LayoutTests/fast/webgpu/regression/repro_284608.html

<script>
  globalThis.testRunner?.waitUntilDone();
  const log = console.debug;

  const format = 'bgra8unorm';

  onload = async () => {
    let adapter = await navigator.gpu.requestAdapter({});
    let device = await adapter.requestDevice({});
    device.pushErrorScope('validation');
    let module = device.createShaderModule({
      code: `
@vertex
fn v(@location(0) fromVertexBuffer: f32) -> @builtin(position) vec4f {
  return vec4(fromVertexBuffer);
}

@fragment
fn f() -> @location(0) vec4f {
  return vec4();
}
`,
    });
    let pipeline = device.createRenderPipeline({
      layout: device.createPipelineLayout({bindGroupLayouts: []}),
      vertex: {
        module,
      },
      fragment: {module, targets: [{format}]},
      primitive: {topology: 'point-list'},
    });
    let texture = device.createTexture({format, size: [1, 1, 1], usage: GPUTextureUsage.RENDER_ATTACHMENT});
    let renderPassDescriptor = {
      colorAttachments: [
        {
          view: texture.createView(),
          clearValue: [0, 0, 0, 0],
          loadOp: 'clear',
          storeOp: 'store',
        },
      ],
    };
    let commandEncoder = device.createCommandEncoder();
    let renderPassEncoder = commandEncoder.beginRenderPass(renderPassDescriptor);
    renderPassEncoder.setPipeline(pipeline);
    let vertexBuffer = device.createBuffer({size: 4, usage: GPUBufferUsage.VERTEX});
    renderPassEncoder.setVertexBuffer(0, vertexBuffer);
    let indexBuffer = device.createBuffer({usage: GPUBufferUsage.INDEX, size: 16});
    renderPassEncoder.setIndexBuffer(indexBuffer, 'uint32');
    renderPassEncoder.drawIndexed(1, 1, 0, 1, 0);
    renderPassEncoder.end();
    device.queue.submit([commandEncoder.finish()]);
    await device.queue.onSubmittedWorkDone();
    let error = await device.popErrorScope();
    if (error) {
      log(error.message);
    } else {
      log('no validation error');
    }
    globalThis.testRunner?.notifyDone();
  };
</script>