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annotate render_sdl.c @ 816:7ed55a361e79

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Use binary mode for reading shaders and config files so we actually get the number of bytes we expect
author Michael Pavone <pavone@retrodev.com>
date Mon, 27 Jul 2015 23:49:14 -0700
parents ec23202df6a6
children b6842dfb8edf
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING
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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, "rb");
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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, "rb");
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127 free(shader_path);
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128 if (!f) {
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129 warning("Failed to open shader file %s for reading\n", fname);
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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diff changeset
130 return 0;
0820a71b80f3 Move shader files to their own directory. Read shaders from /.config/blastem/shaders or from path_to_exe/shaders instead of the current working directory.
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parents: 495
diff changeset
131 }
488
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
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
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
134 GLchar * text = malloc(fsize);
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
135 if (fread(text, 1, fsize, f) != fsize) {
800
ec23202df6a6 Minor cleanup
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diff changeset
136 warning("Error reading from shader file %s\n", fname);
488
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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parents: 487
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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parents: 487
diff changeset
140 GLuint ret = glCreateShader(shader_type);
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parents: 487
diff changeset
141 glShaderSource(ret, 1, (const GLchar **)&text, (const GLint *)&fsize);
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
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;
32f053ad9b02 Basic OpenGL rendering is working
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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 glGetShaderiv(ret, GL_INFO_LOG_LENGTH, &loglen);
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parents: 487
diff changeset
148 text = malloc(loglen);
32f053ad9b02 Basic OpenGL rendering is working
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diff changeset
149 glGetShaderInfoLog(ret, loglen, NULL, text);
800
ec23202df6a6 Minor cleanup
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diff changeset
150 warning("Shader %s failed to compile:\n%s\n", fname, text);
488
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
151 free(text);
32f053ad9b02 Basic OpenGL rendering is working
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diff changeset
152 glDeleteShader(ret);
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diff changeset
153 return 0;
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
154 }
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
155 return ret;
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
156 }
798
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diff changeset
157 #endif
488
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
158
449
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
159 void render_alloc_surfaces(vdp_context * context)
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parents: 426
diff changeset
160 {
719
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diff changeset
161 context->oddbuf = context->framebuf = malloc(512 * 256 * 4 * 2);
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diff changeset
162 memset(context->oddbuf, 0, 512 * 256 * 4 * 2);
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diff changeset
163 context->evenbuf = ((char *)context->oddbuf) + 512 * 256 * 4;
797
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diff changeset
164
798
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diff changeset
165 #ifndef DISABLE_OPENGL
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diff changeset
166 if (render_gl) {
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diff changeset
167 glGenTextures(3, textures);
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parents: 797
diff changeset
168 for (int i = 0; i < 3; i++)
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
169 {
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parents: 797
diff changeset
170 glBindTexture(GL_TEXTURE_2D, textures[i]);
062a2199daf6 Use SDL2 renderer as a fallback
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diff changeset
171 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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diff changeset
172 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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parents: 797
diff changeset
173 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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parents: 797
diff changeset
174 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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parents: 797
diff changeset
175 if (i < 2) {
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parents: 797
diff changeset
176 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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parents: 797
diff changeset
177 } else {
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
178 uint32_t blank = 255 << 24;
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
179 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 1, 1, 0, GL_BGRA, GL_UNSIGNED_BYTE, &blank);
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parents: 797
diff changeset
180 }
449
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diff changeset
181 }
798
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
182 glGenBuffers(2, buffers);
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diff changeset
183 glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);
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diff changeset
184 glBufferData(GL_ARRAY_BUFFER, sizeof(vertex_data), vertex_data, GL_STATIC_DRAW);
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diff changeset
185 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[1]);
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diff changeset
186 glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(element_data), element_data, GL_STATIC_DRAW);
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diff changeset
187 tern_val def = {.ptrval = "default.v.glsl"};
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diff changeset
188 vshader = load_shader(tern_find_path_default(config, "video\0vertex_shader\0", def).ptrval, GL_VERTEX_SHADER);
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parents: 797
diff changeset
189 def.ptrval = "default.f.glsl";
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diff changeset
190 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
191 program = glCreateProgram();
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parents: 797
diff changeset
192 glAttachShader(program, vshader);
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parents: 797
diff changeset
193 glAttachShader(program, fshader);
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diff changeset
194 glLinkProgram(program);
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parents: 797
diff changeset
195 GLint link_status;
062a2199daf6 Use SDL2 renderer as a fallback
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diff changeset
196 glGetProgramiv(program, GL_LINK_STATUS, &link_status);
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
197 if (!link_status) {
062a2199daf6 Use SDL2 renderer as a fallback
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diff changeset
198 fputs("Failed to link shader program\n", stderr);
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parents: 797
diff changeset
199 exit(1);
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
