Mercurial > hg > forks > gldragon
annotate glxdragon.cpp @ 13:c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
mode, default to no vsync.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Mon, 28 Oct 2019 19:13:27 +0200 |
parents | 52a586c344f4 |
children | 62be2036f604 |
rev | line source |
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1 // |
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2 // Copyright (c) 2009, Thomas Trummer |
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3 // All rights reserved. |
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4 // |
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5 // Port to libSDL2 and cleanups by Matti Hämäläinen <ccr@tnsp.org> |
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6 // (C) Copyright 2019 Tecnic Software productions (TNSP) |
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7 // |
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8 // Redistribution and use in source and binary forms, with or without |
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9 // modification, are permitted provided that the following conditions are met: |
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10 // * Redistributions of source code must retain the above copyright |
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11 // notice, this list of conditions and the following disclaimer. |
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12 // * Redistributions in binary form must reproduce the above copyright |
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13 // notice, this list of conditions and the following disclaimer in the |
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14 // documentation and/or other materials provided with the distribution. |
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15 // * Neither the name of the <organization> nor the |
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16 // names of its contributors may be used to endorse or promote products |
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17 // derived from this software without specific prior written permission. |
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18 // |
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19 // THIS SOFTWARE IS PROVIDED BY Thomas Trummer ''AS IS'' AND ANY |
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20 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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21 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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22 // DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY |
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23 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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24 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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25 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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26 // ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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28 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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29 // |
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30 |
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31 #include <SDL.h> |
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32 #include <SDL_opengl.h> |
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33 #include <GL/glu.h> |
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34 #include <GL/glext.h> |
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35 |
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36 #include <iostream> |
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37 #include <fstream> |
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38 #include <string> |
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39 #include <vector> |
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40 #include <cstdio> |
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41 |
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42 /* Default settings etc. constants |
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43 */ |
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44 #define SET_DEF_WIDTH 1280 |
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45 #define SET_DEF_HEIGHT 960 |
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46 #define SET_FRAMES (180) |
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47 |
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48 |
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49 /* Structures |
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50 */ |
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51 struct Mesh |
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52 { |
5 | 53 int nvertices, nfaces; |
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54 std::vector<float> vertices; |
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55 std::vector<unsigned> faces; |
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56 |
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57 GLuint id_prog, id_fs, id_vs; |
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58 }; |
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59 |
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60 |
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61 /* Options |
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62 */ |
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63 bool optUseShaders = false; |
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64 int optWidth = SET_DEF_WIDTH, |
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65 optHeight = SET_DEF_HEIGHT, |
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66 optVSyncMode = 1; |
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67 |
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68 std::string optModelPrefix = "dragon"; |
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69 |
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70 |
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71 /* Globals |
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72 */ |
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73 SDL_Window *dmWindow = NULL; |
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74 SDL_GLContext dmGLContext = NULL; |
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75 |
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76 |
5 | 77 bool dmInitSDLGL(const int width, const int height, const char *title) |
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78 { |
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79 int ret; |
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80 std::string msg; |
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81 |
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82 // Set GL attributes |
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83 SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2); |
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84 SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1); |
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85 SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE); |
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86 |
2 | 87 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24); |
