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From: Gautier write-only <gautier_niouzes@hotmail.com>
Newsgroups: comp.lang.ada
Subject: Re: OpenGL and QtAda 3.1
Date: Thu, 14 Jan 2010 07:05:34 -0800 (PST)
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Date: 2010-01-14T07:05:34-08:00
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On 14 Jan., 10:00, Vadim Godunko <vgodu...@gmail.com> wrote:
> On Jan 13, 9:40=A0pm, Alexis <jose_alexis_paez_thurg...@hotmail.com>
> wrote:
>
> > I'm interested in using OpenGL with QtAda on Windows and GNAT 2009. So
> > far I have managed to subclass a Q_GL_Widget, but OpenGL support seems
> > to be lacking, thus I cannot call any glXXX functions like
> > glClearColor.
>
> > In the past I have managed to use OpenGL with Ada using the Win32
> > bindings in Win32Ada, but I'd like to do it in a "proper" and portable
> > way for Qt. From checking the MSVC version it seems that Qt in Windows
> > falls back to whatever native OpenGL implementation it can find on the
> > machine. I guess this is what we should do in QtAda?
>
> OpenGL is portable by its nature, except the interface with underling
> OS/window system. Qt just fill this hole and provide portable way to
> construct OpenGL window and handle events. Thus, you still need to use
> some OpenGL binding to access to portable part of OpenGL API.

For instance, an (probably, the) OpenGL binding with Ada-like names,
types and overloading.
You find it under ./bindings (plus I/O facilities in ./src/gl/gl-io.*)
in the following project:
http://globe3d.sf.net
Cheers
______________________________________________________________
Gautier's Ada programming -- http://gautiersblog.blogspot.com/