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nak: do perspective divide for interp none as well

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24998>
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Dave Airlie 2023-08-14 13:16:59 +10:00 • committed by Marge Bot
parent ab80e1189f
commit 0e327167a2
1 changed files with 2 additions and 1 deletions
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3
src/nouveau/compiler/nak_nir.c
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@ -350,7 +350,8 @@ nak_nir_lower_fs_inputs(nir_shader *nir)
continue;
nir_intrinsic_instr *bary = nir_src_as_intrinsic(intrin->src[0]);
if (nir_intrinsic_interp_mode(bary) == INTERP_MODE_SMOOTH) {
if (nir_intrinsic_interp_mode(bary) == INTERP_MODE_SMOOTH ||
nir_intrinsic_interp_mode(bary) == INTERP_MODE_NONE) {
/* Perspective-correct interpolation requires that we divide by
* gl_FragCoord.w.
*/