Mail Archives: djgpp/1997/09/03/21:49:39
In group comp.graphics.api.opengl, Angus Dorbie says...
> sumatose AT NOSPAM DOT usa DOT net wrote:
> >
> > In group comp.graphics.api.opengl, Chris Hecker says...
> > > frenchc AT cadvision DOT com (Reham) writes:
> > > >Nowhere in the OpenGL spec did I
> > > >find anything remotely similar to DX3D 5.0's Immediate Mode DrawPrimitive,
> > > >...
> > > >OpenGL has no Immediate Mode anyways, that I can see --
> > >
> > > Uh, this is a joke, right?
> > >
> > > Chris
> > >
> > It's clear he's confused between retained and immediated mode..
> > and didn't find vertext arrays in OpenGL 1.0.
>
> You mean display lists I hope. But even these aren't what most
> mean by retained mode.
Not that it's worth dragging this thread on 8-), .. but I did
mean vertex arrays. That was in response to his claim that there
was no equivalent to DrawPrimitive, which makes sense only if he
meant there was not way to batch triangle info from a buffer in
memory to the API.
> > And to think the first lines of the post were so good! 8-)
>
> Yes I laughed, I don't think there's a clear understanding
> of the need for common, powerfull, flexible and extensible
> hardware abstraction.
>
> An API is there as an easy to use abstraction layer, and if
> it's a "hellish orgreish thing to try and actually accomplish
> anything" then it is not "a decent API".
>
> Sorry for spelling this out I felt the need.
Hey, gotta plug your stuff, Angus! 8-)
> Cheers,Angus.
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