlockMutex(audio_mutex);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
596 context->buffer_pos = 0;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
597 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
598
342
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
599 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
600 {
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
601 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
602 }
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
603
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
604 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
605 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
606 return buffer_samples;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
607 }
342
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
608
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
609 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
610 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
611 return sample_rate;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
612 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
613
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
614