On Tue, Jan 28, 2003 at 11:01:53PM -0500, Leif Delgass wrote:
> On Wed, 29 Jan 2003, Arkadi Shishlov wrote:
> > - 'Texture environment modes: GL_BLEND is done in software..' - mean
> >   glTexEnv(GL_BLEND) is software. GL_DECAL is hw accelerated.
> >   GL_MODULATE with GL_LUMINANCE_ALPHA is software.
> 
> Right.  GL_BLEND texture environment is not possible on mach64.  Also, the
> card can't modulate alpha values when texturing, so texture environments
> where Final A = A fragment * A texture aren't fully compliant, e.g.  
> GL_MODULATE with GL_RGBA textures.  The case of GL_MODULATE/GL_RGBA is not

What do you mean by aren't fully compliant? Final A = Fragment A or
Final A = Texture A? It looks like Fragment A..


arkadi.


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