[SDL] can't using video driver

Sam Lantinga slouken at devolution.com
Tue Jan 21 21:33:01 PST 2003


> > hi all,

> > if compile sdl for nano-x ,must the environment variable SDL_VIDEODRIVER
> > be set? if it does,how to then?
> > because when running the demos in subdirectory "test",sdl can't be
> > initialized.

> > And I found that in the file SDL.c,the return value of
> > the function 'getenv("SDL_VIDEODRIVER")' is NULL.

> > how to solve it then??

> Run the code under the debugger and find out what video driver is
> being selected, and step into the Nano-X initialization function to
> find out why it's failing.  I've never used Nano-X myself so I don't
> have any more insights.

Oh, and if you can't run the code under a debugger for some reason,
use the tried and true method of sticking printf statements in key
portions of the code and seeing what's going on that way.

See ya,
	-Sam Lantinga, Software Engineer, Blizzard Entertainment




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