Mercurial > sdl-ios-xcode

annotate src/video/cocoa/SDL_cocoaopengl.m @ 3796:b19680c84cdf SDL-ryan-multiple-audio-device

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Bunch of 1.3 audio cleanups to remove FIXMEs, get driver specific crap out of the core and into the drivers where it belongs, and push generic responsibilities out of the drivers and into the core where they belong.
author Ryan C. Gordon <icculus@icculus.org>
date Wed, 04 Oct 2006 19:54:23 +0000
parents 81255f93dfcd
children 114a541cfae2
rev   line source
1936
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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 #include "SDL_config.h"
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23
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24 #include "SDL_cocoavideo.h"
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25
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26 /* NSOpenGL implementation of SDL OpenGL support */
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27
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28 #if SDL_VIDEO_OPENGL_CGL
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29 #include <OpenGL/CGLTypes.h>
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30
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31 #include "SDL_loadso.h"
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32 #include "SDL_opengl.h"
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33
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34
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35 #define DEFAULT_OPENGL "/System/Library/Frameworks/OpenGL.framework/Libraries/libGL.dylib"
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36
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37 /* This is implemented in Mac OS X 10.3 and above */
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38 #if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_3
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39 @implementation NSOpenGLContext(CGLContextAccess)
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40 - (CGLContextObj)CGLContextObj;
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41 {
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42 return _contextAuxiliary;
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43 }
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44 @end
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45 #endif /* < 10.3 */
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46
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47 int
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48 Cocoa_GL_LoadLibrary(_THIS, const char *path)
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49 {
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50 if (_this->gl_config.driver_loaded) {
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51 if (path) {
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52 SDL_SetError("OpenGL library already loaded");
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53 return -1;
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54 } else {
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55 ++_this->gl_config.driver_loaded;
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56 return 0;
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57 }
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58 }
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59 if (path == NULL) {
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60 path = SDL_getenv("SDL_OPENGL_LIBRARY");
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61 }
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62 if (path == NULL) {
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63 path = DEFAULT_OPENGL;
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64 }
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65 _this->gl_config.dll_handle = SDL_LoadObject(path);
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66 if (!_this->gl_config.dll_handle) {
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67 return -1;
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68 }
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69 SDL_strlcpy(_this->gl_config.driver_path, path,
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70 SDL_arraysize(_this->gl_config.driver_path));
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71 _this->gl_config.driver_loaded = 1;
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72 return 0;
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73 }
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74
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75 void *
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76 Cocoa_GL_GetProcAddress(_THIS, const char *proc)
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77 {
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78 return SDL_LoadFunction(_this->gl_config.dll_handle, proc);
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79 }
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80
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81 static void
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82 Cocoa_GL_UnloadLibrary(_THIS)
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83 {
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84 if (_this->gl_config.driver_loaded > 0) {
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85 if (--_this->gl_config.driver_loaded > 0) {
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86 return;
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87 }
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88 SDL_UnloadObject(_this->gl_config.dll_handle);
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89 _this->gl_config.dll_handle = NULL;
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90 }
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91 }
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92
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93 static int
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94 Cocoa_GL_Initialize(_THIS)
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95 {
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96 if (_this->gl_data) {
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97 ++_this->gl_data->initialized;
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98 return 0;
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99 }
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100
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101 _this->gl_data =
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102 (struct SDL_GLDriverData *) SDL_calloc(1,
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103 sizeof(struct
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104 SDL_GLDriverData));
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105 if (!_this->gl_data) {
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106 SDL_OutOfMemory();
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107 return -1;
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108 }
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109 _this->gl_data->initialized = 1;
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110
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111 if (Cocoa_GL_LoadLibrary(_this, NULL) < 0) {
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112 return -1;
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113 }
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114 return 0;
