GMC_DST_CLR_CMP_FCN_CLEAR  346 include/video/aty128.h #define GMC_DST_CLR_CMP_FCN_CLEAR		0x10000000
GMC_DST_CLR_CMP_FCN_CLEAR  883 include/video/radeon.h #define GMC_DST_CLR_CMP_FCN_CLEAR                  0x10000000