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annotate src/video/cocoa/SDL_cocoaopengl.m @ 2925:7e21f7662208

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Swapped functions to match the other renderer files
author Sam Lantinga <slouken@libsdl.org>
date Tue, 30 Dec 2008 04:22:24 +0000
parents 99210400e8b9
children 089a77aebb7d
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) 1997-2009 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 #include <OpenGL/OpenGL.h>
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31
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32 #include "SDL_loadso.h"
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33 #include "SDL_opengl.h"
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34
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35
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36 #define DEFAULT_OPENGL "/System/Library/Frameworks/OpenGL.framework/Libraries/libGL.dylib"
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37
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38 /* This is implemented in Mac OS X 10.3 and above */
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39 #if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_3
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40 @implementation NSOpenGLContext(CGLContextAccess)
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41 - (CGLContextObj)CGLContextObj;
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42 {
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43 return _contextAuxiliary;
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44 }
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45 @end
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46 #endif /* < 10.3 */
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47
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48 int
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49 Cocoa_GL_LoadLibrary(_THIS, const char *path)
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50 {
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51 if (_this->gl_config.driver_loaded) {
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52 if (path) {
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53 SDL_SetError("OpenGL library already loaded");
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54 return -1;
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55 } else {
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56 ++_this->gl_config.driver_loaded;
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57 return 0;
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58 }
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59 }
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60 if (path == NULL) {
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61 path = SDL_getenv("SDL_OPENGL_LIBRARY");
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62 }
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63 if (path == NULL) {
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64 path = DEFAULT_OPENGL;
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65 }
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66 _this->gl_config.dll_handle = SDL_LoadObject(path);
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67 if (!_this->gl_config.dll_handle) {
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68 return -1;
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69 }
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70 SDL_strlcpy(_this->gl_config.driver_path, path,
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71 SDL_arraysize(_this->gl_config.driver_path));
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72 _this->gl_config.driver_loaded = 1;
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73 return 0;
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74 }
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75
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76 void *
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77 Cocoa_GL_GetProcAddress(_THIS, const char *proc)
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78 {
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79 return SDL_LoadFunction(_this->gl_config.dll_handle, proc);
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80 }
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81
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82 static void
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83 Cocoa_GL_UnloadLibrary(_THIS)
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84 {
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85 if (_this->gl_config.driver_loaded > 0) {
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86 if (--_this->gl_config.driver_loaded > 0) {
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87 return;
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88 }
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89 SDL_UnloadObject(_this->gl_config.dll_handle);
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90 _this->gl_config.dll_handle = NULL;
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91 }
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92 }
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93
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94 static int
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95 Cocoa_GL_Initialize(_THIS)
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96 {
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97 if (_this->gl_data) {
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98 ++_this->gl_data->initialized;
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99 return 0;
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100 }
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101
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102 _this->gl_data =
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103 (struct SDL_GLDriverData *) SDL_calloc(1,
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104 sizeof(struct
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105 SDL_GLDriverData));
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106 if (!_this->gl_data) {
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107 SDL_OutOfMemory();
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108 return -1;
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109 }
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110 _this->gl_data->initialized = 1;
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111
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112 if (Cocoa_GL_LoadLibrary(_this, NULL) < 0) {
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113 return -1;
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114 }
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115 return 0;
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116 }
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117
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118 static void
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119 Cocoa_GL_Shutdown(_THIS)
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120 {
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121 if (!_this->gl_data || (--_this->gl_data->initialized > 0)) {
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122 return;
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123 }
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124
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125 Cocoa_GL_UnloadLibrary(_this);
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126
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127 SDL_free(_this->gl_data);
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128 _this->gl_data = NULL;
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129 }
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130
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131 int
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132 Cocoa_GL_SetupWindow(_THIS, SDL_Window * window)
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133 {
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134 if (Cocoa_GL_Initialize(_this) < 0) {
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135 return -1;
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136 }
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137 return 0;
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138 }
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139
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140 void
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141 Cocoa_GL_CleanupWindow(_THIS, SDL_Window * window)
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142 {
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143 Cocoa_GL_Shutdown(_this);
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144 }
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145
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146 SDL_GLContext
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147 Cocoa_GL_CreateContext(_THIS, SDL_Window * window)
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148 {
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149 NSAutoreleasePool *pool;
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150 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 SDL_DisplayData *displaydata = (SDL_DisplayData *)display->driverdata;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 NSOpenGLPixelFormatAttribute attr[32];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 NSOpenGLPixelFormat *fmt;
2178
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parents: 1973
diff changeset
154 NSOpenGLContext *context;
1936
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 int i = 0;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 pool = [[NSAutoreleasePool alloc] init];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 if (window->flags & SDL_WINDOW_FULLSCREEN) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 attr[i++] = NSOpenGLPFAFullScreen;
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
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 attr[i++] = NSOpenGLPFAColorSize;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 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
165
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 attr[i++] = NSOpenGLPFADepthSize;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 attr[i++] = _this->gl_config.depth_size;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 if (_this->gl_config.double_buffer) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 attr[i++] = NSOpenGLPFADoubleBuffer;
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
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 if (_this->gl_config.stereo) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 attr[i++] = NSOpenGLPFAStereo;
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
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 if (_this->gl_config.stencil_size) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178 attr[i++] = NSOpenGLPFAStencilSize;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179 attr[i++] = _this->gl_config.stencil_size;
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
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 if ((_this->gl_config.accum_red_size +
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183 _this->gl_config.accum_green_size +
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 _this->gl_config.accum_blue_size +
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 _this->gl_config.accum_alpha_size) > 0) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 attr[i++] = NSOpenGLPFAAccumSize;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187 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
