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110 lines
4.5 KiB
110 lines
4.5 KiB
/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016 |
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Vladimír Vondruš <mosra@centrum.cz> |
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Copyright © 2013 <https://github.com/ArEnSc> |
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Copyright © 2014 Travis Watkins <https://github.com/amaranth> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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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 |
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THE 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 |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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#include "WindowlessCglApplication.h" |
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#include <Corrade/Utility/Assert.h> |
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#include <Corrade/Utility/Debug.h> |
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#include "Magnum/Version.h" |
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#include "Magnum/Platform/Context.h" |
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namespace Magnum { namespace Platform { |
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#ifndef DOXYGEN_GENERATING_OUTPUT |
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WindowlessCglApplication::WindowlessCglApplication(const Arguments& arguments): WindowlessCglApplication{arguments, Configuration{}} {} |
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#endif |
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WindowlessCglApplication::WindowlessCglApplication(const Arguments& arguments, const Configuration& configuration): WindowlessCglApplication{arguments, nullptr} { |
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createContext(configuration); |
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} |
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WindowlessCglApplication::WindowlessCglApplication(const Arguments& arguments, std::nullptr_t): _context{new Context{NoCreate, arguments.argc, arguments.argv}} {} |
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void WindowlessCglApplication::createContext() { createContext({}); } |
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void WindowlessCglApplication::createContext(const Configuration& configuration) { |
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if(!tryCreateContext(configuration)) std::exit(1); |
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} |
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bool WindowlessCglApplication::tryCreateContext(const Configuration&) { |
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CORRADE_ASSERT(_context->version() == Version::None, "Platform::WindowlessCglApplication::tryCreateContext(): context already created", false); |
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int formatCount; |
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CGLPixelFormatAttribute attributes32[] = { |
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kCGLPFAAccelerated, |
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kCGLPFAOpenGLProfile, |
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CGLPixelFormatAttribute(kCGLOGLPVersion_3_2_Core), |
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CGLPixelFormatAttribute(0) |
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}; |
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if(CGLChoosePixelFormat(attributes32, &_pixelFormat, &formatCount) != kCGLNoError) { |
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Error() << "Platform::WindowlessCglApplication::tryCreateContext(): cannot choose pixel format for GL 3.2, falling back to 3.0"; |
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CGLPixelFormatAttribute attributes30[] = { |
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kCGLPFAAccelerated, |
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kCGLPFAOpenGLProfile, |
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CGLPixelFormatAttribute(kCGLOGLPVersion_GL3_Core), |
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CGLPixelFormatAttribute(0) |
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}; |
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if(CGLChoosePixelFormat(attributes30, &_pixelFormat, &formatCount) != kCGLNoError) { |
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Error() << "Platform::WindowlessCglApplication::tryCreateContext(): cannot choose pixel format for GL 3.0, falling back to 2.1"; |
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CGLPixelFormatAttribute attributes21[] = { |
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kCGLPFAAccelerated, |
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kCGLPFAOpenGLProfile, |
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CGLPixelFormatAttribute(kCGLOGLPVersion_Legacy), |
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CGLPixelFormatAttribute(0) |
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}; |
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if(CGLChoosePixelFormat(attributes21, &_pixelFormat, &formatCount) != kCGLNoError) { |
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Error() << "Platform::WindowlessCglApplication::tryCreateContext(): cannot choose pixel format"; |
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return false; |
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} |
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} |
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} |
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if(CGLCreateContext(_pixelFormat, nullptr, &_glContext) != kCGLNoError) { |
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Error() << "Platform::WindowlessCglApplication::tryCreateContext(): cannot create context"; |
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return false; |
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} |
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if(CGLSetCurrentContext(_glContext) != kCGLNoError) { |
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Error() << "Platform::WindowlessCglApplication::tryCreateContext(): cannot make context current"; |
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return false; |
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} |
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/* Return true if the initialization succeeds */ |
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return _context->tryCreate(); |
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} |
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WindowlessCglApplication::~WindowlessCglApplication() { |
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_context.reset(); |
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CGLDestroyContext(_glContext); |
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CGLDestroyPixelFormat(_pixelFormat); |
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} |
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}}
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