Re: [Mesa3d-dev] texutil updates

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

Gareth Hughes wrote:
> 
> Brian Paul wrote:
> >
> > Don't remove the original case.
> >
> > GL_BGR / GL_UNSIGNED_SHORT_5_6_5_REV is equivalent to GL_RGB /
> > GL_UNSIGNED_SHORT_5_6_5.  In both cases, the component packing
> > in the GLushort is RRRRRGGGGGGBBBBB.
> >
> > So, the condition should be:
> >
> >  if ((srcFormat == GL_RGB && srcType == GL_UNSIGNED_SHORT_5_6_5) ||
> >      (srcFormat == GL_BGR && srcType == GL_UNSIGNED_SHORT_5_6_5_REV)) {
> 
> Hmmm...  I'm going to have to read the spec a little more closely.  Given the
> fact that it's 4:30am over here this is frying my brain ;-)

Okay, found the relevant section and I get it now...

-- Gareth