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annotate test/testgles.c @ 3138:7100a1a20143 gsoc2009_IME

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author Jiang Jiang <gzjjgod@gmail.com>
date Thu, 20 Aug 2009 04:54:24 +0000
parents e6c21c14ce3a
children 7f684f249ec9
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 __IPHONEOS__
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9 #define HAVE_OPENGLES
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10 #endif
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11
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12 #ifdef HAVE_OPENGLES
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13
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14 #include "SDL_opengles.h"
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15
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16 static CommonState *state;
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17 static SDL_GLContext *context=NULL;
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18
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19 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
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20 static void
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21 quit(int rc)
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22 {
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23 int i;
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24
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25 if (context!=NULL)
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26 {
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27 for (i=0; i<state->num_windows; i++)
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28 {
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29 if (context[i]) {
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30 SDL_GL_DeleteContext(context[i]);
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31 }
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32 }
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33
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34 SDL_free(context);
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35 }
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36
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37 CommonQuit(state);
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38 exit(rc);
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39 }
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40
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41 static void
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42 Render()
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43 {
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44 static GLubyte color[8][4] = { {255, 0, 0, 0},
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45 {255, 0, 0, 255},
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46 {0, 255, 0, 255},
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47 {0, 255, 0, 255},
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48 {0, 255, 0, 255},
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49 {255, 255, 255, 255},
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50 {255, 0, 255, 255},
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51 {0, 0, 255, 255}
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52 };
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53 static GLfloat cube[8][3] = { {0.5, 0.5, -0.5},
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54 {0.5f, -0.5f, -0.5f},
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55 {-0.5f, -0.5f, -0.5f},
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56 {-0.5f, 0.5f, -0.5f},
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57 {-0.5f, 0.5f, 0.5f},
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58 {0.5f, 0.5f, 0.5f},
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59 {0.5f, -0.5f, 0.5f},
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60 {-0.5f, -0.5f, 0.5f}
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61 };
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62 static GLubyte indices[36] = { 0, 3, 4,
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63 4, 5, 0,
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64 0, 5, 6,
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65 6, 1, 0,
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66 6, 7, 2,
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67 2, 1, 6,
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68 7, 4, 3,
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69 3, 2, 7,
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70 5, 4, 7,
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71 7, 6, 5,
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72 2, 3, 1,
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73 3, 0, 1
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74 };
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75
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76
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77 /* Do our drawing, too. */
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78 glClearColor(0.0, 0.0, 0.0, 1.0);
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79 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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80
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81 /* Draw the cube */
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82 glColorPointer(4, GL_UNSIGNED_BYTE, 0, color);
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83 glEnableClientState(GL_COLOR_ARRAY);
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84 glVertexPointer(3, GL_FLOAT, 0, cube);
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85 glEnableClientState(GL_VERTEX_ARRAY);
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86 glDrawElements(GL_TRIANGLES, 36, GL_UNSIGNED_BYTE, indices);
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87
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88 glMatrixMode(GL_MODELVIEW);
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89 glRotatef(5.0, 1.0, 1.0, 1.0);
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90 }
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91
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92 int
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93 main(int argc, char *argv[])
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94 {
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95 int fsaa, accel;
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96 int value;
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97 int i, done;
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98 SDL_DisplayMode mode;
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99 SDL_Event event;
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100 Uint32 then, now, frames;
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101 int status;
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102
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103 /* Initialize parameters */
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104 fsaa = 0;
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105 accel = 0;
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106
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107 /* Initialize test framework */
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108 state = CommonCreateState(argv, SDL_INIT_VIDEO);
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109 if (!state) {
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110 return 1;
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111 }
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112 for (i = 1; i < argc;) {
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113 int consumed;
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114
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115 consumed = CommonArg(state, i);
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116 if (consumed == 0) {
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117 if (SDL_strcasecmp(argv[i], "--fsaa") == 0) {
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118 ++fsaa;
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119 consumed = 1;
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120 } else if (SDL_strcasecmp(argv[i], "--accel") == 0) {
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121 ++accel;
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122 consumed = 1;
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123 } else {
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124 consumed = -1;
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125 }
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126 }
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127 if (consumed < 0) {
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128 fprintf(stderr, "Usage: %s %s [--fsaa] [--accel]\n", argv[0],
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129 CommonUsage(state));
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130 quit(1);
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131 }
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132 i += consumed;
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133 }
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134
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135 /* Set OpenGL parameters */
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136 state->window_flags |= SDL_WINDOW_OPENGL;
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137 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
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138 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
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139 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
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140 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
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141 if (fsaa) {
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142 SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
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143 SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, fsaa);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 if (accel) {
f55c87ae336b Final merge of Google Summer of Code 2008 work...
