[Flightgear-devel] Re: Never ending story: Building SimGear CVS under Cygwin

2005-10-02 Thread Alex Romosan
Richard Harke [EMAIL PROTECTED] writes:

 freeglut is an alternative to glut, not to OpenGL mesa is an
 alternative to OpenGL but it does not have the performance required
 for FG Normally you need to get 3D accelerated drivers from the
 vendor of your video card, Nvidia or ATI, for example.

this is wrong. i use mesa and the open source radeon 3d drivers (out
of mesa) together with xorg and drm from cvs and i can run flightgear
on my laptop (an ibm thinkpad t40 with an ati firegl 9000 card)
without any problems. the open source drivers are actually faster than
the ati ones because i can run them at 16bpp (the ati drivers run only
at 24bpp). oh, and i can suspend my laptop which is impossible with
the ati drivers.

so please don't spread such nonsense. first of all, mesa as an opengl
implementation is completely different from mesa providing 3d
acceleration. second, for supported cards (which are quite a lot of
them, with the exception of nvidia cards) the open source 3d drivers
are very good.

--alex--

-- 
| I believe the moment is at hand when, by a paranoiac and active |
|  advance of the mind, it will be possible (simultaneously with  |
|  automatism and other passive states) to systematize confusion  |
|  and thus to help to discredit completely the world of reality. |

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Re: [Flightgear-devel] Re: Never ending story: Building SimGear CVS under Cygwin

2005-10-02 Thread Richard Harke
On Sun October 2 2005 10:39, Alex Romosan wrote:
 Richard Harke [EMAIL PROTECTED] writes:
  freeglut is an alternative to glut, not to OpenGL mesa is an
  alternative to OpenGL but it does not have the performance required
  for FG Normally you need to get 3D accelerated drivers from the
  vendor of your video card, Nvidia or ATI, for example.

 this is wrong. i use mesa and the open source radeon 3d drivers (out
 of mesa) together with xorg and drm from cvs and i can run flightgear
 on my laptop (an ibm thinkpad t40 with an ati firegl 9000 card)
 without any problems. the open source drivers are actually faster than
 the ati ones because i can run them at 16bpp (the ati drivers run only
 at 24bpp). oh, and i can suspend my laptop which is impossible with
 the ati drivers.

 so please don't spread such nonsense. first of all, mesa as an opengl
 implementation is completely different from mesa providing 3d
 acceleration. second, for supported cards (which are quite a lot of
 them, with the exception of nvidia cards) the open source 3d drivers
 are very good.

 --alex--
I guess I should have stopped after saying that freeglut does not replace 
OpenGL. I didn't realize that there was such an improved 3D mesa. I run
an Nvidia card and have had reason to look into it.

Richard

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