Sampler3D        1829 testbed/testcms2.c     Sampler3D(In, Out2, NULL);
Sampler3D        1970 testbed/testcms2.c     cmsStageSampleCLut16bit(mpe, Sampler3D, NULL, 0);
Sampler3D        1999 testbed/testcms2.c     cmsStageSampleCLut16bit(mpe, Sampler3D, NULL, 0);