Hi Martin,
> That is basically true. I want to get a feeling about DisplayLists and
> VBOs. I know that the display list is a precompiled sequence of OpenGL
> commands. That is the reason that I tought the display lists should be
> faster. But the question isn't the comparison, but the slow render
> performance when I want to use display lists. I think everything is
> wrong in my implementation. But I don't know what.
My point about system/graphics card memory is wrong. I thought
about glVertexPointer, but this call isn't even compiled into
a display list and shouldn't be used with one.
So OSG will most likely use glBegin/glEnd to put the vertex data into
the display list.
It boils down to what Mathias ;) said, it's an implementation issue,
dirty corner cases and driver developers don't optimize the
display lists anymore, because they're deprecated and just not used
that much anymore.
Greetings,
Daniel
--
Daniel Trstenjak Tel : +49 (0)7071-9457-264
science + computing ag FAX : +49 (0)7071-9457-511
Hagellocher Weg 73 mailto: daniel.trsten...@science-computing.de
D-72070 Tübingen WWW : http://www.science-computing.de/
--
Vorstand/Board of Management:
Dr. Bernd Finkbeiner, Michael Heinrichs,
Dr. Roland Niemeier, Dr. Arno Steitz, Dr. Ingrid Zech
Vorsitzender des Aufsichtsrats/
Chairman of the Supervisory Board:
Philippe Miltin
Sitz/Registered Office: Tuebingen
Registergericht/Registration Court: Stuttgart
Registernummer/Commercial Register No.: HRB 382196
_______________________________________________
osg-users mailing list
osg-users@lists.openscenegraph.org
http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
