annotate android/testproject/jni/lesson05.c @ 4708:f3f65cb6a382

Added egl headers so we can use eglMakeCurrent()
author Paul Hunkin <paul@bieh.net>
date Fri, 18 Jun 2010 01:28:39 +1200
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children aeac51289991
rev   line source
4708
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1 /*
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2 * This code was created by Jeff Molofee '99
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3 * (ported to Linux/SDL by Ti Leggett '01)
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4 *
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5 * If you've found this code useful, please let me know.
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6 *
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7 * Visit Jeff at http://nehe.gamedev.net/
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8 *
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9 * or for port-specific comments, questions, bugreports etc.
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10 * email to leggett@eecs.tulane.edu
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11 */
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12
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13 #include <stdio.h>
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14 #include <stdlib.h>
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15 #include <math.h>
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16
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17 #include <android/log.h>
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18
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19
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20 #ifdef ANDROID
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21 #include <GLES/gl.h>
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22 #else
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23 #include <GL/gl.h>
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24 #include <GL/glu.h>
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25 #endif
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26 #include "SDL.h"
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27
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28 /* screen width, height, and bit depth */
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29 #define SCREEN_WIDTH 320
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30 #define SCREEN_HEIGHT 480
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31 #define SCREEN_BPP 16
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32
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33 /* Define our booleans */
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34 #define TRUE 1
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35 #define FALSE 0
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36
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37 /* This is our SDL surface */
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38 SDL_Surface *surface;
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39
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40
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41 /**************************************
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42 gluperspective implementation
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43 **************************************/
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44 void gluPerspective(double fovy, double aspect, double zNear, double zFar){
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45 glMatrixMode(GL_PROJECTION);
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46 glLoadIdentity();
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47 double xmin, xmax, ymin, ymax;
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48 ymax = zNear * tan(fovy * M_PI / 360.0);
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49 ymin = -ymax;
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50 xmin = ymin * aspect;
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51 xmax = ymax * aspect;
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52 glFrustumf(xmin, xmax, ymin, ymax, zNear, zFar);
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53 }
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54
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55
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56 /**************************************
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57 glulookat implementation
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58 **************************************/
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59 void gluLookAt(GLfloat eyex, GLfloat eyey, GLfloat eyez,
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60 GLfloat centerx, GLfloat centery, GLfloat centerz,
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61 GLfloat upx, GLfloat upy, GLfloat upz)
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62 {
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63 GLfloat m[16];
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64 GLfloat x[3], y[3], z[3];
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65 GLfloat mag;
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66
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67 /* Make rotation matrix */
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68
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69 /* Z vector */
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70 z[0] = eyex - centerx;
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71 z[1] = eyey - centery;
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72 z[2] = eyez - centerz;
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73 mag = sqrt(z[0] * z[0] + z[1] * z[1] + z[2] * z[2]);
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74 if (mag) { /* mpichler, 19950515 */
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75 z[0] /= mag;
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76 z[1] /= mag;
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77 z[2] /= mag;
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78 }
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79
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80 /* Y vector */
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81 y[0] = upx;
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82 y[1] = upy;
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83 y[2] = upz;
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84
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85 /* X vector = Y cross Z */
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86 x[0] = y[1] * z[2] - y[2] * z[1];
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87 x[1] = -y[0] * z[2] + y[2] * z[0];
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88 x[2] = y[0] * z[1] - y[1] * z[0];
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89
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90 /* Recompute Y = Z cross X */
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91 y[0] = z[1] * x[2] - z[2] * x[1];
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92 y[1] = -z[0] * x[2] + z[2] * x[0];
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93 y[2] = z[0] * x[1] - z[1] * x[0];
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94
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95 /* mpichler, 19950515 */
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96 /* cross product gives area of parallelogram, which is < 1.0 for
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97 * non-perpendicular unit-length vectors; so normalize x, y here
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98 */
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99
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100 mag = sqrt(x[0] * x[0] + x[1] * x[1] + x[2] * x[2]);
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101 if (mag) {
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102 x[0] /= mag;
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103 x[1] /= mag;
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104 x[2] /= mag;
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105 }
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106
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107 mag = sqrt(y[0] * y[0] + y[1] * y[1] + y[2] * y[2]);
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108 if (mag) {
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109 y[0] /= mag;
