diff options
Diffstat (limited to 'src/mesa')
-rw-r--r-- | src/mesa/state_tracker/st_atom_texture.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_atom_texture.c b/src/mesa/state_tracker/st_atom_texture.c index a6135333b3e..19df6622ef1 100644 --- a/src/mesa/state_tracker/st_atom_texture.c +++ b/src/mesa/state_tracker/st_atom_texture.c @@ -59,6 +59,11 @@ swizzle_swizzle(unsigned swizzle1, unsigned swizzle2) { unsigned i, swz[4]; + if (swizzle1 == SWIZZLE_XYZW) { + /* identity swizzle, no change to swizzle2 */ + return swizzle2; + } + for (i = 0; i < 4; i++) { unsigned s = GET_SWZ(swizzle1, i); switch (s) { |