gf100_gr_zbc_depth_get
gf100_gr_zbc_depth_get(gr, 1, 0x00000000, 0x00000000); d++;
gf100_gr_zbc_depth_get(gr, 1, 0x3f800000, 0x3f800000); d++;
ret = gf100_gr_zbc_depth_get(gr, args->v0.format,