[OpenJDK 2D-Dev]  request for review: 7124347: [macosx] "java.lang.InternalError: not implemented yet" on call Graphics2D.drawRend
jennifer.godinez at oracle.com
Wed Nov 28 20:14:58 UTC 2012
On 11/26/2012 4:38 AM, Andrew Brygin wrote:
> could you please review a fix for 7124347?
> This fix does not implement getRater() in ogl surfaces.
> Instead, it provides a blit for custom composite, which
> prepares a snapshot of the destination surface (which
> is one of ogl surfaces) and delegates the work to the
> general blit, which now extracts raster from the snapshot.
> A result of general blit's work is transferred to the
> original destination.
> Changes in OGLSurfaceDataProcy are required in order to prevent
> getting an accelerated copy of original source image as an
> operand of the blit. Now we first check for composite type,
> and only then (if composite is not specified, or is a kind
> of alpha composite) we take into account other conditions.
> So this fix does not change anything for the case of alpha composites
> but affects only XOR and custom composites case.
> Note that the fix solves the problem only for the case of blits
> (i.e. drawImage()). Other operations may result into the same
> problem if custom composite is used. However, in case of XOR,
> this change solves the problem completely, because other rendering
> operations in the ogl pipeline are ready for XOR composite.
> Supplied regression test verifies that the fix makes the problem gone.
> I have verified both windows and macosx platforms.
> Please take a look and share your comments.
> Bug: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7124347
> Webrev: http://cr.openjdk.java.net/~bae/7124347/8/webrev.00/
More information about the 2d-dev