Mercurial > hg > forks > gldragon
annotate gldragon.cpp @ 51:9c6654647608
Cleanup.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Fri, 06 Dec 2019 01:30:51 +0200 |
parents | d4232c89145f |
children | 6343c3392a95 |
rev | line source |
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1 // |
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2 // GLDragon - OpenGL PLY model viewer / simple benchmark |
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3 // Programmed and designed by Matti 'ccr' Hämäläinen <ccr@tnsp.org> |
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4 // (C) Copyright 2019 Tecnic Software productions (TNSP) |
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5 // |
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6 // See file "COPYING" for license information. |
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7 // |
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8 // Originally based on 'glxdragon' Copyright (c) 2009, Thomas Trummer |
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9 // |
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10 #include <SDL.h> |
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11 #include <SDL_opengl.h> |
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12 #include <GL/glu.h> |
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13 |
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14 #include "dmutil.h" |
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15 #include "dmmodel.h" |
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16 |
16 | 17 |
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18 /* Default settings etc. constants |
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19 */ |
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20 #define SET_DEF_WIDTH 1280 |
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21 #define SET_DEF_HEIGHT 960 |
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22 #define SET_FRAMES (180) |
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23 #define SET_MAX_SHADER_SIZE (128 * 1024) |
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24 |
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25 |
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26 /* Options |
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27 */ |
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28 bool optUseShaders = false; |
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29 int optWidth = SET_DEF_WIDTH, |
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30 optHeight = SET_DEF_HEIGHT, |
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31 optVSyncMode = 1; |
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32 |
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33 |
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34 /* Globals |
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35 */ |
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36 SDL_Window *dmWindow = NULL; |
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37 SDL_GLContext dmGLContext = NULL; |
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38 |
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39 |
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40 /* Helpers |
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41 */ |
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42 #ifdef GL_GLEXT_PROTOTYPES |
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43 #define DM_GLEXT_INIT(extproctype, extprocname) /* stub */ |
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44 #else |
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45 #define DM_GLEXT_INIT(extproctype, extprocname) extproctype extprocname = NULL; |
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46 #include "dmglexts.h" |
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47 #undef DM_GLEXT_INIT |
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48 |
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49 |
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50 void * dmGLExtTry(const std::string &name) |
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51 { |
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52 bool res = SDL_GL_ExtensionSupported(name.c_str()); |
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53 void *ptr = SDL_GL_GetProcAddress(name.c_str()); |
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54 |
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55 dmMsg(" - Checking '%s' : %s : %p\n", |
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56 name.c_str(), |
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57 res ? "YES" : "no", |
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58 ptr); |
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59 |
45 | 60 res = true; |
61 | |
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62 if (res && ptr != NULL) |
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63 return ptr; |
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64 else |
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65 return NULL; |
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66 } |
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67 |
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68 void * dmGLExtInit(const std::string &name, bool &status) |
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69 { |
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70 void *ptr; |
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71 |
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72 if ((ptr = dmGLExtTry(name)) != NULL) |
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73 return ptr; |
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74 else |
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75 if ((ptr = dmGLExtTry(name + "EXT")) != NULL) |
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76 return ptr; |
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77 else |
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78 if ((ptr = dmGLExtTry(name + "ARB")) != NULL) |
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79 return ptr; |
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80 |
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81 status = false; |
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82 return NULL; |
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83 } |
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84 #endif |
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85 |
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86 |
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87 bool dmInitGLExtensions(void) |
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88 { |
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89 #ifdef GL_GLEXT_PROTOTYPES |
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90 return true; |
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91 #else |
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92 bool status = true; |
51 | 93 #define DM_GLEXT_INIT(extproctype, extprocname) \ |
94 extprocname = (extproctype) dmGLExtInit(#extprocname, status); | |
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95 #include "dmglexts.h" |
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96 return status; |
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97 #endif |
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98 } |
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99 |
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100 |
