From c33e598f39f34e6f63c1eae28feed60caad1a1d7 Mon Sep 17 00:00:00 2001
From: Konstantin Seurer <konstantin.seurer@gmail.com>
Date: Thu, 20 Mar 2025 12:19:39 +0100
Subject: [PATCH] vulkan: Add vk_ir_header::dst_leaf_node_offset

Reviewed-by: Natalie Vock <natalie.vock@gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34273>
---
 src/vulkan/runtime/bvh/vk_bvh.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/vulkan/runtime/bvh/vk_bvh.h b/src/vulkan/runtime/bvh/vk_bvh.h
index f393fa443d4..4052a7b8578 100644
--- a/src/vulkan/runtime/bvh/vk_bvh.h
+++ b/src/vulkan/runtime/bvh/vk_bvh.h
@@ -94,7 +94,14 @@ struct vk_ir_header {
    uint32_t dispatch_size_y;
    uint32_t dispatch_size_z;
    vk_global_sync_data sync_data;
+   /* Generic offset used by the driver during encoding
+    * to write HW nodes in a compact way.
+    */
    uint32_t dst_node_offset;
+   /* Same as dst_node_offset but only useful if the driver
+    * uses a separate memory section for leaf nodes.
+    */
+   uint32_t dst_leaf_node_offset;
 };
 
 struct vk_ir_node {