Re: OpenGL and Direct Draw

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

do OpenGL have a 2D API or it's just 3D?

Laguna Loire wrote:

> On Sat, 11 Dec 1999, csovak wrote:
>
> > OpenGL is a 3D api from SGI, which uses the opengl drivers that your video
> > card may/may not support. It's generally faster than Direct3D, but it's not
> > supported as well.
>
> OpenGL is also the api of choice for graphical workstations/rendering
> workstations as opposed to DirectX. OpenGL is also a non-platform specific
> api, being able to be run on unix/linux systems or win9x/nt systems or
> macs, provided they have the necessary drivers installed on the system.
>
> While the number of supported cards isn't as great as that of DirectX,
> cards which are supported tend towards the higher end with a greater level
> of stability. Though stability issues may be more OS specific than api.
>
> > Direct3D is from Microsoft, and is part of their DirectX package. This api
> > is supported almost 100% by the 3d video card manufacturers, but is slower
> > in some cases than OpenGL. It all depends on the robustness if your drivers.
> > Right now, Direct3D pretty much dominates the API business, but that's not
> > to say that OpenGL sucks.
>
> Direct3D is MS Windows specific with support from a greater number of
> manufacturers and greater graphics card support.
>
> If you are programming for Windows specifically, there really isn't much
> incentive to use OpenGL. If you are programming with a wider audience and
> porting in mind, OpenGL may be a better api to use.
>
> Wing.
>
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--
Fernando Salas

fsalas@fibertel.com.ar
ICQ: 34207262


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