WGL_NV_DX_interop
http://www.opengl.org/registry/specs/NV/DX_interop.txt
WGL_NV_DX_interop
	WGL_ACCESS_READ_ONLY_NV 0x0000
	WGL_ACCESS_READ_WRITE_NV 0x0001
	WGL_ACCESS_WRITE_DISCARD_NV 0x0002
	BOOL wglDXCloseDeviceNV (HANDLE hDevice)
	BOOL wglDXLockObjectsNV (HANDLE hDevice, GLint count, HANDLE* hObjects)
	BOOL wglDXObjectAccessNV (HANDLE hObject, GLenum access)
	HANDLE wglDXOpenDeviceNV (void* dxDevice)
	HANDLE wglDXRegisterObjectNV (HANDLE hDevice, void* dxObject, GLuint name, GLenum type, GLenum access)
	BOOL wglDXSetResourceShareHandleNV (void* dxObject, HANDLE shareHandle)
	BOOL wglDXUnlockObjectsNV (HANDLE hDevice, GLint count, HANDLE* hObjects)
	BOOL wglDXUnregisterObjectNV (HANDLE hDevice, HANDLE hObject)