88 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); | |
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89 |
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90 // Attempt to initialize libSDL |
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91 if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_EVENTS) != 0) |
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92 { |
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93 printf("ERROR: Unable to initialize SDL: %s\n", |
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94 SDL_GetError()); |
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95 return false; |
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96 } |
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97 |
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98 // Attempt to create a window |
8 | 99 if ((dmWindow = SDL_CreateWindow(title, |
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100 SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, |
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101 width, height, |
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102 SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE)) == NULL) |
2 | 103 { |
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104 printf("ERROR: Could not create SDL window: %s", |
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105 SDL_GetError()); |
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106 return false; |
2 | 107 } |
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108 |
8 | 109 if ((dmGLContext = SDL_GL_CreateContext(dmWindow)) == NULL) |
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110 { |
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111 printf("ERROR: Unable to create SDL OpenGL context: %s\n", |
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112 SDL_GetError()); |
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113 return false; |
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114 } |
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115 |
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116 // Check if we want to attempt to use vsync |
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117 switch (optVSyncMode) |
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118 { |
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119 case 3: |
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120 ret = SDL_GL_SetSwapInterval(-1); |
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121 msg = "adaptive vsync"; |
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122 break; |
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123 |
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124 case 2: |
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125 ret = SDL_GL_SetSwapInterval(1); |
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126 msg = "synchronized (vsync)"; |
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127 break; |
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128 |
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129 case 1: |
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130 ret = SDL_GL_SetSwapInterval(0); |
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131 msg = "immediate (no vsync)"; |
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132 break; |
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133 |
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134 default: |
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135 ret = -1; |
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136 msg = "INVALID VSYNC MODE"; |
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137 break; |
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138 } |
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139 |
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140 if (ret != 0) |
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141 { |
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142 printf("ERROR: Could not set vsync mode to %s.\n", |
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143 msg.c_str()); |
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144 return false; |
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145 } |
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146 |
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147 // Dump some information |
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148 printf( |
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149 "GL_VENDOR : %s\n" |
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150 "GL_RENDERER : %s\n" |
13
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151 "GL_VERSION : %s\n" |
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152 "VSync mode : %s\n", |
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153 glGetString(GL_VENDOR), |
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154 glGetString(GL_RENDERER), |
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155 glGetString(GL_VERSION), |
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156 msg.c_str()); |
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157 |
2 | 158 // Setup the window and view port |
3
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159 glViewport(0, 0, width, height); |
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160 |
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161 glMatrixMode(GL_PROJECTION); |
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162 glLoadIdentity(); |
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163 |
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164 gluPerspective(45.0f, GLfloat(width) / GLfloat(height), 0.1f, 1000.0f); |
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165 |
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166 glMatrixMode(GL_MODELVIEW); |
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167 glLoadIdentity(); |
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168 |
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169 |
2 | 170 // Enable back face culling |
171 glEnable(GL_CULL_FACE); | |
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172 |
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173 // Enable smooth shading |
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174 glShadeModel(GL_SMOOTH); |
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175 |
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176 // Enable the depth buffer |
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177 glEnable(GL_DEPTH_TEST); |
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178 |
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179 // Setup depth buffer |
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180 glClearDepth(1.0f); |
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181 |
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182 // Set the depth buffer function |
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183 glDepthFunc(GL_LEQUAL); |
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184 |
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185 // Enable vertex and and normal arrays |
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186 glEnableClientState(GL_VERTEX_ARRAY); |
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187 glEnableClientState(GL_NORMAL_ARRAY); |
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188 |
