[SDL] SDL_Surface -> OpenGL texture only works with RGBA?

Johannes Bauer dfnsonfsduifb at gmx.de
Fri Dec 7 07:27:12 PST 2007

Matthias Weigand schrieb:

> I think you have a problem with the GL_UNPACK_ALIGNMENT parameter of 
> glPixelStore. Your color data is tightly packed within memory. OpenGL 
> defaults to unpack image rows with a 4 byte alignment, which is given in 
> case of RGBA data.
> Try to set the GL_UNPACK_ALIGNMENT to 1.

That was it! Thank you so much, that's awesome! :-)


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