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110 y[1] /= mag;
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111 y[2] /= mag;
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112 }
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113
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114 #define M(row,col) m[col*4+row]
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115 M(0, 0) = x[0];
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116 M(0, 1) = x[1];
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117 M(0, 2) = x[2];
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118 M(0, 3) = 0.0;
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119 M(1, 0) = y[0];
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120 M(1, 1) = y[1];
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121 M(1, 2) = y[2];
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122 M(1, 3) = 0.0;
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123 M(2, 0) = z[0];
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124 M(2, 1) = z[1];
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125 M(2, 2) = z[2];
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126 M(2, 3) = 0.0;
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127 M(3, 0) = 0.0;
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128 M(3, 1) = 0.0;
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129 M(3, 2) = 0.0;
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130 M(3, 3) = 1.0;
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131 #undef M
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132 glMultMatrixf(m);
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133
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134 /* Translate Eye to Origin */
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135 glTranslatef(-eyex, -eyey, -eyez);
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136
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137 }
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138
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139
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
140
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
141
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Paul Hunkin <paul@bieh.net>
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diff changeset
142
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Paul Hunkin <paul@bieh.net>
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diff changeset
143 /* function to release/destroy our resources and restoring the old desktop */
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144 void Quit( int returnCode )
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145 {
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Paul Hunkin <paul@bieh.net>
parents:
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146 /* clean up the window */
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diff changeset
147 SDL_Quit( );
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148
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Paul Hunkin <paul@bieh.net>
parents:
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149 /* and exit appropriately */
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parents:
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150 exit( returnCode );
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Paul Hunkin <paul@bieh.net>
parents:
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151 }
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Paul Hunkin <paul@bieh.net>
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152
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
153 /* function to reset our viewport after a window resize */
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Paul Hunkin <paul@bieh.net>
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154 int resizeWindow( int width, int height )
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Paul Hunkin <paul@bieh.net>
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155 {
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Paul Hunkin <paul@bieh.net>
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156 /* Height / width ration */
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157 GLfloat ratio;
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158
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Paul Hunkin <paul@bieh.net>
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159 /* Protect against a divide by zero */
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Paul Hunkin <paul@bieh.net>
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160 if ( height == 0 )
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161 height = 1;
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162
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163 ratio = ( GLfloat )width / ( GLfloat )height;
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164
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165 /* Setup our viewport. */
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166 glViewport( 0, 0, ( GLsizei )width, ( GLsizei )height );
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167
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Paul Hunkin <paul@bieh.net>
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168 /* change to the projection matrix and set our viewing volume. */
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169 glMatrixMode( GL_PROJECTION );
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170 glLoadIdentity( );
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171
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Paul Hunkin <paul@bieh.net>
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172 /* Set our perspective */
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173 gluPerspective( 45.0f, ratio, 0.1f, 100.0f );
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174
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175 /* Make sure we're chaning the model view and not the projection */
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176 glMatrixMode( GL_MODELVIEW );
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177
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178 /* Reset The View */
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179 glLoadIdentity( );
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180
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181 return( TRUE );
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182 }
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183
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184 /* function to handle key press events */
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185 void handleKeyPress( SDL_keysym *keysym )
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186 {
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187 switch ( keysym->sym )
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188 {
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189 case SDLK_ESCAPE:
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190 /* ESC key was pressed */
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191 Quit( 0 );
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192 break;
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193 case SDLK_F1:
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194 /* F1 key was pressed
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195 * this toggles fullscreen mode
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196 */
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197 SDL_WM_ToggleFullScreen( surface );
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198 break;
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199 default:
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200 break;
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201 }
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202
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203 return;
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204 }
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205
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206 /* general OpenGL initialization function */
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207 int initGL( GLvoid )
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208 {
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209
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210 /* Enable smooth shading */
