internal ProceduralRequestList(ProceduralTextureStackCreationParams creationParams, ProceduralTextureStack _owner)
        {
            requests = new NativeArray <ProceduralTextureStackRequest>((int)creationParams.maxRequestsPerFrame, Allocator.Persistent);
            owner    = _owner;

            requestUpdates = new System.Collections.Generic.List <ProceduralTextureStackRequestUpdate>((int)creationParams.maxRequestsPerFrame);
        }
 internal ProceduralRequestList(ProceduralTextureStackCreationParams creationParams, ProceduralTextureStack _owner)
 {
     requests = new NativeArray <ProceduralTextureStackRequest>((int)creationParams.maxRequestsPerFrame, Allocator.Persistent);
     owner    = _owner;
 }