5 | 101 bool dmInitSDLGL(const int width, const int height, const char *title) |
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102 { |
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103 int ret; |
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104 std::string msg; |
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105 |
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106 // Attempt to initialize libSDL |
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107 if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_EVENTS) != 0) |
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108 { |
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109 dmError("Unable to initialize SDL: %s\n", |
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110 SDL_GetError()); |
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111 return false; |
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112 } |
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113 |
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114 // Set GL attributes |
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115 SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2); |
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116 SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1); |
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117 SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE); |
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118 |
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119 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8); |
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120 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8); |
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121 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8); |
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122 SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8); |
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123 |
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124 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24); |
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125 //SDL_GL_SetAttribute(SDL_GL_BUFFER_SIZE, 32); |
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126 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); |
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127 |
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128 // Attempt to create a window |
8 | 129 if ((dmWindow = SDL_CreateWindow(title, |
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130 SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, |
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131 width, height, |
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132 SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE)) == NULL) |
2 | 133 { |
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134 dmError("Could not create SDL window: %s", |
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135 SDL_GetError()); |
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136 return false; |
2 | 137 } |
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138 |
8 | 139 if ((dmGLContext = SDL_GL_CreateContext(dmWindow)) == NULL) |
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140 { |
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141 dmError("Unable to create SDL OpenGL context: %s\n", |
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142 SDL_GetError()); |
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143 return false; |
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144 } |
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145 |
13
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146 // Check if we want to attempt to use vsync |
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147 switch (optVSyncMode) |
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148 { |
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149 case 3: |
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150 ret = SDL_GL_SetSwapInterval(-1); |
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151 msg = "adaptive vsync"; |
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152 break; |
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153 |
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154 case 2: |
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155 ret = SDL_GL_SetSwapInterval(1); |
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156 msg = "synchronized (vsync)"; |
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157 break; |
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158 |
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159 case 1: |
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160 ret = SDL_GL_SetSwapInterval(0); |
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161 msg = "immediate (no vsync)"; |
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162 break; |
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163 |
38
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164 case 0: |
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165 msg = "vsync handling disabled"; |
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166 ret = 0; |
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167 break; |
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168 |
13
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169 default: |
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170 ret = -1; |
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171 msg = "INVALID VSYNC MODE"; |
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172 break; |
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173 } |
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174 |
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175 if (ret != 0) |
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176 { |
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177 dmError("Could not set vsync mode to %s.\n", |
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178 msg.c_str()); |
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179 return false; |
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180 } |
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181 |
42
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182 // Get/initialize OpenGL extension function pointers |
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183 if (optUseShaders && !dmInitGLExtensions()) |
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184 return false; |
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185 |
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186 // Dump some information |
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187 dmMsg("GL_VENDOR : %s\n", glGetString(GL_VENDOR)); |
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188 dmMsg("GL_RENDERER : %s\n", glGetString(GL_RENDERER)); |
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189 dmMsg("GL_VERSION : %s\n", glGetString(GL_VERSION)); |
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190 dmMsg("VSync mode : %s\n", msg.c_str()); |
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191 |
2 | 192 // Setup the window and view port |
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193 glViewport(0, 0, width, height); |
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194 |
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195 glMatrixMode(GL_PROJECTION); |
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196 glLoadIdentity(); |
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197 |
