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radv: Use the entire morton code as sort key

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Fixes: be57b08 <"radv: Build accaleration structures using LBVH">
Signed-off-by: Konstantin Seurer <konstantin.seurer@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16264>
This commit is contained in:
Konstantin Seurer 2022-04-30 23:53:43 +02:00 • committed by Marge Bot
parent 6ba55b4033
commit 53fe6f1084
1 changed files with 2 additions and 1 deletions
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3
src/amd/vulkan/radv_acceleration_structure.c
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@ -1489,10 +1489,11 @@ build_morton_shader(struct radv_device *dev)
nir_ssa_def *morton_code = nir_iadd(
&b, nir_iadd(&b, nir_ishl_imm(&b, x_morton, 2), nir_ishl_imm(&b, y_morton, 1)), z_morton);
nir_ssa_def *key = nir_ishl_imm(&b, morton_code, 8);
nir_ssa_def *dst_addr = nir_iadd(
&b, scratch_addr, nir_u2u64(&b, id_to_morton_offset(&b, global_id, dev->physical_device)));
nir_build_store_global(&b, morton_code, dst_addr, .align_mul = 4);
nir_build_store_global(&b, key, dst_addr, .align_mul = 4);
return b.shader;
}