Module: Mesa Branch: main Commit: f9a394b753b55ccfc869568413b6fc6795dc1636 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=f9a394b753b55ccfc869568413b6fc6795dc1636
Author: Friedrich Vock <friedrich.v...@gmx.de> Date: Fri Dec 15 17:40:35 2023 +0100 radv/rt: Initialize unused children in PLOC early-exit Bad things happen when these aren't initialized. Fixes GPU hangs when loading Avatar: Frontiers of Pandora savegames. Cc: mesa-stable Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26712> --- src/amd/vulkan/bvh/ploc_internal.comp | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/amd/vulkan/bvh/ploc_internal.comp b/src/amd/vulkan/bvh/ploc_internal.comp index 267a914d89b..c7c8b5d394e 100644 --- a/src/amd/vulkan/bvh/ploc_internal.comp +++ b/src/amd/vulkan/bvh/ploc_internal.comp @@ -249,7 +249,8 @@ main(void) total_bounds.min = vec3(INFINITY); total_bounds.max = vec3(-INFINITY); - for (uint32_t i = 0; i < DEREF(args.header).active_leaf_count; i++) { + uint32_t i = 0; + for (; i < DEREF(args.header).active_leaf_count; i++) { uint32_t child_id = DEREF(INDEX(key_id_pair, src_ids, i)).id; if (child_id != RADV_BVH_INVALID_NODE) { @@ -263,6 +264,8 @@ main(void) DEREF(dst_node).children[i] = child_id; } + for (; i < 2; i++) + DEREF(dst_node).children[i] = RADV_BVH_INVALID_NODE; DEREF(dst_node).base.aabb = total_bounds; DEREF(dst_node).bvh_offset = RADV_UNKNOWN_BVH_OFFSET;
