diff options
| -rw-r--r-- | src/intel/isl/isl.c | 20 | ||||
| -rw-r--r-- | src/intel/isl/isl.h | 3 |
2 files changed, 23 insertions, 0 deletions
diff --git a/src/intel/isl/isl.c b/src/intel/isl/isl.c index 4dce0596d23..1a32c028183 100644 --- a/src/intel/isl/isl.c +++ b/src/intel/isl/isl.c @@ -269,6 +269,26 @@ isl_tiling_get_info(enum isl_tiling tiling, } bool +isl_color_value_is_zero(union isl_color_value value, + enum isl_format format) +{ + const struct isl_format_layout *fmtl = isl_format_get_layout(format); + +#define RETURN_FALSE_IF_NOT_0(c, i) \ + if (fmtl->channels.c.bits && value.u32[i] != 0) \ + return false + + RETURN_FALSE_IF_NOT_0(r, 0); + RETURN_FALSE_IF_NOT_0(g, 1); + RETURN_FALSE_IF_NOT_0(b, 2); + RETURN_FALSE_IF_NOT_0(a, 3); + +#undef RETURN_FALSE_IF_NOT_0 + + return true; +} + +bool isl_color_value_is_zero_one(union isl_color_value value, enum isl_format format) { diff --git a/src/intel/isl/isl.h b/src/intel/isl/isl.h index fda24115101..209769a9a99 100644 --- a/src/intel/isl/isl.h +++ b/src/intel/isl/isl.h @@ -1692,6 +1692,9 @@ isl_extent4d(uint32_t width, uint32_t height, uint32_t depth, return e; } +bool isl_color_value_is_zero(union isl_color_value value, + enum isl_format format); + bool isl_color_value_is_zero_one(union isl_color_value value, enum isl_format format); |