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st/nine: Implement special DOTPRODUCT3 behaviour

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Taken from wine tests

Signed-off-by: Axel Davy <axel.davy@ens.fr>
This commit is contained in:
Axel Davy 2015-05-17 00:22:33 +02:00
parent 791b794a84
commit 6379a28aa7
1 changed files with 4 additions and 0 deletions
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4
src/gallium/state_trackers/nine/nine_ff.c
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@ -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]);