[OpenJDK Rasterizer] Marlin #4

[Laurent Bourgès]

Jim,

FYI I worked on improving Marlin patch #4 to send you asap a new webrev: it
will be simpler with only 2 variants (uncompressed and RLE+blockFlags).

I also fixed a bug in the array cache related to crossings (ptrLen !=
ptrEnd) in Renderer.endRendering () and wrote a test that makes all cached
arrays to resize above their initial capacities.

It is a bit faster on my ellipse tests: 285ms and 420ms instead of 300 and
450.

> I will evaluate using xcoord instead of runLen in the tuples and see if
it saves some add operations.

It seems promising so I will try implementing it but probably after sending
the new webrev.

> Did you look at the tile flags approach ?
> Any other advice on the heuristics I  experimented ?

Will you have some time next week to review that patch ?

PS: What is the plan to perform the concrete Marlin integration into jdk9 ?

Laurent
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