transferBackFromGPUTexture-first-throws.https.html

<!DOCTYPE html>
<html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="./webgpu-helpers.js"></script>
</head>

<h1>Canvas2D WebGPU Transfer: transferToGPUTexture-first-throws</h1>

<p>Calling transferBackFromGPUTexture() without any preceding call to
transferToGPUTexture() should raise an exception.</p>

<canvas id="c" width="50" height="50"></canvas>

<script>

promise_test(() => {
    return with_webgpu((adapter, adapterInfo, device) => {
      return test_transferBackFromGPUTexture_first_throws(
          device,
          document.getElementById('c'));
    });
  },
  'Calling transferBackFromGPUTexture() without any preceding call to ' +
  'transferToGPUTexture() should raise an exception.'
);

promise_test(() => {
    return with_webgpu((adapter, adapterInfo, device) => {
      return test_transferBackFromGPUTexture_first_throws(
          device,
          new OffscreenCanvas(50, 50));
    });
  },
  'Calling transferBackFromGPUTexture() on an offscreen context without any ' +
  'preceding call to transferToGPUTexture() should raise an exception.'
);

</script>

chromium/third_party/blink/web_tests/wpt_internal/webgpu/canvas_webgpu_transfer/transferBackFromGPUTexture-first-throws.https.html