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i965: Ignore anisotropic filtering in nearest mode.

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This fixes both Europa Universalis IV and Stellaris rendering on i965.
This was tested on SKL.

This fix was discovered by Jakub Szuppe at Stream HPC
(https://streamhpc.com/).

bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96958
bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=95530
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Tested-by: Dylan Baker <dylan@pnwbakers.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Cc: 17.1 <mesa-stable@lists.freedesktop.org>
This commit is contained in:
Kenneth Graunke 2016-05-01 19:09:14 -07:00 • committed by Dylan Baker
parent b70d6a2de1
commit 6a7c5257ca
1 changed files with 4 additions and 2 deletions
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6
src/mesa/drivers/dri/i965/brw_sampler_state.c
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@ -450,8 +450,10 @@ brw_update_sampler_state(struct brw_context *brw,
/* Enable anisotropic filtering if desired. */
unsigned max_anisotropy = BRW_ANISORATIO_2;
if (sampler->MaxAnisotropy > 1.0f) {
min_filter = BRW_MAPFILTER_ANISOTROPIC;
mag_filter = BRW_MAPFILTER_ANISOTROPIC;
if (min_filter == BRW_MAPFILTER_LINEAR)
min_filter = BRW_MAPFILTER_ANISOTROPIC;
if (mag_filter == BRW_MAPFILTER_LINEAR)
mag_filter = BRW_MAPFILTER_ANISOTROPIC;
if (sampler->MaxAnisotropy > 2.0f) {
max_anisotropy =