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annotate render_sdl.c @ 799:0b692b5d154b

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Merge
author Michael Pavone <pavone@retrodev.com>
date Sun, 26 Jul 2015 13:25:31 -0700
parents 062a2199daf6 724bbec47f86
children ec23202df6a6
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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 #ifndef DISABLE_OPENGL
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16 #include <GL/glew.h>
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17 #endif
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18
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19 SDL_Window *main_window;
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20 SDL_Renderer *main_renderer;
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21 SDL_Texture *main_texture;
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22 SDL_Rect main_clip;
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23 SDL_GLContext *main_context;
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24
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25 uint8_t render_dbg = 0;
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26 uint8_t debug_pal = 0;
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27 uint8_t render_gl = 1;
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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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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 #ifndef DISABLE_OPENGL
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105 GLuint textures[3], buffers[2], vshader, fshader, program, un_textures[2], un_width, at_pos;
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106
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107 GLfloat vertex_data[] = {
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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 1.0f, 1.0f
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112 };
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113
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114 const GLushort element_data[] = {0, 1, 2, 3};
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115
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116 GLuint load_shader(char * fname, GLenum shader_type)
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117 {
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118 char * parts[] = {get_home_dir(), "/.config/blastem/shaders/", fname};
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119 char * shader_path = alloc_concat_m(3, parts);
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120 FILE * f = fopen(shader_path, "r");
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121 free(shader_path);
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122 if (!f) {
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123 parts[0] = get_exe_dir();
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124 parts[1] = "/shaders/";
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125 shader_path = alloc_concat_m(3, parts);
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126 f = fopen(shader_path, "r");
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127 free(shader_path);
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128 if (!f) {
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diff changeset
129 fprintf(stderr, "Failed to open shader file %s for reading\n", fname);
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diff changeset
130 return 0;
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parents: 495
diff changeset
131 }
488
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diff changeset
132 }
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
133 long fsize = file_size(f);
488
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parents: 487
diff changeset
134 GLchar * text = malloc(fsize);
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parents: 487
diff changeset
135 if (fread(text, 1, fsize, f) != fsize) {
32f053ad9b02 Basic OpenGL rendering is working
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diff changeset
136 fprintf(stderr, "Error reading from shader file %s\n", fname);
32f053ad9b02 Basic OpenGL rendering is working
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diff changeset
137 free(text);
32f053ad9b02 Basic OpenGL rendering is working
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diff changeset
138 return 0;
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
139 }
32f053ad9b02 Basic OpenGL rendering is working
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diff changeset
140 GLuint ret = glCreateShader(shader_type);
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diff changeset
141 glShaderSource(ret, 1, (const GLchar **)&text, (const GLint *)&fsize);
32f053ad9b02 Basic OpenGL rendering is working
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diff changeset
142 free(text);
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
143 glCompileShader(ret);
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
144 GLint compile_status, loglen;
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parents: 487
diff changeset
145 glGetShaderiv(ret, GL_COMPILE_STATUS, &compile_status);
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parents: 487
diff changeset
146 if (!compile_status) {
32f053ad9b02 Basic OpenGL rendering is working
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diff changeset
147 fprintf(stderr, "Shader %s failed to compile\n", fname);
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diff changeset
148 glGetShaderiv(ret, GL_INFO_LOG_LENGTH, &loglen);
32f053ad9b02 Basic OpenGL rendering is working
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diff changeset
149 text = malloc(loglen);
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diff changeset
150 glGetShaderInfoLog(ret, loglen, NULL, text);
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parents: 487
diff changeset
151 fputs(text, stderr);
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diff changeset
152 free(text);
32f053ad9b02 Basic OpenGL rendering is working
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diff changeset
153 glDeleteShader(ret);
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diff changeset
154 return 0;
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parents: 487
diff changeset
155 }
32f053ad9b02 Basic OpenGL rendering is working
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diff changeset
156 return ret;
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parents: 487
diff changeset
157 }
798
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diff changeset
158 #endif
488
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diff changeset
159
449
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diff changeset
160 void render_alloc_surfaces(vdp_context * context)
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diff changeset
161 {
719
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diff changeset
162 context->oddbuf = context->framebuf = malloc(512 * 256 * 4 * 2);
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diff changeset
163 memset(context->oddbuf, 0, 512 * 256 * 4 * 2);
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diff changeset
164 context->evenbuf = ((char *)context->oddbuf) + 512 * 256 * 4;
797
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165
798
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diff changeset
166 #ifndef DISABLE_OPENGL
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diff changeset
167 if (render_gl) {
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diff changeset
168 glGenTextures(3, textures);
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parents: 797
diff changeset
169 for (int i = 0; i < 3; i++)
062a2199daf6 Use SDL2 renderer as a fallback
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diff changeset
170 {
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diff changeset
171 glBindTexture(GL_TEXTURE_2D, textures[i]);
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diff changeset
172 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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diff changeset
173 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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parents: 797
diff changeset
174 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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diff changeset
175 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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parents: 797
diff changeset
176 if (i < 2) {
062a2199daf6 Use SDL2 renderer as a fallback
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diff changeset
177 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 512, 256, 0, GL_BGRA, GL_UNSIGNED_BYTE, i ? context->evenbuf : context->oddbuf);
062a2199daf6 Use SDL2 renderer as a fallback
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diff changeset
178 } else {
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
179 uint32_t blank = 255 << 24;
062a2199daf6 Use SDL2 renderer as a fallback
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diff changeset
