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https://github.com/encounter/dawn-cmake.git
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75db82c96b
Zero the workgroup memory for all backends. We can probably disable this for the backends that support workgroup zeroing, but that's an optimization we can perform later. Fixed: tint:280 Change-Id: I9cad919ba3a15b8cedfe6939317d1f6b95425453 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/55244 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: David Neto <dneto@google.com> Reviewed-by: James Price <jrprice@google.com>
26 lines
745 B
HLSL
26 lines
745 B
HLSL
groupshared uint arg_0;
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void atomicCompareExchangeWeak_b2ab2c() {
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uint2 atomic_result = uint2(0u, 0u);
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uint atomic_compare_value = 1u;
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InterlockedCompareExchange(arg_0, atomic_compare_value, 1u, atomic_result.x);
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atomic_result.y = atomic_result.x == atomic_compare_value;
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uint2 res = atomic_result;
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}
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struct tint_symbol_1 {
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uint local_invocation_index : SV_GroupIndex;
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};
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[numthreads(1, 1, 1)]
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void compute_main(tint_symbol_1 tint_symbol) {
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const uint local_invocation_index = tint_symbol.local_invocation_index;
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if ((local_invocation_index == 0u)) {
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uint atomic_result_1 = 0u;
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InterlockedExchange(arg_0, 0u, atomic_result_1);
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}
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GroupMemoryBarrierWithGroupSync();
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atomicCompareExchangeWeak_b2ab2c();
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return;
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}
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