Quelle 1809567.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/webgpu/crashtests/1809567.html

<!DOCTYPE html>
<html class="reftest-wait">
  <body>
    <script>
      // The bulk of the test is wrapped in an async function because
      // the WebGPU API returns promises of adapters and devices,
      // which we would like to conveniently await.
      async function orphan_webgpu_device() {
          // Create an iframe in the same origin as this code.
          let iframe = document.createElement('iframe');
          document.body.appendChild(iframe);

          // Define a function in that iframe that creates a WebGPU
          // `GPUDevice`.
          let script = iframe.contentDocument.createElement('script');
          script.type = 'text/javascript';
          script.text = `
              async function create_device() {
                  // WebGPU is not yet available in beta or release.
                  if (!navigator.gpu) {
                      return null;
                  }

                  let adapter = await navigator.gpu.requestAdapter({ });
                  // Not all GPUs are capable of supporting WebGPU.
                  if (!adapter) {
                      return null;
                  }

                  return await adapter.requestDevice({ });
              }
          `;
          iframe.contentDocument.body.appendChild(script);

          // Call that function to create a `GPUDevice` in the iframe.
          let device = await iframe.contentWindow.create_device();

          // If we can't run WebGPU in this browser, then we can't reach the crash.
          if (device) {
              // Remove the iframe from our document. This closes its window.
              iframe.remove();

              try {
                  // When a Web API JavaScript object has had its parent window
                  // closed, C++ implementations of its WebIDL methods become unable
                  // to create JavaScript objects as usual: calling
                  // `EventTarget::GetParentObject` returns `nullptr`.
                  //
                  // Since we removed `iframe` from this document, the following
                  // call will fail trying to create a `Promise` of the module's
                  // `GPUCompilationInfo`.
                  device.createShaderModule({ code: '' });
              } catch (error) {
                  // Eating errors indiscriminately wastes later developers' time.
                  if (error.name != "NS_ERROR_UNEXPECTED") {
                      throw error;
                  }
              }
          }
      }

      orphan_webgpu_device()
          .catch((error) => {
              console.log(error);
          })
          .finally(() => {
              // End the crashtest.
              document.documentElement.removeAttribute("class");
          });
    </script>
  </body>
</html>

Messung V0.5

¤ Dauer der Verarbeitung: 0.24 Sekunden (vorverarbeitet) ¤

Wurzel

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