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

[Sergey Bylokhov]

On Sun, 12 Sep 2021 21:13:10 GMT, Alexey Ushakov <avu at openjdk.org> wrote:

> 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.

But the code path is the same, we create a window and try to clear/fill it by the background as fast as possible. And the flickering occurs because the time between g.fillRect()->actual image on the screen is too big.

-------------

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