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189 // Set correct perspective correction |
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190 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); |
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191 |
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192 return true; |
0
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193 } |
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194 |
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195 |
5 | 196 void dmDrawModelVA(const Mesh &mesh) |
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197 { |
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198 int maxIndices; |
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199 |
2 | 200 glGetIntegerv(GL_MAX_ELEMENTS_INDICES, &maxIndices); |
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201 |
2 | 202 glVertexPointer(3, GL_FLOAT, 24, &mesh.vertices[0]); |
203 glNormalPointer(GL_FLOAT, 24, &mesh.vertices[3]); | |
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204 |
5 | 205 for (int n = 0; n < mesh.nfaces; n += maxIndices) |
2 | 206 { |
5 | 207 const int count = std::min(maxIndices, int(mesh.nfaces - n)); |
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208 glDrawElements(GL_TRIANGLES, count * 3, GL_UNSIGNED_INT, &mesh.faces[n * 3]); |
2 | 209 } |
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210 } |
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211 |
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212 |
5 | 213 void dmPaintGL(Mesh &mesh) |
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214 { |
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215 glClear(GL_DEPTH_BUFFER_BIT); |
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216 |
2 | 217 glMatrixMode(GL_PROJECTION); |
218 glPushMatrix(); | |
219 glLoadIdentity(); | |
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220 |
2 | 221 glOrtho(0.0, 1.0, 0.0, 1.0, -1, 1); |
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222 |
2 | 223 glMatrixMode(GL_MODELVIEW); |
224 glPushMatrix(); | |
225 glLoadIdentity(); | |
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226 |
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227 |
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228 glDisable(GL_DEPTH_TEST); |
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229 glDisable(GL_LIGHTING); |
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230 |
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231 // Draw the background gradient |
2 | 232 glBegin(GL_QUADS); |
233 { | |
234 glColor3ub(0x3B, 0x3B, 0x75); | |
235 glVertex2f(0.0f, 0.0f); | |
236 glVertex2f(1.0f, 0.0f); | |
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237 |
2 | 238 glColor3ub(0x00, 0x00, 0x00); |
239 glVertex2f(1.0f, 1.0f); | |
240 glVertex2f(0.0f, 1.0f); | |
241 } | |
242 glEnd(); | |
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243 |
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244 |
2 | 245 // Restore the 3D projection |
246 glMatrixMode(GL_PROJECTION); | |
247 glPopMatrix(); | |
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248 |
2 | 249 glMatrixMode(GL_MODELVIEW); |
250 glPopMatrix(); | |
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251 |
3
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252 glEnable(GL_DEPTH_TEST); |
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253 |
6
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254 // Render the model |
8 | 255 if (optUseShaders) |
6
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256 { |
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257 // Enable shader program |
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258 glUseProgram(mesh.id_prog); |
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259 dmDrawModelVA(mesh); |
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260 glUseProgram(0); |
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261 } |
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262 else |
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263 { |
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264 // Set the color of the model |
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265 glEnable(GL_LIGHTING); |
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266 glColor3ub(0x90, 0x80, 0x90); |
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267 dmDrawModelVA(mesh); |
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268 } |
0
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269 } |
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270 |
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271 |
6
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272 bool dmReadText(const std::string &filename, std::string &tstr) |
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273 { |
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274 std::ifstream in(filename.c_str()); |
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275 |
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276 if (!in.is_open()) |
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277 { |
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278 printf("ERROR: Unable to open file '%s'.\n", |
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279 filename.c_str()); |
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280 return false; |
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281 } |
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282 |
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283 in.seekg(0, std::ios::end); |
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parents:
5
diff
changeset
|
284 tstr.reserve(in.tellg()); |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
285 in.seekg(0, std::ios::beg); |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
286 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
287 tstr.assign((std::istreambuf_iterator<char>(in)), std::istreambuf_iterator<char>()); |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
288 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
289 return true; |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
290 } |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
291 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
292 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
293 bool dmLoadMesh(const std::string &filename, Mesh &mesh, int nvertices, int nfaces) |
0
3d74a9dd96e4
Initial import of Thomas Trummer's original code.
Thomas Trummer
parents:
diff
changeset
|
294 { |
3
be31ff9e5f58
Port to libSDL2, clean up the code and some de-C++-ifications.
Matti Hamalainen <ccr@tnsp.org>
parents:
2
diff
changeset
|
295 std::ifstream in(filename.c_str(), std::ios::binary); |
0
3d74a9dd96e4
Initial import of Thomas Trummer's original code.
Thomas Trummer
parents:
diff
changeset
|
296 |
2 | 297 if (!in.is_open()) |
298 { | |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
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changeset
|
299 printf("ERROR: Unable to open file '%s'.\n", |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
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changeset
|
300 filename.c_str()); |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
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diff
changeset
|
301 return false; |
2 | 302 } |
0
3d74a9dd96e4
Initial import of Thomas Trummer's original code.
