[OpenJDK 2D-Dev]  Review Request: 8041644 [OGL] clip is ignored during surface->sw blit
philip.race at oracle.com
Tue May 20 17:17:41 UTC 2014
On 5/20/2014 10:03 AM, Sergey Bylokhov wrote:
> On 5/20/14 8:52 PM, Phil Race wrote:
>> So my first question here was. So what does D3D do ? We should just
>> copy that code.
> D3D doesn't work as well.
>> Then I read the bug report and it says D3D has the same bug
>> I don't get why you'd fix it for OGL but not for D3D which seems like
>> way more important case.
> OGL is important too, because it is default pipeline on osx. I plan to
> fix D3D case later.
And D3D is the default pipeline on Windows ! I submit that there are
(many) more people
world-wide using that than OS X.
> Actually I am not familiar with d3d code and right now I focused on
> hidpi support in SwingNode on OSX.
>> So when you check this in we'll just get one more failing regression
> Yes. It will be bound to the separate CR.
At a minimum the test should only run on OS X or should specify
until Windows is resolved.
But I really think this should all be checked in as one fix.
>> On 5/20/2014 9:42 AM, Sergey Bylokhov wrote:
>>> Please review the fix for jdk 9, which is also targeted for jdk 8u20.
>>> Our implementation of opengl surface-> sw blit does not take
>>> into account the clipped area.
>>> Suggested fix:
>>> I intersect a clip and a coordinates of destination, and if the
>>> resulted region is rectangle I use the usual blit, but if the region
>>> is complex I use intermediate buffer(like OGLAnyCompositeBlit.Blit()
>>> or OGLGeneralBlit.Blit()).
>>> Bug: https://bugs.openjdk.java.net/browse/JDK-8041644
>>> Webrev can be found at:
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