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nir/lower_clip_disable: Fix store writemask

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We're storing into the array element, not the whole variable.

Fixes: fb2fe80 ("nir: add lowering pass for clip plane enabling")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7274>
This commit is contained in:
Connor Abbott 2021-04-22 11:58:35 +02:00 • committed by Marge Bot
parent decfea2f4e
commit 77fcb01f7f
1 changed files with 2 additions and 1 deletions
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3
src/compiler/nir/nir_lower_clip_disable.c
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@ -101,7 +101,8 @@ lower_clip_plane_store(nir_intrinsic_instr *instr, unsigned clip_plane_enable, n
if (clip_plane_enable & (1 << plane))
return false;
nir_store_deref(b, deref, nir_imm_int(b, 0), 1 << plane);
assert(nir_intrinsic_write_mask(instr) == 1);
nir_store_deref(b, deref, nir_imm_int(b, 0), 1);
} else {
/* storing using a variable index */
nir_ssa_def *index = nir_ssa_for_src(b, deref->arr.index, 1);