Mercurial > sdl-ios-xcode
annotate test/testgl2.c @ 2171:4bd2dc41fc15
Fixed compiling the x11 driver
author | Sam Lantinga <slouken@libsdl.org> |
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date | Wed, 11 Jul 2007 14:49:44 +0000 |
parents | 8055185ae4ed |
children | 114a541cfae2 |
rev | line source |
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1 #include <stdlib.h> |
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2 #include <stdio.h> |
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3 #include <string.h> |
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4 #include <math.h> |
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5 |
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6 #include "common.h" |
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7 |
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8 #ifdef __MACOS__ |
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9 #define HAVE_OPENGL |
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10 #endif |
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11 |
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12 #ifdef HAVE_OPENGL |
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13 |
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14 #include "SDL_opengl.h" |
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15 |
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16 /* Undefine this if you want a flat cube instead of a rainbow cube */ |
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17 #define SHADED_CUBE |
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18 |
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19 static CommonState *state; |
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20 static SDL_GLContext context; |
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21 |
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22 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ |
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23 static void |
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24 quit(int rc) |
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25 { |
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26 if (context) { |
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27 SDL_GL_MakeCurrent(0, NULL); |
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28 SDL_GL_DeleteContext(context); |
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29 } |
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30 CommonQuit(state); |
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31 exit(rc); |
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32 } |
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33 |
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34 static void |
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35 Render() |
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36 { |
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37 static float color[8][3] = { |
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38 {1.0, 1.0, 0.0}, |
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39 {1.0, 0.0, 0.0}, |
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40 {0.0, 0.0, 0.0}, |
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41 {0.0, 1.0, 0.0}, |
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42 {0.0, 1.0, 1.0}, |
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43 {1.0, 1.0, 1.0}, |
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44 {1.0, 0.0, 1.0}, |
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45 {0.0, 0.0, 1.0} |
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46 }; |
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47 static float cube[8][3] = { |
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48 {0.5, 0.5, -0.5}, |
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49 {0.5, -0.5, -0.5}, |
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50 {-0.5, -0.5, -0.5}, |
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51 {-0.5, 0.5, -0.5}, |
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52 {-0.5, 0.5, 0.5}, |
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53 {0.5, 0.5, 0.5}, |
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54 {0.5, -0.5, 0.5}, |
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55 {-0.5, -0.5, 0.5} |
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56 }; |
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57 |
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58 /* Do our drawing, too. */ |
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59 glClearColor(0.0, 0.0, 0.0, 1.0); |
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60 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
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61 |
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62 glBegin(GL_QUADS); |
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63 |
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64 #ifdef SHADED_CUBE |
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65 glColor3fv(color[0]); |
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66 glVertex3fv(cube[0]); |
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67 glColor3fv(color[1]); |
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68 glVertex3fv(cube[1]); |
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69 glColor3fv(color[2]); |
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70 glVertex3fv(cube[2]); |
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71 glColor3fv(color[3]); |
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72 glVertex3fv(cube[3]); |
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73 |
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74 glColor3fv(color[3]); |
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75 glVertex3fv(cube[3]); |
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76 glColor3fv(color[4]); |
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77 glVertex3fv(cube[4]); |
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78 glColor3fv(color[7]); |
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79 glVertex3fv(cube[7]); |
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80 glColor3fv(color[2]); |
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81 glVertex3fv(cube[2]); |
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82 |
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83 glColor3fv(color[0]); |
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84 glVertex3fv(cube[0]); |
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85 glColor3fv(color[5]); |
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86 glVertex3fv(cube[5]); |
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87 glColor3fv(color[6]); |
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88 glVertex3fv(cube[6]); |
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89 glColor3fv(color[1]); |
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90 glVertex3fv(cube[1]); |
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91 |
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92 glColor3fv(color[5]); |
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93 glVertex3fv(cube[5]); |
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94 glColor3fv(color[4]); |
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95 glVertex3fv(cube[4]); |
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96 glColor3fv(color[7]); |
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97 glVertex3fv(cube[7]); |
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98 glColor3fv(color[6]); |
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99 glVertex3fv(cube[6]); |
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100 |
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101 glColor3fv(color[5]); |
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102 glVertex3fv(cube[5]); |
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103 glColor3fv(color[0]); |
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104 glVertex3fv(cube[0]); |
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105 glColor3fv(color[3]); |
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106 glVertex3fv(cube[3]); |
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107 glColor3fv(color[4]); |
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108 glVertex3fv(cube[4]); |
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109 |
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110 glColor3fv(color[6]); |
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111 glVertex3fv(cube[6]); |
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112 glColor3fv(color[1]); |
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113 glVertex3fv(cube[1]); |
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114 glColor3fv(color[2]); |
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115 glVertex3fv(cube[2]); |
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116 glColor3fv(color[7]); |
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117 glVertex3fv(cube[7]); |
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118 #else /* flat cube */ |
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119 glColor3f(1.0, 0.0, 0.0); |
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120 glVertex3fv(cube[0]); |
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|
121 glVertex3fv(cube[1]); |
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|
122 glVertex3fv(cube[2]); |
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|
123 glVertex3fv(cube[3]); |
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Added a test program framework for easy initialization.
