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annotate src/video/cocoa/SDL_cocoaopengl.m @ 3435:9f62f47d989b

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You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() This code still doesn't quite work yet. :)
author Sam Lantinga <slouken@libsdl.org>
date Mon, 16 Nov 2009 07:13:07 +0000
parents 089a77aebb7d
children 7812d3e9564e
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 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 /* Load the OpenGL library */
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52 if (path == NULL) {
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53 path = SDL_getenv("SDL_OPENGL_LIBRARY");
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54 }
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55 if (path == NULL) {
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56 path = DEFAULT_OPENGL;
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57 }
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58 _this->gl_config.dll_handle = SDL_LoadObject(path);
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59 if (!_this->gl_config.dll_handle) {
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60 return -1;
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61 }
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62 SDL_strlcpy(_this->gl_config.driver_path, path,
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63 SDL_arraysize(_this->gl_config.driver_path));
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64 return 0;
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65 }
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66
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67 void *
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68 Cocoa_GL_GetProcAddress(_THIS, const char *proc)
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69 {
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70 return SDL_LoadFunction(_this->gl_config.dll_handle, proc);
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71 }
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72
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73 void
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74 Cocoa_GL_UnloadLibrary(_THIS)
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75 {
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76 SDL_UnloadObject(_this->gl_config.dll_handle);
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77 _this->gl_config.dll_handle = NULL;
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78 }
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79
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80 SDL_GLContext
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81 Cocoa_GL_CreateContext(_THIS, SDL_Window * window)
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82 {
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83 NSAutoreleasePool *pool;
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84 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
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85 SDL_DisplayData *displaydata = (SDL_DisplayData *)display->driverdata;
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86 NSOpenGLPixelFormatAttribute attr[32];
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87 NSOpenGLPixelFormat *fmt;
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88 NSOpenGLContext *context;
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89 int i = 0;
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90
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91 pool = [[NSAutoreleasePool alloc] init];
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92
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93 if (window->flags & SDL_WINDOW_FULLSCREEN) {
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94 attr[i++] = NSOpenGLPFAFullScreen;
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95 }
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96
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97 attr[i++] = NSOpenGLPFAColorSize;
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98 attr[i++] = SDL_BYTESPERPIXEL(display->current_mode.format)*8;
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99
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100 attr[i++] = NSOpenGLPFADepthSize;
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101 attr[i++] = _this->gl_config.depth_size;
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102
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103 if (_this->gl_config.double_buffer) {
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104 attr[i++] = NSOpenGLPFADoubleBuffer;
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105 }
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106
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107 if (_this->gl_config.stereo) {
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108 attr[i++] = NSOpenGLPFAStereo;
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109 }
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110
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111 if (_this->gl_config.stencil_size) {
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112 attr[i++] = NSOpenGLPFAStencilSize;
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113 attr[i++] = _this->gl_config.stencil_size;
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114 }
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115
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116 if ((_this->gl_config.accum_red_size +
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117 _this->gl_config.accum_green_size +
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118 _this->gl_config.accum_blue_size +
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119 _this->gl_config.accum_alpha_size) > 0) {
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120 attr[i++] = NSOpenGLPFAAccumSize;
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121 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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122 }
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123
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124 if (_this->gl_config.multisamplebuffers) {
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125 attr[i++] = NSOpenGLPFASampleBuffers;
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126 attr[i++] = _this->gl_config.multisamplebuffers;
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127 }
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128
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129 if (_this->gl_config.multisamplesamples) {
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130 attr[i++] = NSOpenGLPFASamples;
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131 attr[i++] = _this->gl_config.multisamplesamples;
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132 attr[i++] = NSOpenGLPFANoRecovery;
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133 }
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134
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135 if (_this->gl_config.accelerated > 0) {
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136 attr[i++] = NSOpenGLPFAAccelerated;
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137 }
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138
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139 attr[i++] = NSOpenGLPFAScreenMask;
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140 attr[i++] = CGDisplayIDToOpenGLDisplayMask(displaydata->display);
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141 attr[i] = 0;
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142
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143 fmt = [[NSOpenGLPixelFormat alloc] initWithAttributes:attr];
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parents:
diff changeset
144 if (fmt == nil) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
145 SDL_SetError ("Failed creating OpenGL pixel format");
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
146 [pool release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147 return NULL;
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
2178
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
150 context = [[NSOpenGLContext alloc] initWithFormat:fmt shareContext:nil];
1936
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 [fmt release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153
2178
114a541cfae2 Creating a context makes it current, per the documentation.
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parents: 1973
diff changeset
154 if (context == nil) {
1936
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 SDL_SetError ("Failed creating OpenGL context");
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 [pool release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 return NULL;
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
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 * 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
162 * "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
163 * 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
164 * 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
165 * 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
166 */
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parents:
diff changeset
167
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
168 #ifndef GLI_ARRAY_FUNC_CACHE_MAX
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parents:
diff changeset
169 #define GLI_ARRAY_FUNC_CACHE_MAX 284
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
170 #endif
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parents:
diff changeset
171
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
172 #ifndef GLI_SUBMIT_FUNC_CACHE_MAX
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 #define GLI_SUBMIT_FUNC_CACHE_MAX 280
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
174 #endif
83946ee0ff1f Implemented OpenGL support on Mac OS X
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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
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parents:
diff changeset
177 long cache_max = 64;
2178
114a541cfae2 Creating a context makes it current, per the documentation.
