[OpenJDK 2D-Dev] [9] Review Request: 8146042 Offscreen rendering is different from onscreen one

[Phil Race]

This fudge factor was last adjusted in 
https://bugs.openjdk.java.net/browse/JDK-6597822
way back before the D3D pipeline was released and the comments seem to 
indicate that
there was a fair amount of testing on different hardware.

I don't know why this seems to be in un-specified hardware-dependent 
territory but
it seems quite possible that this could just as easily introduce a 
different artifact
on some other hardware.

What exactly are you testing on ? And I think it needs to include at 
least one Nvidia
and one AMD/ATI card.

-phil.

On 1/14/2016 10:09 AM, Semyon Sadetsky wrote:
> Hello,
>
> Please review the fix for jdk9.
>
> bug: https://bugs.openjdk.java.net/browse/JDK-8146042
> webrev: http://cr.openjdk.java.net/~ssadetsky/8146042/webrev.00/
>
> The root cause is incorrect coordinate rounding in D3D renderer. To 
> fix the issue one of fudge factors was adjusted.
>
> Another issue mentioning in the JIRA ticket is taken out as a separate 
> bug.
>
> --Semyon
>