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198 gluPerspective(45.0f, GLfloat(width) / GLfloat(height), 0.1f, 1000.0f); |
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199 |
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200 glMatrixMode(GL_MODELVIEW); |
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201 glLoadIdentity(); |
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202 |
2 | 203 // Enable back face culling |
204 glEnable(GL_CULL_FACE); | |
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205 |
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206 // Enable smooth shading |
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207 glShadeModel(GL_SMOOTH); |
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208 |
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209 // Enable the depth buffer |
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210 glEnable(GL_DEPTH_TEST); |
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211 |
21
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212 // Enable normal rescaling |
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213 glEnable(GL_RESCALE_NORMAL); |
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214 |
49
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215 glEnable(GL_COLOR_MATERIAL); |
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216 |
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217 // Setup depth buffer |
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218 glClearDepth(1.0f); |
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219 |
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220 // Set the depth buffer function |
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221 glDepthFunc(GL_LEQUAL); |
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222 |
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223 // Enable vertex and and normal arrays |
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224 glEnableClientState(GL_VERTEX_ARRAY); |
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225 glEnableClientState(GL_NORMAL_ARRAY); |
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226 |
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227 // Set correct perspective correction |
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228 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); |
3
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229 |
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230 return true; |
0
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231 } |
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232 |
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233 |
37 | 234 void dmDrawModel(const DMSimpleScene &scene, const DMModel &model) |
0
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235 { |
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236 int maxIndices; |
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|
237 |
37 | 238 if (optUseShaders) |
239 { | |
240 // Enable shader program | |
241 glUseProgram(model.id_prog); | |
242 glUniform1i(glGetUniformLocation(model.id_prog, "nlights"), scene.lights.size()); | |
243 } | |
244 | |
245 // Set the material of the model | |
32
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246 glColorMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE); |
48
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247 glMateriali(GL_FRONT, GL_SHININESS, model.material.shininess); |
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248 glMaterialfv(GL_FRONT, GL_SPECULAR, model.material.specular.values); |
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249 glColor4fv(model.material.diffuse.values); |
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250 |
17 | 251 // Render the model |
2 | 252 glGetIntegerv(GL_MAX_ELEMENTS_INDICES, &maxIndices); |
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253 |
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254 // Add transforms |
36
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255 if (model.scaleSet) |
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256 glScalef(model.scale.x, model.scale.y, model.scale.z); |
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257 |
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258 if (model.translateSet) |
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259 glTranslatef(model.translate.x, model.translate.y, model.translate.z); |
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260 |
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261 if (model.rotateSet) |
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262 { |
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263 glRotatef(model.rotate.x, 1.0f, 0.0f, 0.0f); |
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264 glRotatef(model.rotate.y, 0.0f, 1.0f, 0.0f); |
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265 glRotatef(model.rotate.z, 0.0f, 0.0f, 1.0f); |
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266 } |
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267 |
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268 glVertexPointer(3, GL_FLOAT, 0, &model.vertices[0]); |
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269 glNormalPointer( GL_FLOAT, 0, &model.normals[0]); |
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270 |
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271 for (int n = 0; n < model.nfaces; n += maxIndices) |
2 | 272 { |
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273 const int count = std::min(maxIndices, model.nfaces - n); |
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274 glDrawElements(GL_TRIANGLES, count * 3, GL_UNSIGNED_INT, &model.faces[n * 3]); |
2 | 275 } |
37 | 276 |
277 // Restore | |
278 if (optUseShaders) | |
279 { | |
280 glUseProgram(0); | |
281 } | |
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282 } |
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283 |
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284 |
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285 void dmDrawScene(const DMSimpleScene &scene) |
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286 { |
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287 glClear(GL_DEPTH_BUFFER_BIT); |
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288 |
2 | 289 glMatrixMode(GL_PROJECTION); |
290 glPushMatrix(); | |
291 glLoadIdentity(); | |
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292 |
2 | 293 glOrtho(0.0, 1.0, 0.0, 1.0, -1, 1); |
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294 |
2 | 295 glMatrixMode(GL_MODELVIEW); |
296 glPushMatrix(); | |
297 glLoadIdentity(); | |
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298 |
17 | 299 // Draw the background gradient |
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300 glDisable(GL_DEPTH_TEST); |
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301 glDisable(GL_LIGHTING); |
2 | 302 glBegin(GL_QUADS); |
303 { | |
304 glColor3ub(0x3B, 0x3B, 0x75); | |
305 glVertex2f(0.0f, 0.0f); | |
306 glVertex2f(1.0f, 0.0f); | |
0
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307 |
2 | 308 glColor3ub(0x00, 0x00, 0x00); |
309 glVertex2f(1.0f, 1.0f); | |
310 glVertex2f(0.0f, 1.0f); | |
311 } | |
312 glEnd(); | |
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313 |
2 | 314 // Restore the 3D projection |
315 glMatrixMode(GL_PROJECTION); | |
316 glPopMatrix(); | |
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317 |
2 | 318 glMatrixMode(GL_MODELVIEW); |
319 glPopMatrix(); | |
