examples/dxview/res/gray.hlsl - third_party/tinygltf - Git at Google

 float4 main() : SV_Target {
     return float4(0.5, 0.5, 0.5, 1.0);
 }
	float4 main() : SV_Target {
	return float4(0.5, 0.5, 0.5, 1.0);
	}