188 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190 if (_this->gl_config.multisamplebuffers) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 attr[i++] = NSOpenGLPFASampleBuffers;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 attr[i++] = _this->gl_config.multisamplebuffers;
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
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 if (_this->gl_config.multisamplesamples) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 attr[i++] = NSOpenGLPFASamples;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 attr[i++] = _this->gl_config.multisamplesamples;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198 attr[i++] = NSOpenGLPFANoRecovery;
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
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 if (_this->gl_config.accelerated > 0) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 attr[i++] = NSOpenGLPFAAccelerated;
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
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 attr[i++] = NSOpenGLPFAScreenMask;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 attr[i++] = CGDisplayIDToOpenGLDisplayMask(displaydata->display);
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 attr[i] = 0;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209 fmt = [[NSOpenGLPixelFormat alloc] initWithAttributes:attr];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210 if (fmt == nil) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211 SDL_SetError ("Failed creating OpenGL pixel format");
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 [pool release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 return NULL;
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
2178
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
216 context = [[NSOpenGLContext alloc] initWithFormat:fmt shareContext:nil];
1936
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 [fmt release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219
2178
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
220 if (context == nil) {
1936
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 SDL_SetError ("Failed creating OpenGL context");
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 [pool release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223 return NULL;
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 /*
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227 * 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
228 * "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
229 * 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
230 * 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
231 * 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
232 */
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
233
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 #ifndef GLI_ARRAY_FUNC_CACHE_MAX
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 #define GLI_ARRAY_FUNC_CACHE_MAX 284
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 #endif
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 #ifndef GLI_SUBMIT_FUNC_CACHE_MAX
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 #define GLI_SUBMIT_FUNC_CACHE_MAX 280
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 #endif
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 {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 long cache_max = 64;
2178
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
244 CGLContextObj ctx = [context CGLContextObj];
1936
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 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
246 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
247 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 /* End Wisdom from Apple Engineer section. --ryan. */
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 [pool release];
2178
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
252
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
253 if ( Cocoa_GL_MakeCurrent(_this, window, context) < 0 ) {
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
254 Cocoa_GL_DeleteContext(_this, context);
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
255 return NULL;
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
256 }
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
257
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
258 return context;
1936
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 }
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 int
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 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
263 {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 NSAutoreleasePool *pool;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 pool = [[NSAutoreleasePool alloc] init];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 if (context) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 SDL_WindowData *windowdata = (SDL_WindowData *)window->driverdata;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 NSOpenGLContext *nscontext = (NSOpenGLContext *)context;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271
1973
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
272 if (window->flags & SDL_WINDOW_FULLSCREEN) {
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
273 [nscontext setFullScreen];
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
274 } else {
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
275 [nscontext setView:[windowdata->window contentView]];
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
276 [nscontext update];
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
277 }
1936
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 [nscontext makeCurrentContext];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 } else {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 [NSOpenGLContext clearCurrentContext];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 }
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 [pool release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284 return 0;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287 int
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 Cocoa_GL_SetSwapInterval(_THIS, int interval)
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 NSAutoreleasePool *pool;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291 NSOpenGLContext *nscontext;
2703
18a472b6d745 Fixed compiler warning
Sam Lantinga <slouken@libsdl.org>
parents: 2178
diff changeset
292 GLint value;
1936
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 int status;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295 pool = [[NSAutoreleasePool alloc] init];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
296
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
297 nscontext = [NSOpenGLContext currentContext];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
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298 if (nscontext != nil) {
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299 value = interval;
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300 [nscontext setValues:&value forParameter:NSOpenGLCPSwapInterval];
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301 status = 0;
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302 } else {
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303 SDL_SetError("No current OpenGL context");
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304 status = -1;
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305 }
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306
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307 [pool release];
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308 return status;
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309 }
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310
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311 int
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312 Cocoa_GL_GetSwapInterval(_THIS)
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313 {
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314 NSAutoreleasePool *pool;
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315 NSOpenGLContext *nscontext;
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316 GLint value;
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317 int status;
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318
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319 pool = [[NSAutoreleasePool alloc] init];
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320
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321 nscontext = [NSOpenGLContext currentContext];
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322 if (nscontext != nil) {
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323 [nscontext getValues:&value forParameter:NSOpenGLCPSwapInterval];
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324 status = (int)value;
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325 } else {
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326 SDL_SetError("No current OpenGL context");
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327 status = -1;
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328 }
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329
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330 [pool release];
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331 return status;
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332 }
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333
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334 void
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335 Cocoa_GL_SwapWindow(_THIS, SDL_Window * window)
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336 {
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337 NSAutoreleasePool *pool;
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338 NSOpenGLContext *nscontext;
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339
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340 pool = [[NSAutoreleasePool alloc] init];
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341
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342 /* FIXME: Do we need to get the context for the window? */
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343 nscontext = [NSOpenGLContext currentContext];
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344 if (nscontext != nil) {
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345 [nscontext flushBuffer];
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346 }
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347
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348 [pool release];
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349 }
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350
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351 void
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352 Cocoa_GL_DeleteContext(_THIS, SDL_GLContext context)
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353 {
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354 NSAutoreleasePool *pool;
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355 NSOpenGLContext *nscontext = (NSOpenGLContext *)context;
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356
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357 pool = [[NSAutoreleasePool alloc] init];
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358
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359 [nscontext clearDrawable];
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360 [nscontext release];
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361
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362 [pool release];
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363 }
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364
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365 #endif /* SDL_VIDEO_OPENGL_CGL */
1936
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366
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367 /* vi: set ts=4 sw=4 expandtab: */