Mercurial > sdl-ios-xcode
annotate src/video/quartz/SDL_QuartzGL.m @ 761:c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
From: Max Horn
Subject: SDL: video/quartz cleanup
while doing some experimental changes in the quartz code, I was annoyed
by having to recompile that one big .o file over and over again. So I
decided to finally realize one TODO: properly splitting the code over
multiple files :-).
With two exceptions, I didn't make code changes, only rearranged files
and added new headers. Since there are several new files, making a
patch didn't work out so well, so I decided to just send you all the
new & modified files.
The one source change I made is related to showing/hiding the mouse. I
renamed cursor_visible to cursor_should_be_visible and cursor_hidden to
cursor_visible; I think that makes reading the code easier.
Then I added two new functions: QZ_ShowMouse and QZ_HideMouse. They
help manage cursor_visible (the former 'cursor_hidden'). Finally I
replaced the Carbon ShowCursor/HiderCuror calls by [NSCursor hide] and
[NSCursor unhide]. The API docs are not conclusive, but it might be
that with those the "cursor_visible" (former 'cursor_hidden') hack may
not be necessary anymore; however so far I didn't test this hypothesis,
so I left that in.
The other change was to remove in_foreground and use [NSApp isActive]
instead: Manually keeping track of whether we are in the foreground is
error prone. This should work better in some corner cases.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sun, 04 Jan 2004 14:55:35 +0000 |
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children | ac44ddb84f6f |
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 |
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25 /* |
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26 This is a workaround to directly access NSOpenGLContext's CGL context |
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27 We need this to check for errors NSOpenGLContext doesn't support |
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28 */ |
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29 @interface NSOpenGLContext (CGLContextAccess) |
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30 - (CGLContextObj) cglContext; |
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31 @end |
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32 |
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33 @implementation NSOpenGLContext (CGLContextAccess) |
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34 - (CGLContextObj) cglContext; |
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35 { |
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36 return _contextAuxiliary; |
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37 } |
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38 @end |
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39 |
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40 /* OpenGL helper functions (used internally) */ |
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41 |
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42 int QZ_SetupOpenGL (_THIS, int bpp, Uint32 flags) { |
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43 |
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44 NSOpenGLPixelFormatAttribute attr[32]; |
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45 NSOpenGLPixelFormat *fmt; |
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46 int i = 0; |
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47 int colorBits = bpp; |
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48 |
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49 if ( flags & SDL_FULLSCREEN ) { |
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50 |
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51 attr[i++] = NSOpenGLPFAFullScreen; |
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52 } |
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53 /* In windowed mode, the OpenGL pixel depth must match device pixel depth */ |
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54 else if ( colorBits != device_bpp ) { |
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55 |
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56 colorBits = device_bpp; |
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57 } |
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58 |
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59 attr[i++] = NSOpenGLPFAColorSize; |
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60 attr[i++] = colorBits; |
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61 |
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62 attr[i++] = NSOpenGLPFADepthSize; |
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63 attr[i++] = this->gl_config.depth_size; |
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64 |
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65 if ( this->gl_config.double_buffer ) { |
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66 attr[i++] = NSOpenGLPFADoubleBuffer; |
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67 } |
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68 |
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69 if ( this->gl_config.stereo ) { |
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70 attr[i++] = NSOpenGLPFAStereo; |
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71 } |
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72 |
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73 if ( this->gl_config.stencil_size != 0 ) { |
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74 attr[i++] = NSOpenGLPFAStencilSize; |
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75 attr[i++] = this->gl_config.stencil_size; |
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76 } |
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77 |
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78 #if NSOPENGL_CURRENT_VERSION > 1 /* What version should this be? */ |
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79 if ( this->gl_config.multisamplebuffers != 0 ) { |
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80 attr[i++] = NSOpenGLPFASampleBuffers; |
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81 attr[i++] = this->gl_config.multisamplebuffers; |
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82 } |
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83 |
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84 if ( this->gl_config.multisamplesamples != 0 ) { |
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85 attr[i++] = NSOpenGLPFASamples; |
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86 attr[i++] = this->gl_config.multisamplesamples; |
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87 } |
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88 #endif |
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89 |
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90 attr[i++] = NSOpenGLPFAScreenMask; |
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91 attr[i++] = CGDisplayIDToOpenGLDisplayMask (display_id); |
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92 attr[i] = 0; |
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93 |
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94 fmt = [ [ NSOpenGLPixelFormat alloc ] initWithAttributes:attr ]; |
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95 if (fmt == nil) { |
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96 SDL_SetError ("Failed creating OpenGL pixel format"); |
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97 return 0; |
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98 } |
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99 |
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100 gl_context = [ [ NSOpenGLContext alloc ] initWithFormat:fmt |
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101 shareContext:nil]; |
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102 |
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103 if (gl_context == nil) { |
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104 SDL_SetError ("Failed creating OpenGL context"); |
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105 return 0; |
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106 } |
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107 |
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108 /* |
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109 * Wisdom from Apple engineer in reference to UT2003's OpenGL performance: |
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110 * "You are blowing a couple of the internal OpenGL function caches. This |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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111 * appears to be happening in the VAO case. You can tell OpenGL to up |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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112 * the cache size by issuing the following calls right after you create |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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113 * the OpenGL context. The default cache size is 16." --ryan. |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
114 */ |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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115 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
116 #ifndef GLI_ARRAY_FUNC_CACHE_MAX |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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117 #define GLI_ARRAY_FUNC_CACHE_MAX 284 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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118 #endif |
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|
119 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
120 #ifndef GLI_SUBMIT_FUNC_CACHE_MAX |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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121 #define GLI_SUBMIT_FUNC_CACHE_MAX 280 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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122 #endif |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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123 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
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|
124 { |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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125 long cache_max = 64; |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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126 CGLContextObj ctx = [ gl_context cglContext ]; |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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127 CGLSetParameter (ctx, GLI_SUBMIT_FUNC_CACHE_MAX, &cache_max); |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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128 CGLSetParameter (ctx, GLI_ARRAY_FUNC_CACHE_MAX, &cache_max); |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
