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>
47 #include "apple_cgl.h"
48 #include "apple_visual.h"
49 #include "apple_glx.h"
50 #include "glcontextmodes.h"
57 /*mode is a __GlcontextModes*/
59 apple_visual_create_pfobj(CGLPixelFormatObj
* pfobj
, const void *mode
,
60 bool * double_buffered
, bool * uses_stereo
,
63 CGLPixelFormatAttribute attr
[MAX_ATTR
];
64 const __GLcontextModes
*c
= mode
;
71 ("offscreen rendering enabled. Using kCGLPFAOffScreen\n");
73 attr
[numattr
++] = kCGLPFAOffScreen
;
74 attr
[numattr
++] = kCGLPFAColorSize
;
77 else if (getenv("LIBGL_ALWAYS_SOFTWARE") != NULL
) {
79 ("Software rendering requested. Using kCGLRendererGenericFloatID.\n");
80 attr
[numattr
++] = kCGLPFARendererID
;
81 attr
[numattr
++] = kCGLRendererGenericFloatID
;
83 else if (getenv("LIBGL_ALLOW_SOFTWARE") != NULL
) {
85 ("Software rendering is not being excluded. Not using kCGLPFAAccelerated.\n");
88 attr
[numattr
++] = kCGLPFAAccelerated
;
92 * The program chose a config based on the fbconfigs or visuals.
93 * Those are based on the attributes from CGL, so we probably
94 * do want the closest match for the color, depth, and accum.
96 attr
[numattr
++] = kCGLPFAClosestPolicy
;
99 attr
[numattr
++] = kCGLPFAStereo
;
103 *uses_stereo
= false;
106 if (c
->doubleBufferMode
) {
107 attr
[numattr
++] = kCGLPFADoubleBuffer
;
108 *double_buffered
= true;
111 *double_buffered
= false;
114 attr
[numattr
++] = kCGLPFAColorSize
;
115 attr
[numattr
++] = c
->redBits
+ c
->greenBits
+ c
->blueBits
;
116 attr
[numattr
++] = kCGLPFAAlphaSize
;
117 attr
[numattr
++] = c
->alphaBits
;
119 if ((c
->accumRedBits
+ c
->accumGreenBits
+ c
->accumBlueBits
) > 0) {
120 attr
[numattr
++] = kCGLPFAAccumSize
;
121 attr
[numattr
++] = c
->accumRedBits
+ c
->accumGreenBits
+
122 c
->accumBlueBits
+ c
->accumAlphaBits
;
125 if (c
->depthBits
> 0) {
126 attr
[numattr
++] = kCGLPFADepthSize
;
127 attr
[numattr
++] = c
->depthBits
;
130 if (c
->stencilBits
> 0) {
131 attr
[numattr
++] = kCGLPFAStencilSize
;
132 attr
[numattr
++] = c
->stencilBits
;
135 if (c
->sampleBuffers
> 0) {
136 attr
[numattr
++] = kCGLPFAMultisample
;
137 attr
[numattr
++] = kCGLPFASampleBuffers
;
138 attr
[numattr
++] = c
->sampleBuffers
;
139 attr
[numattr
++] = kCGLPFASamples
;
140 attr
[numattr
++] = c
->samples
;
145 assert(numattr
< MAX_ATTR
);
147 error
= apple_cgl
.choose_pixel_format(attr
, pfobj
, &vsref
);
150 fprintf(stderr
, "error: %s\n", apple_cgl
.error_string(error
));