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parents:
diff changeset
146 SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL, 1);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148 if (!CommonInit(state)) {
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149 quit(2);
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151
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diff changeset
152 context=SDL_calloc(state->num_windows, sizeof(SDL_GLContext));
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
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parents: 3099
diff changeset
153 if (context==NULL)
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
154 {
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
155 fprintf(stderr, "Out of memory!\n");
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
156 quit(2);
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
157 }
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
158
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
159 /* Create OpenGL ES contexts */
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
160 for (i=0; i<state->num_windows; i++)
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
161 {
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
162 context[i] = SDL_GL_CreateContext(state->windows[i]);
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
163 if (!context[i]) {
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
164 fprintf(stderr, "SDL_GL_CreateContext(): %s\n", SDL_GetError());
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
165 quit(2);
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
166 }
2765
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diff changeset
167 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 if (state->render_flags & SDL_RENDERER_PRESENTVSYNC) {
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parents:
diff changeset
170 SDL_GL_SetSwapInterval(1);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 } else {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 SDL_GL_SetSwapInterval(0);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 SDL_GetCurrentDisplayMode(&mode);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 printf("Screen BPP: %d\n", SDL_BITSPERPIXEL(mode.format));
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parents:
diff changeset
177 printf("\n");
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diff changeset
178 printf("Vendor : %s\n", glGetString(GL_VENDOR));
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179 printf("Renderer : %s\n", glGetString(GL_RENDERER));
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
180 printf("Version : %s\n", glGetString(GL_VERSION));
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 printf("Extensions : %s\n", glGetString(GL_EXTENSIONS));
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parents:
diff changeset
182 printf("\n");
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183
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diff changeset
184 status=SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &value);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
185 if (!status) {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
186 printf("SDL_GL_RED_SIZE: requested %d, got %d\n", 5, value);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
187 } else {
3110
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parents: 3099
diff changeset
188 fprintf(stderr, "Failed to get SDL_GL_RED_SIZE: %s\n", SDL_GetError());
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
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parents: 2765
diff changeset
189 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
190 status=SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &value);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
191 if (!status) {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
192 printf("SDL_GL_GREEN_SIZE: requested %d, got %d\n", 5, value);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
193 } else {
3110
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Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
194 fprintf(stderr, "Failed to get SDL_GL_GREEN_SIZE: %s\n", SDL_GetError());
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
195 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
196 status=SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &value);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
197 if (!status) {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
198 printf("SDL_GL_BLUE_SIZE: requested %d, got %d\n", 5, value);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
199 } else {
3110
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
200 fprintf(stderr, "Failed to get SDL_GL_BLUE_SIZE: %s\n", SDL_GetError());
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
201 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
202 status=SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &value);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
203 if (!status) {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
204 printf("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", 16, value);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
205 } else {
3110
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
206 fprintf(stderr, "Failed to get SDL_GL_DEPTH_SIZE: %s\n", SDL_GetError());
3099
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Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
207 }
2765
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diff changeset
208 if (fsaa) {
3099
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diff changeset
209 status=SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &value);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
210 if (!status) {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
211 printf("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
212 } else {
3110
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
213 fprintf(stderr, "Failed to get SDL_GL_MULTISAMPLEBUFFERS: %s\n", SDL_GetError());
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
214 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
215 status=SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &value);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
216 if (!status) {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
217 printf("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa, value);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
218 } else {
3110
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
219 fprintf(stderr, "Failed to get SDL_GL_MULTISAMPLESAMPLES: %s\n", SDL_GetError());
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
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parents: 2765
diff changeset
220 }
2765
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 if (accel) {
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
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parents: 2765
diff changeset
223 status=SDL_GL_GetAttribute(SDL_GL_ACCELERATED_VISUAL, &value);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
224 if (!status)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
225 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
226 printf("SDL_GL_ACCELERATED_VISUAL: requested 1, got %d\n", value);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
227 } else {
3110
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
228 fprintf(stderr, "Failed to get SDL_GL_ACCELERATED_VISUAL: %s\n", SDL_GetError());
3099
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parents: 2765
diff changeset
229 }
2765
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diff changeset
230 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231
3110
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
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parents: 3099
diff changeset
232 /* Set rendering settings for each context */
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
233 for (i = 0; i < state->num_windows; ++i) {
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
234 status=SDL_GL_MakeCurrent(state->windows[i], context[i]);
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
235 if (status)
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
236 {
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
237 printf("SDL_GL_MakeCurrent(): %s\n", SDL_GetError());
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
238
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
239 /* Continue for next window */
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
240 continue;
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
241 }
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
242
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
243 glMatrixMode(GL_PROJECTION);
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
244 glLoadIdentity();
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
245 glOrthof(-2.0, 2.0, -2.0, 2.0, -20.0, 20.0);
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
246 glMatrixMode(GL_MODELVIEW);
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
247 glLoadIdentity();
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
248 glEnable(GL_DEPTH_TEST);
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
249 glDepthFunc(GL_LESS);
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
250 glShadeModel(GL_SMOOTH);
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
251 }
2765
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parents:
diff changeset
252
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 /* Main render loop */
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 frames = 0;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 then = SDL_GetTicks();
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 done = 0;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 while (!done) {
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 /* Check for events */
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 ++frames;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 while (SDL_PollEvent(&event)) {
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 CommonEvent(state, &event, &done);
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 for (i = 0; i < state->num_windows; ++i) {
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 int w, h;
3110
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
265 status=SDL_GL_MakeCurrent(state->windows[i], context[i]);
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
266 if (status)
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
267 {
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
268 printf("SDL_GL_MakeCurrent(): %s\n", SDL_GetError());
e6c21c14ce3a Added OpenGL ES context creation for the each window which has been created (for --windows=N option).
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269
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270 /* Continue for next window */
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271 continue;
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272 }
2765
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273 SDL_GetWindowSize(state->windows[i], &w, &h);
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274 glViewport(0, 0, w, h);
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275 Render();
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276 SDL_GL_SwapWindow(state->windows[i]);
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277 }
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278 }
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279
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280 /* Print out some timing information */
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281 now = SDL_GetTicks();
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282 if (now > then) {
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283 printf("%2.2f frames per second\n",
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284 ((double) frames * 1000) / (now - then));
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285 }
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286 quit(0);
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287 return 0;
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288 }
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289
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290 #else /* HAVE_OPENGLES */
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291
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292 int
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293 main(int argc, char *argv[])
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294 {
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295 printf("No OpenGL ES support on this system\n");
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296 return 1;
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297 }
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298
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299 #endif /* HAVE_OPENGLES */