annotate test/testgles.c @ 3264:8fe0806637df

Fixed bug #783 Fixed coordinate positioning with OpenGL renderer, and added a test case
author Sam Lantinga <slouken@libsdl.org>
date Sat, 19 Sep 2009 05:12:26 +0000
parents c18c03927a77
children c64ae6ee6a6d
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 for (i = 0; i < state->num_windows; i++) {
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27 if (context[i]) {
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28 SDL_GL_DeleteContext(context[i]);
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29 }
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30 }
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31
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32 SDL_free(context);
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33 }
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34
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35 CommonQuit(state);
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36 exit(rc);
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37 }
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38
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39 static void
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40 Render()
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41 {
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42 static GLubyte color[8][4] = { {255, 0, 0, 0},
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43 {255, 0, 0, 255},
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44 {0, 255, 0, 255},
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45 {0, 255, 0, 255},
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46 {0, 255, 0, 255},
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47 {255, 255, 255, 255},
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48 {255, 0, 255, 255},
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49 {0, 0, 255, 255}
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50 };
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51 static GLfloat cube[8][3] = { {0.5, 0.5, -0.5},
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52 {0.5f, -0.5f, -0.5f},
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53 {-0.5f, -0.5f, -0.5f},
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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 };
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60 static GLubyte indices[36] = { 0, 3, 4,
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61 4, 5, 0,
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62 0, 5, 6,
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63 6, 1, 0,
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64 6, 7, 2,
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65 2, 1, 6,
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66 7, 4, 3,
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67 3, 2, 7,
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68 5, 4, 7,
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69 7, 6, 5,
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70 2, 3, 1,
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71 3, 0, 1
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72 };
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73
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74
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75 /* Do our drawing, too. */
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76 glClearColor(0.0, 0.0, 0.0, 1.0);
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77 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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78
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79 /* Draw the cube */
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80 glColorPointer(4, GL_UNSIGNED_BYTE, 0, color);
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81 glEnableClientState(GL_COLOR_ARRAY);
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82 glVertexPointer(3, GL_FLOAT, 0, cube);
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83 glEnableClientState(GL_VERTEX_ARRAY);
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84 glDrawElements(GL_TRIANGLES, 36, GL_UNSIGNED_BYTE, indices);
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85
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86 glMatrixMode(GL_MODELVIEW);
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87 glRotatef(5.0, 1.0, 1.0, 1.0);
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88 }
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89
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90 int
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91 main(int argc, char *argv[])
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92 {
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93 int fsaa, accel;
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94 int value;
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95 int i, done;
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96 SDL_DisplayMode mode;
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97 SDL_Event event;
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98 Uint32 then, now, frames;
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99 int status;
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100
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101 /* Initialize parameters */
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102 fsaa = 0;
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103 accel = 0;
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104
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105 /* Initialize test framework */
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106 state = CommonCreateState(argv, SDL_INIT_VIDEO);
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107 if (!state) {
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108 return 1;
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109 }
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110 for (i = 1; i < argc;) {
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111 int consumed;
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112
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113 consumed = CommonArg(state, i);
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114 if (consumed == 0) {
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115 if (SDL_strcasecmp(argv[i], "--fsaa") == 0) {
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116 ++fsaa;
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117 consumed = 1;
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118 } else if (SDL_strcasecmp(argv[i], "--accel") == 0) {
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119 ++accel;
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120 consumed = 1;
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121 } else {
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122 consumed = -1;
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123 }
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124 }
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125 if (consumed < 0) {
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126 fprintf(stderr, "Usage: %s %s [--fsaa] [--accel]\n", argv[0],
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127 CommonUsage(state));
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128 quit(1);
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129 }
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130 i += consumed;
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131 }
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132
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133 /* Set OpenGL parameters */
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134 state->window_flags |= SDL_WINDOW_OPENGL;
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135 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
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136 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
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137 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
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138 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
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139 if (fsaa) {
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140 SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
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141 SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, fsaa);
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142 }
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143 if (accel) {
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144 SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL, 1);
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145 }
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146 if (!CommonInit(state)) {
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147 quit(2);
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149
3139
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parents: 3110
diff changeset
150 context = SDL_calloc(state->num_windows, sizeof(SDL_GLContext));
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
151 if (context == NULL) {
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
152 fprintf(stderr, "Out of memory!\n");
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
153 quit(2);
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
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
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 /* Create OpenGL ES contexts */
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
157 for (i = 0; i < state->num_windows; i++) {
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
158 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
159 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
160 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
161 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
162 }
2765
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 if (state->render_flags & SDL_RENDERER_PRESENTVSYNC) {
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 SDL_GL_SetSwapInterval(1);
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 } else {
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 SDL_GL_SetSwapInterval(0);
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 SDL_GetCurrentDisplayMode(&mode);
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 printf("Screen BPP: %d\n", SDL_BITSPERPIXEL(mode.format));
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 printf("\n");
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 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
175 printf("Renderer : %s\n", glGetString(GL_RENDERER));
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 printf("Version : %s\n", glGetString(GL_VERSION));
