[OpenJDK 2D-Dev] [8] Request for review: 8000629 [macosx] Blurry rendering with Java 7 on Retina display

Phil Race philip.race at oracle.com
Fri Mar 29 15:55:32 UTC 2013

I've been trying out the patch - using quartz debug, since I don't have 
a retina display.
Aside from occasional artifacts in theSwing  controls which may well be 
code there
that doesn't handle this case well, the only  pure 2D thing that I 
noticed was the
Texture Paint demos in Java2Demo don't seem to handle this well. The 
aren't being scaled.

Likely not our problem, rather quartz debug, is that if I switched 
display modes
whilst quartz debug was running *and* we had the 2D animation running, then
large parts of the display flashed, even after I quit the 2D demo. I had 
to quit
quartz debug to get it to stop.


On 3/28/2013 5:37 AM, Sergey Bylokhov wrote:
>> This only applies to a few specific applets, 
> Most of our demos just does not work, because of that I leave it here.
>> and the problem is not directly related to HiDPI support because 
>> you'll run into a similar bug when running with a LoDPI native 
>> resolution of, say, 640x480 or 800x600. Therefore I believe that this 
>> particular change deserves a separate CR. Could you file one please 
>> and remove the change from your current fix?
> Yes I'll rework it later, for now I create CR for it 8010999.
>> -- 
>> best regards,
>> Anthony
>>>> -- 
>>>> best regards,
>>>> Anthony
>>>> On 3/26/2013 19:33, Sergey Bylokhov wrote:
>>>>> Hello,
>>>>> Please review the fix for jdk 8.
>>>>> Change adds initial support of hidpi(mostly on 2d side). In the fix
>>>>> scale was added to the surface data/CGraphicsDevice /CGLLayer. This
>>>>> scale factor maps virtual coordinates to physical pixels.
>>>>> This change doesn't add support of hidpi to aqua l&f and doesn't add
>>>>> support of dynamic change of scale factor.
>>>>> Bug: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=8000629
>>>>> Webrev can be found at:
>>>>> http://cr.openjdk.java.net/~serb/8000629/webrev.06
>>>>> -- 
>>>>> Best regards, Sergey.
> -- 
> Best regards, Sergey.

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