200 }
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
201 un_textures[0] = glGetUniformLocation(program, "textures[0]");
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parents: 797
diff changeset
202 un_textures[1] = glGetUniformLocation(program, "textures[1]");
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parents: 797
diff changeset
203 un_width = glGetUniformLocation(program, "width");
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diff changeset
204 at_pos = glGetAttribLocation(program, "pos");
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parents: 797
diff changeset
205 } else {
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
206 #endif
797
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diff changeset
207 /* height=480 to fit interlaced output */
798
062a2199daf6 Use SDL2 renderer as a fallback
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diff changeset
208 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
209 #ifndef DISABLE_OPENGL
449
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
210 }
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
211 #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
212 }
add9e2f5c0e3 Make VDP render in native pixel format of the renderer for a modest performance gain and to make it easier to use OpenGL for rendering
Mike Pavone <pavone@retrodev.com>
parents: 421
diff changeset
213
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
214 char * caption = NULL;
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
215
797
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diff changeset
216 static void render_quit()
65181c3ee560 Add pure SDL2 renderer
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diff changeset
217 {
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
218 render_close_audio();
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=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
219 #ifdef DISABLE_OPENGL
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
220 SDL_DestroyTexture(main_texture);
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
221 #endif
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diff changeset
222 }
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
223
719
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parents: 655
diff changeset
224 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
225 {
418
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
226 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
227 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
228 }
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
229 atexit(SDL_Quit);
449
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
230 printf("width: %d, height: %d\n", width, height);
488
32f053ad9b02 Basic OpenGL rendering is working
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parents: 487
diff changeset
231
797
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=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
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diff changeset
232 uint32_t flags = 0;
65181c3ee560 Add pure SDL2 renderer
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diff changeset
233
719
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
234 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
235 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
236 SDL_DisplayMode mode;
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
237 //TODO: Multiple monitor support
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
238 SDL_GetCurrentDisplayMode(0, &mode);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
239 //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
240 //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
241 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
242 height = mode.h;
449
7696d824489d Started work on OpenGL support in new branch
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parents: 426
diff changeset
243 }
797
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=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
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diff changeset
244
798
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parents: 797
diff changeset
245 render_gl = 0;
797
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parents: 766
diff changeset
246
798
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parents: 797
diff changeset
247 #ifndef DISABLE_OPENGL
797
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parents: 766
diff changeset
248 flags |= SDL_WINDOW_OPENGL;
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
249 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
250 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
251 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
252 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 0);
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
253 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
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
254 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
255 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
256 fatal_error("Unable to create SDL window: %s\n", SDL_GetError());
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
257 }
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
258 main_context = SDL_GL_CreateContext(main_window);
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
259 GLenum res = glewInit();
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
260 if (res != GLEW_OK) {
800
ec23202df6a6 Minor cleanup
Michael Pavone <pavone@retrodev.com>
parents: 799
diff changeset
261 warning("Initialization of GLEW failed with code %d\n", res);
798
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parents: 797
diff changeset
262 }
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
263
800
ec23202df6a6 Minor cleanup
Michael Pavone <pavone@retrodev.com>
parents: 799
diff changeset
264 if (res == GLEW_OK && GLEW_VERSION_2_0) {
798
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
265 render_gl = 1;
800
ec23202df6a6 Minor cleanup
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parents: 799
diff changeset
266 } else {
798
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
267 SDL_DestroyWindow(main_window);
800
ec23202df6a6 Minor cleanup
Michael Pavone <pavone@retrodev.com>
parents: 799
diff changeset
268 warning("OpenGL 2.0 is unavailable, falling back to SDL2 renderer\n", stderr);
798
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
269 #endif
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
270 SDL_CreateWindowAndRenderer(width, height, flags, &main_window, &main_renderer);
062a2199daf6 Use SDL2 renderer as a fallback
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diff changeset
271
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diff changeset
272 if (!main_window || !main_renderer) {
800
ec23202df6a6 Minor cleanup
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parents: 799
diff changeset
273 fatal_error("unable to create SDL window: %s\n", SDL_GetError());
798
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parents: 797
diff changeset
274 }
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parents: 797
diff changeset
275 main_clip.x = main_clip.y = 0;
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parents: 797
diff changeset
276 main_clip.w = width;
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parents: 797
diff changeset
277 main_clip.h = height;
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parents: 797
diff changeset
278 #ifndef DISABLE_OPENGL
719
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
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parents: 655
diff changeset
279 }
797
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parents: 766
diff changeset
280 #endif
798
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diff changeset
281
797
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parents: 766
diff changeset
282 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
283 printf("Window created with size: %d x %d\n", width, height);
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
284 float src_aspect = 4.0/3.0;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
285 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
286 tern_val def = {.ptrval = "normal"};
