test_queue_write.html

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<html>

  <head>

    <meta charset="utf-8" />

    <script src="/tests/SimpleTest/SimpleTest.js"></script>

    <link rel="stylesheet" href="/tests/SimpleTest/test.css" />

  </head>

  <body>

    <script>

ok(

        SpecialPowers.getBoolPref("dom.webgpu.enabled"),

        "Pref should be enabled."

);

      const func = async function () {

        const adapter = await navigator.gpu.requestAdapter();

        const device = await adapter.requestDevice();

        const buffer = device.createBuffer({

          size: 16,

          usage:

            GPUBufferUsage.COPY_DST |

            GPUBufferUsage.COPY_SRC |

            GPUBufferUsage.VERTEX,

});

        const arrayBuf = new ArrayBuffer(16);

        new Int32Array(arrayBuf).fill(5);

        device.queue.writeBuffer(buffer, 0, arrayBuf, 0);

        const texture = device.createTexture({

          size: [2, 2, 1],

          dimension: "2d",

          format: "rgba8unorm",

          usage: GPUTextureUsage.COPY_DST | GPUTextureUsage.COPY_SRC,

});

        device.queue.writeTexture(

          { texture },

          arrayBuf,

          { bytesPerRow: 8 },

          [2, 2, 1]

);

        // this isn't a process check, we need to read back the contents and verify the writes happened

        ok(device !== undefined, "");

};

      SimpleTest.waitForExplicitFinish();

      func()

        .catch(e => ok(false, "Unhandled exception " + e))

        .finally(() => SimpleTest.finish());

    </script>

  </body>

</html>