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annotate src/video/cocoa/SDL_cocoaopengl.m @ 4634:242c805baf68

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Updated with the latest version of glext.h
author Sam Lantinga <slouken@libsdl.org>
date Sat, 14 Aug 2010 12:22:06 -0700
parents 3d91e31fcf71
children 514f811a4887
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 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 #include <OpenGL/CGLRenderers.h>
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32
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33 #include "SDL_loadso.h"
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34 #include "SDL_opengl.h"
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35
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36
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37 #define DEFAULT_OPENGL "/System/Library/Frameworks/OpenGL.framework/Libraries/libGL.dylib"
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38
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39 /* This is implemented in Mac OS X 10.3 and above */
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40 #if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_3
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41 @implementation NSOpenGLContext(CGLContextAccess)
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42 - (CGLContextObj)CGLContextObj;
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43 {
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44 return _contextAuxiliary;
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45 }
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46 @end
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47 #endif /* < 10.3 */
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48
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49 int
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50 Cocoa_GL_LoadLibrary(_THIS, const char *path)
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51 {
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52 /* Load the OpenGL library */
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53 if (path == NULL) {
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54 path = SDL_getenv("SDL_OPENGL_LIBRARY");
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55 }
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56 if (path == NULL) {
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57 path = DEFAULT_OPENGL;
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58 }
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59 _this->gl_config.dll_handle = SDL_LoadObject(path);
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60 if (!_this->gl_config.dll_handle) {
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61 return -1;
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62 }
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63 SDL_strlcpy(_this->gl_config.driver_path, path,
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64 SDL_arraysize(_this->gl_config.driver_path));
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65 return 0;
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66 }
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67
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68 void *
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69 Cocoa_GL_GetProcAddress(_THIS, const char *proc)
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70 {
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71 return SDL_LoadFunction(_this->gl_config.dll_handle, proc);
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72 }
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73
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74 void
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75 Cocoa_GL_UnloadLibrary(_THIS)
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76 {
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77 SDL_UnloadObject(_this->gl_config.dll_handle);
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78 _this->gl_config.dll_handle = NULL;
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79 }
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80
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81 SDL_GLContext
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82 Cocoa_GL_CreateContext(_THIS, SDL_Window * window)
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83 {
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84 NSAutoreleasePool *pool;
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85 SDL_VideoDisplay *display = window->display;
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86 SDL_DisplayData *displaydata = (SDL_DisplayData *)display->driverdata;
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87 NSOpenGLPixelFormatAttribute attr[32];
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88 NSOpenGLPixelFormat *fmt;
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89 NSOpenGLContext *context;
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90 int i = 0;
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91
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92 pool = [[NSAutoreleasePool alloc] init];
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93
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94 if (window->flags & SDL_WINDOW_FULLSCREEN) {
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95 attr[i++] = NSOpenGLPFAFullScreen;
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96 }
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97
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98 attr[i++] = NSOpenGLPFAColorSize;
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99 attr[i++] = SDL_BYTESPERPIXEL(display->current_mode.format)*8;
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100
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101 attr[i++] = NSOpenGLPFADepthSize;
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102 attr[i++] = _this->gl_config.depth_size;
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103
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104 if (_this->gl_config.double_buffer) {
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105 attr[i++] = NSOpenGLPFADoubleBuffer;
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106 }
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107
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108 if (_this->gl_config.stereo) {
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109 attr[i++] = NSOpenGLPFAStereo;
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110 }
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111
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112 if (_this->gl_config.stencil_size) {
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113 attr[i++] = NSOpenGLPFAStencilSize;
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114 attr[i++] = _this->gl_config.stencil_size;
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115 }
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116
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117 if ((_this->gl_config.accum_red_size +
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118 _this->gl_config.accum_green_size +
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119 _this->gl_config.accum_blue_size +
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120 _this->gl_config.accum_alpha_size) > 0) {
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121 attr[i++] = NSOpenGLPFAAccumSize;
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122 attr[i++] = _this->gl_config.accum_red_size + _this->gl_config.accum_green_size + _this->gl_config.accum_blue_size + _this->gl_config.accum_alpha_size;
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123 }
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124
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125 if (_this->gl_config.multisamplebuffers) {
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126 attr[i++] = NSOpenGLPFASampleBuffers;
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127 attr[i++] = _this->gl_config.multisamplebuffers;
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128 }
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129
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130 if (_this->gl_config.multisamplesamples) {
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131 attr[i++] = NSOpenGLPFASamples;
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132 attr[i++] = _this->gl_config.multisamplesamples;
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133 attr[i++] = NSOpenGLPFANoRecovery;
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134 }
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135
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136 if (_this->gl_config.accelerated >= 0) {
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137 if (_this->gl_config.accelerated) {
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138 attr[i++] = NSOpenGLPFAAccelerated;
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139 } else {
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140 attr[i++] = NSOpenGLPFARendererID;
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141 attr[i++] = kCGLRendererGenericFloatID;
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142 }
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143 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 attr[i++] = NSOpenGLPFAScreenMask;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 attr[i++] = CGDisplayIDToOpenGLDisplayMask(displaydata->display);
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
147 attr[i] = 0;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149 fmt = [[NSOpenGLPixelFormat alloc] initWithAttributes:attr];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150 if (fmt == nil) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 SDL_SetError ("Failed creating OpenGL pixel format");
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
152 [pool release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 return NULL;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155
2178
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
156 context = [[NSOpenGLContext alloc] initWithFormat:fmt shareContext:nil];
1936
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
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parents:
diff changeset
158 [fmt release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159
2178
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
160 if (context == nil) {
1936
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 SDL_SetError ("Failed creating OpenGL context");
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162 [pool release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 return NULL;
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
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 /*
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 * Wisdom from Apple engineer in reference to UT2003's OpenGL performance:
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
168 * "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
169 * appears to be happening in the VAO case. You can tell OpenGL to up
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
170 * 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
171 * 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
172 */
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parents:
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173
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
174 #ifndef GLI_ARRAY_FUNC_CACHE_MAX
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
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175 #define GLI_ARRAY_FUNC_CACHE_MAX 284
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
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176 #endif
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parents:
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177
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
178 #ifndef GLI_SUBMIT_FUNC_CACHE_MAX
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
179 #define GLI_SUBMIT_FUNC_CACHE_MAX 280
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
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180 #endif
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
181
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 {
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
183 long cache_max = 64;
2178
114a541cfae2 Creating a context makes it current, per the documentation.
