Taken from wine tests
Signed-off-by: Axel Davy <[email protected]>
---
src/gallium/state_trackers/nine/nine_ff.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/gallium/state_trackers/nine/nine_ff.c
b/src/gallium/state_trackers/nine/nine_ff.c
index 6740274..59ea2cb 100644
--- a/src/gallium/state_trackers/nine/nine_ff.c
+++ b/src/gallium/state_trackers/nine/nine_ff.c
@@ -1366,6 +1366,10 @@ nine_ff_build_ps(struct NineDevice9 *device, struct
nine_ff_ps_key *key)
colorarg[2] != alphaarg[2])
dst.WriteMask = TGSI_WRITEMASK_XYZ;
+ /* Special DOTPRODUCT behaviour (see wine tests) */
+ if (key->ts[s].colorop == D3DTOP_DOTPRODUCT3)
+ dst.WriteMask = TGSI_WRITEMASK_XYZW;
+
if (used_c & 0x1) arg[0] = ps_get_ts_arg(&ps, colorarg[0]);
if (used_c & 0x2) arg[1] = ps_get_ts_arg(&ps, colorarg[1]);
if (used_c & 0x4) arg[2] = ps_get_ts_arg(&ps, colorarg[2]);
--
2.1.0
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