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|
124 |
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|
125 glColor3f(0.0, 1.0, 0.0); |
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|
126 glVertex3fv(cube[3]); |
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|
127 glVertex3fv(cube[4]); |
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|
128 glVertex3fv(cube[7]); |
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|
129 glVertex3fv(cube[2]); |
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130 |
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|
131 glColor3f(0.0, 0.0, 1.0); |
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132 glVertex3fv(cube[0]); |
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|
133 glVertex3fv(cube[5]); |
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|
134 glVertex3fv(cube[6]); |
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|
135 glVertex3fv(cube[1]); |
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|
136 |
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|
137 glColor3f(0.0, 1.0, 1.0); |
a228436a2404
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|
138 glVertex3fv(cube[5]); |
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|
139 glVertex3fv(cube[4]); |
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|
140 glVertex3fv(cube[7]); |
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|
141 glVertex3fv(cube[6]); |
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142 |
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|
143 glColor3f(1.0, 1.0, 0.0); |
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|
144 glVertex3fv(cube[5]); |
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|
145 glVertex3fv(cube[0]); |
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|
146 glVertex3fv(cube[3]); |
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|
147 glVertex3fv(cube[4]); |
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148 |
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149 glColor3f(1.0, 0.0, 1.0); |
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150 glVertex3fv(cube[6]); |
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151 glVertex3fv(cube[1]); |
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152 glVertex3fv(cube[2]); |
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153 glVertex3fv(cube[7]); |
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154 #endif /* SHADED_CUBE */ |
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155 |
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156 glEnd(); |
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157 |
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158 glMatrixMode(GL_MODELVIEW); |
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159 glRotatef(5.0, 1.0, 1.0, 1.0); |
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160 } |
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161 |
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|
162 int |
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163 main(int argc, char *argv[]) |
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164 { |
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165 int fsaa, accel; |
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166 int value; |
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167 int i, done; |
1967
01e29c3e9a29
In general, fill in pointers to structures, rather than return them.
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168 SDL_DisplayMode mode; |
1915
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169 SDL_Event event; |
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|
170 Uint32 then, now, frames; |
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171 |
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172 /* Initialize parameters */ |
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173 fsaa = 0; |
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174 accel = 0; |
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175 |
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176 /* Initialize test framework */ |
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177 state = CommonCreateState(argv, SDL_INIT_VIDEO); |
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178 if (!state) { |
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179 return 1; |
1914
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180 } |
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181 for (i = 1; i < argc;) { |
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182 int consumed; |
1914
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183 |
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184 consumed = CommonArg(state, i); |
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185 if (consumed == 0) { |
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186 if (SDL_strcasecmp(argv[i], "--fsaa") == 0) { |
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187 ++fsaa; |
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188 consumed = 1; |
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189 } else if (SDL_strcasecmp(argv[i], "--accel") == 0) { |
a228436a2404
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190 ++accel; |
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191 consumed = 1; |
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|
192 } else { |
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193 consumed = -1; |
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194 } |
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Implemented multi-window OpenGL program with test framework.
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195 } |
a228436a2404
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|
196 if (consumed < 0) { |
1985
8055185ae4ed
Added source color and alpha modulation support.
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1967
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|
197 fprintf(stderr, "Usage: %s %s [--fsaa] [--accel]\n", argv[0], |
1915
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|
198 CommonUsage(state)); |
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199 quit(1); |
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|
200 } |
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|
201 i += consumed; |
1914
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Added a test program framework for easy initialization.
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|
202 } |
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Added a test program framework for easy initialization.
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|
203 |
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|
204 /* Set OpenGL parameters */ |
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205 state->window_flags |= SDL_WINDOW_OPENGL; |
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206 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5); |
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|
207 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5); |
a228436a2404
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|
208 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5); |
1914
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Added a test program framework for easy initialization.
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|
209 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16); |
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Added a test program framework for easy initialization.
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|
210 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); |
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Added a test program framework for easy initialization.
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diff
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|
211 if (fsaa) { |
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Added a test program framework for easy initialization.
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|
212 SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1); |
051df511279c
Added a test program framework for easy initialization.
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|
213 SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, fsaa); |
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|
214 } |
051df511279c
Added a test program framework for easy initialization.
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diff
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|
215 if (accel) { |
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|
216 SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL, 1); |
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|
217 } |
1915
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218 if (!CommonInit(state)) { |
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219 quit(2); |
1914
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Added a test program framework for easy initialization.