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115 }
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116
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117 static void
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118 Cocoa_GL_Shutdown(_THIS)
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119 {
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120 if (!_this->gl_data || (--_this->gl_data->initialized > 0)) {
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121 return;
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122 }
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123
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124 Cocoa_GL_UnloadLibrary(_this);
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125
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126 SDL_free(_this->gl_data);
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127 _this->gl_data = NULL;
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128 }
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129
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130 int
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131 Cocoa_GL_SetupWindow(_THIS, SDL_Window * window)
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132 {
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133 if (Cocoa_GL_Initialize(_this) < 0) {
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134 return -1;
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135 }
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136 return 0;
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137 }
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138
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139 void
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140 Cocoa_GL_CleanupWindow(_THIS, SDL_Window * window)
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141 {
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142 Cocoa_GL_Shutdown(_this);
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143 }
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144
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145 SDL_GLContext
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146 Cocoa_GL_CreateContext(_THIS, SDL_Window * window)
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147 {
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148 NSAutoreleasePool *pool;
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149 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
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parents:
diff changeset
150 SDL_DisplayData *displaydata = (SDL_DisplayData *)display->driverdata;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 NSOpenGLPixelFormatAttribute attr[32];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 NSOpenGLPixelFormat *fmt;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 NSOpenGLContext *nscontext;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 int i = 0;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 pool = [[NSAutoreleasePool alloc] init];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 if (window->flags & SDL_WINDOW_FULLSCREEN) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 attr[i++] = NSOpenGLPFAFullScreen;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162 attr[i++] = NSOpenGLPFAColorSize;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 attr[i++] = SDL_BYTESPERPIXEL(display->current_mode.format)*8;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 attr[i++] = NSOpenGLPFADepthSize;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 attr[i++] = _this->gl_config.depth_size;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 if (_this->gl_config.double_buffer) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 attr[i++] = NSOpenGLPFADoubleBuffer;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 if (_this->gl_config.stereo) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 attr[i++] = NSOpenGLPFAStereo;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 if (_this->gl_config.stencil_size) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 attr[i++] = NSOpenGLPFAStencilSize;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178 attr[i++] = _this->gl_config.stencil_size;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 if ((_this->gl_config.accum_red_size +
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 _this->gl_config.accum_green_size +
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183 _this->gl_config.accum_blue_size +
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 _this->gl_config.accum_alpha_size) > 0) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 attr[i++] = NSOpenGLPFAAccumSize;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 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;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
188
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 if (_this->gl_config.multisamplebuffers) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190 attr[i++] = NSOpenGLPFASampleBuffers;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 attr[i++] = _this->gl_config.multisamplebuffers;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194 if (_this->gl_config.multisamplesamples) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 attr[i++] = NSOpenGLPFASamples;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 attr[i++] = _this->gl_config.multisamplesamples;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 attr[i++] = NSOpenGLPFANoRecovery;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200 if (_this->gl_config.accelerated > 0) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 attr[i++] = NSOpenGLPFAAccelerated;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 attr[i++] = NSOpenGLPFAScreenMask;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 attr[i++] = CGDisplayIDToOpenGLDisplayMask(displaydata->display);
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 attr[i] = 0;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208 fmt = [[NSOpenGLPixelFormat alloc] initWithAttributes:attr];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209 if (fmt == nil) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210 SDL_SetError ("Failed creating OpenGL pixel format");
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211 [pool release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 return NULL;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 nscontext = [[NSOpenGLContext alloc] initWithFormat:fmt shareContext:nil];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217 [fmt release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 if (nscontext == nil) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220 SDL_SetError ("Failed creating OpenGL context");
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 [pool release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 return NULL;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225 /*
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226 * Wisdom from Apple engineer in reference to UT2003's OpenGL performance:
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227 * "You are blowing a couple of the internal OpenGL function caches. This
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 * appears to be happening in the VAO case. You can tell OpenGL to up
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229 * the cache size by issuing the following calls right after you create
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 * the OpenGL context. The default cache size is 16." --ryan.
