[GEM-dev] alpha

[cgc at humboldtblvd.com]

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 ?
> 

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
> > 
> 
>