[Scummvm-devel] Re: [Scummvm-cvs-logs] CVS: scummvm/backends/sdl sdl_gl.cpp,1.37,1.38

[J.Brown (Ender)]

Is anybody aware of a machine WITH hardware accelerated GL that doesn't
have enough CPU to handle a 2xSai bilinear aspect corrected software
render?

I doubt it. My vote is to get rid of it.

 - Ender

   http://www.scummvm.org/   | "Amen! Attempts to eradicate humour from
   http://www.quakesrc.org/  |  our distribution should be ignored with
   http://www.enderboi.com/  |  extreme prejudice" - cjwatson at debian.org

On Mon, 23 Jun 2003, Max Horn wrote:

> Date: Mon, 23 Jun 2003 04:14:23 +0200
> From: Max Horn <max at quendi.de>
> To: Travis Howell <kirben at users.sourceforge.net>
> Cc: scummvm-devel at lists.sourceforge.net
> Subject: [Scummvm-devel] Re: [Scummvm-cvs-logs] CVS: scummvm/backends/sdl
>     sdl_gl.cpp,1.37,1.38
>
>
> Am Sonntag, 22.06.03 um 14:31 Uhr schrieb Travis Howell:
>
> > Aspect ratio works with all sclaers in opengl backend
>
> Hm, in my eyes those mods just rendered the SDL_gl backend completely
> pointless (well, before this, it was already mostly pointless :-). I
> think we should either undo them, or just ditch the backend, or try to
> come up with a better solution (don't see any right now).
>
> Just look at it: the only thing the OpenGL backend provides differently
> is the bilinear filter - which is crap. Even if somebody wants it, we
> can trivially implement it in software. OTOH. the main reason to use an
> OpenGL backend, speed via HW acceleration, was removed by your changes,
> since all scaling operations are now done fully in software (i.e.
> identical to the regular SDL backend).
>
> So, on the pro side: a crap bilinear filter which we can easily
> implement in SW, too
> On the con side: slower (at least on my system); after all, after doing
> all scaling in SW, we then in addition now have to copy the data into a
> texture, which then has to be uploaded to the graphic card, and
> rendered.
>
>
> As a side not, the GL backend now causes invalid malloc calls with COMI
> for me, and segfaults COMI as soon as I press Ctrl-Alt-A, Ctrl-Alt-B
>
>
>
>
> Max
>
>
>
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