Mesa (main): radv: Fix ray queries with !15854

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Module: Mesa
Branch: main
Commit: b761b514513e8648b15520fd5f6b68b58a41300d
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b761b514513e8648b15520fd5f6b68b58a41300d

Author: Konstantin Seurer <konstantin.seurer at gmail.com>
Date:   Mon Apr 18 10:42:14 2022 +0200

radv: Fix ray queries with !15854

Fixes: b62e90a ("radv: use nir_op_imm helpers")
Signed-off-by: Konstantin Seurer <konstantin.seurer at gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16004>

---

 src/amd/vulkan/radv_nir_lower_ray_queries.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/amd/vulkan/radv_nir_lower_ray_queries.c b/src/amd/vulkan/radv_nir_lower_ray_queries.c
index 574ea78ba9e..37a214eb784 100644
--- a/src/amd/vulkan/radv_nir_lower_ray_queries.c
+++ b/src/amd/vulkan/radv_nir_lower_ray_queries.c
@@ -691,7 +691,7 @@ lower_rq_proceed(nir_builder *b, nir_ssa_def *index, struct ray_query_vars *vars
          nir_pop_if(b, NULL);
 
          rq_store_var(b, index, vars->trav.stack,
-                      nir_iadd_imm(b, rq_load_var(b, index, vars->trav.stack), 1), 1);
+                      nir_iadd_imm(b, rq_load_var(b, index, vars->trav.stack), -1), 1);
 
          nir_ssa_def *bvh_node =
             rq_load_array(b, index, vars->stack, rq_load_var(b, index, vars->trav.stack));