Re: [Mesa3d-dev] shadow extensions

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

Brian Paul wrote:
> 
> While working on the texture image code I had to fix some
> things related to color index (paletted) texture images.  That
> got me thinking about other texture formats like depth textures.
> So, I implemented the GL_SGIX_depth_texture extension and then
> GL_SGIX_shadow to exercise it.  GL_SGIX_shadow_ambient was a
> simple addition on top of that.
> 
> ...
>
> My implementation isn't 100% complete either.  Right now, the
> depth texture is only sampled with nearest/nearest filtering
> and the texels are always stored as floats.  I'll try to fix
> those things in the not-too distant future.

Great work!  I remember talking about this with you at SIGGRAPH last
year -- I'm really interested in checking this out.

-- Gareth