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320 |
3
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321 glEnable(GL_DEPTH_TEST); |
37 | 322 glEnable(GL_LIGHTING); |
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323 |
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324 // Draw models |
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325 for (const DMModel &model : scene.models) |
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326 { |
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327 glPushMatrix(); |
37 | 328 dmDrawModel(scene, model); |
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329 glPopMatrix(); |
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330 } |
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331 } |
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332 |
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333 |
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334 bool dmCompileShader(const GLenum stype, const std::string &src, GLuint &shader) |
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335 { |
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336 GLint status; |
6
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337 const char *tmp = src.c_str(); |
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338 |
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339 shader = glCreateShader(stype); |
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340 glShaderSource(shader, 1, &tmp, 0); |
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341 glCompileShader(shader); |
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342 |
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343 glGetShaderiv(shader, GL_COMPILE_STATUS, &status); |
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344 if (status == GL_TRUE) |
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345 return true; |
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346 else |
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347 { |
26
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348 GLint bufLen = 0; |
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349 glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &bufLen); |
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350 |
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351 if (bufLen > 0) |
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352 { |
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353 char *buf = new char[bufLen]; |
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354 glGetShaderInfoLog(shader, bufLen, NULL, buf); |
47
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355 dmError("Shader compliation error:\n%s\n", |
26
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356 buf); |
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357 delete buf; |
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358 } |
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359 else |
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360 { |
47
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361 dmError("Shader compilation error occured, but no error information got.\n"); |
26
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362 } |
24
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363 return false; |
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364 } |
6
4d6fec8f0c64
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365 } |
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366 |
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|
367 |
21
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368 void dmLinkModelShaders(DMModel &model) |
6
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369 { |
21
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370 model.id_prog = glCreateProgram(); |
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371 glAttachShader(model.id_prog, model.id_fs); |
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372 glAttachShader(model.id_prog, model.id_vs); |
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373 glLinkProgram(model.id_prog); |
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374 } |
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375 |
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376 |
25
2403030a0352
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377 void dmSetupLight(const int n, const DMLight &light) |
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378 { |
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379 glEnable(GL_LIGHT0 + n); |
48
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380 glLightfv(GL_LIGHT0 + n, GL_AMBIENT, light.color.ambient.values); |
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381 glLightfv(GL_LIGHT0 + n, GL_DIFFUSE, light.color.diffuse.values); |
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382 glLightfv(GL_LIGHT0 + n, GL_SPECULAR, light.color.specular.values); |
25
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383 glLightfv(GL_LIGHT0 + n, GL_POSITION, light.position.values); |
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|
384 } |
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|
385 |
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|
386 |
6
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387 int main(int argc, char *argv[]) |
0
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388 { |
13
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389 int startTime, cycleStart, cycleFrames = 0, totalFrames = 0; |
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|
390 double totalTime; |
21
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|
391 bool |
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392 exitFlag = false, |
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393 optShowHelp = false, |
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394 optSetInputFilename = false; |
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395 std::string optInputFilename = "dragon.scene", basePath; |
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|
396 DMSimpleScene scene; |
6
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397 |
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|
398 // Check commandline argument for enabling shaders |
7 | 399 for (int narg = 1; narg < argc; narg++) |
400 { | |
401 char *arg = argv[narg]; | |
11
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
402 if (arg[0] == '-') |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
403 { |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
404 char *opt = arg + 1; |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
405 |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
406 if ((opt[0] == '-' && opt[1] == 'h' && opt[2] == 'e') || |
12
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
407 opt[0] == '?' || (opt[0] == '-' && opt[1] == '?')) |
11
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
408 { |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
409 optShowHelp = true; |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
410 break; |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
411 } |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
412 else |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
413 if (opt[0] == '-') |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
414 opt++; |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
415 |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
416 if (opt[0] == 'g') |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
