GL_OML_resample
http://www.opengl.org/registry/specs/OML/resample.txt
GL_OML_resample
GL_PACK_RESAMPLE_OML 0x8984
GL_UNPACK_RESAMPLE_OML 0x8985
GL_RESAMPLE_REPLICATE_OML 0x8986
GL_RESAMPLE_ZERO_FILL_OML 0x8987
GL_RESAMPLE_AVERAGE_OML 0x8988
GL_RESAMPLE_DECIMATE_OML 0x8989