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Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_format.c')
-rw-r--r--mesalib/src/gallium/auxiliary/util/u_format.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_format.c b/mesalib/src/gallium/auxiliary/util/u_format.c
index f572a612e..ddce95601 100644
--- a/mesalib/src/gallium/auxiliary/util/u_format.c
+++ b/mesalib/src/gallium/auxiliary/util/u_format.c
@@ -147,9 +147,12 @@ util_format_is_array(const struct util_format_description *desc)
}
for (chan = 0; chan < desc->nr_channels; ++chan) {
- if (desc->swizzle[chan] != chan)
+ if (desc->channel[chan].size != desc->channel[0].size)
return FALSE;
+ if (desc->channel[chan].type == UTIL_FORMAT_TYPE_VOID && (chan + 1) == desc->nr_channels)
+ continue;
+
if (desc->channel[chan].type != desc->channel[0].type)
return FALSE;
@@ -158,9 +161,16 @@ util_format_is_array(const struct util_format_description *desc)
if (desc->channel[chan].pure_integer != desc->channel[0].pure_integer)
return FALSE;
+ }
- if (desc->channel[chan].size != desc->channel[0].size)
+ if (desc->nr_channels == 4) {
+ if (desc->swizzle[3] < 3)
return FALSE;
+ } else {
+ for (chan = 0; chan < desc->nr_channels; ++chan) {
+ if (desc->swizzle[chan] != chan)
+ return FALSE;
+ }
}
return TRUE;