Module: Mesa Branch: master Commit: 532f8c0043142a32e1954950870bf8b84d288633 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=532f8c0043142a32e1954950870bf8b84d288633
Author: Rob Clark <robdcl...@gmail.com> Date: Tue Dec 11 11:13:49 2018 -0500 gallium/aux: add is_unorm() helper We already had one for is_snorm() but not unorm. Signed-off-by: Rob Clark <robdcl...@gmail.com> --- src/gallium/auxiliary/util/u_format.c | 21 +++++++++++++++++++++ src/gallium/auxiliary/util/u_format.h | 3 +++ 2 files changed, 24 insertions(+) diff --git a/src/gallium/auxiliary/util/u_format.c b/src/gallium/auxiliary/util/u_format.c index e43a619313..231e89017b 100644 --- a/src/gallium/auxiliary/util/u_format.c +++ b/src/gallium/auxiliary/util/u_format.c @@ -169,6 +169,27 @@ util_format_is_snorm(enum pipe_format format) desc->channel[i].normalized; } +/** + * Returns true if all non-void channels are normalized unsigned. + */ +boolean +util_format_is_unorm(enum pipe_format format) +{ + const struct util_format_description *desc = util_format_description(format); + int i; + + if (desc->is_mixed) + return FALSE; + + i = util_format_get_first_non_void_channel(format); + if (i == -1) + return FALSE; + + return desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED && + !desc->channel[i].pure_integer && + desc->channel[i].normalized; +} + boolean util_format_is_snorm8(enum pipe_format format) { diff --git a/src/gallium/auxiliary/util/u_format.h b/src/gallium/auxiliary/util/u_format.h index 5bcfc1f115..8dcc438a4a 100644 --- a/src/gallium/auxiliary/util/u_format.h +++ b/src/gallium/auxiliary/util/u_format.h @@ -727,6 +727,9 @@ boolean util_format_is_snorm(enum pipe_format format); boolean +util_format_is_unorm(enum pipe_format format); + +boolean util_format_is_snorm8(enum pipe_format format); /** _______________________________________________ mesa-commit mailing list mesa-commit@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-commit