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annotate render_sdl.c @ 874:b6842dfb8edf

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ROM is now run after being selected in menu. Initial path for menu is read from config file.
author Michael Pavone <pavone@retrodev.com>
date Sun, 08 Nov 2015 18:38:33 -0800
parents 7ed55a361e79
children 252dfd29831d
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);
874
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 816
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
874
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
378 void render_update_caption(char *title)
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
379 {
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
380 caption = title;
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 816
diff changeset
381 }
b6842dfb8edf ROM is now run after being selected in menu. Initial path for menu is read from config file.
Michael Pavone <pavone@retrodev.com>
parents: 816
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 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
384 {
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
385 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
386 int height = 240;
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
387
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
388 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
389 #ifndef DISABLE_OPENGL
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
390 if (render_gl) {
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
391 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
392 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
393
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
394 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
395 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
396
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
397 glUseProgram(program);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
398 glActiveTexture(GL_TEXTURE0);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
399 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
400 glUniform1i(un_textures[0], 0);
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
401
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
402 glActiveTexture(GL_TEXTURE1);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
403 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
404 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
405
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
406 glUniform1f(un_width, width);
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
407
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
408 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
409 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
410 glEnableVertexAttribArray(at_pos);
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
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 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
413 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
414
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
415 glDisableVertexAttribArray(at_pos);
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
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 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
418 } else {
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
419 #endif
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
420 SDL_Rect area;
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
421
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
422 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
423 area.w = width;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
424 area.h = height;
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
425
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
426 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
427 unsigned skip;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
428 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
429 uint8_t *dst;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
430 int i;
449
7696d824489d Started work on OpenGL support in new branch
Mike Pavone <pavone@retrodev.com>
parents: 426
diff changeset
431
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
432 area.h *= 2;
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 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
435
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
436 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
437 dst += skip;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
438
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
439 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
440
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
441 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
442 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
443 src += 320;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
444 dst += skip;
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
445 }
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_UnlockTexture(main_texture);
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
448 }
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
449 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
450 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
451
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
452 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
453 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
454 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
455 #ifndef DISABLE_OPENGL
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
456 }
797
65181c3ee560 Add pure SDL2 renderer
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 766
diff changeset
457 #endif
488
32f053ad9b02 Basic OpenGL rendering is working
Mike Pavone <pavone@retrodev.com>
parents: 487
diff changeset
458
798
062a2199daf6 Use SDL2 renderer as a fallback
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents: 797
diff changeset
459 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
460 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
461 }
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
462 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
463
418
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
464 int render_joystick_num_buttons(int joystick)
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
465 {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
466 if (joystick >= num_joysticks) {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
467 return 0;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
468 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
469 return SDL_JoystickNumButtons(joysticks[joystick]);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
470 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
471
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
472 int render_joystick_num_hats(int 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 if (joystick >= num_joysticks) {
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
475 return 0;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
476 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
477 return SDL_JoystickNumHats(joysticks[joystick]);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
478 }
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
479
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
480 void render_wait_quit(vdp_context * context)
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
481 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
482 SDL_Event event;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
483 while(SDL_WaitEvent(&event)) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
484 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
485 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
486 if (event.key.keysym.sym == SDLK_LEFTBRACKET) {
55
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
487 render_dbg++;
135
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
488 if (render_dbg == 4) {
55
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
489 render_dbg = 0;
8317f174d916 Add palette debug to SDL renderer
Mike Pavone <pavone@retrodev.com>
parents: 54
diff changeset
490 }
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
491 render_context(context);
135
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
492 } else if(event.key.keysym.sym == SDLK_RIGHTBRACKET) {
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
493 debug_pal++;
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
494 if (debug_pal == 4) {
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
495 debug_pal = 0;
a81c548cf353 Fix 68K->VDP DMA
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
496 }
43
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
497 }
3fc57e1a2c56 Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents: 33
diff changeset
498 break;
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
499 case SDL_QUIT:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
500 return;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
501 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
502 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
503 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
504
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
505 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
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 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
508 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
509 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
