WGL_EXT_colorspace
https://www.khronos.org/registry/OpenGL/extensions/EXT/WGL_EXT_colorspace.txt
WGL_EXT_colorspace

	WGL_COLORSPACE_SRGB_EXT 0x3089
	WGL_COLORSPACE_LINEAR_EXT 0x308A
	WGL_COLORSPACE_EXT 0x309D