GL_VERSION_4_2
https://www.opengl.org/registry/doc/glspec42.compatibility.20120427.pdf


	GL_COPY_READ_BUFFER_BINDING 0x8F36
	GL_COPY_WRITE_BUFFER_BINDING 0x8F37
	GL_TRANSFORM_FEEDBACK_ACTIVE 0x8E24
	GL_TRANSFORM_FEEDBACK_PAUSED 0x8E23
	GL_COMPRESSED_RGBA_BPTC_UNORM 0x8E8C
	GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM 0x8E8D
	GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT 0x8E8E
	GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT 0x8E8F