GameEntities.WaterPlane.GetRequiredReflectionTextureSize C# (CSharp) Method

        Vec2i GetRequiredReflectionTextureSize()
        {
            //create texture
            Vec2i textureSize = RendererWorld.Instance.DefaultViewport.DimensionsInPixels.Size;

            if( reflectionTextureSize == ReflectionTextureSizes.HalfOfFrameBuffer )
                textureSize /= 2;
            if( reflectionTextureSize == ReflectionTextureSizes.QuarterOfFrameBuffer )
                textureSize /= 4;

            if( textureSize.X == 0 )
                textureSize.X = 1;
            if( textureSize.Y == 0 )
                textureSize.Y = 1;

            return textureSize;
        }