locking memory ranges with the exa memory manager

[Alex Deucher]

On 8/10/05, Thomas Winischhofer <thomas at winischhofer.net> wrote:
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> Alex Deucher wrote:
> > Unless I'm missing something, I think exa needs a function to set the
> > number and size of offscreen memory pools.  In porting exa to savage,
> > I'm having a hard time preventing the exa memory manager from using
> > the back/depth/texture buffers, etc.  XAA allows you to pass a boxrect
> > to the memory manager to specify the size of the offscreen memory.
> > how would one do that with exa?  All I can see right now is limiting
> > the size of the videoram you pass to exa.
> >
> > For example on savage the memory is laid out like this:
> >
> > start -----------------------------------------------------------------------------
> > end
> > front | offscreen | back | depth | textures | BCI queue | hwcursor
> >
> >
> > How do I limit the exa memory manager to just the offscreen portion?
> 
> 
> Erm... unless I totally misunderstood your question or the whole EXA
> memory manager concept, isn't that was
> EXADriverPtr->card.offscreenBase/memorySize is for? (Provided that you
> pre-allocate back, depth, textures, BCI queue and hwcursor.)
> 
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in each document using it.

Also remember US law on fonts is not the same as much of the rest of the
planet. GPL is just not a font license, and never should be used as one.

Secondly X and many of the Xorg users (notably some BSD's) specifically
want to avoid GPL material. Xorg has traditionally stayed "non-viral" so
this would be a very large change in policy.