On Mon, Sep 13, 2010 at 13:17:09 +0200, Giel van Schijndel wrote:
> I've been looking into modifying the rendering code in such a way that
> it can be used to render on OpenGL ES (ES 2.0+ considering that I only
> have hardware to test that version) enabled devices.
> This however, would require significant changes to the drawing code.
> Keep in mind that these changes would be required for *pure* OpenGL 3.0
> as well, with "pure" meaning without the backward compatibility
> extensions.  The two most significant changes are:
>  * immediate-mode drawing would have to go (glBegin()/glEnd()),
>    replacing it with either VAs or VBOs
>   - which code-wise, are nearly the same thing, VBOs are just VAs cached
>     in video memory.

I already have a patch available [1] to remove (almost) all cases of
immediate-mode rendering.  Only one remains that is either implemented
buggy or depends on some obscure way that vertex attributes are

[1] http://developer.warzone2100.org/ticket/2172

"A clever person solves a problem. A wise person avoids it."
  -- Albert Einstein

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