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211 glShadeModel( GL_SMOOTH );
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212
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213 /* Set the background black */
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214 glClearColor( 0.0f, 0.0f, 0.0f, 0.0f );
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215
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216 /* Depth buffer setup */
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217 //glClearDepth( 1.0f );
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218
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219 /* Enables Depth Testing */
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220 glEnable( GL_DEPTH_TEST );
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221
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Paul Hunkin <paul@bieh.net>
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222 /* The Type Of Depth Test To Do */
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Paul Hunkin <paul@bieh.net>
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223 glDepthFunc( GL_LEQUAL );
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224
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225 /* Really Nice Perspective Calculations */
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226 glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST );
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227
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228 return( TRUE );
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229 }
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230
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231 /* Here goes our drawing code */
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232 int drawGLScene( GLvoid )
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233 {
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234 static int Frames = 0;
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235 static int T0 = 0;
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236
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237 glViewport(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT);
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238
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Paul Hunkin <paul@bieh.net>
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239 glClearColorx(0,0,Frames,255);
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240 glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
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241
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Paul Hunkin <paul@bieh.net>
parents:
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242 glMatrixMode(GL_PROJECTION);
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Paul Hunkin <paul@bieh.net>
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243 glLoadIdentity();
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244 gluPerspective(45, (float)SCREEN_WIDTH / SCREEN_HEIGHT, 0.5f, 150);
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245
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Paul Hunkin <paul@bieh.net>
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246 glMatrixMode(GL_MODELVIEW);
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Paul Hunkin <paul@bieh.net>
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247
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248 glLoadIdentity();
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249
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Paul Hunkin <paul@bieh.net>
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250 //Camera
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Paul Hunkin <paul@bieh.net>
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251 gluLookAt(0,0,5, 0,0,0, 0,1,0);
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252
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Paul Hunkin <paul@bieh.net>
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253 //Draw a triangle
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254 //glRotatef(iRot, 0, 1, 0);
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255
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256 glRotatef( Frames % 360, 0.0f, 1.0f, 0.0f );
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257
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258
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Paul Hunkin <paul@bieh.net>
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259 glEnableClientState (GL_VERTEX_ARRAY);
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parents:
diff changeset
260 glEnableClientState (GL_COLOR_ARRAY);
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261
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
262 /* Rotate The Triangle On The Y axis ( NEW ) */
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
263 glRotatef( Frames % 360, 0.0f, 1.0f, 0.0f );
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264
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Paul Hunkin <paul@bieh.net>
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diff changeset
265 /* GLES variant of drawing a triangle */
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Paul Hunkin <paul@bieh.net>
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266 const GLfloat triVertices[][9] = {
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267 { /* Front Triangle */
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268 0.0f, 1.0f, 0.0f, /* Top Of Triangle */
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269 -1.0f, -1.0f, 1.0f, /* Left Of Triangle */
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270 1.0f, -1.0f, 1.0f /* Right Of Triangle */
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271 }, { /* Right Triangle */
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diff changeset
272 0.0f, 1.0f, 0.0f, /* Top Of Triangle */
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273 1.0f, -1.0f, 1.0f, /* Left Of Triangle */
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diff changeset
274 1.0f, -1.0f, -1.0f /* Right Of Triangle */
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275 }, { /* Back Triangle */
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diff changeset
276 0.0f, 1.0f, 0.0f, /* Top Of Triangle */
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diff changeset
277 1.0f, -1.0f, -1.0f, /* Left Of Triangle */
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diff changeset
278 -1.0f, -1.0f, -1.0f /* Right Of Triangle */
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279 }, { /* Left Triangle */
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diff changeset
280 0.0f, 1.0f, 0.0f, /* Top Of Triangle */
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281 -1.0f, -1.0f, -1.0f, /* Left Of Triangle */
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Paul Hunkin <paul@bieh.net>
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282 -1.0f, -1.0f, 1.0f /* Right Of Triangle */
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283 }
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Paul Hunkin <paul@bieh.net>
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diff changeset
284 };
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285
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286 /* unlike GL, GLES does not support RGB. We have to use RGBA instead */
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287 const GLfloat triColors[][12] = {
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Paul Hunkin <paul@bieh.net>
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288 { /* Front triangle */
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289 1.0f, 0.0f, 0.0f, 1.0f, /* Red */
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290 0.0f, 1.0f, 0.0f, 1.0f, /* Green */
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291 0.0f, 0.0f, 1.0f, 1.0f /* Blue */
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parents:
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292 }, { /* Right triangle */
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diff changeset
293 1.0f, 0.0f, 0.0f, 1.0f, /* Red */
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294 0.0f, 0.0f, 1.0f, 1.0f, /* Blue */
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295 0.0f, 1.0f, 0.0f, 1.0f /* Green */
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Paul Hunkin <paul@bieh.net>
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diff changeset
296 }, { /* Back triangle */
