From cdcfcb791611b290cdbaa67641dcaf122dbaa614 Mon Sep 17 00:00:00 2001
From: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Date: Mon, 14 Mar 2022 15:45:17 -0400
Subject: [PATCH] nir/lower_is_helper_invocation: create load_helper_invocation
 instr with bitsize=1

the specification stipulates that this is a bool value, so don't load it as an int
or else nir_validate explodes

Fixes: f17b41ab4f0 ("nir: add lowering pass for helperInvocationEXT()")

Reviewed-by: Danylo Piliaiev <dpiliaiev@igalia.com>

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15402>
---
 src/compiler/nir/nir_lower_is_helper_invocation.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/nir/nir_lower_is_helper_invocation.c b/src/compiler/nir/nir_lower_is_helper_invocation.c
index 38263d5c2ec..b2dfb84f65a 100644
--- a/src/compiler/nir/nir_lower_is_helper_invocation.c
+++ b/src/compiler/nir/nir_lower_is_helper_invocation.c
@@ -114,7 +114,7 @@ nir_lower_is_helper_invocation(nir_shader *shader)
                                           glsl_bool_type(),
                                           "gl_IsHelperInvocationEXT");
 
-   nir_ssa_def *started_as_helper = nir_load_helper_invocation(&b, 32);
+   nir_ssa_def *started_as_helper = nir_load_helper_invocation(&b, 1);
 
    nir_deref_instr *is_helper_deref = nir_build_deref_var(&b, is_helper);
    nir_store_deref(&b, is_helper_deref, started_as_helper, 1);