WebGPU: Check how many QuerySets we can have

README.md

WebGPU: Check how many QuerySets we can have

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index.css

/*bug-in-github-api-content-can-not-be-empty*/

index.html

/*bug-in-github-api-content-can-not-be-empty*/

index.js

async function main () {
  const adapter = await navigator.gpu.requestAdapter();
  if (!adapter.features.has('timestamp-query')) {
    console.error('need timestamp-query');
    return;
  }
  const device = await adapter.requestDevice({ requiredFeatures: ['timestamp-query'] });
  const queries = [];
  for (;;) {
    device.pushErrorScope('validation');
    const querySet = device.createQuerySet({ type: 'timestamp', count: 2, label: `QuerySet#${queries.length + 1} ` });
    queries.push(querySet);
    device.queue.submit([]);
    {
      const err = await device.popErrorScope();
      if (err) {
        console.error('at creation:', err.message);
        break;
      }
    }

    device.pushErrorScope('validation');
    const encoder = device.createCommandEncoder();
    const pass = encoder.beginComputePass({
      timestampWrites: {
        querySet,
        beginningOfPassWriteIndex: 0,
        gendOfPassWriteIndex: 1,
      },
    });
    pass.end();
    device.queue.submit([encoder.finish()]);
    {
      const err = await device.popErrorScope();
      if (err) {
        console.error('at usage:', err.message);
        break;
      }
    }
    if (queries.length % 100 === 0) {
      console.log(queries.length);
      await new Promise(resolve => setTimeout(resolve, 100));
    }
  }
  console.log('num queries:', queries.length - 1);
}

main();

jsGist.json

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