[OpenJDK 2D-Dev] JDK-8068529 XSync when xrender is turned off

Sergey Bylokhov Sergey.Bylokhov at oracle.com
Fri Jan 23 09:24:13 UTC 2015

Hi, Clemens.
On 23.01.2015 2:18, Clemens Eisserer wrote:
> The D3D & OpenGL pipelines have some code to work around the issue by 
> performing a sync for blits which are equal to the blits of Swing's 
> backbuffer operations.
Actually it will do this for any blits to the window, because the swing 
can use different paint strategy(w/ or w/o buffer) or the user can draw 
something to the window directly via BufferStrategy.
> My plan was to introduce flush-points in AWT to get the content on 
> screen where appropriate instead of guessing in the pipeline which 
> operations could be backbuffer blits. However I am not even sure this 
> is feasable, so it will take some time for to figure out a sane way.
> Best regards and thanks for your investigations, Clemens

Best regards, Sergey.

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