mirror of
https://github.com/TorqueGameEngines/Torque3D.git
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78 lines
3.5 KiB
C
78 lines
3.5 KiB
C
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#ifndef _MACGLUTILS_H_
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#define _MACGLUTILS_H_
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static Vector<NSOpenGLPixelFormatAttribute> _beginPixelFormatAttributesForDisplay(CGDirectDisplayID display)
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{
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Vector<NSOpenGLPixelFormatAttribute> attributes;
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attributes.reserve(16); // Most attribute lists won't exceed this
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attributes.push_back(NSOpenGLPFAScreenMask);
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attributes.push_back((NSOpenGLPixelFormatAttribute)CGDisplayIDToOpenGLDisplayMask(display));
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attributes.push_back(NSOpenGLPFANoRecovery);
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attributes.push_back(NSOpenGLPFADoubleBuffer);
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attributes.push_back(NSOpenGLPFAAccelerated);
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attributes.push_back(NSOpenGLPFAAuxBuffers);
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attributes.push_back((NSOpenGLPixelFormatAttribute)1);
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return attributes;
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}
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static void _addColorAlphaDepthStencilAttributes(Vector<NSOpenGLPixelFormatAttribute>& attributes, U32 color, U32 alpha, U32 depth, U32 stencil)
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{
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attributes.push_back(NSOpenGLPFAColorSize); attributes.push_back((NSOpenGLPixelFormatAttribute)color);
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attributes.push_back(NSOpenGLPFAAlphaSize); attributes.push_back((NSOpenGLPixelFormatAttribute)alpha);
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attributes.push_back(NSOpenGLPFADepthSize); attributes.push_back((NSOpenGLPixelFormatAttribute)depth);
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attributes.push_back(NSOpenGLPFAStencilSize); attributes.push_back((NSOpenGLPixelFormatAttribute)stencil);
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}
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static void _addFullscreenAttributes(Vector<NSOpenGLPixelFormatAttribute>& attributes)
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{
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attributes.push_back(NSOpenGLPFAFullScreen);
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}
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static void _endAttributeList(Vector<NSOpenGLPixelFormatAttribute>& attributes)
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{
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attributes.push_back((NSOpenGLPixelFormatAttribute)0);
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}
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static Vector<NSOpenGLPixelFormatAttribute> _createStandardPixelFormatAttributesForDisplay(CGDirectDisplayID display)
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{
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Vector<NSOpenGLPixelFormatAttribute> attributes = _beginPixelFormatAttributesForDisplay(display);
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_addColorAlphaDepthStencilAttributes(attributes, 24, 8, 24, 8);
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_endAttributeList(attributes);
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return attributes;
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}
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/// returns an opengl pixel format suitable for creating shared opengl contexts.
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static NSOpenGLPixelFormat* _createStandardPixelFormat()
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{
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Vector<NSOpenGLPixelFormatAttribute> attributes = _createStandardPixelFormatAttributesForDisplay(kCGDirectMainDisplay);
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NSOpenGLPixelFormat* fmt = [[NSOpenGLPixelFormat alloc] initWithAttributes:attributes.address()];
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return fmt;
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}
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#endif |