From a224105a26dfca52dfe828cb19db274f6405ec9d Mon Sep 17 00:00:00 2001
From: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Date: Thu, 2 Jan 2025 15:33:06 +0200
Subject: [PATCH] vulkan/runtime: avoid emitting empty build_leaves

Seen in GravityMark.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Sagar Ghuge <sagar.ghuge@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32835>
---
 src/vulkan/runtime/vk_acceleration_structure.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/vulkan/runtime/vk_acceleration_structure.c b/src/vulkan/runtime/vk_acceleration_structure.c
index df9ed851ad7..0ea4ea7bf8c 100644
--- a/src/vulkan/runtime/vk_acceleration_structure.c
+++ b/src/vulkan/runtime/vk_acceleration_structure.c
@@ -546,6 +546,9 @@ build_leaves(VkCommandBuffer commandBuffer,
 
          const VkAccelerationStructureBuildRangeInfoKHR *build_range_info = &ppBuildRangeInfos[i][j];
 
+         if (build_range_info->primitiveCount == 0)
+            continue;
+
          leaf_consts.geom_data = vk_fill_geometry_data(pInfos[i].type, bvh_states[i].leaf_node_count, j, geom, build_range_info);
 
          disp->CmdPushConstants(commandBuffer, layout,