if (!navigator.gpu.wgslLanguageFeatures.has('immediate_address_space')) {
   throw new Error(`WGSL immediate address space is not available`);
}

const adapter = await navigator.gpu.requestAdapter();
const device = await adapter.requestDevice();

const module = device.createShaderModule({ code: `
  requires immediate_address_space;

  var<immediate> color: vec4f;

  @vertex fn vertexMain(@builtin(vertex_index) i : u32) -> @builtin(position) vec4f {
    const pos = array(vec2f(0, 1), vec2f(-1, -1), vec2f(1, -1));
    return vec4f(pos[i], 0, 1);
  }

  @fragment fn fragmentMain() -> @location(0) vec4f {
    return color;
  }`,
});

// Create render pass encoder (omitted)...

// layout: 'auto'를 사용하면 WebGPU가 WGSL 모듈에서 파이프라인 레이아웃에 필요한 `immediateSize`를 자동으로 추론합니다.
const pipeline = device.createRenderPipeline({
  layout: 'auto',
  vertex: { module },
  fragment: { module, targets: [{ format }] },
});
myRenderPassEncoder.setPipeline(pipeline);

// immediate 데이터를 GPU로 보내고 draw call을 발행합니다.
myRenderPassEncoder.setImmediates(/*rangeOffset=*/0, new Float32Array([255, 0, 0, 255]));
myRenderPassEncoder.draw(3);
myRenderPassEncoder.end();