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diff changeset
297 1.0f, 0.0f, 0.0f, 1.0f, /* Red */
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298 0.0f, 1.0f, 0.0f, 1.0f, /* Green */
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diff changeset
299 0.0f, 0.0f, 1.0f, 1.0f /* Blue */
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diff changeset
300 }, { /* Left triangle */
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diff changeset
301 1.0f, 0.0f, 0.0f, 1.0f, /* Red */
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diff changeset
302 0.0f, 0.0f, 1.0f, 1.0f, /* Blue */
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diff changeset
303 0.0f, 1.0f, 0.0f, 1.0f /* Green */
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
304 }
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
305 };
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Paul Hunkin <paul@bieh.net>
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diff changeset
306
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Paul Hunkin <paul@bieh.net>
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307 glEnableClientState(GL_COLOR_ARRAY);
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Paul Hunkin <paul@bieh.net>
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diff changeset
308
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Paul Hunkin <paul@bieh.net>
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diff changeset
309 int tri=0;
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310
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Paul Hunkin <paul@bieh.net>
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311 /* Loop through all Triangles */
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diff changeset
312 for(tri=0;tri<sizeof(triVertices)/(9*sizeof(GLfloat));tri++)
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313 {
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314 glVertexPointer(3, GL_FLOAT, 0, triVertices[tri]);
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315 glColorPointer(4, GL_FLOAT, 0, triColors[tri]);
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316
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Paul Hunkin <paul@bieh.net>
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317 glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);
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318 }
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319
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320 //__android_log_print(ANDROID_LOG_INFO, "SDL", "render %d", Frames++);
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321
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322 /* Draw it to the screen */
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Paul Hunkin <paul@bieh.net>
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323 SDL_GL_SwapBuffers( );
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324
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Paul Hunkin <paul@bieh.net>
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325 /* Gather our frames per second */
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326 Frames++;
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Paul Hunkin <paul@bieh.net>
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327 {
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Paul Hunkin <paul@bieh.net>
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328 GLint t = SDL_GetTicks();
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
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diff changeset
329 if (t - T0 >= 5000) {
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Paul Hunkin <paul@bieh.net>
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330 GLfloat seconds = (t - T0) / 1000.0;
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331 GLfloat fps = Frames / seconds;
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diff changeset
332 __android_log_print(ANDROID_LOG_INFO, "SDL","%d frames in %g seconds = %g FPS\n", Frames, seconds, fps);
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
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333 T0 = t;
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Paul Hunkin <paul@bieh.net>
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334 Frames = 0;
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
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335 }
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
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336 }
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Paul Hunkin <paul@bieh.net>
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337
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Paul Hunkin <paul@bieh.net>
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338 return( TRUE );
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
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339 }
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Paul Hunkin <paul@bieh.net>
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340
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
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341 int SDL_main( int argc, char **argv )
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Paul Hunkin <paul@bieh.net>
parents:
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342 {
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
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343
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Paul Hunkin <paul@bieh.net>
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344 __android_log_print(ANDROID_LOG_INFO, "SDL","entry\n");
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345
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
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346 /* Flags to pass to SDL_SetVideoMode */
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Paul Hunkin <paul@bieh.net>
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347 int videoFlags;
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Paul Hunkin <paul@bieh.net>
parents:
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348 /* main loop variable */
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Paul Hunkin <paul@bieh.net>
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349 int done = FALSE;
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Paul Hunkin <paul@bieh.net>
parents:
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350 /* used to collect events */
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Paul Hunkin <paul@bieh.net>
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351 SDL_Event event;
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
352 /* this holds some info about our display */
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Paul Hunkin <paul@bieh.net>
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353 const SDL_VideoInfo *videoInfo;
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
354 /* whether or not the window is active */
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Paul Hunkin <paul@bieh.net>
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355 int isActive = TRUE;
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Paul Hunkin <paul@bieh.net>
parents:
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356
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
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357 /* initialize SDL */
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
358 if ( SDL_Init( SDL_INIT_VIDEO ) < 0 )
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
359 {
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
360 __android_log_print(ANDROID_LOG_INFO, "SDL", "Video initialization failed: %s\n",
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parents:
diff changeset
361 SDL_GetError( ) );
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Paul Hunkin <paul@bieh.net>
parents:
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362 Quit( 1 );
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
363 }
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
364
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
365 /* Fetch the video info */
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
366 videoInfo = SDL_GetVideoInfo( );
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
367
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
368 if ( !videoInfo )
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
369 {
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
