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radv/bvh: Avoid a slow case when compressing triangles

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Reviewed-by: Natalie Vock <natalie.vock@gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38462>
This commit is contained in:
Konstantin Seurer 2025-11-29 16:43:31 +01:00 • committed by Marge Bot
parent 2749b5b713
commit c14eb415a2
1 changed files with 4 additions and 1 deletions
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5
src/amd/vulkan/bvh/encode_triangles_gfx12.comp
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@ -225,7 +225,10 @@ main()
uint32_t geometry_id_payload_bit_size;
uint32_t trailing_zero_bits;
uvec3 vertex_payload_bit_size;
for (uint32_t i = 0; i <= first_assigned_invocation; i++) {
bool has_assigned = first_assigned_invocation != 0xffffffff;
uint32_t size_loop_start = has_assigned ? 0 : cluster.invocation_index;
uint32_t size_loop_end = has_assigned ? first_assigned_invocation : cluster.invocation_index;
for (uint32_t i = size_loop_start; i <= size_loop_end; i++) {
uvec3 vertex_prefix = radv_read_invocation(cluster, i, floatBitsToUint(vertices[0]));
uvec3 vertex_payload_mask = uvec3(0);
uint32_t vertex_non_zero_mask = 0;