Re: [Mesa3d-dev] Proposed new DD texture interface

[Gareth H. <ga...@va...>]

Brian Paul wrote:
> 
> I've just checked in my first round of texture interface changes.
> 
> Drivers can now hang their texture image data off of the gl_texture_image
> struct's Data pointer.  The FetchTexel() function pointer in the
> gl_texture_image struct is now used to fetch texels by the software
> texturing code.
> 
> The device driver functions for glTex[Sub]Image() have changed.  They
> no longer return true/false for success/failure.  There are fallback
> functions for these Driver functions in src/texstore.c.
> 
> I haven't implemented a gl_texture_format structure as Gareth suggested.
> After Gareth's overhauled the texutil.c code that may be useful, but
> I'm not sure it'll be necessary.  As it is now, the driver's TexImage2D
> function (for example) simply has to fill in the RedBits, GreenBits,
> etc and FetchTexel() fields in struct gl_texture_image and core Mesa
> is happy.

I'm pretty close to being done with the overhaul, so I'll be able to
merge the work back into Mesa CVS soon.  I just have to make sure the
drivers are sane.  I'll bring your changes into my DRI branch first, so
feel free to check it out.

-- Gareth