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#ifdef _WIN32
#include <osgViewer/api/Win32/GraphicsWindowWin32>
#elif defined(__GNUC__)
#include <osgViewer/api/X11/GraphicsWindowX11>
#elif defined( __APPLE__)
#include <osgViewer/api/Cocoa/GraphicsWindowCocoa>
#endif
.......................
.......................
bool Context::setupDeviceAndContext(osg::GraphicsContext &ctx)
{
.....................
.....................
//platform dependent casting for the OpenCL context creation
#ifdef defined(_WIN32)
osgViewer::GraphicsWindowWin32 *windowsWin = dynamic_cast<osgViewer::GraphicsWindowWin32*>(&ctx);
if(NULL == windowsWin)
{
osg::notify(osg::FATAL) << "Win32 Graphics Window Casting is unsuccessful" << std::endl;
return false;
}
windowsWin->realize();
#elif defined(__GNUC__)
osgViewer::GraphicsWindowX11 *linuxWin = dynamic_cast<osgViewer::GraphicsWindowX11*>(&ctx);
if(NULL == linuxWin)
{
osg::notify(osg::FATAL) << "X11 Graphics Window Casting is unsuccessful" << std::endl;
return false;
}
//realize the window
linuxWin->realize();
#elif defined(__APPLE__)
osgViewer::GraphicsWindowCocoa *osxWin = dynamic_cast<osgViewer::GraphicsWindowCocoa*>(&ctx);
if(NULL == osxContext)
{
osg::notify(osg::FATAL) << "Cocoa Graphics Window Casting is unsuccessful. " << std::endl;
return false;
}
osxWin->realize();
#endif
}
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cl_context_properties contextProperties[] =
{
#ifdef defined(_WIN32)
CL_CONTEXT_PLATFORM, (cl_context_properties) _m_clPlatform,
CL_GL_CONTEXT_KHR, (cl_context_properties) windowsWin->getWGLContext(),
CL_WGL_HDC_KHR, (cl_context_properties) windowsWin->getHDC(),
#elif defined(__GNUC__)
CL_CONTEXT_PLATFORM, (cl_context_properties) _m_clPlatform,
CL_GL_CONTEXT_KHR, (cl_context_properties) linuxWin->getContext(),
CL_GLX_DISPLAY_KHR, (cl_context_properties) linuxWin->getDisplay(),
#elif defined(__APPLE__)
CGLContextObj glContext = CGLGetCurrentContext(); // get the current GL context
CGLShareGroupObj shareGroup = CGLGetShareGroup(glContext); // share group
CL_CONTEXT_PROPERTY_USE_CGL_SHAREGROUP_APPLE,
(cl_context_properties) shareGroup,
#endif
0
};
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}
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