180 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 1, 1, 0, GL_BGRA, GL_UNSIGNED_BYTE, &blank);
062a2199daf6 Use SDL2 renderer as a fallback
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diff changeset
181 }
449
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diff changeset
182 }
798
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diff changeset
183 glGenBuffers(2, buffers);
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diff changeset
184 glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);
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diff changeset
185 glBufferData(GL_ARRAY_BUFFER, sizeof(vertex_data), vertex_data, GL_STATIC_DRAW);
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diff changeset
186 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[1]);
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diff changeset
187 glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(element_data), element_data, GL_STATIC_DRAW);
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diff changeset
188 tern_val def = {.ptrval = "default.v.glsl"};
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parents: 797
diff changeset
189 vshader = load_shader(tern_find_path_default(config, "video\0vertex_shader\0", def).ptrval, GL_VERTEX_SHADER);
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diff changeset
190 def.ptrval = "default.f.glsl";
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diff changeset
191 fshader = load_shader(tern_find_path_default(config, "video\0fragment_shader\0", def).ptrval, GL_FRAGMENT_SHADER);
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parents: 797
diff changeset
192 program = glCreateProgram();
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diff changeset
193 glAttachShader(program, vshader);
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diff changeset
194 glAttachShader(program, fshader);
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diff changeset
195 glLinkProgram(program);
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parents: 797
diff changeset
196 GLint link_status;
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parents: 797
diff changeset
197 glGetProgramiv(program, GL_LINK_STATUS, &link_status);
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
198 if (!link_status) {
062a2199daf6 Use SDL2 renderer as a fallback
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diff changeset
199 fputs("Failed to link shader program\n", stderr);
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diff changeset
200 exit(1);
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parents: 797
diff changeset
201 }
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
202 un_textures[0] = glGetUniformLocation(program, "textures[0]");
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parents: 797
diff changeset
203 un_textures[1] = glGetUniformLocation(program, "textures[1]");
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
204 un_width = glGetUniformLocation(program, "width");
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parents: 797
diff changeset
205 at_pos = glGetAttribLocation(program, "pos");
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parents: 797
diff changeset
206 } else {
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
207 #endif
797
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diff changeset
208 /* height=480 to fit interlaced output */
798
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diff changeset
209 main_texture = SDL_CreateTexture(main_renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, 320, 480);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
210 #ifndef DISABLE_OPENGL
449
7696d824489d Started work on OpenGL support in new branch
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diff changeset
211 }
797
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
212 #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
213 }
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering
Mike Pavone <pavone@retrodev.com>
parents: 421
diff changeset
214
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
215 char * caption = NULL;
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
216
797
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diff changeset
217 static void render_quit()
65181c3ee560 Add pure SDL2 renderer
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diff changeset
218 {
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
219 render_close_audio();
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=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
220 #ifdef DISABLE_OPENGL
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
221 SDL_DestroyTexture(main_texture);
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
222 #endif
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diff changeset
223 }
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
224
719
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parents: 655
diff changeset
225 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
226 {
418
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
227 if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_JOYSTICK) < 0) {
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
228 fatal_error("Unable to init SDL: %s\n", SDL_GetError());
449
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
229 }
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
230 atexit(SDL_Quit);
449
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
231 printf("width: %d, height: %d\n", width, height);
488
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diff changeset
232
797
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diff changeset
233 uint32_t flags = 0;
65181c3ee560 Add pure SDL2 renderer
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diff changeset
234
719
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diff changeset
235 if (fullscreen) {
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
236 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
237 SDL_DisplayMode mode;
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
238 //TODO: Multiple monitor support
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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diff changeset
239 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
240 //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
241 //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
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parents: 655
diff changeset
242 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
243 height = mode.h;
449
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
244 }
797
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diff changeset
245
798
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diff changeset
246 render_gl = 0;
797
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diff changeset
247
798
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parents: 797
diff changeset
248 #ifndef DISABLE_OPENGL
797
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parents: 766
diff changeset
249 flags |= SDL_WINDOW_OPENGL;
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
250 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
251 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
252 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
253 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 0);
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
254 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
719
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
255 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
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
256 if (!main_window) {
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
257 fatal_error("Unable to create SDL window: %s\n", SDL_GetError());
449
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
258 }
719
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parents: 655
diff changeset
259 main_context = SDL_GL_CreateContext(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
260 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
261 if (res != GLEW_OK) {
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
262 fprintf(stderr, "Initialization of GLEW failed with code %d\n", res);
798
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
263 }
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parents: 797
diff changeset
264
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diff changeset
265 if (GLEW_VERSION_2_0) {
062a2199daf6 Use SDL2 renderer as a fallback
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diff changeset
266 render_gl = 1;
449
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parents: 426
diff changeset
267 }
798
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diff changeset
268 else {
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diff changeset
269 SDL_DestroyWindow(main_window);
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diff changeset
270 fputs("OpenGL 2.0 is unavailable, falling back to SDL2 renderer\n", stderr);
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diff changeset
271 #endif
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diff changeset
272 SDL_CreateWindowAndRenderer(width, height, flags, &main_window, &main_renderer);
