Reference Manual - 1.8.0
IDirectFBSurface   BatchBlit2

Blit a bunch of areas at once using secondary source for reading instead of destination.

DFBResult BatchBlit2 (
  IDirectFBSurface   * thiz,
  IDirectFBSurface   * source,
  IDirectFBSurface   * source2,
  const DFBRectangle   * source_rects,
  const DFBPoint   * dest_points,
  const DFBPoint   * source2_points,
  int   num
);

Source may be the same surface.

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