DDOVERLAYFX

type DDOVERLAYFX = record

  dwSize: LongWord;

  dwAlphaEdgeBlendBitDepth: LongWord;

  dwAlphaEdgeBlend: LongWord;

  dwReserved: LongWord;

  dwAlphaDestConstBitDepth: LongWord;

  case Integer of

    0: (

        dwAlphaDestConst: LongWord;

      );

    1: (

        lpDDSAlphaDest: ;

        dwAlphaSrcConstBitDepth: LongWord;

        case Integer of

          0: (

              dwAlphaSrcConst: LongWord;

            );

          1: (

              lpDDSAlphaSrc: ;

              dckDestColorkey: DDCOLORKEY;

              dckSrcColorkey: DDCOLORKEY;

              dwDDFX: LongWord;

              dwFlags: LongWord;

            );

      );

end;