8252386: Lanai: Implement RadialGradientPaint in shader

[avu]

Implemented RadialGradientPaint, added RenderPerfTest tests

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Progress

• Change must not contain extraneous whitespace

Issue

• JDK-8252386: Lanai: Implement RadialGradientPaint in shader

Download

$ git fetch https://git.openjdk.java.net/lanai pull/88/head:pull/88
$ git checkout pull/88

[bridgekeeper]

👋 Welcome back avu! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request.

[openjdk]

@avu This change now passes all automated pre-integration checks. When the change also fulfills all project specific requirements, type /integrate in a new comment to proceed. After integration, the commit message will be:

8252386: Lanai: Implement RadialGradientPaint in shader

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[mlbridge]

Webrevs

• 00: Full (5e1c8ff)

[avu]

/integrate

[openjdk]

@avu
Pushed as commit db306e2.