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diff changeset
273
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diff changeset
274 if (!main_window || !main_renderer) {
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diff changeset
275 fprintf(stderr, "unable to create SDL window: %s\n", SDL_GetError());
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
276 SDL_Quit();
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diff changeset
277 exit(1);
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diff changeset
278 }
062a2199daf6 Use SDL2 renderer as a fallback
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diff changeset
279 main_clip.x = main_clip.y = 0;
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diff changeset
280 main_clip.w = width;
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
281 main_clip.h = height;
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diff changeset
282 #ifndef DISABLE_OPENGL
719
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parents: 655
diff changeset
283 }
797
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parents: 766
diff changeset
284 #endif
798
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diff changeset
285
797
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parents: 766
diff changeset
286 SDL_GetWindowSize(main_window, &width, &height);
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
287 printf("Window created with size: %d x %d\n", width, height);
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
288 float src_aspect = 4.0/3.0;
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
289 float aspect = (float)width / height;
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 746
diff changeset
290 tern_val def = {.ptrval = "normal"};
797
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
291 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
292
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
293 if (!stretch) {
798
062a2199daf6 Use SDL2 renderer as a fallback
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diff changeset
294 #ifndef DISABLE_OPENGL
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
295 if (render_gl) {
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
296 for (int i = 0; i < 4; i++)
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
297 {
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
298 if (aspect > src_aspect) {
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
299 vertex_data[i*2] *= src_aspect/aspect;
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diff changeset
300 } else {
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
301 vertex_data[i*2+1] *= aspect/src_aspect;
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diff changeset
302 }
500
251fe7a75a14 Preserve aspect ratio unless config file says otherwise
Mike Pavone <pavone@retrodev.com>
parents: 498
diff changeset
303 }
798
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diff changeset
304 } else {
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
305 #endif
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diff changeset
306 float scale_x = (float)width / 320.0;
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parents: 797
diff changeset
307 float scale_y = (float)height / 240.0;
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
308 float scale = scale_x > scale_y ? scale_y : scale_x;
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
309 main_clip.w = 320.0 * scale;
062a2199daf6 Use SDL2 renderer as a fallback
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diff changeset
310 main_clip.h = 240.0 * scale;
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
311 main_clip.x = (width - main_clip.w) / 2;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
312 main_clip.y = (height - main_clip.h) / 2;
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
313 #ifndef DISABLE_OPENGL
500
251fe7a75a14 Preserve aspect ratio unless config file says otherwise
Mike Pavone <pavone@retrodev.com>
parents: 498
diff changeset
314 }
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
315 #endif
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
316 }
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
317
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
318 caption = title;
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
319 min_delay = 0;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
320 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
321 uint32_t start = SDL_GetTicks();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
322 SDL_Delay(1);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
323 uint32_t delay = SDL_GetTicks()-start;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
324 if (delay > min_delay) {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
325 min_delay = delay;
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 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
328 if (!min_delay) {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
329 min_delay = 1;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
330 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
331 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
332
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
333 frame_delay = 1000/fps;
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 audio_mutex = SDL_CreateMutex();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
336 psg_cond = SDL_CreateCond();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
337 ym_cond = SDL_CreateCond();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
338 audio_ready = SDL_CreateCond();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
339
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
340 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
341 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
342 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
343 if (!rate) {
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
344 rate = 48000;
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
345 }
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
346 desired.freq = rate;
449
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
347 desired.format = AUDIO_S16SYS;
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
348 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
349 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
350 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
351 if (!samples) {
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
352 samples = 512;
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
353 }
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
354 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
355 desired.samples = samples*2;
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
356 desired.callback = audio_callback;
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
357 desired.userdata = NULL;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
358
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
359 if (SDL_OpenAudio(&desired, &actual) < 0) {
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
360 fatal_error("Unable to open SDL audio: %s\n", SDL_GetError());
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
361 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
362 buffer_samples = actual.samples;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
363 sample_rate = actual.freq;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
364 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
365 SDL_PauseAudio(0);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
366 num_joysticks = SDL_NumJoysticks();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
367 if (num_joysticks > MAX_JOYSTICKS) {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
368 num_joysticks = MAX_JOYSTICKS;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
369 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
370 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
371 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
372 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
373 if (joy) {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
374 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
375 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
376 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
377 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
378
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
379 atexit(render_quit);
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
380 }
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
381
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
382 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
383 {
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
384 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
385 int height = 240;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
386
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
387 last_frame = SDL_GetTicks();
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
388 #ifndef DISABLE_OPENGL
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
389 if (render_gl) {
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
390 glBindTexture(GL_TEXTURE_2D, textures[context->framebuf == context->oddbuf ? 0 : 1]);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
