GPURenderPipeline: getBindGroupLayout() method

getBindGroupLayout(index)

// …

// Create a render pipeline using layout: "auto" to automatically generate
// appropriate bind group layouts
const fullscreenQuadPipeline = device.createRenderPipeline({
  layout: "auto",
  vertex: {
    module: device.createShaderModule({
      code: fullscreenTexturedQuadWGSL,
    }),
    entryPoint: "vert_main",
  },
  fragment: {
    module: device.createShaderModule({
      code: fullscreenTexturedQuadWGSL,
    }),
    entryPoint: "frag_main",
    targets: [
      {
        format: presentationFormat,
      },
    ],
  },
  primitive: {
    topology: "triangle-list",
  },
});

// …

// Create a bind group with the auto-generated layout from the render pipeline
const showResultBindGroup = device.createBindGroup({
  layout: fullscreenQuadPipeline.getBindGroupLayout(0),
  entries: [
    {
      binding: 0,
      resource: sampler,
    },
    {
      binding: 1,
      resource: textures[1].createView(),
    },
  ],
});

// …