Reference Manual - 1.8.0
IDirectFBSurface   GetFrameTime

Retrieve timestamp for next frame to be rendered.

DFBResult GetFrameTime (
  IDirectFBSurface   * thiz,
  long long   * ret_micros
);

This can well lie in the future, meaning that buffers are already queued and the application can generate the next frame in advance...

The returned micro seconds are from DIRECT_CLOCK_MONOTONIC.

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