391 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 320, 240, GL_BGRA, GL_UNSIGNED_BYTE, context->framebuf);;
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
392
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
393 glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
394 glClear(GL_COLOR_BUFFER_BIT);
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
395
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
396 glUseProgram(program);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
397 glActiveTexture(GL_TEXTURE0);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
398 glBindTexture(GL_TEXTURE_2D, textures[0]);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
399 glUniform1i(un_textures[0], 0);
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
400
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
401 glActiveTexture(GL_TEXTURE1);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
402 glBindTexture(GL_TEXTURE_2D, (context->regs[REG_MODE_4] & BIT_INTERLACE) ? textures[1] : textures[2]);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
403 glUniform1i(un_textures[1], 1);
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
404
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
405 glUniform1f(un_width, width);
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
406
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
407 glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
408 glVertexAttribPointer(at_pos, 2, GL_FLOAT, GL_FALSE, sizeof(GLfloat[2]), (void *)0);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
409 glEnableVertexAttribArray(at_pos);
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
410
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
411 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[1]);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
412 glDrawElements(GL_TRIANGLE_STRIP, 4, GL_UNSIGNED_SHORT, (void *)0);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
413
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
414 glDisableVertexAttribArray(at_pos);
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
415
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
416 SDL_GL_SwapWindow(main_window);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
417 } else {
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
418 #endif
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
419 SDL_Rect area;
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
420
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
421 area.x = area.y = 0;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
422 area.w = width;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
423 area.h = height;
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
424
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
425 if (context->regs[REG_MODE_4] & BIT_INTERLACE) {
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
426 unsigned skip;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
427 uint32_t *src = (uint32_t*)context->framebuf;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
428 uint8_t *dst;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
429 int i;
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
430
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
431 area.h *= 2;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
432
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
433 SDL_LockTexture(main_texture, &area, (void**)&dst, &skip);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
434
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
435 if (context->framebuf == context->evenbuf)
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
436 dst += skip;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
437
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
438 skip *= 2;
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
439
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
440 for (i = 0; i < 240; ++i) {
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
441 memcpy(dst, src, width*sizeof(uint32_t));
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
442 src += 320;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
443 dst += skip;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
444 }
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
445
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
446 SDL_UnlockTexture(main_texture);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
447 }
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
448 else /* possibly faster path for non-interlaced output */
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
449 SDL_UpdateTexture(main_texture, &area, context->framebuf, 320*sizeof(uint32_t));
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
450
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
451 SDL_RenderClear(main_renderer);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
452 SDL_RenderCopy(main_renderer, main_texture, &area, &main_clip);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
453 SDL_RenderPresent(main_renderer);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
454 #ifndef DISABLE_OPENGL
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
455 }
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
456 #endif
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
457
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
458 if (context->regs[REG_MODE_4] & BIT_INTERLACE) {
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
459 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
460 }
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
461 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
462
418
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
463 int render_joystick_num_buttons(int joystick)
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 if (joystick >= num_joysticks) {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
466 return 0;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
467 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
468 return SDL_JoystickNumButtons(joysticks[joystick]);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
469 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
470
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
471 int render_joystick_num_hats(int joystick)
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
472 {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
473 if (joystick >= num_joysticks) {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
474 return 0;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
475 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
476 return SDL_JoystickNumHats(joysticks[joystick]);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
477 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
478
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
479 void render_wait_quit(vdp_context * context)
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
480 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
481 SDL_Event event;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
482 while(SDL_WaitEvent(&event)) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
483 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
484 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
485 if (event.key.keysym.sym == SDLK_LEFTBRACKET) {
55
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
486 render_dbg++;
135
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
487 if (render_dbg == 4) {
55
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
488 render_dbg = 0;
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
489 }
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
490 render_context(context);
135
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
491 } else if(event.key.keysym.sym == SDLK_RIGHTBRACKET) {
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
492 debug_pal++;
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
493 if (debug_pal == 4) {
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
494 debug_pal = 0;
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
495 }
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
496 }
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
497 break;
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
498 case SDL_QUIT:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
499 return;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
500 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
501 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
502 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
503
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
504 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
505 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
506 if (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
507 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
508 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
509 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
510
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
511 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
512 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
513 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
