UnityEngine.Texture2D.INTERNAL_CALL_ReadPixels C# (CSharp) Method

        private static extern void INTERNAL_CALL_ReadPixels(Texture2D self, ref Rect source, int destX, int destY, bool recalculateMipMaps);
        [MethodImpl(MethodImplOptions.InternalCall)]

        public void ReadPixels(Rect source, int destX, int destY)
        {
            bool recalculateMipMaps = true;

            Texture2D.INTERNAL_CALL_ReadPixels(this, ref source, destX, destY, recalculateMipMaps);
        }