wasm_webgl_through_js.html | Explore in Territory

<!DOCTYPE html>
<html>
<body>
  <canvas id="cvs" style="border: 1px solid black"></canvas>
<script src="../resources/runner.js"></script>
<script>
  function clearThruJS(context, mask) {
    context.clear(mask);
  }
  const clearNoJS =
    Function.prototype.call.bind(WebGLRenderingContext.prototype.clear);

  const imports = {
    '../clearCalls.js': {
      'clearThruJS': clearThruJS,
      'clearNoJS': clearNoJS
    }
  };
  fetch("resources/wasm_webgpu.wasm").then(
    response => response.arrayBuffer()).then(
      buffer => {console.log(buffer); return WebAssembly.compile(buffer)}).then(
    wasmModule => WebAssembly.instantiate(wasmModule, imports)).then(
    instance => {
      const testFuncThruJS = instance.exports.clearManyTimesThruJS;
      const gl = cvs.getContext("webgl");
      const kClearsPerIteration = 1_000_000;

      PerfTestRunner.measureTime({
          description: 'Test calls from WebAssembly to ' +
                       'WebGLRenderingContext.prototype.clear through ' +
                       'JavaScript',
          setup: function() {},
          run: function() {
            testFuncThruJS(gl, kClearsPerIteration);
          },
          iterationCount: 5
      });
});
</script>
</body>
</html>
chromium/third_party/blink/perf_tests/bindings/wasm_webgl_through_js.html
