[libavg-devel] Div Node Rotations Patch

Nick Hebner hebnern at gmail.com
Mon Aug 20 18:37:41 CEST 2007


On 8/20/07, Ulrich von Zadow <uzadow at libavg.de> wrote:
>
> Nick Hebner schrieb:
> > Well I fixed the double rotation problem, and started working on using
> > the stencil buffer to do masking. My solution does not seem to be
> > working - it is simply not masking any areas off. I am not sure what I
> > am doing wrong, but I will continue to investigate this. If you see
> > anything, please let me know.
>
> Hm - I don't have time to figure out what all the code does, but are all
> opengl calls succeeding? Have you placed OGLErrorCheck() calls after the
> stencil calls in pushClipRect to test that, for instance?


I just added some, and they seem to be succeeding.

Also, pushClipRet really needs the bClip parameter. It prevents leaf
> nodes from setting their own clip rectangle. Images and other leaf nodes
> have clip rects that are exactly as big as the item itself, so they
> don't really clip anything.


I indend on putting it back in, but have not gotten around to it as I am
testing.


But: the stencil buffer is never
> antialiased, so we'll have jaggies at the edges if we clip.



Cheers,
>
>    Uli
>
> --
>
> Ulrich von Zadow | +49-172-7872715 | cocacoder at jabber.berlin.ccc.de
>
>
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