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i965: Ignore 'centroid' interpolation qualifier in case of persample shading

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I missed this change in commit f5cfb4a. It fixes the incorrect
rendering caused in Dolphin Emulator.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=73915

Cc: mesa-stable@lists.freedesktop.org
Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com>
Tested-by: Markus Wick <wickmarkus@web.de>
Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Anuj Phogat 2014-01-22 15:41:58 -08:00
parent 10dc994e09
commit dc2f94bc78
1 changed files with 2 additions and 1 deletions
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3
src/mesa/drivers/dri/i965/brw_wm.c
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@ -62,7 +62,8 @@ brw_compute_barycentric_interp_modes(struct brw_context *brw,
for (attr = 0; attr < VARYING_SLOT_MAX; ++attr) {
enum glsl_interp_qualifier interp_qualifier =
fprog->InterpQualifier[attr];
bool is_centroid = fprog->IsCentroid & BITFIELD64_BIT(attr);
bool is_centroid = (fprog->IsCentroid & BITFIELD64_BIT(attr)) &&
!persample_shading;
bool is_sample = (fprog->IsSample & BITFIELD64_BIT(attr)) ||
persample_shading;
bool is_gl_Color = attr == VARYING_SLOT_COL0 || attr == VARYING_SLOT_COL1;