Re: Re: [Dri-devel] Re: [Linux-fbdev-devel] Redesign of kernel graphics interface

[Mike Mestnik <cheako911@yahoo.com>]

I could be wrong, but is not allocating framebuffers and mmaping memory
diffrent than setting up framebuffers and configuring DACs?

--- Jon Smirl <jonsmirl@yahoo.com> wrote:
> It's not just bloat, the network code is used millions of times per
> second. Mode
> setting happens occaisonally. 
> 
> The other problem is memory management. What is going to happen when
> fbdev
> starts setting the mode for both heads? Who is going to mananage the
> VRAM when
> the buffers get resized? OpenGL has a very complex memory management
> scheme
> where things can migrate from VRAM to AGP to system memory.
> 
> --- James Simmons <jsimmons@infradead.org> wrote:
> > 
> > > You are mixing things. Mode setting has nothing to do with
> rendering. OpenGL
> > > is a rendering client. It produces commands sent to the low level
> kernel
> > > driver and provides a 3D API, but it's not the only one. In this
> regard,
> > > fbcon is a client too and XFree 2D accel is another one.
> > 
> > But we are rendering to draw fonts, clearing a area of the
> screen,copyarea.
> > If we are to have a universal solution it needs to OpenGL. Either that
> or 
> > mode switching stays in the kernel.  
> > 
> > Speaking of bloat in the kernel. When will the crypto and TCP/IP stack
> be 
> > moved to userspace. The networking code alone is over 17 megs in size.
> 
> > Bloat bloat bloat. 
> > 
> > 
> > 
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> 
> =====
> Jon Smirl
> jonsmirl@yahoo.com
> 
> 
> 	
> 		
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