<!-- webkit-test-runner [ enableMetalShaderValidation=true ] -->
<script src="../../../resources/js-test-pre.js"></script>
<script>
async function run() {
    let adapter = await navigator.gpu.requestAdapter()
    let device = await adapter.requestDevice();
    let bindGroupLayout1 = device.createBindGroupLayout({
        entries: [
            { binding: 1, visibility: GPUShaderStage.COMPUTE, buffer: { type: 'storage' } },
            { binding: 2, visibility: GPUShaderStage.COMPUTE, externalTexture: {} },
        ]
    })
    let pipelineLayout1 = device.createPipelineLayout({ bindGroupLayouts: [bindGroupLayout1] });
    let shaderModule = device.createShaderModule({ code: `
        @group(0) @binding(1) var<storage, read_write> buffer: array<f32>;
        @compute @workgroup_size(1) fn compute_main() {
            _ = buffer[0];
        }
    `});
    let pipeline = await device.createComputePipelineAsync({ layout: pipelineLayout1, compute: { module: shaderModule } });
    let videoFrame = new VideoFrame(new ArrayBuffer(16), { codedWidth: 2, codedHeight: 2, format: 'RGBX', timestamp: 0 });
    let externalTexture = device.importExternalTexture({ source: videoFrame });
    let buffer = device.createBuffer({ size: 4, usage: GPUBufferUsage.STORAGE });
    let commandEncoder = device.createCommandEncoder();
    let computePassEncoder = commandEncoder.beginComputePass();
    computePassEncoder.setPipeline(pipeline);
    let bindGroup = device.createBindGroup({
        layout: bindGroupLayout1,
        entries: [
            { binding: 1, resource: { buffer: buffer, size: 4 } },
            { binding: 2, resource: externalTexture },
        ],
    });
    computePassEncoder.setBindGroup(0, bindGroup);
    computePassEncoder.dispatchWorkgroups(1);
    computePassEncoder.end();
    let commandBuffer = commandEncoder.finish();
    device.queue.submit([commandBuffer]);
    await device.queue.onSubmittedWorkDone();
    debug('Pass')
    globalThis.testRunner?.notifyDone();
}

globalThis.testRunner?.dumpAsText();
globalThis.testRunner?.waitUntilDone();

run();
</script>