RFR: 8273355: Lanai: Flickering on tooltip appearance IntelliJ IDEA 2021.2.1

[Alexey Ushakov]

On Sat, 11 Sep 2021 00:41:53 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

> > I'm not sure about Swingmark but RenderPerf tracks the real content rendering (there are color marks for each frame that are rendered after the bunch of primitives and the java robot detects the change of the color marks). So, we can trust the numbers in the RenderPerf.
> 
> Then why it does not catch this one? If it works fast then probably we just draw some wrong texture in the beginning or draw some garbage?

The scenario from RenderPerf differs from this issue. In RenderPerf we create a window and then perform rendering of multiple primitives.  Whereas in this bug we create a new window each time and see the flickering.

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PR: https://git.openjdk.java.net/jdk/pull/5373