510 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
511
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 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
513 {
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
514 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
515 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
516 }
c26e48a93fa3 Make keybindings data driven so they can be populated from a config file later
Mike Pavone <pavone@retrodev.com>
parents: 364
diff changeset
517 }
66
7a22a0e6c004 Gamepad support
Mike Pavone <pavone@retrodev.com>
parents: 64
diff changeset
518
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
519 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
520 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
521 switch (event->type) {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
522 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
523 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
524 break;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
525 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
526 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
527 break;
418
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
528 case SDL_JOYBUTTONDOWN:
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
529 handle_joydown(event->jbutton.which, event->jbutton.button);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
530 break;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
531 case SDL_JOYBUTTONUP:
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
532 handle_joyup(event->jbutton.which, event->jbutton.button);
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
533 break;
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
534 case SDL_JOYHATMOTION:
dbf4e1c86f3c Implement basic joystick support
Mike Pavone <pavone@retrodev.com>
parents: 416
diff changeset
535 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
536 break;
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
537 case SDL_QUIT:
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
538 puts("");
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
539 exit(0);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
540 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
541 return 0;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
542 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
543
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
544 char * fps_caption = NULL;
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
545
63
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
546 uint32_t frame_counter = 0;
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
547 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
548 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
549 {
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
550 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
551 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
552 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
553 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
554 }
338
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
555 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
556 //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
557 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
558 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
559 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
560 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
561 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
562 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
563 }
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
564 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
565 }
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
566 }
338
5c34a9c39394 Re-enable frame limit, but add a command line flag to disable it
Mike Pavone <pavone@retrodev.com>
parents: 322
diff changeset
567 }
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
568 render_context(context);
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
569
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
570 frame_counter++;
63
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
571 if ((last_frame - start) > 1000) {
272
9b04b57434b5 Implement LDI
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
572 if (start && (last_frame-start)) {
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
573 if (!fps_caption) {
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
574 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
575 }
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
576 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
577 SDL_SetWindowTitle(main_window, fps_caption);
63
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
578 }
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
579 start = last_frame;
a6dd5b7a971b Add FPS counter to console output
Mike Pavone <pavone@retrodev.com>
parents: 55
diff changeset
580 frame_counter = 0;
486
db5880d8ea03 Add an FPS counter to the title bar
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
581 }
198
209a37eed3e7 Add support for breaking into the debugger while game is running
Mike Pavone <pavone@retrodev.com>
parents: 135
diff changeset
582 return ret;
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
583 }
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
diff changeset
584
409
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
585 void process_events()
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 SDL_Event event;
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
588 while(SDL_PollEvent(&event)) {
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
589 handle_event(&event);
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
590 }
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
591 }
c1bddeadc566 Process events in vgm player so that quitting works
Mike Pavone <pavone@retrodev.com>
parents: 398
diff changeset
592
364
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
593 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
594 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
595 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
596 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
597 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
598 }
364
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
599 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
600 SDL_CondSignal(audio_ready);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
601
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
602 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
603 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
604 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
605 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
606 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
607
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
608 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
609 {
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
610 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
611 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
612 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
613 }
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
614 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
615 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
616
62177cc39049 Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents: 361
diff changeset
617 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
618 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
619 SDL_UnlockMutex(audio_mutex);
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
620 context->buffer_pos = 0;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
621 }
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
622
342
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
623 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
624 {
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
625 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
626 }
54
3b79cbcf6846 Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents: 43
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_audio_buffer()
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 buffer_samples;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
631 }
342
13f994c88c34 Get frame time correct and frame rate sort of correct for EUR region
Mike Pavone <pavone@retrodev.com>
parents: 340
diff changeset
632
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
633 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
634 {
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
635 return sample_rate;
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
636 }
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_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
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_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
641 }
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 342
diff changeset
642
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
643 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
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_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
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
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
648 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
649 {
724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
650 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
651 }
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
652