514 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
515 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
516 }
66
7a22a0e6c004 Gamepad support
Mike Pavone <pavone@retrodev.com>
parents: 64
diff changeset
517
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
518 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
519 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
520 switch (event->type) {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
521 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
522 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
523 break;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
524 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
525 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
526 break;
418
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
527 case SDL_JOYBUTTONDOWN:
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
528 handle_joydown(event->jbutton.which, event->jbutton.button);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
529 break;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
530 case SDL_JOYBUTTONUP:
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
531 handle_joyup(event->jbutton.which, event->jbutton.button);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
532 break;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
533 case SDL_JOYHATMOTION:
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
534 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
535 break;
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
536 case SDL_QUIT:
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
537 puts("");
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
538 exit(0);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
539 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
540 return 0;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
541 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
542
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
543 char * fps_caption = NULL;
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
544
63
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
545 uint32_t frame_counter = 0;
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
546 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
547 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
548 {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
549 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
550 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
551 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
552 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
553 }
338
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
554 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
555 //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
556 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
557 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
558 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
559 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
560 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
561 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
562 }
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
563 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
564 }
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
565 }
338
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
566 }
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
567 render_context(context);
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
568
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
569 frame_counter++;
63
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
570 if ((last_frame - start) > 1000) {
272
9b04b57434b5 Implement LDI
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
571 if (start && (last_frame-start)) {
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
572 if (!fps_caption) {
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
573 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
574 }
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
575 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
576 SDL_SetWindowTitle(main_window, fps_caption);
63
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
577 }
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
578 start = last_frame;
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
579 frame_counter = 0;
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
580 }
198
209a37eed3e7 Add support for breaking into the debugger while game is running
Mike Pavone <pavone@retrodev.com>
parents: 135
diff changeset
581 return ret;
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
582 }
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
583
409
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
584 void process_events()
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
585 {
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
586 SDL_Event event;
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
587 while(SDL_PollEvent(&event)) {
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
588 handle_event(&event);
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
589 }
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
590 }
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
591
364
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
592 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
593 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
594 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
595 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
596 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
597 }
364
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
598 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
599 SDL_CondSignal(audio_ready);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
600
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
601 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
602 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
603 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
604 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
605 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
606
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
607 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
608 {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
609 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
610 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
611 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
612 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
613 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
614 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
615
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
616 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
617 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
618 SDL_UnlockMutex(audio_mutex);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
619 context->buffer_pos = 0;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
620 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
621
342
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
622 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
623 {
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
624 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
625 }
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
626
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
627 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
628 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
629 return buffer_samples;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
630 }
342
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
631
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
632 uint32_t render_sample_rate()
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
633 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
634 return sample_rate;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
635 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
636
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
637 void render_errorbox(char *title, char *message)
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
638 {
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
639 SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, title, message, NULL);
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
640 }
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
641
792
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
642 void render_warnbox(char *title, char *message)
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
643 {
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
644 SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_WARNING, title, message, NULL);
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
645 }
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
646
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
647 void render_infobox(char *title, char *message)
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
648 {
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
649 SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_INFORMATION, title, message, NULL);
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
650 }
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
651