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|
220 } |
1915
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221 |
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|
222 /* Create OpenGL context */ |
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|
223 context = SDL_GL_CreateContext(state->windows[0]); |
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|
224 if (!context) { |
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|
225 fprintf(stderr, "SDL_GL_CreateContext(): %s\n", SDL_GetError()); |
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226 quit(2); |
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|
227 } |
a228436a2404
Implemented multi-window OpenGL program with test framework.
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diff
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|
228 if (SDL_GL_MakeCurrent(state->windows[0], context) < 0) { |
a228436a2404
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|
229 fprintf(stderr, "SDL_GL_MakeCurrent(): %s\n", SDL_GetError()); |
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230 quit(2); |
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diff
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|
231 } |
a228436a2404
Implemented multi-window OpenGL program with test framework.
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diff
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|
232 |
1965
a788656ca29a
SDL constants are all uppercase.
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1936
diff
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|
233 if (state->render_flags & SDL_RENDERER_PRESENTVSYNC) { |
1914
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|
234 SDL_GL_SetSwapInterval(1); |
051df511279c
Added a test program framework for easy initialization.
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diff
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|
235 } else { |
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Added a test program framework for easy initialization.
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diff
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|
236 SDL_GL_SetSwapInterval(0); |
051df511279c
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|
237 } |
051df511279c
Added a test program framework for easy initialization.
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diff
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|
238 |
1967
01e29c3e9a29
In general, fill in pointers to structures, rather than return them.
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1965
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|
239 SDL_GetCurrentDisplayMode(&mode); |
01e29c3e9a29
In general, fill in pointers to structures, rather than return them.
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diff
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|
240 printf("Screen BPP: %d\n", SDL_BITSPERPIXEL(mode.format)); |
1914
051df511279c
Added a test program framework for easy initialization.
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parents:
diff
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|
241 printf("\n"); |
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242 printf("Vendor : %s\n", glGetString(GL_VENDOR)); |
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243 printf("Renderer : %s\n", glGetString(GL_RENDERER)); |
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244 printf("Version : %s\n", glGetString(GL_VERSION)); |
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245 printf("Extensions : %s\n", glGetString(GL_EXTENSIONS)); |
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246 printf("\n"); |
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247 |
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248 SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &value); |
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249 printf("SDL_GL_RED_SIZE: requested %d, got %d\n", 5, value); |
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250 SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &value); |
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251 printf("SDL_GL_GREEN_SIZE: requested %d, got %d\n", 5, value); |
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252 SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &value); |
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253 printf("SDL_GL_BLUE_SIZE: requested %d, got %d\n", 5, value); |
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254 SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &value); |
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255 printf("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", 16, value); |
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256 SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &value); |
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257 printf("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value); |
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258 if (fsaa) { |
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259 SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &value); |
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260 printf("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value); |
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261 SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &value); |
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262 printf("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa, |
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263 value); |
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264 } |
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265 if (accel) { |
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266 SDL_GL_GetAttribute(SDL_GL_ACCELERATED_VISUAL, &value); |
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267 printf("SDL_GL_ACCELERATED_VISUAL: requested 1, got %d\n", value); |
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268 } |
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269 |
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270 /* Set rendering settings */ |
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271 glMatrixMode(GL_PROJECTION); |
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272 glLoadIdentity(); |
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273 glOrtho(-2.0, 2.0, -2.0, 2.0, -20.0, 20.0); |
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274 glMatrixMode(GL_MODELVIEW); |
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275 glLoadIdentity(); |
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276 glEnable(GL_DEPTH_TEST); |
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277 glDepthFunc(GL_LESS); |
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278 glShadeModel(GL_SMOOTH); |
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279 |
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280 /* Main render loop */ |
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281 frames = 0; |
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282 then = SDL_GetTicks(); |
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283 done = 0; |
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284 while (!done) { |
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285 /* Check for events */ |
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286 ++frames; |
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287 while (SDL_PollEvent(&event)) { |
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288 CommonEvent(state, &event, &done); |
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289 } |
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290 for (i = 0; i < state->num_windows; ++i) { |
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291 int w, h; |
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292 SDL_GL_MakeCurrent(state->windows[i], context); |
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293 SDL_GetWindowSize(state->windows[i], &w, &h); |
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294 glViewport(0, 0, w, h); |
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295 Render(); |
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296 SDL_GL_SwapWindow(state->windows[i]); |
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297 } |
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298 } |
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299 |
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300 /* Print out some timing information */ |
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301 now = SDL_GetTicks(); |
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302 if (now > then) { |
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303 printf("%2.2f frames per second\n", |
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304 ((double) frames * 1000) / (now - then)); |
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305 } |
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306 quit(0); |
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307 } |
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308 |
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309 #else /* HAVE_OPENGL */ |
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310 |
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311 int |
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312 main(int argc, char *argv[]) |
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313 { |
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314 printf("No OpenGL support on this system\n"); |
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315 return 1; |
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316 } |
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317 |
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318 #endif /* HAVE_OPENGL */ |