Re: Depth buffer option

[James W. W. <os...@jw...>]

On Jun 4, 2004, at 5:59 AM, Roger Holmes wrote:

> I've had a couple of days off so I'm in catch up mode. Have I missed 
> something? Can an application access the
> depth buffer? I thought it was private to the renderer, I think the 
> one in my renderer is. If it is private, there seems
> very little point in having uninitialised garbage in there before you 
> render. I seem to be missing the point totally.
> Can someone please explain.

Of course you don't want it uninitialized.  To achieve a particular 
special effect, I needed to render some stuff, then make the depth 
buffer read-only, not clear the depth buffer, and render some more 
stuff.
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