[SDL] Surface vs Texture - optimal usage

Gabriel Jacobo gabomdq at gmail.com
Tue Oct 15 08:44:21 PDT 2013


2013/10/15 T. Joseph Carter <tjcarter at spiritsubstance.com>

> Apparently I was wrong.  I'd considered that OpenGL ES was a proper subset
> of the desktop OpenGL.  Apparently that's not true without a few #ifdef's.
>  And thought OpenGL ES v2 is closer to OpenGL 2.1, you wind up needing
> OpenGL 3.x for shader compatibility.
>
> Suddenly why there are three variants makes sense.  :)  Luckily on my end
> I can test all three under Linux because VMWare accelerates Mesa well
> enough.  :)  If you're on Linux and using a binary video driver you
> probably can't.  :(
>
> Joseph
>


nVidia binaries for Linux (and SDL!) support all three variants of OpenGL
via GLX, though ES1 just barely. They've also incorporated EGL support
recently, restricted to X11 for now. I don't know if this is thanks to
Valve or not, but it's definitely a big improvement.

-- 
Gabriel.
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