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Sergey Sharybin a4b92a6814 Fix #104829: Clip editor has poor performance when Metadata panel is closed
According to the report it is a regression since 3.2, but it is tricky
to pin-point which exact commit caused it.

The root of the issue is that under certain circumstances frame might
be read and processed twice, depending on the order in which panels and
the main area is drawn: the footage information panel skips cache, so
it it is drawn prior to the main area it leads to 2 frame reads. Opening
the Metadata panel triggers code path which forces frame to be put to
the cache, solving the double frame read.

Solution is simple: do not skip cache when acquiring image buffer for
the footage information: the same frame will be needed for the main
area as well.

Pull Request #104860
2023-02-17 10:56:10 +01:00
..
2023-02-15 13:26:54 +11:00