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annotate src/video/quartz/SDL_QuartzGL.m @ 967:cda407d627a3

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Date: Tue, 5 Oct 2004 11:04:02 -0400 From: Bob Ippolito Subject: [SDL] PATCH: Fix for release count bug in SDL_QuartzWM SDL_QuartzWM incorrectly does [window close]; [window release]; The semantics for -[NSWindow close] are as follows: Removes the receiver from the screen. If the receiver is set to be released when closed, a release message is sent to the object after the current event is completed. For an NSWindow object, the default is to be released on closing, while for an NSPanel object, the default is not to be released. You can use the setReleasedWhenClosed: method to change the default behavior. This patch simply removes the incorrect release.
author Sam Lantinga <slouken@libsdl.org>
date Fri, 12 Nov 2004 21:29:52 +0000
parents c3c8739f7844
children 72c6c3e5bb85
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2003 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #include "SDL_QuartzVideo.h"
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24
857
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25 /*
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26 * GL_ARB_Multisample is supposed to be available in 10.1, according to Apple:
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27 *
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28 * http://developer.apple.com/opengl/extensions.html#GL_ARB_multisample
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29 *
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30 * ...but it isn't in the system headers, according to Sam:
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31 *
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32 * http://www.libsdl.org/pipermail/sdl/2003-December/058335.html
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33 *
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34 * These are normally enums and not #defines in the system headers.
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35 *
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36 * --ryan.
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37 */
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38 #if (MAC_OS_X_VERSION_MAX_ALLOWED < 1020)
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39 #define NSOpenGLPFASampleBuffers ((NSOpenGLPixelFormatAttribute) 55)
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40 #define NSOpenGLPFASamples ((NSOpenGLPixelFormatAttribute) 56)
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41 #endif
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42
761
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43
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44 @implementation NSOpenGLContext (CGLContextAccess)
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45 - (CGLContextObj) cglContext;
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46 {
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47 return _contextAuxiliary;
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48 }
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49 @end
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50
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51 /* OpenGL helper functions (used internally) */
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52
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53 int QZ_SetupOpenGL (_THIS, int bpp, Uint32 flags) {
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54
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55 NSOpenGLPixelFormatAttribute attr[32];
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56 NSOpenGLPixelFormat *fmt;
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57 int i = 0;
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58 int colorBits = bpp;
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59
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60 if ( flags & SDL_FULLSCREEN ) {
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61
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62 attr[i++] = NSOpenGLPFAFullScreen;
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63 }
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64 /* In windowed mode, the OpenGL pixel depth must match device pixel depth */
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65 else if ( colorBits != device_bpp ) {
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66
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67 colorBits = device_bpp;
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68 }
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69
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70 attr[i++] = NSOpenGLPFAColorSize;
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71 attr[i++] = colorBits;
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72
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73 attr[i++] = NSOpenGLPFADepthSize;
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74 attr[i++] = this->gl_config.depth_size;
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75
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76 if ( this->gl_config.double_buffer ) {
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77 attr[i++] = NSOpenGLPFADoubleBuffer;
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78 }
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79
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80 if ( this->gl_config.stereo ) {
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81 attr[i++] = NSOpenGLPFAStereo;
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82 }
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83
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84 if ( this->gl_config.stencil_size != 0 ) {
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85 attr[i++] = NSOpenGLPFAStencilSize;
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86 attr[i++] = this->gl_config.stencil_size;
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87 }
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88
890
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89 if ( (this->gl_config.accum_red_size +
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90 this->gl_config.accum_green_size +
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91 this->gl_config.accum_blue_size +
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92 this->gl_config.accum_alpha_size) > 0 ) {
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93 attr[i++] = NSOpenGLPFAAccumSize;
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94 attr[i++] = this->gl_config.accum_red_size + this->gl_config.accum_green_size + this->gl_config.accum_blue_size + this->gl_config.accum_alpha_size;
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95 }
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96
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97 if ( this->gl_config.multisamplebuffers != 0 ) {
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98 attr[i++] = NSOpenGLPFASampleBuffers;
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99 attr[i++] = this->gl_config.multisamplebuffers;
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100 }
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101
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102 if ( this->gl_config.multisamplesamples != 0 ) {
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103 attr[i++] = NSOpenGLPFASamples;
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104 attr[i++] = this->gl_config.multisamplesamples;
900
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105 attr[i++] = NSOpenGLPFANoRecovery;
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106 attr[i++] = (NSOpenGLPixelFormatAttribute)nil;
761
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107 }
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108
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109 attr[i++] = NSOpenGLPFAScreenMask;
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110 attr[i++] = CGDisplayIDToOpenGLDisplayMask (display_id);
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111 attr[i] = 0;
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112
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113 fmt = [ [ NSOpenGLPixelFormat alloc ] initWithAttributes:attr ];
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114 if (fmt == nil) {
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115 SDL_SetError ("Failed creating OpenGL pixel format");
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116 return 0;
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117 }
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118
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119 gl_context = [ [ NSOpenGLContext alloc ] initWithFormat:fmt
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120 shareContext:nil];
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121
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122 if (gl_context == nil) {
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123 SDL_SetError ("Failed creating OpenGL context");
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124 return 0;
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125 }
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126
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diff changeset
127 /*
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128 * Wisdom from Apple engineer in reference to UT2003's OpenGL performance:
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129 * "You are blowing a couple of the internal OpenGL function caches. This
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130 * appears to be happening in the VAO case. You can tell OpenGL to up
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131 * the cache size by issuing the following calls right after you create
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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132 * the OpenGL context. The default cache size is 16." --ryan.
