Merge branch 'workaround/initcheck_bvh' into 'main'

Add initialization to workaround threadfence issues in compute-sanitizer initcheck See merge request omniverse/warp!737
NVIDIA · Sep 19, 2024 · 2fce3a7 · 2fce3a7
2 parents aef5f0c + 20c5687
commit 2fce3a7
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/warp/native/bvh.cu b/warp/native/bvh.cu
@@ -463,7 +463,9 @@ void bvh_create_device(void* context, vec3* lowers, vec3* uppers, int num_items,
     bvh_host.num_items = num_items;
     bvh_host.max_nodes = 2*num_items;
     bvh_host.node_lowers = (BVHPackedNodeHalf*)alloc_device(WP_CURRENT_CONTEXT, sizeof(BVHPackedNodeHalf)*bvh_host.max_nodes);
+    memset_device(WP_CURRENT_CONTEXT, bvh_host.node_lowers, 0, sizeof(BVHPackedNodeHalf)*bvh_host.max_nodes);
     bvh_host.node_uppers = (BVHPackedNodeHalf*)alloc_device(WP_CURRENT_CONTEXT, sizeof(BVHPackedNodeHalf)*bvh_host.max_nodes);
+    memset_device(WP_CURRENT_CONTEXT, bvh_host.node_uppers, 0, sizeof(BVHPackedNodeHalf)*bvh_host.max_nodes);
     bvh_host.node_parents = (int*)alloc_device(WP_CURRENT_CONTEXT, sizeof(int)*bvh_host.max_nodes);
     bvh_host.node_counts = (int*)alloc_device(WP_CURRENT_CONTEXT, sizeof(int)*bvh_host.max_nodes);
     bvh_host.root = (int*)alloc_device(WP_CURRENT_CONTEXT, sizeof(int));