LayoutTests/fast/webgpu/regression/repro_1380d.html

<!-- webkit-test-runner [ enableMetalShaderValidation=true ] -->
<script>
  globalThis.testRunner?.waitUntilDone();
  const log = console.debug;

  onload = async () => {
    let adapter = await navigator.gpu.requestAdapter({});
    let device = await adapter.requestDevice({});
    device.pushErrorScope('validation');
    let code = `
@group(0) @binding(0) var<storage, read_write> buf0: array<u32>;

@compute @workgroup_size(1)
fn c() {
  buf0[0x40] = arrayLength(&buf0);
}
`;
    let module = device.createShaderModule({code});
    let bindGroupLayout0 = device.createBindGroupLayout({
      entries: [
        {binding: 0, buffer: {type: 'storage'}, visibility: GPUShaderStage.COMPUTE},
        {binding: 1, buffer: {type: 'storage'}, visibility: GPUShaderStage.COMPUTE},
        {binding: 2, buffer: {type: 'storage'}, visibility: GPUShaderStage.COMPUTE},
      ],
    });
    let storageBuffer0 = device.createBuffer({usage: GPUBufferUsage.STORAGE | GPUBufferUsage.COPY_SRC, size: 256});
    let outputBuffer0 = device.createBuffer({size: storageBuffer0.size, usage: GPUBufferUsage.COPY_DST | GPUBufferUsage.MAP_READ});
    let pipelineLayout = device.createPipelineLayout({
      bindGroupLayouts: [
        bindGroupLayout0,
        bindGroupLayout0,
        bindGroupLayout0,
      ],
    });
    let computePipeline1 = device.createComputePipeline({
      layout: pipelineLayout,
      compute: {module},
    });
    let bindGroup0 = device.createBindGroup({
      layout: bindGroupLayout0,
      entries: [
        {binding: 0, resource: {buffer: storageBuffer0}},
        {binding: 1, resource: {buffer: storageBuffer0}},
        {binding: 2, resource: {buffer: storageBuffer0}},
      ],
    });
    let commandEncoder = device.createCommandEncoder();
    let computePassEncoder = commandEncoder.beginComputePass({});
    computePassEncoder.setPipeline(computePipeline1);
    computePassEncoder.setBindGroup(0, bindGroup0);
    computePassEncoder.dispatchWorkgroups(1);
    computePassEncoder.end();
    let commandBuffer = commandEncoder.finish();
    device.queue.submit([commandBuffer]);
    await device.queue.onSubmittedWorkDone();
    await outputBuffer0.mapAsync(GPUMapMode.READ);
    log([...new Uint32Array(outputBuffer0.getMappedRange())].map(x => x.toString(0x10)).join(', '));
    outputBuffer0.unmap();
    let error = await device.popErrorScope();
    if (error) {
      log(error.message);
    } else {
      log('no validation error');
    }
    globalThis.testRunner?.notifyDone();
  };
</script>