GL_NV_vdpau_interop
http://www.opengl.org/registry/specs/NV/vdpau_interop.txt
GL_NV_vdpau_interop
	GL_SURFACE_STATE_NV 0x86EB
	GL_SURFACE_REGISTERED_NV 0x86FD
	GL_SURFACE_MAPPED_NV 0x8700
	GL_WRITE_DISCARD_NV 0x88BE
	void glVDPAUFiniNV (void)
	void glVDPAUGetSurfaceivNV (GLvdpauSurfaceNV surface, GLenum pname, GLsizei bufSize, GLsizei* length, GLint *values)
	void glVDPAUInitNV (const void* vdpDevice, const GLvoid*getProcAddress)
	void glVDPAUIsSurfaceNV (GLvdpauSurfaceNV surface)
	void glVDPAUMapSurfacesNV (GLsizei numSurfaces, const GLvdpauSurfaceNV* surfaces)
	GLvdpauSurfaceNV glVDPAURegisterOutputSurfaceNV (const void* vdpSurface, GLenum target, GLsizei numTextureNames, const GLuint *textureNames)
	GLvdpauSurfaceNV glVDPAURegisterVideoSurfaceNV (const void* vdpSurface, GLenum target, GLsizei numTextureNames, const GLuint *textureNames)
	void glVDPAUSurfaceAccessNV (GLvdpauSurfaceNV surface, GLenum access)
	void glVDPAUUnmapSurfacesNV (GLsizei numSurface, const GLvdpauSurfaceNV* surfaces)
	void glVDPAUUnregisterSurfaceNV (GLvdpauSurfaceNV surface)
	typedef GLintptr GLvdpauSurfaceNV