Function tryCreateBuffer

web/src/webgpu.ts:165–188

* Create GPU buffer with `createBuffer()` but with error catching; destroy if error caught. * @param device The GPUDevice used to create a buffer. * @param descriptor The GPUBufferDescriptor passed to `createBuffer()`. * @returns The buffer created by `createBuffer()`. * * Note: We treat any er

(device: GPUDevice, descriptor: GPUBufferDescriptor)

 *   `device.destroy()` with `device.lost.then()`.
 */
function tryCreateBuffer(device: GPUDevice, descriptor: GPUBufferDescriptor) {
  device.pushErrorScope("out-of-memory");
  device.pushErrorScope("validation");
  device.pushErrorScope("internal");

  const buffer = device.createBuffer(descriptor);

  // Destroy at most once even if multiple error types fire.
  Promise.all([
    device.popErrorScope(),
    device.popErrorScope(),
    device.popErrorScope(),
  ]).then((errors) => {
    const captured = errors.filter((error): error is GPUError => error !== null);
    if (captured.length > 0) {
      device.destroy();
      captured.forEach((error) => console.error(error));
    }
  }).catch((err) => {
    console.error("Failed to pop error scopes:", err);
  });

  return buffer;
}

const canvasRenderWGSL = `
@group(0) @binding(0) var my_sampler : sampler;