[GEM-dev] alpha

guenter geiger geiger at xdv.org
Thu Jul 31 22:32:19 CEST 2003


On Thu, 31 Jul 2003 cgc at humboldtblvd.com wrote:
> Quoting rat at telecoma.net:
>
> > thx a lot for checking and solving,
> > i guess gige is also looking for the problem, maybe we should inform
> > the
> > others that u found the problem ?

#ifdef COMPLAIN
Yes, I have been trying to look into it a bit, but the coding style is
really scary ....
There must be better ways to do that ?
#elif BE_NICE
Great that you found the bug ....
#else
#endif

Greetings,
Guenter

> >
>
> damn webmail interfaces. ;)  hopefully this will make it to the list.
>
>
> > On Thu, 31 Jul 2003 cgc at humboldtblvd.com wrote:
> >
> > > Quoting rat at telecoma.net:
> > >
> > > > more info:
> > > > the change which leads to the non alpha thingi
> > > > must have happend after 15th of may.
> > > > i m helping a student with a project and he uses the bogusfront
> > > > windows
> > > > binaries, and with the 2003-05-15 ones it still works.
> > > >
> > > > erich
> > > >
> > >
> > > Ok, this helped a ton in finding the problem.  In pix_texture I
> > hardcoded GL_RGB
> > > as the internal texture format, and forgot to add in the code to have
> > it switch
> > > on the fly.  The previous code for setting the internal GL format was
> > wrong, so
> > > I will try and correct this tonight when I get back on a GEM CVS
> > machine.
> > >
> > > If you need to fix this ASAP and can't wait for a commit, then change
> > the
> > > GL_RGB8 in glTexImage2D to GL_RGBA (it's about line 265 in
> > pix_texture).
> > >
> > > Sorry about this, I was mainly trying to assure the fastest possible
> > YUV and
> > > rectangle texture path on OSX and forgot to test alpha functions
> > before the commit.
> > >
> > > cgc
> > >
> >
> >
>
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