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 printf("Extensions : %s\n", glGetString(GL_EXTENSIONS));
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178 printf("\n");
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179
3139
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diff changeset
180 status = SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &value);
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
181 if (!status) {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
182 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
183 } else {
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
184 fprintf(stderr, "Failed to get SDL_GL_RED_SIZE: %s\n",
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
185 SDL_GetError());
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
186 }
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
187 status = SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &value);
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
188 if (!status) {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
189 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
190 } else {
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
191 fprintf(stderr, "Failed to get SDL_GL_GREEN_SIZE: %s\n",
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
192 SDL_GetError());
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
193 }
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
194 status = SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &value);
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
195 if (!status) {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
196 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
197 } else {
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
198 fprintf(stderr, "Failed to get SDL_GL_BLUE_SIZE: %s\n",
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
199 SDL_GetError());
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
200 }
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
201 status = SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &value);
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
202 if (!status) {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
203 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
204 } else {
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
205 fprintf(stderr, "Failed to get SDL_GL_DEPTH_SIZE: %s\n",
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
206 SDL_GetError());
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
207 }
2765
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208 if (fsaa) {
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
209 status = SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &value);
3099
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 {
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
213 fprintf(stderr, "Failed to get SDL_GL_MULTISAMPLEBUFFERS: %s\n",
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
214 SDL_GetError());
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
215 }
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
216 status = SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &value);
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
217 if (!status) {
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
218 printf("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
219 value);
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
220 } else {
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
221 fprintf(stderr, "Failed to get SDL_GL_MULTISAMPLESAMPLES: %s\n",
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
222 SDL_GetError());
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
223 }
2765
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225 if (accel) {
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
226 status = SDL_GL_GetAttribute(SDL_GL_ACCELERATED_VISUAL, &value);
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
227 if (!status) {
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
228 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
229 } else {
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
230 fprintf(stderr, "Failed to get SDL_GL_ACCELERATED_VISUAL: %s\n",
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
231 SDL_GetError());
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2765
diff changeset
232 }
2765
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 }
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234
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
235 /* 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
236 for (i = 0; i < state->num_windows; ++i) {
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
237 status = SDL_GL_MakeCurrent(state->windows[i], context[i]);
Sam Lantinga <slouken@libsdl.org>
parents: 3110
diff changeset
238 if (status) {
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
239 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
240
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 /* 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
242 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
243 }
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
3194
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
245 glViewport(0, 0, DEFAULT_WINDOW_WIDTH, DEFAULT_WINDOW_HEIGHT);
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
246 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
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 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
249 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
250 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
251 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
252 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
253 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
254 }
2765
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 /* Main render loop */
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 frames = 0;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 then = SDL_GetTicks();
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 done = 0;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 while (!done) {
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 /* Check for events */
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 ++frames;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 while (SDL_PollEvent(&event)) {
3194
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
264 switch (event.type) {
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
265 case SDL_WINDOWEVENT:
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
266 switch (event.window.event) {
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
267 case SDL_WINDOWEVENT_RESIZED:
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
268 for (i = 0; i < state->num_windows; ++i) {
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
269 if (event.window.windowID == state->windows[i]) {
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
270 status = SDL_GL_MakeCurrent(state->windows[i], context[i]);
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
271 if (status) {
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
272 printf("SDL_GL_MakeCurrent(): %s\n", SDL_GetError());
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
273 break;
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
274 }
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
275 /* Change view port to the new window dimensions */
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
276 glViewport(0, 0, event.window.data1, event.window.data2);
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
277 /* Update window content */
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
278 Render();
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
279 SDL_GL_SwapWindow(state->windows[i]);
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
280 break;
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
281 }
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
282 }
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
283 break;
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
284 }
c18c03927a77 Proper window resize handling in GLES test application.
Mike Gorchak <lestat@i.com.ua>
parents: 3139
diff changeset
285 }
2765
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
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286 CommonEvent(state, &event, &done);
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287 }
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288 for (i = 0; i < state->num_windows; ++i) {
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289 status = SDL_GL_MakeCurrent(state->windows[i], context[i]);
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290 if (status) {
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291 printf("SDL_GL_MakeCurrent(): %s\n", SDL_GetError());
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292
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293 /* Continue for next window */
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294 continue;
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295 }
2765
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296 Render();
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297 SDL_GL_SwapWindow(state->windows[i]);
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298 }
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299 }
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300
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301 /* Print out some timing information */
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302 now = SDL_GetTicks();
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303 if (now > then) {
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304 printf("%2.2f frames per second\n",
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305 ((double) frames * 1000) / (now - then));
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306 }
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307 quit(0);
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308 return 0;
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309 }
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310
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311 #else /* HAVE_OPENGLES */
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312
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313 int
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314 main(int argc, char *argv[])
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315 {
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316 printf("No OpenGL ES support on this system\n");
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317 return 1;
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318 }
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319
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320 #endif /* HAVE_OPENGLES */