Thomas Trummer
parents:
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changeset
|
303 |
5 | 304 mesh.nvertices = nvertices; |
305 mesh.vertices.resize(mesh.nvertices * 6); | |
306 in.read(reinterpret_cast<char*>(&mesh.vertices[0]), mesh.nvertices * 6 * 4); | |
0
3d74a9dd96e4
Initial import of Thomas Trummer's original code.
Thomas Trummer
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diff
changeset
|
307 |
5 | 308 mesh.nfaces = nfaces; |
309 mesh.faces.resize(mesh.nfaces * 3); | |
0
3d74a9dd96e4
Initial import of Thomas Trummer's original code.
Thomas Trummer
parents:
diff
changeset
|
310 |
8 | 311 for (int i = 0; i < mesh.nfaces; i++) |
2 | 312 { |
313 in.seekg(1, std::ios::cur); | |
314 in.read(reinterpret_cast<char*>(&mesh.faces[i * 3]), 3 * 4); | |
315 } | |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
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changeset
|
316 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
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changeset
|
317 return true; |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
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changeset
|
318 } |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
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5
diff
changeset
|
319 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
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|
320 |
8 | 321 GLuint dmCompileShader(const GLenum stype, const std::string &src) |
6
4d6fec8f0c64
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changeset
|
322 { |
4d6fec8f0c64
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changeset
|
323 GLuint shader = glCreateShader(stype); |
4d6fec8f0c64
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Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
324 const char *tmp = src.c_str(); |
4d6fec8f0c64
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Matti Hamalainen <ccr@tnsp.org>
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|
325 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
326 glShaderSource(shader, 1, &tmp, 0); |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
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5
diff
changeset
|
327 glCompileShader(shader); |
4d6fec8f0c64
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Matti Hamalainen <ccr@tnsp.org>
parents:
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changeset
|
328 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
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changeset
|
329 return shader; |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
330 } |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
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changeset
|
331 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
332 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
333 void dmLinkMeshShaders(Mesh &mesh) |
4d6fec8f0c64
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Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
334 { |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
335 mesh.id_prog = glCreateProgram(); |
12
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
changeset
|
336 glAttachShader(mesh.id_prog, mesh.id_fs); |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
337 glAttachShader(mesh.id_prog, mesh.id_vs); |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
338 glLinkProgram(mesh.id_prog); |
0
3d74a9dd96e4
Initial import of Thomas Trummer's original code.
Thomas Trummer
parents:
diff
changeset
|
339 } |
3d74a9dd96e4
Initial import of Thomas Trummer's original code.
Thomas Trummer
parents:
diff
changeset
|
340 |
3d74a9dd96e4
Initial import of Thomas Trummer's original code.
Thomas Trummer
parents:
diff
changeset
|
341 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
342 int main(int argc, char *argv[]) |
0
3d74a9dd96e4
Initial import of Thomas Trummer's original code.
Thomas Trummer
parents:
diff
changeset
|
343 { |
12
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
344 std::string modelVertStr, modelFragStr; |
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
345 struct Mesh modelMesh; |
8 | 346 bool exitFlag = false, optShowHelp = false; |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
347 int startTime, cycleStart, cycleFrames = 0, totalFrames = 0; |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
348 double totalTime; |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
349 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
350 // Check commandline argument for enabling shaders |
7 | 351 for (int narg = 1; narg < argc; narg++) |
352 { | |
353 char *arg = argv[narg]; | |
11
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
354 if (arg[0] == '-') |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
355 { |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
356 char *opt = arg + 1; |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
357 |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
358 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
|
359 opt[0] == '?' || (opt[0] == '-' && opt[1] == '?')) |
11
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
360 { |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
361 optShowHelp = true; |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
362 break; |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
363 } |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
364 else |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
365 if (opt[0] == '-') |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
366 opt++; |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
367 |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
368 if (opt[0] == 'g') |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
369 optUseShaders = true; |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
370 else |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
371 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
|
372 { |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
373 case 'w': |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
374 case 'h': |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
375 case 'm': |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
376 case 'v': |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
377 if (opt[1] == 0) |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
378 { |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
379 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
|
380 goto exit; |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
381 } |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
382 |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
