Re: DRI integration

Lionel Ulmer wrote:
> On Thu, Nov 13, 2003 at 03:39:33PM -0700, Brian Paul wrote:
> 
>>That said, there's nothing to prevent the development of a GLX 
>>extension that might expose the framebuffer or off-screen image 
>>buffers to clients via mmap'ing or some other technique.  Again, this 
>>may not be feasible on some hardware.
> 
> 
> A bit off topic, but well, said extension (if possible) would greatly help
> us poor Wine developpers to handle the 'nice' possibilities of Direct3D
> (where, basically, the 3D framebuffer is just another surface which the
> application can write to directly). And, even worse, the same is the case
> for the ZBuffer (which completely kills performance when emulating it using
> GL).

I wonder how this works.  The radeon, for instance, doesn't have a linear 
layout of the z buffer, so writing to it will not give expected results 
(whatever those might be).

Keith