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radv/bvh/encode: Move bvh_offset NULL check to the top of the loop

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NULL nodes don't have to be encoded and they also don't carry over any
information to their children.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20818>
This commit is contained in:
Konstantin Seurer
2023-01-19 21:56:25 +01:00
committed by Marge Bot
parent 4e87a01b93
commit 2c0e158ae2
1 changed files with 7 additions and 8 deletions
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7
src/amd/vulkan/bvh/encode.comp
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@@ -169,6 +169,9 @@ main()
if (bvh_offset == RADV_UNKNOWN_BVH_OFFSET)
continue;
if (bvh_offset == RADV_NULL_BVH_OFFSET)
break;
uint32_t found_child_count = 0;
uint32_t children[4] = {RADV_BVH_INVALID_NODE, RADV_BVH_INVALID_NODE,
RADV_BVH_INVALID_NODE, RADV_BVH_INVALID_NODE};
@@ -221,7 +224,6 @@ main()
children[collapsed_child_index] = children[found_child_count];
}
if (bvh_offset != RADV_NULL_BVH_OFFSET)
DEREF(child_node).bvh_offset = RADV_NULL_BVH_OFFSET;
} else
break;
@@ -237,10 +239,8 @@ main()
uint32_t child_index = offset_in_internal_nodes / SIZEOF(radv_ir_box_node);
dst_offset = dst_internal_offset + child_index * SIZEOF(radv_bvh_box32_node);
if (bvh_offset != RADV_NULL_BVH_OFFSET) {
REF(radv_ir_box_node) child_node = REF(radv_ir_box_node)OFFSET(args.intermediate_bvh, offset);
DEREF(child_node).bvh_offset = dst_offset;
}
} else {
uint32_t child_index = offset / intermediate_leaf_node_size;
dst_offset = dst_leaf_offset + child_index * output_leaf_node_size;
@@ -255,7 +255,6 @@ main()
uint32_t child_id = pack_node_id(dst_offset, ir_type_to_bvh_type(type));
children[i] = child_id;
if (bvh_offset != RADV_NULL_BVH_OFFSET)
set_parent(child_id, node_id);
}