2 Copyright (c) 2008, 2009 Apple Inc.
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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"
67 apple_visual_create_pfobj(CGLPixelFormatObj
* pfobj
, const struct glx_config
* mode
,
68 bool * double_buffered
, bool * uses_stereo
,
71 CGLPixelFormatAttribute attr
[MAX_ATTR
];
76 /* Request an OpenGL 3.2 profile if one is available */
77 if(apple_cgl
.version_major
> 1 || (apple_cgl
.version_major
== 1 && apple_cgl
.version_minor
>= 3)) {
78 attr
[numattr
++] = kCGLPFAOpenGLProfile
;
79 attr
[numattr
++] = kCGLOGLPVersion_3_2_Core
;
84 ("offscreen rendering enabled. Using kCGLPFAOffScreen\n");
86 attr
[numattr
++] = kCGLPFAOffScreen
;
87 attr
[numattr
++] = kCGLPFAColorSize
;
90 else if (getenv("LIBGL_ALWAYS_SOFTWARE") != NULL
) {
92 ("Software rendering requested. Using kCGLRendererGenericFloatID.\n");
93 attr
[numattr
++] = kCGLPFARendererID
;
94 attr
[numattr
++] = kCGLRendererGenericFloatID
;
96 else if (getenv("LIBGL_ALLOW_SOFTWARE") != NULL
) {
98 ("Software rendering is not being excluded. Not using kCGLPFAAccelerated.\n");
101 attr
[numattr
++] = kCGLPFAAccelerated
;
105 * The program chose a config based on the fbconfigs or visuals.
106 * Those are based on the attributes from CGL, so we probably
107 * do want the closest match for the color, depth, and accum.
109 attr
[numattr
++] = kCGLPFAClosestPolicy
;
111 if (mode
->stereoMode
) {
112 attr
[numattr
++] = kCGLPFAStereo
;
116 *uses_stereo
= false;
119 if (mode
->doubleBufferMode
) {
120 attr
[numattr
++] = kCGLPFADoubleBuffer
;
121 *double_buffered
= true;
124 *double_buffered
= false;
127 attr
[numattr
++] = kCGLPFAColorSize
;
128 attr
[numattr
++] = mode
->redBits
+ mode
->greenBits
+ mode
->blueBits
;
129 attr
[numattr
++] = kCGLPFAAlphaSize
;
130 attr
[numattr
++] = mode
->alphaBits
;
132 if ((mode
->accumRedBits
+ mode
->accumGreenBits
+ mode
->accumBlueBits
) > 0) {
133 attr
[numattr
++] = kCGLPFAAccumSize
;
134 attr
[numattr
++] = mode
->accumRedBits
+ mode
->accumGreenBits
+
135 mode
->accumBlueBits
+ mode
->accumAlphaBits
;
138 if (mode
->depthBits
> 0) {
139 attr
[numattr
++] = kCGLPFADepthSize
;
140 attr
[numattr
++] = mode
->depthBits
;
143 if (mode
->stencilBits
> 0) {
144 attr
[numattr
++] = kCGLPFAStencilSize
;
145 attr
[numattr
++] = mode
->stencilBits
;
148 if (mode
->sampleBuffers
> 0) {
149 attr
[numattr
++] = kCGLPFAMultisample
;
150 attr
[numattr
++] = kCGLPFASampleBuffers
;
151 attr
[numattr
++] = mode
->sampleBuffers
;
152 attr
[numattr
++] = kCGLPFASamples
;
153 attr
[numattr
++] = mode
->samples
;
158 assert(numattr
< MAX_ATTR
);
160 error
= apple_cgl
.choose_pixel_format(attr
, pfobj
, &vsref
);
163 fprintf(stderr
, "error: %s\n", apple_cgl
.error_string(error
));