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
287 int stretch = fabs(aspect - src_aspect) > 0.01 && !strcmp(tern_find_path_default(config, "video\0aspect\0", def).ptrval, "stretch");
65181c3ee560 Add pure SDL2 renderer
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parents: 766
diff changeset
288
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
289 if (!stretch) {
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
290 #ifndef DISABLE_OPENGL
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
291 if (render_gl) {
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
292 for (int i = 0; i < 4; i++)
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
293 {
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
294 if (aspect > src_aspect) {
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
295 vertex_data[i*2] *= src_aspect/aspect;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
296 } else {
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
297 vertex_data[i*2+1] *= aspect/src_aspect;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
298 }
500
251fe7a75a14 Preserve aspect ratio unless config file says otherwise
Mike Pavone <pavone@retrodev.com>
parents: 498
diff changeset
299 }
798
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
300 } else {
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
301 #endif
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
302 float scale_x = (float)width / 320.0;
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parents: 797
diff changeset
303 float scale_y = (float)height / 240.0;
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
304 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
305 main_clip.w = 320.0 * scale;
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
306 main_clip.h = 240.0 * scale;
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
307 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
308 main_clip.y = (height - main_clip.h) / 2;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
309 #ifndef DISABLE_OPENGL
500
251fe7a75a14 Preserve aspect ratio unless config file says otherwise
Mike Pavone <pavone@retrodev.com>
parents: 498
diff changeset
310 }
798
062a2199daf6 Use SDL2 renderer as a fallback
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parents: 797
diff changeset
311 #endif
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
312 }
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
313
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
314 caption = title;
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
315 min_delay = 0;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
316 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
317 uint32_t start = SDL_GetTicks();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
318 SDL_Delay(1);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
319 uint32_t delay = SDL_GetTicks()-start;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
320 if (delay > min_delay) {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
321 min_delay = delay;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
322 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
323 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
324 if (!min_delay) {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
325 min_delay = 1;
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 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
328
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
329 frame_delay = 1000/fps;
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 audio_mutex = SDL_CreateMutex();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
332 psg_cond = SDL_CreateCond();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
333 ym_cond = SDL_CreateCond();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
334 audio_ready = SDL_CreateCond();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
335
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
336 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
337 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
338 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
339 if (!rate) {
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
340 rate = 48000;
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
341 }
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
342 desired.freq = rate;
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
343 desired.format = AUDIO_S16SYS;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
344 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
345 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
346 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
347 if (!samples) {
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
348 samples = 512;
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
349 }
80a9527c812c Add config values for audio sample rate and buffer size
Mike Pavone <pavone@retrodev.com>
parents: 444
diff changeset
350 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
351 desired.samples = samples*2;
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
352 desired.callback = audio_callback;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
353 desired.userdata = NULL;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
354
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
355 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
356 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
357 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
358 buffer_samples = actual.samples;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
359 sample_rate = actual.freq;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
360 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
361 SDL_PauseAudio(0);
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
362 num_joysticks = SDL_NumJoysticks();
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
363 if (num_joysticks > MAX_JOYSTICKS) {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
364 num_joysticks = MAX_JOYSTICKS;
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
365 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
366 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
367 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
368 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
369 if (joy) {
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
370 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
371 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
372 }
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
373 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
374
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
375 atexit(render_quit);
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
376 }
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
377
019d27995e32 Upgrade to SDL 2.0 and drop support for the non-OpenGL render path
Michael Pavone <pavone@retrodev.com>
parents: 655
diff changeset
378 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
379 {
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
380 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
381 int height = 240;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
382
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
383 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
384 #ifndef DISABLE_OPENGL
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
385 if (render_gl) {
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
386 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
387 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
388
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
389 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
390 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
391
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
392 glUseProgram(program);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
393 glActiveTexture(GL_TEXTURE0);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
394 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
395 glUniform1i(un_textures[0], 0);
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
396
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
397 glActiveTexture(GL_TEXTURE1);
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, (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
