OpenGL renders incorrectly

[Andre Bleau]

Let the plain truth be known: there is _no_ cygwin implementation of 
OpenGL. The OpenGL package for Cygwin contains only headers that allow gcc 
to correctly link with the opengl32.dll that comes with Windows or the one 
that has been installed with your video card drivers. It is the exact same 
implementation of OpenGL that is used by VC++.

So if there is a run time error with your program with gcc but not with 
VC++ on the same computer, it can only be a fault with how OpenGL is 
called, not with how OpenGL is implemented. One likely cause is 
uninitialized variables that luckily get proper values with VC++, but not 
with gcc.

André Bleau, Cygwin's OpenGL package maintainer.

email: bleau at igb dot umontreal dot ca
(Fight SPAM: encode your email-address)

Please address all questions and problem reports about Cygwin's OpenGL 
package to cygwin@cygwin.com .


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