{
  stateMap "passthrough"; // TODO

  vertexShader 3.0 "grain_overlay.hlsl"
  {
    worldViewProjectionMatrix = constant.transposeWorldViewProjectionMatrix;
  }

  pixelShader 3.0 "grain_overlay.hlsl"
  {
    colorMapSampler = material.colorMap;
  }

  vertex.position = code.position;
  vertex.color[0] = code.color;
  vertex.texcoord[0] = code.texcoord[0];
}