[OpenJDK 2D-Dev] RFR: 8264475: CopyArea ignores clip state in metal rendering pipeline [v4]

[Jayathirth D V]

On Sat, 3 Apr 2021 05:30:12 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

> > We need to use appropriate encoder(where scissor is set) to honour clip in copyArea.
> 
> It is quite interesting that blitting with or without clipping does not have any difference. thank you for confirmation. but probably our perf tests are not good enough.

Exactly i suspect we are not hitting threshold of GPU computing in our tests. If we hit GPU threshold with larger clip bounds i expect performance to be on higher side after the fix.

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PR: https://git.openjdk.java.net/jdk/pull/3283