| 0,0 → 1,166 |
|---|
| /* |
| Copyright (c) 2008, 2009 Apple Inc. |
| |
| Permission is hereby granted, free of charge, to any person |
| obtaining a copy of this software and associated documentation files |
| (the "Software"), to deal in the Software without restriction, |
| including without limitation the rights to use, copy, modify, merge, |
| publish, distribute, sublicense, and/or sell copies of the Software, |
| and to permit persons to whom the Software is furnished to do so, |
| subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be |
| included in all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT |
| HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| DEALINGS IN THE SOFTWARE. |
| |
| Except as contained in this notice, the name(s) of the above |
| copyright holders shall not be used in advertising or otherwise to |
| promote the sale, use or other dealings in this Software without |
| prior written authorization. |
| */ |
| |
| #include <stdbool.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <assert.h> |
| #include <GL/gl.h> |
| |
| /* <rdar://problem/6953344> */ |
| #define glTexImage1D glTexImage1D_OSX |
| #define glTexImage2D glTexImage2D_OSX |
| #define glTexImage3D glTexImage3D_OSX |
| #include <OpenGL/OpenGL.h> |
| #include <OpenGL/CGLContext.h> |
| #include <OpenGL/CGLRenderers.h> |
| #include <OpenGL/CGLTypes.h> |
| #undef glTexImage1D |
| #undef glTexImage2D |
| #undef glTexImage3D |
| |
| #ifndef kCGLPFAOpenGLProfile |
| #define kCGLPFAOpenGLProfile 99 |
| #endif |
| |
| #ifndef kCGLOGLPVersion_3_2_Core |
| #define kCGLOGLPVersion_3_2_Core 0x3200 |
| #endif |
| |
| #include "apple_cgl.h" |
| #include "apple_visual.h" |
| #include "apple_glx.h" |
| #include "glxconfig.h" |
| |
| enum |
| { |
| MAX_ATTR = 60 |
| }; |
| |
| void |
| apple_visual_create_pfobj(CGLPixelFormatObj * pfobj, const struct glx_config * mode, |
| bool * double_buffered, bool * uses_stereo, |
| bool offscreen) |
| { |
| CGLPixelFormatAttribute attr[MAX_ATTR]; |
| int numattr = 0; |
| GLint vsref = 0; |
| CGLError error = 0; |
| |
| /* Request an OpenGL 3.2 profile if one is available */ |
| if(apple_cgl.version_major > 1 || (apple_cgl.version_major == 1 && apple_cgl.version_minor >= 3)) { |
| attr[numattr++] = kCGLPFAOpenGLProfile; |
| attr[numattr++] = kCGLOGLPVersion_3_2_Core; |
| } |
| |
| if (offscreen) { |
| apple_glx_diagnostic |
| ("offscreen rendering enabled. Using kCGLPFAOffScreen\n"); |
| |
| attr[numattr++] = kCGLPFAOffScreen; |
| attr[numattr++] = kCGLPFAColorSize; |
| attr[numattr++] = 32; |
| } |
| else if (getenv("LIBGL_ALWAYS_SOFTWARE") != NULL) { |
| apple_glx_diagnostic |
| ("Software rendering requested. Using kCGLRendererGenericFloatID.\n"); |
| attr[numattr++] = kCGLPFARendererID; |
| attr[numattr++] = kCGLRendererGenericFloatID; |
| } |
| else if (getenv("LIBGL_ALLOW_SOFTWARE") != NULL) { |
| apple_glx_diagnostic |
| ("Software rendering is not being excluded. Not using kCGLPFAAccelerated.\n"); |
| } |
| else { |
| attr[numattr++] = kCGLPFAAccelerated; |
| } |
| |
| /* |
| * The program chose a config based on the fbconfigs or visuals. |
| * Those are based on the attributes from CGL, so we probably |
| * do want the closest match for the color, depth, and accum. |
| */ |
| attr[numattr++] = kCGLPFAClosestPolicy; |
| |
| if (mode->stereoMode) { |
| attr[numattr++] = kCGLPFAStereo; |
| *uses_stereo = true; |
| } |
| else { |
| *uses_stereo = false; |
| } |
| |
| if (!offscreen && mode->doubleBufferMode) { |
| attr[numattr++] = kCGLPFADoubleBuffer; |
| *double_buffered = true; |
| } |
| else { |
| *double_buffered = false; |
| } |
| |
| attr[numattr++] = kCGLPFAColorSize; |
| attr[numattr++] = mode->redBits + mode->greenBits + mode->blueBits; |
| attr[numattr++] = kCGLPFAAlphaSize; |
| attr[numattr++] = mode->alphaBits; |
| |
| if ((mode->accumRedBits + mode->accumGreenBits + mode->accumBlueBits) > 0) { |
| attr[numattr++] = kCGLPFAAccumSize; |
| attr[numattr++] = mode->accumRedBits + mode->accumGreenBits + |
| mode->accumBlueBits + mode->accumAlphaBits; |
| } |
| |
| if (mode->depthBits > 0) { |
| attr[numattr++] = kCGLPFADepthSize; |
| attr[numattr++] = mode->depthBits; |
| } |
| |
| if (mode->stencilBits > 0) { |
| attr[numattr++] = kCGLPFAStencilSize; |
| attr[numattr++] = mode->stencilBits; |
| } |
| |
| if (mode->sampleBuffers > 0) { |
| attr[numattr++] = kCGLPFAMultisample; |
| attr[numattr++] = kCGLPFASampleBuffers; |
| attr[numattr++] = mode->sampleBuffers; |
| attr[numattr++] = kCGLPFASamples; |
| attr[numattr++] = mode->samples; |
| } |
| |
| attr[numattr++] = 0; |
| |
| assert(numattr < MAX_ATTR); |
| |
| error = apple_cgl.choose_pixel_format(attr, pfobj, &vsref); |
| |
| if (error) { |
| fprintf(stderr, "error: %s\n", apple_cgl.error_string(error)); |
| abort(); |
| } |
| } |