Withdrawn: 8303904: Transparent Windows Paint Wrong (Opaque) w/o Volatile Buffering

[duke]

On Mon, 27 Mar 2023 21:45:08 GMT, Jeremy <duke at openjdk.org> wrote:

> The original write-up contains two complaints:
> 1. The window is opaque, so pixels that should be transparent are black.
> 2. The window is the wrong resolution. On a 200% resolution monitor it renders as if it were 100% (so it looks pixelated).
> 
> I recommend splitting this up into separate tickets.
> 
> This PR addresses the first (probably most offensive) issue: the window is now transparent.
> 
> I experimented with a change that resolves the second issue (image resolution) here:
> https://github.com/openjdk/jdk/commit/90735b7c01c66268776998c1b6aedc3250427002
> 
> ... that works, but IMO that looks riskier and should be part of a separate discussion.
> 
> I only have a Mac configured right now to test against, so I've confirmed the MTLGraphicsConfig and CGLGraphicsConfig changes. The other GraphicsConfig changes are identical, but I haven't confirmed that this new test passes in those environments. (I did confirm that those GraphicsConfig files appear to support getColorModel(Transparency.TRANSLUCENT), so I'm optimistic they'll be OK.

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jdk/pull/13196