dom/webgpu/mochitest/test_queue_write.html

   1 <!doctype html>
   2 <html>
   3   <head>
   4     <meta charset="utf-8" />
   5     <script src="/tests/SimpleTest/SimpleTest.js"></script>
   6     <link rel="stylesheet" href="/tests/SimpleTest/test.css" />
   7   </head>
   8   <body>
   9     <script>
  10       ok(
  11         SpecialPowers.getBoolPref("dom.webgpu.enabled"),
  12         "Pref should be enabled."
  13       );
  14
  15       const func = async function () {
  16         const adapter = await navigator.gpu.requestAdapter();
  17         const device = await adapter.requestDevice();
  18         const buffer = device.createBuffer({
  19           size: 16,
  20           usage:
  21             GPUBufferUsage.COPY_DST |
  22             GPUBufferUsage.COPY_SRC |
  23             GPUBufferUsage.VERTEX,
  24         });
  25         const arrayBuf = new ArrayBuffer(16);
  26         new Int32Array(arrayBuf).fill(5);
  27         device.queue.writeBuffer(buffer, 0, arrayBuf, 0);
  28         const texture = device.createTexture({
  29           size: [2, 2, 1],
  30           dimension: "2d",
  31           format: "rgba8unorm",
  32           usage: GPUTextureUsage.COPY_DST | GPUTextureUsage.COPY_SRC,
  33         });
  34         device.queue.writeTexture(
  35           { texture },
  36           arrayBuf,
  37           { bytesPerRow: 8 },
  38           [2, 2, 1]
  39         );
  40         // this isn't a process check, we need to read back the contents and verify the writes happened
  41         ok(device !== undefined, "");
  42       };
  43
  44       SimpleTest.waitForExplicitFinish();
  45       func()
  46         .catch(e => ok(false, "Unhandled exception " + e))
  47         .finally(() => SimpleTest.finish());
  48     </script>
  49   </body>
  50 </html>