Re: DirectX and OpenGL

[Fernando Salas <fsalas@fibertel.com.ar>]

AFAIK(from reading) what u said is correct, it does 2D aceleration , but some
effects and blending modes need to be done using the 3D pipe

"Dournaee, Blake" wrote:

> Thanks Brian,
>
> Now for a follow-up question: Please bear with me, I’m new to graphics
> programming but am not a total newbie.
>
> Does DirectDraw support hardware acceleration for 2D graphics? Meaning, can
> I pull in a bunch of hicolor textures on a 2D space?
>
> This is obviously done in a 3D space all the time, but I haven’t seen it
> done on a 2D game yet. It seems like it would not only improve the
> performance but make things much prettier. It seems to me that some of the
> effects (such as lighting and fog) require a 3D space.
>
> Thanks guys,
>
> Blake
>
> -----Original Message-----
> From: Brian Holley [mailto:comp_brain@hotmail.com]
> Sent: Tuesday, June 27, 2000 2:04 PM
> To: gameprogrammer@gameprogrammer.com
> Subject: RE: DirectX and OpenGL
>
> You might have already received your answer, but here goes anyway:
>
> DirectDraw (for DirectX) is fairly easy to set up.  You can go to any number
>
> of sites (http://www.gamedev.net is a good example) to get info on how to
> program DirectDraw for 2D stuff.
>
> I personally have not used Direct3D, but I've worked with people who have
> used both D3D and OpenGL for 3D stuff, and they all have said that Direct3D
> is a pain to use.
>
> So, in conclusion, I would say that for a 2D Baldur's Gate clone, you would
> be better off using DirectDraw (unless of course you wanted your game to run
>
> on platforms other than Windows, but that's another issue)
>
> Okay, that's my $.02
> -Brian
>
> >I looked around and there seems to be a lot of good information on OpenGL,
> >but as you say, very little on DirectX. I'm going to be writing a 2D
> >overhead view game (a view similar to say, Baldur's Gate).
> >
> >Is DirectX going to be that much faster for 2D that warrants *not* using
> >OpenGL which looks like it might be easier to use?
> >
> >Thanks,
> >
> >Blake
> >
> >
> >-----Original Message-----
> >From: Brian Holley [mailto:comp_brain@hotmail.com]
> >Sent: Monday, June 26, 2000 8:34 PM
> >To: gameprogrammer@gameprogrammer.com
> >Subject: Re: DirectX and OpenGL
> >
> >
> >I'm not very experienced with OpenGL, but I do know that in 3D, OGL kicks
> >D3D badly.  However in 2D, DD's blitter is much faster than OGL, so what
> >you
> >
> >use depends on what type of game you're making.
> >
> >Oh, and DirectX is only Windows, and to my knowledge, OGL is everything,
> >Unix, Linux, Windows, or anything else.
> >
> >-Brian
> >
> > >Hello,
> > >
> > >Can someone tell me the difference between DirectX and OpenGL? They are
> > >both
> > >2D/3D graphics API's, correct? One is made by Microsoft and one is
> > >open-source. Is this correct?
> > >
> > >Is there a particular advantage to using one over the other?
> > >
> > >
> > >Blake
> > >
> > >
> > >
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