dom/webgpu/mochitest/test_submit_render_empty.worker.js

   1 self.addEventListener("message", async function (event) {
   2   try {
   3     const adapter = await navigator.gpu.requestAdapter();
   4     const device = await adapter.requestDevice();
   5
   6     const swapChainFormat = "rgba8unorm";
   7     const bundleEncoder = device.createRenderBundleEncoder({
   8       colorFormats: [swapChainFormat],
   9     });
  10     const bundle = bundleEncoder.finish({});
  11
  12     const texture = device.createTexture({
  13       size: { width: 100, height: 100, depth: 1 },
  14       format: swapChainFormat,
  15       usage: GPUTextureUsage.RENDER_ATTACHMENT,
  16     });
  17     const view = texture.createView();
  18
  19     const encoder = device.createCommandEncoder();
  20     const pass = encoder.beginRenderPass({
  21       colorAttachments: [
  22         {
  23           view,
  24           clearValue: { r: 0, g: 0, b: 0, a: 0 },
  25           loadOp: "clear",
  26           storeOp: "store",
  27         },
  28       ],
  29     });
  30     pass.executeBundles([bundle]);
  31     pass.end();
  32     const command_buffer = encoder.finish();
  33
  34     device.queue.submit([command_buffer]);
  35     self.postMessage([
  36       {
  37         value: command_buffer !== undefined,
  38         message: "command_buffer !== undefined",
  39       },
  40     ]);
  41   } catch (e) {
  42     self.postMessage([
  43       {
  44         value: false,
  45         message: "Unhandled exception " + e,
  46       },
  47     ]);
  48   }
  49 });