370 __android_log_print(ANDROID_LOG_INFO, "SDL", "Video query failed: %s\n",
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
371 SDL_GetError( ) );
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
372 Quit( 1 );
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
373 }
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
374
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
375 /* the flags to pass to SDL_SetVideoMode */
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
376 videoFlags = SDL_OPENGL; /* Enable OpenGL in SDL */
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
377 videoFlags |= SDL_GL_DOUBLEBUFFER; /* Enable double buffering */
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
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parents:
diff changeset
378 videoFlags |= SDL_HWPALETTE; /* Store the palette in hardware */
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
379 videoFlags |= SDL_RESIZABLE; /* Enable window resizing */
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
380
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
381 /* This checks to see if surfaces can be stored in memory */
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
382 if ( videoInfo->hw_available )
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
383 videoFlags |= SDL_HWSURFACE;
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
384 else
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
385 videoFlags |= SDL_SWSURFACE;
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
386
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
387 /* This checks if hardware blits can be done */
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
388 if ( videoInfo->blit_hw )
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
389 videoFlags |= SDL_HWACCEL;
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
390
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
391 /* Sets up OpenGL double buffering */
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
392 SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
393
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
394 /* get a SDL surface */
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
395 surface = SDL_SetVideoMode( SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP,
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
396 videoFlags );
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
397
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
398 /* Verify there is a surface */
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
399 if ( !surface )
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
400 {
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
401 __android_log_print(ANDROID_LOG_INFO, "SDL", "Video mode set failed: %s\n", SDL_GetError( ) );
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
402 Quit( 1 );
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
403 }
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
404
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
405 __android_log_print(ANDROID_LOG_INFO, "SDL","Made a video mode!\n");
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
406
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
407 /* initialize OpenGL */
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
408 initGL( );
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
409
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
410 /* resize the initial window */
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
411 resizeWindow( SCREEN_WIDTH, SCREEN_HEIGHT );
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
412
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
413 /* wait for events */
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
414 while ( !done )
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
415 {
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
416 /* handle the events in the queue */
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
417
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
418 while ( SDL_PollEvent( &event ) )
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
419 {
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
420 switch( event.type )
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
421 {
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
422 case SDL_ACTIVEEVENT:
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
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423 /* Something's happend with our focus
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
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424 * If we lost focus or we are iconified, we
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
425 * shouldn't draw the screen
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
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426 */
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
427 if ( event.active.gain == 0 )
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
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428 isActive = FALSE;
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
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429 else
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Paul Hunkin <paul@bieh.net>
parents:
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430 isActive = TRUE;
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Paul Hunkin <paul@bieh.net>
parents:
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431 break;
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
432 case SDL_VIDEORESIZE:
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Paul Hunkin <paul@bieh.net>
parents:
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433 /* handle resize event */
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
434 surface = SDL_SetVideoMode( event.resize.w,
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
435 event.resize.h,
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
436 16, videoFlags );
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
437 if ( !surface )
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
438 {
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
439 __android_log_print(ANDROID_LOG_INFO, "SDL","Could not get a surface after resize: %s\n", SDL_GetError( ) );
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Paul Hunkin <paul@bieh.net>
parents:
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440 Quit( 1 );
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
441 }
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
442 resizeWindow( event.resize.w, event.resize.h );
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
443 break;
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
444 case SDL_KEYDOWN:
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
445 /* handle key presses */
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
446 handleKeyPress( &event.key.keysym );
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Paul Hunkin <paul@bieh.net>
parents:
diff changeset
447 break;
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
448 case SDL_QUIT:
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
449 /* handle quit requests */
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
450 done = TRUE;
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
451 break;
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
452 default:
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
453 break;
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
454 }
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
455 }
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
456
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
457 /* draw the scene */
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
458 if ( isActive )
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
459 drawGLScene( );
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
460 }
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
461
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
462 /* clean ourselves up and exit */
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
463 Quit( 0 );
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
464
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
465 /* Should never get here */
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
466 return( 0 );
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
467 }
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
468
f3f65cb6a382 Added egl headers so we can use eglMakeCurrent()
Paul Hunkin <paul@bieh.net>
parents:
diff changeset
469