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parents: 1973
diff changeset
184 CGLContextObj ctx = [context CGLContextObj];
1936
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
185 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
186 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
187 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
188
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parents:
diff changeset
189 /* End Wisdom from Apple Engineer section. --ryan. */
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
190
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
191 [pool release];
2178
114a541cfae2 Creating a context makes it current, per the documentation.
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parents: 1973
diff changeset
192
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
193 if ( Cocoa_GL_MakeCurrent(_this, window, context) < 0 ) {
114a541cfae2 Creating a context makes it current, per the documentation.
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parents: 1973
diff changeset
194 Cocoa_GL_DeleteContext(_this, context);
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
195 return NULL;
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
196 }
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
197
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
198 return context;
1936
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
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parents:
diff changeset
200
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 int
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
202 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
203 {
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
204 NSAutoreleasePool *pool;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
206 pool = [[NSAutoreleasePool alloc] init];
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
207
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
208 if (context) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
209 SDL_WindowData *windowdata = (SDL_WindowData *)window->driverdata;
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
210 NSOpenGLContext *nscontext = (NSOpenGLContext *)context;
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
211
1973
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
212 if (window->flags & SDL_WINDOW_FULLSCREEN) {
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
213 [nscontext setFullScreen];
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
214 } else {
3688
6512cba48440 Fixed Cocoa and OpenGL builds
Sam Lantinga <slouken@libsdl.org>
parents: 3685
diff changeset
215 [nscontext setView:[windowdata->nswindow contentView]];
1973
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
216 [nscontext update];
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
217 }
1936
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
218 [nscontext makeCurrentContext];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 } else {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220 [NSOpenGLContext clearCurrentContext];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222
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parents:
diff changeset
223 [pool release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224 return 0;
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 int
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 Cocoa_GL_SetSwapInterval(_THIS, int interval)
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229 {
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
230 NSAutoreleasePool *pool;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231 NSOpenGLContext *nscontext;
2703
18a472b6d745 Fixed compiler warning
Sam Lantinga <slouken@libsdl.org>
parents: 2178
diff changeset
232 GLint value;
1936
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
233 int status;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
235 pool = [[NSAutoreleasePool alloc] init];
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
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parents:
diff changeset
237 nscontext = [NSOpenGLContext currentContext];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 if (nscontext != nil) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 value = interval;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 [nscontext setValues:&value forParameter:NSOpenGLCPSwapInterval];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 status = 0;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 } else {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 SDL_SetError("No current OpenGL context");
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 status = -1;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 }
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 [pool release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 return status;
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
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 int
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 Cocoa_GL_GetSwapInterval(_THIS)
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 NSAutoreleasePool *pool;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 NSOpenGLContext *nscontext;
2703
18a472b6d745 Fixed compiler warning
Sam Lantinga <slouken@libsdl.org>
parents: 2178
diff changeset
256 GLint value;
1936
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 int status;
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 nscontext = [NSOpenGLContext currentContext];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 if (nscontext != nil) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 [nscontext getValues:&value forParameter:NSOpenGLCPSwapInterval];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 status = (int)value;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 } else {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 SDL_SetError("No current OpenGL context");
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 status = -1;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 [pool release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 return status;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 void
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 Cocoa_GL_SwapWindow(_THIS, SDL_Window * window)
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277 NSAutoreleasePool *pool;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 NSOpenGLContext *nscontext;
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 pool = [[NSAutoreleasePool alloc] init];
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 /* FIXME: Do we need to get the context for the window? */
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 nscontext = [NSOpenGLContext currentContext];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284 if (nscontext != nil) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 [nscontext flushBuffer];
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
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 [pool release];
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
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291 void
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292 Cocoa_GL_DeleteContext(_THIS, SDL_GLContext context)
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294 NSAutoreleasePool *pool;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295 NSOpenGLContext *nscontext = (NSOpenGLContext *)context;
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296
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297 pool = [[NSAutoreleasePool alloc] init];
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298
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299 [nscontext clearDrawable];
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300 [nscontext release];
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301
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302 [pool release];
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303 }
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304
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420716272158 Implemented X11 OpenGL support.
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305 #endif /* SDL_VIDEO_OPENGL_CGL */
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306
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307 /* vi: set ts=4 sw=4 expandtab: */