399 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
400
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
401 glUniform1f(un_width, width);
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
402
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
403 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
404 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
405 glEnableVertexAttribArray(at_pos);
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
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_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
408 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
409
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
410 glDisableVertexAttribArray(at_pos);
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
411
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
412 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
413 } else {
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
414 #endif
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
415 SDL_Rect area;
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
416
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
417 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
418 area.w = width;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
419 area.h = height;
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 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
422 unsigned skip;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
423 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
424 uint8_t *dst;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
425 int i;
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
426
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
427 area.h *= 2;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
428
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
429 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
430
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
431 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
432 dst += skip;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
433
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
434 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
435
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
436 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
437 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
438 src += 320;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
439 dst += skip;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
440 }
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
441
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
442 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
443 }
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
444 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
445 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
446
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
447 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
448 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
449 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
450 #ifndef DISABLE_OPENGL
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
451 }
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
452 #endif
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
453
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
454 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
455 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
456 }
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
457 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
458
418
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
459 int render_joystick_num_buttons(int joystick)
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
460 {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
461 if (joystick >= num_joysticks) {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
462 return 0;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
463 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
464 return SDL_JoystickNumButtons(joysticks[joystick]);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
465 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
466
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
467 int render_joystick_num_hats(int joystick)
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
468 {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
469 if (joystick >= num_joysticks) {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
470 return 0;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
471 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
472 return SDL_JoystickNumHats(joysticks[joystick]);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
473 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
474
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
475 void render_wait_quit(vdp_context * context)
20
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 SDL_Event event;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
478 while(SDL_WaitEvent(&event)) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
479 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
480 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
481 if (event.key.keysym.sym == SDLK_LEFTBRACKET) {
55
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
482 render_dbg++;
135
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
483 if (render_dbg == 4) {
55
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
484 render_dbg = 0;
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
485 }
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
486 render_context(context);
135
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
487 } else if(event.key.keysym.sym == SDLK_RIGHTBRACKET) {
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
488 debug_pal++;
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
489 if (debug_pal == 4) {
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
490 debug_pal = 0;
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
491 }
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
492 }
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
493 break;
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
494 case SDL_QUIT:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
495 return;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
496 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
497 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
498 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
499
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
500 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
501 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
502 if (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
503 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
504 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
505 }
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
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 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
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 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
510 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
511 }
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 }
66
7a22a0e6c004 Gamepad support
Mike Pavone <pavone@retrodev.com>
parents: 64
diff changeset
513
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
514 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
515 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
516 switch (event->type) {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
517 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
518 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
519 break;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
520 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
521 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
522 break;
418
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
523 case SDL_JOYBUTTONDOWN:
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
524 handle_joydown(event->jbutton.which, event->jbutton.button);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
525 break;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
526 case SDL_JOYBUTTONUP:
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
