WGL_NV_render_depth_texture
https://www.khronos.org/registry/OpenGL/extensions/NV/WGL_NV_render_depth_texture.txt
WGL_NV_render_depth_texture

	WGL_BIND_TO_TEXTURE_DEPTH_NV 0x20A3
	WGL_BIND_TO_TEXTURE_RECTANGLE_DEPTH_NV 0x20A4
	WGL_DEPTH_TEXTURE_FORMAT_NV 0x20A5
	WGL_TEXTURE_DEPTH_COMPONENT_NV 0x20A6
	WGL_DEPTH_COMPONENT_NV 0x20A7