BEGIN_GLOBAL_SHADER_PARAMETER_STRUCT

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References

BEGIN_GLOBAL_SHADER_PARAMETER_STRUCT  
(  
    FPrimitiveUniformShaderParameters,  
    ENGINE_API  
)  
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BEGIN_GLOBAL_SHADER_PARAMETER_STRUCT (     FPrimitiveUniformShaderParameters,     ENGINE_API )

Remarks

The uniform shader parameters associated with a primitive. Note: Must match FPrimitiveSceneData in shaders. Note 2: Try to keep this 16 byte aligned. i.e |Matrix4x4|Vector3,float|Vector3,float|Vector4| NOT |Vector3,(waste padding)|Vector3,(waste padding)|Vector3. Or at least mark out padding if it can't be avoided.