[cairo] cairo-1.13 finally opens

[Bryce W. Harrington]

Yeah, you're right, that did the trick.  Looks good on fglrx too
when MSAA specified.

On Wed, Sep 11, 2013 at 09:23:32PM +0000, Henry (Yu) Song - SISA wrote:
> set CAIRO_GL_COMPOSITOR=msaa and re-run  I think blur for span compositor has some problems.
> 
> 
> ________________________________________
> From: Bryce W. Harrington
> Sent: Wednesday, September 11, 2013 1:32 PM
> To: Henry (Yu) Song - SISA
> Cc: cairo at cairographics.org
> Subject: Re: [cairo] cairo-1.13 finally opens
> 
> On Thu, Sep 05, 2013 at 06:42:38PM +0000, Henry (Yu) Song - SISA wrote:
> > Hi, Bryce
> >
> > Good points on your comments.  It is short on test cases on shadow and
> > blur.  If you can help on that would be great.
> 
> I've started putting together a test case, basically a simplified
> version of your example code:
> 
>   https://github.com/bryceharrington/cairogles/commits/filters-wip-test
>   (This is still WIP code, not ready for merging.)
> 
> Here's a preview of the test output as it is so far:
> 
>   http://www.bryceharrington.org/files/blur-test/
> 
> I'm using the image.argb32 output as the reference, since it looks
> pretty sharp and clean.  I'm not sure why the gl output is pixelated;
> perhaps I need to include more of the setup code from the example or
> something.
> 
> Feedback would be welcomed.  In particular, I'm looking for advice on
> how to tweak things so more of the tests pass.  I'd also like to gather
> ideas on further settings / shapes / algorithms / etc. to write tests
> for.
> 
> Bryce