129 } |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
130 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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131 /* End Wisdom from Apple Engineer section. --ryan. */ |
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132 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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133 /* Convince SDL that the GL "driver" is loaded */ |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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134 this->gl_config.driver_loaded = 1; |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
135 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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136 [ fmt release ]; |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
137 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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138 return 1; |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
139 } |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
140 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
141 void QZ_TearDownOpenGL (_THIS) { |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
142 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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143 [ NSOpenGLContext clearCurrentContext ]; |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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144 [ gl_context clearDrawable ]; |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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145 [ gl_context release ]; |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
146 } |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
147 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
148 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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149 /* SDL OpenGL functions */ |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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150 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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151 int QZ_GL_LoadLibrary (_THIS, const char *location) { |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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152 this->gl_config.driver_loaded = 1; |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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153 return 1; |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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154 } |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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155 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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156 void* QZ_GL_GetProcAddress (_THIS, const char *proc) { |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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157 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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158 /* We may want to cache the bundleRef at some point */ |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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159 CFBundleRef bundle; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
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160 CFURLRef bundleURL = CFURLCreateWithFileSystemPath (kCFAllocatorDefault, |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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161 CFSTR("/System/Library/Frameworks/OpenGL.framework"), kCFURLPOSIXPathStyle, true); |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
162 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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163 CFStringRef functionName = CFStringCreateWithCString |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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164 (kCFAllocatorDefault, proc, kCFStringEncodingASCII); |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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165 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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166 void *function; |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
167 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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168 bundle = CFBundleCreate (kCFAllocatorDefault, bundleURL); |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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169 assert (bundle != NULL); |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
170 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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171 function = CFBundleGetFunctionPointerForName (bundle, functionName); |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
172 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
173 CFRelease ( bundleURL ); |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
174 CFRelease ( functionName ); |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
175 CFRelease ( bundle ); |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
176 |
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177 return function; |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
178 } |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
179 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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180 int QZ_GL_GetAttribute (_THIS, SDL_GLattr attrib, int* value) { |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
181 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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182 GLenum attr = 0; |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
183 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
184 QZ_GL_MakeCurrent (this); |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
185 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
186 switch (attrib) { |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
187 case SDL_GL_RED_SIZE: attr = GL_RED_BITS; break; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
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|
188 case SDL_GL_BLUE_SIZE: attr = GL_BLUE_BITS; break; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
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189 case SDL_GL_GREEN_SIZE: attr = GL_GREEN_BITS; break; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
190 case SDL_GL_ALPHA_SIZE: attr = GL_ALPHA_BITS; break; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
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191 case SDL_GL_DOUBLEBUFFER: attr = GL_DOUBLEBUFFER; break; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
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|
192 case SDL_GL_DEPTH_SIZE: attr = GL_DEPTH_BITS; break; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
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|
193 case SDL_GL_STENCIL_SIZE: attr = GL_STENCIL_BITS; break; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
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|
194 case SDL_GL_ACCUM_RED_SIZE: attr = GL_ACCUM_RED_BITS; break; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
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|
195 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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|
196 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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197 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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|
198 case SDL_GL_STEREO: attr = GL_STEREO; break; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
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199 case SDL_GL_MULTISAMPLEBUFFERS: attr = GL_SAMPLE_BUFFERS_ARB; break; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
200 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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|
201 case SDL_GL_BUFFER_SIZE: |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
202 { |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
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|
203 GLint bits = 0; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
204 GLint component; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
205 |
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Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
206 /* 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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|
207 glGetIntegerv (GL_RED_BITS, &component); bits += component; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
208 glGetIntegerv (GL_GREEN_BITS,&component); bits += component; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
209 glGetIntegerv (GL_BLUE_BITS, &component); bits += component; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
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|
210 glGetIntegerv (GL_ALPHA_BITS, &component); bits += component; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
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|
211 |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
212 *value = bits; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
213 } |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
214 return 0; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
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|
215 } |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
216 |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
217 glGetIntegerv (attr, (GLint *)value); |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
218 return 0; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
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|
219 } |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
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diff
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|
220 |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
221 int QZ_GL_MakeCurrent (_THIS) { |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
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|
222 [ gl_context makeCurrentContext ]; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
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223 return 0; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
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224 } |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
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225 |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
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226 void QZ_GL_SwapBuffers (_THIS) { |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
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227 [ gl_context flushBuffer ]; |
c5b2b6d2d1fe
Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
228 } |