[compiz] Water plugin don't run error message: GL_ARB_fragment program is missing

[James Jones]

On Monday 17 July 2006 02:34 pm, David Reveman wrote:
> On Mon, 2006-07-17 at 23:09 +0200, reggaemanu wrote:
> > Hi David,
> >
> > In fact, for a Geforce TI 4200 card, and surely some others
> > card... the problem is than GL_ARB_fragment program is
> > available in a regular xorg server (so with nvidia drivers) ,
> > and with xgl/compiz it is no longer available. So it is a
> > problem with mesa right?
>
> Mesa supports GL_ARB_fragment_program with indirect rendering, I
> might have pushed a patch into Mesa at some point to make it work
> but it must have been some time ago so mesa 6.5 and later should
> be fine.
>
> ATI's and nvidia's GL libraries probably don't support
> GL_ARB_fragment_program with indirect rendering so an application
> linked to those will not see this extension even though xgl
> supports it.

The NVIDIA GL libraries do actually support GL_ARB_fragment_program 
with indirect rendering, but we do not support 
GL_EXT_framebuffer_object with indirect rendering yet.  I believe 
this would also be required for the water plugin.

Thanks,
-James Jones

> compiz must be linked to mesa's GL library to work anyhow so it
> shouldn't be a problem there.
>
> -David
>
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