[OpenJDK 2D-Dev] RFR JDK-8184429: Path clipper added in Marlin2D & MarlinFX 0.8.0

Laurent Bourgès bourges.laurent at gmail.com
Thu Nov 16 23:01:37 UTC 2017


Here is an updated webrev:

It fixes the ClipShapeTest to run ~35s (< 2mins) on my latop: 22 test
setups only (5000 random polygons each) that covers all aspects of the new
clipping algorithm.

I wonder if I should remove the 'slow' mode that has till @ignore:
both tests are ignored if I run jtreg -ignore:quiet although I would like
to only ignore the @ignore run (1/2).

Once again, I have to create a new JBS bug for Marlin2D tomorrow then start
a new RFR with a complete change log.


2017-11-16 10:50 GMT+01:00 Laurent Bourgès <bourges.laurent at gmail.com>:

> Sergey,
> You can generate a number of images using a few threads when the flag is
>> on then switch it off and compares results. The test should not draw
>> different(on/off) modes in parallel but it can draw the images for the same
>> mode.
> Yes that is always possible but I do not want to spend too much time
> improving the test to parallelize it.
> I fixed it last night and it runs only 22 test setups (1 stroke width =
> 8px, no dashes) and takes ~ 30 seconds on my laptop (single-thread).
> I verified that any bug in Marlin clipping is detected by this new variant
> of the tests.
> Will provide a new patch asap.
>> Finally I will minimize the number of stroker tests: use only 1 stroke
>>> width (=5px) and that should be enough to stay below timeout (2mins).
>> Note that the test can be run on some slow/virtual systems, it would be
>> good to have some additional time.
>> Is there any documentation about jtreg tags ?
>> You can find it here:
>> http://openjdk.java.net/jtreg/tag-spec.html
> Thanks.
> Laurent

Laurent Bourgès
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