Fix aliasing of colorarg_b4 with
colorarg_b5.
Fixes: https://github.com/iXit/Mesa-3D/issues/302
Signed-off-by: Axel Davy <davyax...@gmail.com>
---
src/gallium/state_trackers/nine/nine_ff.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/gallium/state_trackers/nine/nine_ff.c
b/src/gallium/state_trackers/nine/nine_ff.c
index 2cb5f080be8..453f280c9fc 100644
--- a/src/gallium/state_trackers/nine/nine_ff.c
+++ b/src/gallium/state_trackers/nine/nine_ff.c
@@ -1463,9 +1463,9 @@ nine_ff_build_ps(struct NineDevice9 *device, struct
nine_ff_ps_key *key)
ureg_MUL(ureg, ps.rMod, ps.rCurSrc, ps.rTexSrc);
}
- colorarg[0] = (key->ts[s].colorarg0 | ((key->colorarg_b4[0] >> s) <<
4) | ((key->colorarg_b5[0] >> s) << 5)) & 0x3f;
- colorarg[1] = (key->ts[s].colorarg1 | ((key->colorarg_b4[1] >> s) <<
4) | ((key->colorarg_b5[1] >> s) << 5)) & 0x3f;
- colorarg[2] = (key->ts[s].colorarg2 | ((key->colorarg_b4[2] >> s) <<
4) | ((key->colorarg_b5[2] >> s) << 5)) & 0x3f;
+ colorarg[0] = (key->ts[s].colorarg0 | (((key->colorarg_b4[0] >> s) &
0x1) << 4) | ((key->colorarg_b5[0] >> s) << 5)) & 0x3f;
+ colorarg[1] = (key->ts[s].colorarg1 | (((key->colorarg_b4[1] >> s) &
0x1) << 4) | ((key->colorarg_b5[1] >> s) << 5)) & 0x3f;
+ colorarg[2] = (key->ts[s].colorarg2 | (((key->colorarg_b4[2] >> s) &
0x1) << 4) | ((key->colorarg_b5[2] >> s) << 5)) & 0x3f;
alphaarg[0] = (key->ts[s].alphaarg0 | ((key->alphaarg_b4[0] >> s) <<
4)) & 0x1f;
alphaarg[1] = (key->ts[s].alphaarg1 | ((key->alphaarg_b4[1] >> s) <<
4)) & 0x1f;
alphaarg[2] = (key->ts[s].alphaarg2 | ((key->alphaarg_b4[2] >> s) <<
4)) & 0x1f;
--
2.18.0
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