From 4512d815590ffd4d4cc12a2edf6f0aa964b783cd Mon Sep 17 00:00:00 2001
From: Nanley Chery <nanley.g.chery@intel.com>
Date: Fri, 16 Jan 2026 10:41:44 -0500
Subject: [PATCH] intel/blorp: Bump pitch when clearing unaligned bottom rows

This might be faster if the layer starts at a 64KB offset. No
performance benefits found in the performance CI.

Reviewed-by: Jianxun Zhang <jianxun.zhang@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37660>
---
 src/intel/blorp/blorp_clear.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/intel/blorp/blorp_clear.c b/src/intel/blorp/blorp_clear.c
index 0aba706db0a..146705e72d8 100644
--- a/src/intel/blorp/blorp_clear.c
+++ b/src/intel/blorp/blorp_clear.c
@@ -727,6 +727,7 @@ blorp_fast_clear(struct blorp_batch *batch,
          assert(isl_surf.logical_level0_px.h == 32);
          isl_surf.logical_level0_px.h = unaligned_bottom_rows;
          isl_surf.phys_level0_sa.h = unaligned_bottom_rows;
+         isl_surf.row_pitch_B = align(isl_surf.row_pitch_B, 16 * 128);
          fast_clear_surf(batch, &mem_surf, isl_surf.format, swizzle,
                          0, 0, isl_surf.logical_level0_px.a);
       }