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133 */
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
134
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135 #ifndef GLI_ARRAY_FUNC_CACHE_MAX
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136 #define GLI_ARRAY_FUNC_CACHE_MAX 284
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137 #endif
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138
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139 #ifndef GLI_SUBMIT_FUNC_CACHE_MAX
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140 #define GLI_SUBMIT_FUNC_CACHE_MAX 280
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141 #endif
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142
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diff changeset
143 {
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144 long cache_max = 64;
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145 CGLContextObj ctx = [ gl_context cglContext ];
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146 CGLSetParameter (ctx, GLI_SUBMIT_FUNC_CACHE_MAX, &cache_max);
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147 CGLSetParameter (ctx, GLI_ARRAY_FUNC_CACHE_MAX, &cache_max);
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148 }
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149
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150 /* End Wisdom from Apple Engineer section. --ryan. */
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151
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
152 /* Convince SDL that the GL "driver" is loaded */
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153 this->gl_config.driver_loaded = 1;
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154
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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155 [ fmt release ];
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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156
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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157 return 1;
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158 }
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diff changeset
159
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160 void QZ_TearDownOpenGL (_THIS) {
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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161
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162 [ NSOpenGLContext clearCurrentContext ];
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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163 [ gl_context clearDrawable ];
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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164 [ gl_context release ];
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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165 }
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
166
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diff changeset
167
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168 /* SDL OpenGL functions */
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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169
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170 int QZ_GL_LoadLibrary (_THIS, const char *location) {
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171 this->gl_config.driver_loaded = 1;
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172 return 1;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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173 }
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
174
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175 void* QZ_GL_GetProcAddress (_THIS, const char *proc) {
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176
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177 /* We may want to cache the bundleRef at some point */
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178 CFBundleRef bundle;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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179 CFURLRef bundleURL = CFURLCreateWithFileSystemPath (kCFAllocatorDefault,
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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180 CFSTR("/System/Library/Frameworks/OpenGL.framework"), kCFURLPOSIXPathStyle, true);
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181
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
182 CFStringRef functionName = CFStringCreateWithCString
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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183 (kCFAllocatorDefault, proc, kCFStringEncodingASCII);
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184
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185 void *function;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
186
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187 bundle = CFBundleCreate (kCFAllocatorDefault, bundleURL);
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188 assert (bundle != NULL);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
189
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190 function = CFBundleGetFunctionPointerForName (bundle, functionName);
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191
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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192 CFRelease ( bundleURL );
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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193 CFRelease ( functionName );
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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194 CFRelease ( bundle );
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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195
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196 return function;
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197 }
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diff changeset
198
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199 int QZ_GL_GetAttribute (_THIS, SDL_GLattr attrib, int* value) {
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200
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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201 GLenum attr = 0;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
202
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203 QZ_GL_MakeCurrent (this);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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204
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
205 switch (attrib) {
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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206 case SDL_GL_RED_SIZE: attr = GL_RED_BITS; break;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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207 case SDL_GL_BLUE_SIZE: attr = GL_BLUE_BITS; break;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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208 case SDL_GL_GREEN_SIZE: attr = GL_GREEN_BITS; break;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
209 case SDL_GL_ALPHA_SIZE: attr = GL_ALPHA_BITS; break;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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210 case SDL_GL_DOUBLEBUFFER: attr = GL_DOUBLEBUFFER; break;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
211 case SDL_GL_DEPTH_SIZE: attr = GL_DEPTH_BITS; break;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
212 case SDL_GL_STENCIL_SIZE: attr = GL_STENCIL_BITS; break;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
213 case SDL_GL_ACCUM_RED_SIZE: attr = GL_ACCUM_RED_BITS; break;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
214 case SDL_GL_ACCUM_GREEN_SIZE: attr = GL_ACCUM_GREEN_BITS; break;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
215 case SDL_GL_ACCUM_BLUE_SIZE: attr = GL_ACCUM_BLUE_BITS; break;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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216 case SDL_GL_ACCUM_ALPHA_SIZE: attr = GL_ACCUM_ALPHA_BITS; break;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
217 case SDL_GL_STEREO: attr = GL_STEREO; break;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
218 case SDL_GL_MULTISAMPLEBUFFERS: attr = GL_SAMPLE_BUFFERS_ARB; break;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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219 case SDL_GL_MULTISAMPLESAMPLES: attr = GL_SAMPLES_ARB; break;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
220 case SDL_GL_BUFFER_SIZE:
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
221 {
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
222 GLint bits = 0;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
223 GLint component;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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parents:
diff changeset
224
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
225 /* there doesn't seem to be a single flag in OpenGL for this! */
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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226 glGetIntegerv (GL_RED_BITS, &component); bits += component;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
227 glGetIntegerv (GL_GREEN_BITS,&component); bits += component;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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228 glGetIntegerv (GL_BLUE_BITS, &component); bits += component;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
229 glGetIntegerv (GL_ALPHA_BITS, &component); bits += component;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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parents:
diff changeset
230
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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parents:
diff changeset
231 *value = bits;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
232 }
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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parents:
diff changeset
233 return 0;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 }
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 glGetIntegerv (attr, (GLint *)value);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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parents:
diff changeset
237 return 0;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 }
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 int QZ_GL_MakeCurrent (_THIS) {
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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parents:
diff changeset
241 [ gl_context makeCurrentContext ];
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 return 0;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 }
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 void QZ_GL_SwapBuffers (_THIS) {
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 [ gl_context flushBuffer ];
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 }