From 9ba866d90e125668ca2737968c526b963b2870bc Mon Sep 17 00:00:00 2001
From: Simon Perretta <simon.perretta@imgtec.com>
Date: Sat, 5 Apr 2025 19:14:47 +0100
Subject: [PATCH] pco: suppress uses_sample_shading changes from
 nir_lower_blend

undoes "c66be7521f nir/lower_blend: Enable per-sample shading"

Signed-off-by: Simon Perretta <simon.perretta@imgtec.com>
Acked-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36412>
---
 src/imagination/pco/pco_nir.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/imagination/pco/pco_nir.c b/src/imagination/pco/pco_nir.c
index 7a4c8a0c03e..464cadc8d6c 100644
--- a/src/imagination/pco/pco_nir.c
+++ b/src/imagination/pco/pco_nir.c
@@ -716,7 +716,10 @@ void pco_lower_nir(pco_ctx *ctx, nir_shader *nir, pco_data *data)
    NIR_PASS(_, nir, pco_nir_lower_tex);
 
    if (nir->info.stage == MESA_SHADER_FRAGMENT) {
+      bool backup = nir->info.fs.uses_sample_shading;
       NIR_PASS(_, nir, nir_lower_blend, &data->fs.blend_opts);
+      nir->info.fs.uses_sample_shading = backup;
+
       NIR_PASS(_, nir, pco_nir_pfo, &data->fs);
    } else if (nir->info.stage == MESA_SHADER_VERTEX) {
       NIR_PASS(_,