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| author | Mike Blumenkrantz <michael.blumenkrantz@gmail.com> | 2021-04-20 12:17:40 -0400 |
|---|---|---|
| committer | Marge Bot <eric+marge@anholt.net> | 2021-04-20 19:18:55 +0000 |
| commit | 2417cd3e0e5ae7125860718f43b2dee17e36dab4 (patch) | |
| tree | 95ba64f86a2a38a8f50f514e7c55621d5f79b280 | |
| parent | 7f8c5844effddddf65770706e1200867f4d53546 (diff) | |
util/format: add util_format_is_rgbx_or_bgrx
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10351>
| -rw-r--r-- | src/util/format/u_format.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/util/format/u_format.h b/src/util/format/u_format.h index f7b29b407a4..804dd3486a0 100644 --- a/src/util/format/u_format.h +++ b/src/util/format/u_format.h @@ -802,6 +802,19 @@ util_format_is_rgba8_variant(const struct util_format_description *desc) return TRUE; } + +static inline bool +util_format_is_rgbx_or_bgrx(enum pipe_format format) +{ + const struct util_format_description *desc = util_format_description(format); + return desc->layout == UTIL_FORMAT_LAYOUT_PLAIN && + desc->nr_channels == 4 && + (desc->swizzle[0] == PIPE_SWIZZLE_X || desc->swizzle[0] == PIPE_SWIZZLE_Z) && + desc->swizzle[1] == PIPE_SWIZZLE_Y && + (desc->swizzle[2] == PIPE_SWIZZLE_Z || desc->swizzle[2] == PIPE_SWIZZLE_X) && + desc->swizzle[3] == PIPE_SWIZZLE_1; +} + /** * Return total bits needed for the pixel format per block. */ |