417 optUseShaders = true; |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
418 else |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
419 switch (opt[0]) |
12
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
420 { |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
421 case 'w': |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
422 case 'h': |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
423 case 'm': |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
424 case 'v': |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
425 if (opt[1] == 0) |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
426 { |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
427 printf("Option '%s' requires an argument.\n", opt); |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
428 goto exit; |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
429 } |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
430 |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
431 switch (opt[0]) |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
432 { |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
433 case 'w': optWidth = atoi(opt + 1); break; |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
434 case 'h': optHeight = atoi(opt + 1); break; |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
435 case 'v': optVSyncMode = atoi(opt + 1); break; |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
436 } |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
437 break; |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
438 |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
439 default: |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
440 printf("Unknown option '%s'.\n", opt); |
12
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
441 goto exit; |
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
442 } |
11
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
443 } |
21
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
444 else |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
445 { |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
446 if (optSetInputFilename) |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
447 { |
47
9909014498f0
Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents:
46
diff
changeset
|
448 dmError("Please specify only one scene file.\n"); |
21
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
449 goto exit; |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
450 } |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
451 |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
452 optSetInputFilename = true; |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
453 optInputFilename = std::string(arg); |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
454 if (optInputFilename.empty()) |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
455 { |
47
9909014498f0
Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents:
46
diff
changeset
|
456 dmError("Invalid input filename.\n"); |
21
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
457 goto exit; |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
458 } |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
459 |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
460 } |
7 | 461 } |
462 | |
8 | 463 if (optShowHelp) |
7 | 464 { |
465 printf( | |
21
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
466 "Usage: %s [options] [<scenefile.scene>]\n" |
12
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
467 "-? Show this help\n" |
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
468 "-g Use GLSL shader instead of basic OpenGL lighting\n" |
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
469 "-w<width> Window width (default %d)\n" |
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
470 "-h<height> Window height (default %d)\n" |
38
372fa249ce26
Add vsync option 0 (disable attempts of setting vsync mode.)
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
471 "-v<0-3> Set vsync mode: 0 = do not attempt to set vsync mode\n" |
50
d4232c89145f
Clarify the help for -v option.
Matti Hamalainen <ccr@tnsp.org>
parents:
49
diff
changeset
|
472 " (may be required for software rendering backends),\n" |
d4232c89145f
Clarify the help for -v option.
Matti Hamalainen <ccr@tnsp.org>
parents:
49
diff
changeset
|
473 " 1 = no vsync, 2 = vsync, 3 = adaptive.\n" |
d4232c89145f
Clarify the help for -v option.
Matti Hamalainen <ccr@tnsp.org>
parents:
49
diff
changeset
|
474 " Using vsync (2) will result in FPS being approximately\n" |
d4232c89145f
Clarify the help for -v option.
Matti Hamalainen <ccr@tnsp.org>
parents:
49
diff
changeset
|
475 " whatever your monitor refresh rate is. The default\n" |
d4232c89145f
Clarify the help for -v option.
Matti Hamalainen <ccr@tnsp.org>
parents:
49
diff
changeset
|
476 " value is 1 (no vsync).\n" |
11
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
477 "\n", |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
478 argv[0], |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
479 SET_DEF_WIDTH, SET_DEF_HEIGHT |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
480 ); |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
481 |
7 | 482 goto exit; |
483 } | |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
484 |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
485 if (optWidth < 100 || optWidth > 8192 || optHeight < 100 || optHeight > 8192) |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
486 { |
47
9909014498f0
Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents:
46
diff
changeset
|
487 dmError("Invalid window width or height (%d x %d).\n", |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
488 optWidth, optHeight); |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
489 goto exit; |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
490 } |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
491 |
21
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
492 // Load the scene |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
493 if (!scene.loadInfo(optInputFilename)) |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
494 goto exit; |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
495 |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
496 if (scene.models.size() == 0) |
12
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
497 { |
47
9909014498f0
Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents:
46
diff
changeset
|
498 dmError("Scenefile '%s' contains no models.\n", |
21
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
499 optInputFilename.c_str()); |
12
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
500 goto exit; |
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
501 } |
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
502 |
31
6847715b46cd
Move piece of code a bit as a cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
503 // Define a default light if none defined in scene file |
6847715b46cd
Move piece of code a bit as a cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
504 if (scene.lights.size() == 0) |
6847715b46cd
Move piece of code a bit as a cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
505 { |
6847715b46cd
Move piece of code a bit as a cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
506 DMLight light; // Default light |
6847715b46cd
Move piece of code a bit as a cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
507 scene.lights.push_back(light); |
6847715b46cd
Move piece of code a bit as a cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
508 } |
6847715b46cd
Move piece of code a bit as a cleanup.