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231 */
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 #ifndef GLI_ARRAY_FUNC_CACHE_MAX
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 #define GLI_ARRAY_FUNC_CACHE_MAX 284
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 #endif
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 #ifndef GLI_SUBMIT_FUNC_CACHE_MAX
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 #define GLI_SUBMIT_FUNC_CACHE_MAX 280
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 #endif
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 long cache_max = 64;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 CGLContextObj ctx = [nscontext CGLContextObj];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 CGLSetParameter (ctx, GLI_SUBMIT_FUNC_CACHE_MAX, &cache_max);
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 CGLSetParameter (ctx, GLI_ARRAY_FUNC_CACHE_MAX, &cache_max);
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 /* End Wisdom from Apple Engineer section. --ryan. */
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 [pool release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 return nscontext;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 int
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 Cocoa_GL_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context)
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 NSAutoreleasePool *pool;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 pool = [[NSAutoreleasePool alloc] init];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 if (context) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 SDL_WindowData *windowdata = (SDL_WindowData *)window->driverdata;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 NSOpenGLContext *nscontext = (NSOpenGLContext *)context;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264
1973
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
265 if (window->flags & SDL_WINDOW_FULLSCREEN) {
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
266 [nscontext setFullScreen];
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
267 } else {
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
268 [nscontext setView:[windowdata->window contentView]];
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
269 [nscontext update];
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
270 }
1936
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 [nscontext makeCurrentContext];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272 } else {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 [NSOpenGLContext clearCurrentContext];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 [pool release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277 return 0;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 int
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 Cocoa_GL_SetSwapInterval(_THIS, int interval)
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282 {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 NSAutoreleasePool *pool;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284 NSOpenGLContext *nscontext;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 long value;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286 int status;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 pool = [[NSAutoreleasePool alloc] init];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290 nscontext = [NSOpenGLContext currentContext];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291 if (nscontext != nil) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292 value = interval;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 [nscontext setValues:&value forParameter:NSOpenGLCPSwapInterval];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294 status = 0;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295 } else {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
296 SDL_SetError("No current OpenGL context");
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
297 status = -1;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
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298 }
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299
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300 [pool release];
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301 return status;
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302 }
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303
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304 int
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305 Cocoa_GL_GetSwapInterval(_THIS)
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306 {
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307 NSAutoreleasePool *pool;
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308 NSOpenGLContext *nscontext;
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309 long value;
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310 int status;
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311
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312 pool = [[NSAutoreleasePool alloc] init];
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313
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314 nscontext = [NSOpenGLContext currentContext];
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315 if (nscontext != nil) {
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316 [nscontext getValues:&value forParameter:NSOpenGLCPSwapInterval];
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317 status = (int)value;
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318 } else {
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319 SDL_SetError("No current OpenGL context");
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320 status = -1;
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321 }
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322
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323 [pool release];
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324 return status;
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325 }
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326
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327 void
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328 Cocoa_GL_SwapWindow(_THIS, SDL_Window * window)
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329 {
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330 NSAutoreleasePool *pool;
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331 NSOpenGLContext *nscontext;
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332
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333 pool = [[NSAutoreleasePool alloc] init];
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334
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335 /* FIXME: Do we need to get the context for the window? */
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336 nscontext = [NSOpenGLContext currentContext];
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337 if (nscontext != nil) {
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338 [nscontext flushBuffer];
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339 }
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340
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341 [pool release];
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342 }
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343
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344 void
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345 Cocoa_GL_DeleteContext(_THIS, SDL_GLContext context)
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346 {
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347 NSAutoreleasePool *pool;
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348 NSOpenGLContext *nscontext = (NSOpenGLContext *)context;
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349
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350 pool = [[NSAutoreleasePool alloc] init];
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351
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352 [nscontext clearDrawable];
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353 [nscontext release];
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354
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355 [pool release];
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356 }
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357
1952
420716272158 Implemented X11 OpenGL support.
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358 #endif /* SDL_VIDEO_OPENGL_CGL */
1936
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359
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360 /* vi: set ts=4 sw=4 expandtab: */