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The following operations are supported: OpAtomicLoad OpAtomicStore OpAtomicExchange OpAtomicCompareExchange OpAtomicCompareExchangeWeak OpAtomicIIncrement OpAtomicIDecrement OpAtomicIAdd OpAtomicISub OpAtomicSMin OpAtomicUMin OpAtomicSMax OpAtomicUMax OpAtomicAnd OpAtomicOr OpAtomicXor These are not, but may be supported in the future: OpAtomicFlagTestAndSet OpAtomicFlagClear OpAtomicFMinEXT OpAtomicFMaxEXT OpAtomicFAddEXT Bug: tint:1441 Change-Id: Ifd53643b38d43664905a0dddfca609add4914670 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/94121 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Antonio Maiorano <amaiorano@google.com>
39 lines
830 B
WebGPU Shading Language
39 lines
830 B
WebGPU Shading Language
type Arr = array<u32, 4u>;
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var<private> local_invocation_index_1 : u32;
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var<workgroup> wg : array<atomic<u32>, 4u>;
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fn compute_main_inner(local_invocation_index : u32) {
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var idx : u32 = 0u;
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idx = local_invocation_index;
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loop {
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let x_21 : u32 = idx;
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if (!((x_21 < 4u))) {
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break;
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}
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let x_26 : u32 = idx;
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atomicStore(&(wg[x_26]), 0u);
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continuing {
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let x_33 : u32 = idx;
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idx = (x_33 + 1u);
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}
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}
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workgroupBarrier();
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atomicStore(&(wg[1i]), 1u);
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return;
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}
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fn compute_main_1() {
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let x_47 : u32 = local_invocation_index_1;
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compute_main_inner(x_47);
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return;
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}
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@compute @workgroup_size(1i, 1i, 1i)
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fn compute_main(@builtin(local_invocation_index) local_invocation_index_1_param : u32) {
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local_invocation_index_1 = local_invocation_index_1_param;
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compute_main_1();
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}
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