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
509 |
47
9909014498f0
Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents:
46
diff
changeset
|
510 dmMsg("Loading %ld model(s) ..\n", |
21
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
511 scene.models.size()); |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
512 |
21
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
513 basePath = dmGetPath(optInputFilename); |
47
9909014498f0
Add helper functions dmError() and dmMsg() and use them.
Matti Hamalainen <ccr@tnsp.org>
parents:
46
diff
changeset
|
514 dmMsg("Scene base path '%s'\n", basePath.c_str()); |
21
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
515 |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
516 for (DMModel &model : scene.models) |
2 | 517 { |
21
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
518 if (!model.loadFromPLY(basePath + model.modelFile)) |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
519 goto exit; |
21
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
520 |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
521 if (optUseShaders) |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
522 { |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
523 std::string |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
524 fragFile = model.fragShaderFile.empty() ? "shader.frag" : basePath + model.fragShaderFile, |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
525 vertFile = model.vertShaderFile.empty() ? "shader.vert" : basePath + model.vertShaderFile; |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
526 |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
527 if (!dmReadText(fragFile, model.fragShaderStr, SET_MAX_SHADER_SIZE) || |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
528 !dmReadText(vertFile, model.vertShaderStr, SET_MAX_SHADER_SIZE)) |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
529 goto exit; |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
530 } |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
531 } |
0
3d74a9dd96e4
Initial import of Thomas Trummer's original code.
Thomas Trummer
parents:
diff
changeset
|
532 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
533 // Initialize SDL + OpenGL |
21
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
534 if (!dmInitSDLGL(optWidth, optHeight, "GLDragon")) |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
535 goto exit; |
3
be31ff9e5f58
Port to libSDL2, clean up the code and some de-C++-ifications.
Matti Hamalainen <ccr@tnsp.org>
parents:
2
diff
changeset
|
536 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
537 // According to our mode .. |
8 | 538 if (optUseShaders) |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
539 { |
21
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
540 for (DMModel &model : scene.models) |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
541 { |
24
c1897cfc8463
Add shader compilation error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
23
diff
changeset
|
542 if (!dmCompileShader(GL_FRAGMENT_SHADER, model.fragShaderStr, model.id_fs) || |
c1897cfc8463
Add shader compilation error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
23
diff
changeset
|
543 !dmCompileShader(GL_VERTEX_SHADER, model.vertShaderStr, model.id_vs)) |
c1897cfc8463
Add shader compilation error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
23
diff
changeset
|
544 goto exit; |
c1897cfc8463
Add shader compilation error handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
23
diff
changeset
|
545 |
21
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
546 dmLinkModelShaders(model); |
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
547 } |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
548 } |
25
2403030a0352
"Finish" implementing multiple lights support in scene files.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
549 |
27
097184bd34a8
Implement number of lights uniform for the shaders, clean up light setup and
Matti Hamalainen <ccr@tnsp.org>
parents:
26
diff
changeset
|
550 // Setup lights |
097184bd34a8
Implement number of lights uniform for the shaders, clean up light setup and
Matti Hamalainen <ccr@tnsp.org>
parents:
26
diff
changeset
|
551 for (size_t n = 0; n < scene.lights.size(); n++) |
097184bd34a8
Implement number of lights uniform for the shaders, clean up light setup and
Matti Hamalainen <ccr@tnsp.org>
parents:
26
diff
changeset
|
552 dmSetupLight(n, scene.lights[n]); |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
553 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
554 // Define the camera |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
555 gluLookAt(0, 0.12, 0.24, 0, 0.12, 0, 0, 1, 0); |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
556 |
3
be31ff9e5f58
Port to libSDL2, clean up the code and some de-C++-ifications.
Matti Hamalainen <ccr@tnsp.org>
parents:
2
diff
changeset
|
557 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
558 // Main loop starts |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
559 startTime = cycleStart = SDL_GetTicks(); |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
560 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
561 while (!exitFlag) |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
562 { |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
563 SDL_Event event; |
3
be31ff9e5f58
Port to libSDL2, clean up the code and some de-C++-ifications.
