2 Copyright (c) 2008, 2009 Apple Inc.
4 Permission is hereby granted, free of charge, to any person
5 obtaining a copy of this software and associated documentation files
6 (the "Software"), to deal in the Software without restriction,
7 including without limitation the rights to use, copy, modify, merge,
8 publish, distribute, sublicense, and/or sell copies of the Software,
9 and to permit persons to whom the Software is furnished to do so,
10 subject to the following conditions:
12 The above copyright notice and this permission notice shall be
13 included in all copies or substantial portions of the Software.
15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
19 HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 DEALINGS IN THE SOFTWARE.
24 Except as contained in this notice, the name(s) of the above
25 copyright holders shall not be used in advertising or otherwise to
26 promote the sale, use or other dealings in this Software without
27 prior written authorization.
36 /* <rdar://problem/6953344> */
37 #define glTexImage1D glTexImage1D_OSX
38 #define glTexImage2D glTexImage2D_OSX
39 #define glTexImage3D glTexImage3D_OSX
40 #include <OpenGL/OpenGL.h>
41 #include <OpenGL/CGLContext.h>
42 #include <OpenGL/CGLRenderers.h>
43 #include <OpenGL/CGLTypes.h>
48 #ifndef kCGLPFAOpenGLProfile
49 #define kCGLPFAOpenGLProfile 99
52 #ifndef kCGLOGLPVersion_3_2_Core
53 #define kCGLOGLPVersion_3_2_Core 0x3200
56 #include "apple_cgl.h"
57 #include "apple_visual.h"
58 #include "apple_glx.h"
59 #include "glxconfig.h"
66 static char __crashreporter_info_buff__
[4096] = { 0 };
67 static const char *__crashreporter_info__
__attribute__((__used__
)) =
68 &__crashreporter_info_buff__
[0];
69 #if MAC_OS_X_VERSION_MIN_REQUIRED >= 1050
70 // This is actually a toolchain requirement, but I'm not sure the correct check,
71 // but it should be fine to just only include it for Leopard and later. This line
72 // just tells the linker to never strip this symbol (such as for space optimization)
73 __asm__ (".desc ___crashreporter_info__, 0x10");
77 apple_visual_create_pfobj(CGLPixelFormatObj
* pfobj
, const struct glx_config
* mode
,
78 bool * double_buffered
, bool * uses_stereo
,
81 CGLPixelFormatAttribute attr
[MAX_ATTR
];
85 bool use_core_profile
= getenv("LIBGL_PROFILE_CORE");
89 ("offscreen rendering enabled. Using kCGLPFAOffScreen\n");
91 attr
[numattr
++] = kCGLPFAOffScreen
;
92 attr
[numattr
++] = kCGLPFAColorSize
;
95 else if (getenv("LIBGL_ALWAYS_SOFTWARE") != NULL
) {
97 ("Software rendering requested. Using kCGLRendererGenericFloatID.\n");
98 attr
[numattr
++] = kCGLPFARendererID
;
99 attr
[numattr
++] = kCGLRendererGenericFloatID
;
101 else if (getenv("LIBGL_ALLOW_SOFTWARE") != NULL
) {
103 ("Software rendering is not being excluded. Not using kCGLPFAAccelerated.\n");
106 attr
[numattr
++] = kCGLPFAAccelerated
;
110 * The program chose a config based on the fbconfigs or visuals.
111 * Those are based on the attributes from CGL, so we probably
112 * do want the closest match for the color, depth, and accum.
114 attr
[numattr
++] = kCGLPFAClosestPolicy
;
116 if (mode
->stereoMode
) {
117 attr
[numattr
++] = kCGLPFAStereo
;
121 *uses_stereo
= false;
124 if (!offscreen
&& mode
->doubleBufferMode
) {
125 attr
[numattr
++] = kCGLPFADoubleBuffer
;
126 *double_buffered
= true;
129 *double_buffered
= false;
132 attr
[numattr
++] = kCGLPFAColorSize
;
133 attr
[numattr
++] = mode
->redBits
+ mode
->greenBits
+ mode
->blueBits
;
134 attr
[numattr
++] = kCGLPFAAlphaSize
;
135 attr
[numattr
++] = mode
->alphaBits
;
137 if ((mode
->accumRedBits
+ mode
->accumGreenBits
+ mode
->accumBlueBits
) > 0) {
138 attr
[numattr
++] = kCGLPFAAccumSize
;
139 attr
[numattr
++] = mode
->accumRedBits
+ mode
->accumGreenBits
+
140 mode
->accumBlueBits
+ mode
->accumAlphaBits
;
143 if (mode
->depthBits
> 0) {
144 attr
[numattr
++] = kCGLPFADepthSize
;
145 attr
[numattr
++] = mode
->depthBits
;
148 if (mode
->stencilBits
> 0) {
149 attr
[numattr
++] = kCGLPFAStencilSize
;
150 attr
[numattr
++] = mode
->stencilBits
;
153 if (mode
->sampleBuffers
> 0) {
154 attr
[numattr
++] = kCGLPFAMultisample
;
155 attr
[numattr
++] = kCGLPFASampleBuffers
;
156 attr
[numattr
++] = mode
->sampleBuffers
;
157 attr
[numattr
++] = kCGLPFASamples
;
158 attr
[numattr
++] = mode
->samples
;
161 /* Debugging support for Core profiles to support newer versions of OpenGL */
162 if (use_core_profile
) {
163 attr
[numattr
++] = kCGLPFAOpenGLProfile
;
164 attr
[numattr
++] = kCGLOGLPVersion_3_2_Core
;
169 assert(numattr
< MAX_ATTR
);
171 error
= apple_cgl
.choose_pixel_format(attr
, pfobj
, &vsref
);
173 if ((error
== kCGLBadAttribute
|| vsref
== 0) && use_core_profile
) {
175 ("Trying again without CoreProfile: error=%s, vsref=%d\n", apple_cgl
.error_string(error
), vsref
);
178 apple_cgl
.destroy_pixel_format(*pfobj
);
183 error
= apple_cgl
.choose_pixel_format(attr
, pfobj
, &vsref
);
187 snprintf(__crashreporter_info_buff__
, sizeof(__crashreporter_info_buff__
),
188 "CGLChoosePixelFormat error: %s\n", apple_cgl
.error_string(error
));
189 fprintf(stderr
, "%s", __crashreporter_info_buff__
);
194 snprintf(__crashreporter_info_buff__
, sizeof(__crashreporter_info_buff__
),
195 "No matching pixelformats found, perhaps try using LIBGL_ALLOW_SOFTWARE\n");
196 fprintf(stderr
, "%s", __crashreporter_info_buff__
);