383 switch (opt[0]) |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
384 { |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
385 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
|
386 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
|
387 case 'm': optModelPrefix = std::string(opt + 1); break; |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
388 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
|
389 } |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
390 break; |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
391 |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
392 default: |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
393 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
|
394 goto exit; |
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
395 } |
11
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
396 } |
7 | 397 } |
398 | |
8 | 399 if (optShowHelp) |
7 | 400 { |
401 printf( | |
11
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
402 "Usage: %s [options]\n" |
12
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
403 "-? 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
|
404 "-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
|
405 "-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
|
406 "-h<height> Window height (default %d)\n" |
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
407 "-m<modelfile> Set model filenames prefix. Using \"-mfoo\" will\n" |
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
408 " specify \"foo.mesh\", \"foo.frag\", \"foo.vert\".\n" |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
409 "-v<1-3> Set vsync mode: 1 = no vsync, 2 = vsync, 3 = adaptive\n" |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
410 " Default is no vsync.\n" |
11
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
411 "\n", |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
412 argv[0], |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
413 SET_DEF_WIDTH, SET_DEF_HEIGHT |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
414 ); |
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
415 |
7 | 416 goto exit; |
417 } | |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
418 |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
419 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
|
420 { |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
421 printf("ERROR: Invalid window width or height (%d x %d).\n", |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
422 optWidth, optHeight); |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
423 goto exit; |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
424 } |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
425 |
12
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
426 if (optModelPrefix.empty()) |
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
427 { |
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
428 printf("Model file prefix empty.\n"); |
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
429 goto exit; |
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
430 } |
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
431 |
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
432 if (!dmLoadMesh(optModelPrefix + ".mesh", modelMesh, 100139, 200198)) |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
433 goto exit; |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
434 |
8 | 435 if (optUseShaders) |
2 | 436 { |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
437 // Read shader files |
12
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
438 if (!dmReadText(optModelPrefix + ".frag", modelFragStr) || |
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
439 !dmReadText(optModelPrefix + ".vert", modelVertStr)) |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
440 goto exit; |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
441 } |
0
3d74a9dd96e4
Initial import of Thomas Trummer's original code.
Thomas Trummer
parents:
diff
changeset
|
442 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
443 // Initialize SDL + OpenGL |
11
89dc8caeff41
Improve option handling a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
444 if (!dmInitSDLGL(optWidth, optHeight, "GLXDragon2")) |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
445 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
|
446 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
447 // According to our mode .. |
8 | 448 if (optUseShaders) |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
449 { |
12
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
450 modelMesh.id_fs = dmCompileShader(GL_FRAGMENT_SHADER, modelFragStr); |
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
451 modelMesh.id_vs = dmCompileShader(GL_VERTEX_SHADER, modelVertStr); |
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
452 dmLinkMeshShaders(modelMesh); |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
453 } |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
454 else |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
455 { |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
456 float specReflection[] = { 0.8f, 0.8f, 0.8f, 1.0f }; |
3
be31ff9e5f58
Port to libSDL2, clean up the code and some de-C++-ifications.
Matti Hamalainen <ccr@tnsp.org>
parents:
2
diff
changeset
|
457 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
458 glEnable(GL_COLOR_MATERIAL); |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
459 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
460 glColorMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE); |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
461 glMateriali(GL_FRONT, GL_SHININESS, 96); |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
462 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
463 glMaterialfv(GL_FRONT, GL_SPECULAR, specReflection); |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
464 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
465 glEnable(GL_LIGHT0); |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
466 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
467 // Define the light components and position |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
468 GLfloat ambient[] = { 0.2f, 0.2f, 0.2f, 1.0f }; |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
469 GLfloat diffuse[] = { 0.8f, 0.8f, 0.8f, 1.0f }; |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
470 GLfloat specular[] = { 0.5f, 0.5f, 0.5f, 1.0f }; |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
471 GLfloat position[] = { 10.0f, 10.0f, 0.0f, 0.0f }; |
3
be31ff9e5f58
Port to libSDL2, clean up the code and some de-C++-ifications.
