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tgsi_to_nir: Translate TGSI_INTERPOLATE_COLOR as INTERP_MODE_NONE

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Translating TGSI_INTERPOLATE_COLOR as INTERP_MODE_SMOOTH made
it for drivers impossible to have flatshaded color inputs.

Translate it to INTERP_MODE_NONE which drivers interpret as
smooth or flat depending on flatshading state.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111467

Fixes: 770faf54 ("tgsi_to_nir: Improve interpolation modes.")

Signed-off-by: Danylo Piliaiev <danylo.piliaiev@globallogic.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
(cherry picked from commit 175c32e9bd)
This commit is contained in:
Danylo Piliaiev 2019-09-04 16:43:17 +03:00 • committed by Juan A. Suarez Romero
parent 9556c5b1a2
commit 30689e7da8
1 changed files with 1 additions and 1 deletions
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2
src/gallium/auxiliary/nir/tgsi_to_nir.c
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@ -191,7 +191,7 @@ ttn_translate_interp_mode(unsigned tgsi_interp)
case TGSI_INTERPOLATE_PERSPECTIVE:
return INTERP_MODE_SMOOTH;
case TGSI_INTERPOLATE_COLOR:
return INTERP_MODE_SMOOTH;
return INTERP_MODE_NONE;
default:
unreachable("bad TGSI interpolation mode");
}