Reference Manual - 1.6.3
IDirectFBSurface   GetFramebufferOffset

Obsolete. Returns DFB_FAILURE always.

DFBResult GetFramebufferOffset (
  IDirectFBSurface   * thiz,
  int   * offset
);

Previously returned the framebuffer offset of a locked surface. However, it is not a safe API to use at all, since it is not guaranteed that the offset actually belongs to fbmem (e.g. could be AGP memory).

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