Matti Hamalainen <ccr@tnsp.org>
parents:
2
diff
changeset
|
472 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
473 // Define the light components and position |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
474 glLightfv(GL_LIGHT0, GL_AMBIENT, ambient); |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
475 glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse); |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
476 glLightfv(GL_LIGHT0, GL_SPECULAR, specular); |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
477 glLightfv(GL_LIGHT0, GL_POSITION, position); |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
478 } |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
479 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
480 // Define the camera |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
481 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
|
482 |
3
be31ff9e5f58
Port to libSDL2, clean up the code and some de-C++-ifications.
Matti Hamalainen <ccr@tnsp.org>
parents:
2
diff
changeset
|
483 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
484 // Main loop starts |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
485 startTime = cycleStart = SDL_GetTicks(); |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
486 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
487 while (!exitFlag) |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
488 { |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
489 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
|
490 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
491 // Check for quit events |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
492 while (SDL_PollEvent(&event)) |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
493 switch (event.type) |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
494 { |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
495 case SDL_QUIT: |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
496 exitFlag = true; |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
497 break; |
3
be31ff9e5f58
Port to libSDL2, clean up the code and some de-C++-ifications.
Matti Hamalainen <ccr@tnsp.org>
parents:
2
diff
changeset
|
498 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
499 case SDL_KEYDOWN: |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
500 switch (event.key.keysym.sym) |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
501 { |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
502 case SDLK_ESCAPE: |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
503 case SDLK_q: |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
504 exitFlag = true; |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
505 break; |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
506 } |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
507 } |
3
be31ff9e5f58
Port to libSDL2, clean up the code and some de-C++-ifications.
Matti Hamalainen <ccr@tnsp.org>
parents:
2
diff
changeset
|
508 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
509 // Render the next frame |
12
52a586c344f4
Add option -m<filename prefix> to specify mesh/shader filename prefix.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
510 dmPaintGL(modelMesh); |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
511 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
512 // Draw the current frame |
8 | 513 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
|
514 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
515 // Rotate for 2 degrees |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
516 glRotatef(2.0f, 0, 1, 0); |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
517 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
518 // Return true if a full rotation was done |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
519 if (cycleFrames++ == SET_FRAMES) |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
520 { |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
521 // Reset cycleFrames |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
522 totalFrames += cycleFrames; |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
523 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
|
524 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
525 // 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
|
526 int cycleEnd = SDL_GetTicks(); |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
527 double cycleTime = cycleEnd - cycleStart; |
10
c6c419861101
Use SDL_GetTicks() instead of std::clock().
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
528 |
c6c419861101
Use SDL_GetTicks() instead of std::clock().
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
529 // Restart the timer |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
|
530 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
|
531 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
532 // Print the current frames per second |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
533 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
|
534 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
|
535 } |
2 | 536 } |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
537 |
13
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
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538 // Show totals |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
diff
changeset
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539 totalTime = SDL_GetTicks() - startTime; |
c1e8057cc4d0
Improvements to option handling, add option for setting preferred vsync
Matti Hamalainen <ccr@tnsp.org>
parents:
12
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changeset
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540 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
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541 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
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542 |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
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5
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543 exit: |
8 | 544 if (dmGLContext != NULL) |
545 SDL_GL_DeleteContext(dmGLContext); | |
5 | 546 |
8 | 547 if (dmWindow != NULL) |
548 SDL_DestroyWindow(dmWindow); | |
6
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
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549 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
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550 SDL_Quit(); |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
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551 |
4d6fec8f0c64
Implement optional support for vertex/fragment shaders. Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
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552 return 0; |
0
3d74a9dd96e4
Initial import of Thomas Trummer's original code.
Thomas Trummer
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553 } |