,
    fragment: {
      module: redTriangleShader,
      entryPoint: "fragmentMain",
      targets: [{ format: presentationFormat } ]
    },
    primitive: { topology: "triangle-list" },
    depthStencil: {
      depthWriteEnabled: true,
      depthCompare: 'less',
      format: 'depth24plus',
    },
  });

  const triangleCount = 10;

  const renderBundleEncoder = device.createRenderBundleEncoder({
    colorFormats: [ presentationFormat ],
    depthStencilFormat: 'depth24plus'
  });
  r