diff options
author | Axel Davy <[email protected]> | 2018-09-15 14:00:09 +0200 |
---|---|---|
committer | Axel Davy <[email protected]> | 2018-09-25 22:05:24 +0200 |
commit | e7e82bcdc9b0f727490d72a920c47be80741bce5 (patch) | |
tree | 9ca290ac4c7cee8aa7b91cefd6ef199dd8aa8f3b /src/gallium | |
parent | 9fc6aa1bbeb4a60212d0983dfb3d47925da78c87 (diff) |
st/nine: Fix aliased read in ff
Fix aliasing of colorarg_b4 with
colorarg_b5.
Fixes: https://github.com/iXit/Mesa-3D/issues/302
Signed-off-by: Axel Davy <[email protected]>
Diffstat (limited to 'src/gallium')
-rw-r--r-- | src/gallium/state_trackers/nine/nine_ff.c | 6 |
1 files 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; |