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

	GL_R11F_G11F_B10F_NV 0x8C3A
	GL_UNSIGNED_INT_10F_11F_11F_REV_NV 0x8C3B