527 handle_joyup(event->jbutton.which, event->jbutton.button);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
528 break;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
529 case SDL_JOYHATMOTION:
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
530 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
531 break;
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
532 case SDL_QUIT:
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
533 puts("");
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
534 exit(0);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
535 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
536 return 0;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
537 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
538
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
539 char * fps_caption = NULL;
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
540
63
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
541 uint32_t frame_counter = 0;
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
542 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
543 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
544 {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
545 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
546 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
547 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
548 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
549 }
338
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
550 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
551 //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
552 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
553 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
554 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
555 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
556 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
557 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
558 }
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
559 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
560 }
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
561 }
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 }
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
563 render_context(context);
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
564
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
565 frame_counter++;
63
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
566 if ((last_frame - start) > 1000) {
272
9b04b57434b5 Implement LDI
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
567 if (start && (last_frame-start)) {
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
568 if (!fps_caption) {
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
569 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
570 }
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
571 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
572 SDL_SetWindowTitle(main_window, fps_caption);
63
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
573 }
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
574 start = last_frame;
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
575 frame_counter = 0;
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
576 }
198
209a37eed3e7 Add support for breaking into the debugger while game is running
Mike Pavone <pavone@retrodev.com>
parents: 135
diff changeset
577 return ret;
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
578 }
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
579
409
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
580 void process_events()
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
581 {
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
582 SDL_Event event;
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
583 while(SDL_PollEvent(&event)) {
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
584 handle_event(&event);
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
585 }
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
586 }
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
587
364
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
588 void render_wait_psg(psg_context * context)
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
589 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
590 SDL_LockMutex(audio_mutex);
364
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
591 while (current_psg != NULL) {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
592 SDL_CondWait(psg_cond, audio_mutex);
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
593 }
364
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
594 current_psg = context->audio_buffer;
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
595 SDL_CondSignal(audio_ready);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
596
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
597 context->audio_buffer = context->back_buffer;
364
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
598 context->back_buffer = current_psg;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
599 SDL_UnlockMutex(audio_mutex);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
600 context->buffer_pos = 0;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
601 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
602
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
603 void render_wait_ym(ym2612_context * context)
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
604 {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
605 SDL_LockMutex(audio_mutex);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
606 while (current_ym != NULL) {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
607 SDL_CondWait(ym_cond, audio_mutex);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
608 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
609 current_ym = context->audio_buffer;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
610 SDL_CondSignal(audio_ready);
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
611
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
612 context->audio_buffer = context->back_buffer;
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
613 context->back_buffer = current_ym;
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
614 SDL_UnlockMutex(audio_mutex);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
615 context->buffer_pos = 0;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
616 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
617
342
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
618 void render_fps(uint32_t fps)
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
619 {
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
620 frame_delay = 1000/fps;
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
621 }
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
622
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
623 uint32_t render_audio_buffer()
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
624 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
625 return buffer_samples;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
626 }
342
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
627
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
628 uint32_t render_sample_rate()
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
629 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
630 return sample_rate;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
631 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
632
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
633 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
634 {
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
635 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
636 }
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
637
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
638 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
639 {
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 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
641 }
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
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 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
644 {
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 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
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