Matti Hamalainen <ccr@tnsp.org>
parents:
2
diff
changeset
|
564 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
565 // Check for quit events |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
566 while (SDL_PollEvent(&event)) |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
567 switch (event.type) |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
568 { |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
569 case SDL_QUIT: |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
570 exitFlag = true; |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
571 break; |
3
be31ff9e5f58
Port to libSDL2, clean up the code and some de-C++-ifications.
Matti Hamalainen <ccr@tnsp.org>
parents:
2
diff
changeset
|
572 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
573 case SDL_KEYDOWN: |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
574 switch (event.key.keysym.sym) |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
575 { |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
576 case SDLK_ESCAPE: |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
577 case SDLK_q: |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
578 exitFlag = true; |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
579 break; |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
580 } |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
581 } |
3
be31ff9e5f58
Port to libSDL2, clean up the code and some de-C++-ifications.
Matti Hamalainen <ccr@tnsp.org>
parents:
2
diff
changeset
|
582 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
583 // Render the next frame |
21
1404dfcee7b8
More work on scenefile and model loading support.
Matti Hamalainen <ccr@tnsp.org>
parents:
20
diff
changeset
|
584 dmDrawScene(scene); |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
585 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
586 // Draw the current frame |
8 | 587 SDL_GL_SwapWindow(dmWindow); |
3
be31ff9e5f58
Port to libSDL2, clean up the code and some de-C++-ifications.
Matti Hamalainen <ccr@tnsp.org>
parents:
2
diff
changeset
|
588 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
589 // Rotate for 2 degrees |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
590 glRotatef(2.0f, 0, 1, 0); |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
591 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
592 // Return true if a full rotation was done |
15
2d2aadfa3df3
Fix calculation of totalFrames.
Matti Hamalainen <ccr@tnsp.org>
parents:
14
diff
changeset
|
593 totalFrames++; |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
594 if (cycleFrames++ == SET_FRAMES) |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
595 { |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
596 // Reset cycleFrames |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
597 cycleFrames = 0; |
3
be31ff9e5f58
Port to libSDL2, clean up the code and some de-C++-ifications.
Matti Hamalainen <ccr@tnsp.org>
parents:
2
diff
changeset
|
598 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
599 // Get the time it took to render a full turn |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
600 int cycleEnd = SDL_GetTicks(); |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
601 double cycleTime = cycleEnd - cycleStart; |
10
c6c419861101
Use SDL_GetTicks() instead of std::clock().
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
602 |
c6c419861101
Use SDL_GetTicks() instead of std::clock().
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
603 // Restart the timer |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
604 cycleStart = SDL_GetTicks(); |
3
be31ff9e5f58
Port to libSDL2, clean up the code and some de-C++-ifications.
Matti Hamalainen <ccr@tnsp.org>
parents:
2
diff
changeset
|
605 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
606 // Print the current frames per second |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
607 printf("%.1lf ms for %d frames = %.1lf FPS\n", |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
608 cycleTime, SET_FRAMES, (SET_FRAMES * 1000.0f) / cycleTime); |
3
be31ff9e5f58
Port to libSDL2, clean up the code and some de-C++-ifications.
Matti Hamalainen <ccr@tnsp.org>
parents:
2
diff
changeset
|
609 } |
2 | 610 } |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
611 |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
612 // Show totals |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
613 totalTime = SDL_GetTicks() - startTime; |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
614 printf("%.1lf ms total for %d total frames = %.2lf FPS average\n", |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
615 totalTime, totalFrames, (totalFrames * 1000.0f) / totalTime); |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
616 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
617 exit: |
8 | 618 if (dmGLContext != NULL) |
619 SDL_GL_DeleteContext(dmGLContext); | |
5 | 620 |
8 | 621 if (dmWindow != NULL) |
622 SDL_DestroyWindow(dmWindow); | |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
623 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
624 SDL_Quit(); |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
625 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
626 return 0; |
0
3d74a9dd96e4
Initial import of Thomas Trummer's original code.
Thomas Trummer
parents:
diff
changeset
|
627 } |