dom/webgpu/mochitest/test_submit_render_empty.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
  19         const swapChainFormat = "rgba8unorm";
  20         const bundleEncoder = device.createRenderBundleEncoder({
  21           colorFormats: [swapChainFormat],
  22         });
  23         const bundle = bundleEncoder.finish({});
  24
  25         const texture = device.createTexture({
  26           size: { width: 100, height: 100, depth: 1 },
  27           format: swapChainFormat,
  28           usage: GPUTextureUsage.RENDER_ATTACHMENT,
  29         });
  30         const view = texture.createView();
  31
  32         const encoder = device.createCommandEncoder();
  33         const pass = encoder.beginRenderPass({
  34           colorAttachments: [
  35             {
  36               view,
  37               clearValue: { r: 0, g: 0, b: 0, a: 0 },
  38               loadOp: "clear",
  39               storeOp: "store",
  40             },
  41           ],
  42         });
  43         pass.executeBundles([bundle]);
  44         pass.end();
  45         const command_buffer = encoder.finish();
  46
  47         device.queue.submit([command_buffer]);
  48         ok(command_buffer !== undefined, "command_buffer !== undefined");
  49       };
  50
  51       SimpleTest.waitForExplicitFinish();
  52       func()
  53         .catch(e => ok(false, "Unhandled exception " + e))
  54         .finally(() => SimpleTest.finish());
  55     </script>
  56   </body>
  57 </html>