Quelle draw-storage-compute.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/webgpu/tests/reftest/draw-storage-compute.html

<!doctype html>



<html class="reftest-wait">
  <head>
    <meta charset="utf-8" />
  </head>
  <body>
    <canvas id="canvas" width=512 height=512></canvas>
  </body>
  <script>
    (async function() {
      try {
        var code = `
        @group(0) @binding(0) var output: texture_storage_2d<{PRESENTATION_FORMAT}, write>;

        @compute @workgroup_size(16, 16)
        fn main(
          @builtin(global_invocation_id) invocation_id: vec3u
        ) {
          let x = i32(invocation_id.x);
          let y = i32(invocation_id.y);
          if (y >= 128 && y < 384 && 2 * x >= 640 - y && 2 * x < 384 + y) {
            textureStore(output, invocation_id.xy, vec4f(1, 0, 0, 1));
          } else {
            textureStore(output, invocation_id.xy, vec4f(0, 0, 0, 1));
          }
        }
        `;

        const canvas = document.querySelector('canvas');
        const adapter = await navigator.gpu?.requestAdapter({ });

        let presentationFormat = navigator.gpu.getPreferredCanvasFormat();
        if (presentationFormat != 'rgba8unorm' && presentationFormat != 'bgra8unorm') {
          throw new Error('Unsupported presentation format: ' + presentationFormat);
        }
        const deviceDescriptor = {};
        if (presentationFormat == 'bgra8unorm') {
          if (!adapter.features.has('bgra8unorm-storage')) {
            console.warn('Using rgba8unorm because bgra8unorm-storage feature is not available');
            presentationFormat = 'rgba8unorm';
          } else {
            deviceDescriptor.requiredFeatures = ['bgra8unorm-storage'];
          }
        }

        const device = await adapter?.requestDevice(deviceDescriptor);
        const context = canvas.getContext('webgpu');
        const devicePixelRatio = window.devicePixelRatio;
        canvas.width = canvas.clientWidth * devicePixelRatio;
        canvas.height = canvas.clientHeight * devicePixelRatio;
        context.configure({
          device,
          format: presentationFormat,
          usage: GPUTextureUsage.STORAGE_BINDING,
        });

        const canvasView = context.getCurrentTexture().createView();
        const bindGroupLayout = device.createBindGroupLayout({
          entries: [
            {
              binding: 0,
              visibility: GPUShaderStage.COMPUTE,
              storageTexture: {
                access: 'write-only',
                format: presentationFormat,
                viewDimension: '2d',
              },
            },
          ],
        });
        const bindGroup = device.createBindGroup({
          layout: bindGroupLayout,
          entries: [
            {
              binding: 0,
              resource: canvasView,
            },
          ],
        });

        const pipelineLayout = device.createPipelineLayout({
          bindGroupLayouts: [bindGroupLayout],
        });
        const pipeline = device.createComputePipeline({
          layout: pipelineLayout,
          compute: {
            module: device.createShaderModule({
              code: code.replace('{PRESENTATION_FORMAT}', presentationFormat),
            }),
          },
        });

        const commandEncoder = device.createCommandEncoder();
        const passEncoder = commandEncoder.beginComputePass();
        passEncoder.setBindGroup(0, bindGroup);
        passEncoder.setPipeline(pipeline);
        passEncoder.dispatchWorkgroups(32, 32);
        passEncoder.end();
        device.queue.submit([commandEncoder.finish()]);
        await device.queue.onSubmittedWorkDone();
        requestAnimationFrame(() => {
          requestAnimationFrame(() => document.documentElement.className = '');
        });
      } catch (error) {
        console.error(error);
        document.getElementById('canvas').style.display = 'none';
        document.body.append(error.toString());
        document.documentElement.className = '';
      }
    })();
  </script>
</html>

Messung V0.5 in Prozent

¤ Dauer der Verarbeitung: 0.18 Sekunden (vorverarbeitet am 2026-08-25) ¤

Wurzel

Suchen

PVS Prover

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NIST Cobol Testsuite

Cephes Mathematical Library

Vienna Development Method

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