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Polyfill this for HLSL using an atomic add with the operand negated. Fixed: tint:1130 Change-Id: Ifa32d58973f1b48593ec0f6320f47f4358a5a3a9 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/62760 Auto-Submit: James Price <jrprice@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: Ben Clayton <bclayton@google.com>
27 lines
568 B
HLSL
27 lines
568 B
HLSL
groupshared int arg_0;
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void atomicSub_77883a() {
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int atomic_result = 0;
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InterlockedAdd(arg_0, -1, atomic_result);
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int 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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void compute_main_inner(uint local_invocation_index) {
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{
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int atomic_result_1 = 0;
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InterlockedExchange(arg_0, 0, atomic_result_1);
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}
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GroupMemoryBarrierWithGroupSync();
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atomicSub_77883a();
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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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compute_main_inner(tint_symbol.local_invocation_index);
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return;
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}
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