From 04fe65e2bb3242f5a2998ac2ee33c5692b77250e Mon Sep 17 00:00:00 2001
From: Sagar Ghuge <sagar.ghuge@intel.com>
Date: Thu, 21 May 2026 14:42:47 -0700
Subject: [PATCH] brw/rt: Use BLAS(Object) level to get the ray address

Intersection shader works on custom procedural geometries which are
present only in BLAS (Object) level not in the TLAS (World) level.

Signed-off-by: Sagar Ghuge <sagar.ghuge@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41739>
---
 src/intel/compiler/brw/brw_nir_lower_intersection_shader.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/intel/compiler/brw/brw_nir_lower_intersection_shader.c b/src/intel/compiler/brw/brw_nir_lower_intersection_shader.c
index f580fbebf5f..383c7009286 100644
--- a/src/intel/compiler/brw/brw_nir_lower_intersection_shader.c
+++ b/src/intel/compiler/brw/brw_nir_lower_intersection_shader.c
@@ -220,7 +220,7 @@ brw_nir_lower_intersection_shader(nir_shader *intersection,
                      nir_store_var(b, commit, nir_imm_true(b), 0x1);
 
                      nir_def *ray_addr =
-                        brw_nir_rt_mem_ray_addr(b, brw_nir_rt_stack_addr(b), BRW_RT_BVH_LEVEL_WORLD);
+                        brw_nir_rt_mem_ray_addr(b, brw_nir_rt_stack_addr(b), BRW_RT_BVH_LEVEL_OBJECT);
 
                      nir_store_global(b, hit_t, nir_iadd_imm(b, ray_addr, 16 + 12));
                      if (devinfo->ver >= 30) {