1.
http://developer.download.nvidia.com/opengl/specs/WGL_NV_DX_interop.txt
http://www.opengl.org/registry/specs/NV/DX_interop2.txt2.
http://msdn.microsoft.com/en-us/library/ee913554.aspx
3.
http://developer.amd.com/afds/assets/presentations/2114_final.pdf