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parents: 1973
diff changeset
178 CGLContextObj ctx = [context CGLContextObj];
1936
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
179 CGLSetParameter (ctx, GLI_SUBMIT_FUNC_CACHE_MAX, &cache_max);
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parents:
diff changeset
180 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
181 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
182
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parents:
diff changeset
183 /* End Wisdom from Apple Engineer section. --ryan. */
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parents:
diff changeset
184
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
185 [pool release];
2178
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parents: 1973
diff changeset
186
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
187 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
188 Cocoa_GL_DeleteContext(_this, context);
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
189 return NULL;
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
190 }
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
191
114a541cfae2 Creating a context makes it current, per the documentation.
Sam Lantinga <slouken@libsdl.org>
parents: 1973
diff changeset
192 return context;
1936
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
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parents:
diff changeset
194
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
195 int
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
196 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
197 {
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
198 NSAutoreleasePool *pool;
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
199
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
200 pool = [[NSAutoreleasePool alloc] init];
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
201
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 if (context) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
203 SDL_WindowData *windowdata = (SDL_WindowData *)window->driverdata;
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
204 NSOpenGLContext *nscontext = (NSOpenGLContext *)context;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205
1973
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
206 if (window->flags & SDL_WINDOW_FULLSCREEN) {
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
207 [nscontext setFullScreen];
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
208 } else {
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
209 [nscontext setView:[windowdata->window contentView]];
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
210 [nscontext update];
81255f93dfcd Fixed fullscreen modes with Cocoa video driver.
Sam Lantinga <slouken@libsdl.org>
parents: 1970
diff changeset
211 }
1936
83946ee0ff1f Implemented OpenGL support on Mac OS X
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diff changeset
212 [nscontext makeCurrentContext];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 } else {
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
214 [NSOpenGLContext clearCurrentContext];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
216
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parents:
diff changeset
217 [pool release];
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 return 0;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
220
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 int
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 Cocoa_GL_SetSwapInterval(_THIS, int interval)
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
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parents:
diff changeset
224 NSAutoreleasePool *pool;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225 NSOpenGLContext *nscontext;
2703
18a472b6d745 Fixed compiler warning
Sam Lantinga <slouken@libsdl.org>
parents: 2178
diff changeset
226 GLint value;
1936
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
227 int status;
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
228
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diff changeset
229 pool = [[NSAutoreleasePool alloc] init];
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
230
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
231 nscontext = [NSOpenGLContext currentContext];
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
232 if (nscontext != nil) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 value = interval;
83946ee0ff1f Implemented OpenGL support on Mac OS X
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parents:
diff changeset
234 [nscontext setValues:&value forParameter:NSOpenGLCPSwapInterval];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 status = 0;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 } else {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 SDL_SetError("No current OpenGL context");
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 status = -1;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 }
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 [pool release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 return status;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 int
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 Cocoa_GL_GetSwapInterval(_THIS)
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 NSAutoreleasePool *pool;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 NSOpenGLContext *nscontext;
2703
18a472b6d745 Fixed compiler warning
Sam Lantinga <slouken@libsdl.org>
parents: 2178
diff changeset
250 GLint value;
1936
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 int status;
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 pool = [[NSAutoreleasePool alloc] init];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 nscontext = [NSOpenGLContext currentContext];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 if (nscontext != nil) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 [nscontext getValues:&value forParameter:NSOpenGLCPSwapInterval];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 status = (int)value;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 } else {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 SDL_SetError("No current OpenGL context");
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 status = -1;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 }
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 [pool release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 return status;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 }
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 void
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 Cocoa_GL_SwapWindow(_THIS, SDL_Window * window)
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 NSAutoreleasePool *pool;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272 NSOpenGLContext *nscontext;
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 pool = [[NSAutoreleasePool alloc] init];
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 /* 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
277 nscontext = [NSOpenGLContext currentContext];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 if (nscontext != nil) {
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 [nscontext flushBuffer];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 }
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 [pool release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 }
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 void
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286 Cocoa_GL_DeleteContext(_THIS, SDL_GLContext context)
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 NSAutoreleasePool *pool;
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289 NSOpenGLContext *nscontext = (NSOpenGLContext *)context;
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 pool = [[NSAutoreleasePool alloc] init];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 [nscontext clearDrawable];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294 [nscontext release];
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295
83946ee0ff1f Implemented OpenGL support on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents:
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296 [pool release];
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297 }
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298
1952
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299 #endif /* SDL_VIDEO_OPENGL_CGL */
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300
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301 /* vi: set ts=4 sw=4 expandtab: */