Hi,
Sebastien Nerig wrote:
Hi Robert
Well, if I have asked something to this forum, this is because I have
already investigated and I have found no solutions by myself. I just
wanted to know if someone else has accountered this problem and if a
solution has been found - I think a forum is for sharing problems and
solutions - but if I am the only one to have this opengl memory
overflow problem, so I must be the only one to use nvidia card and
pre rendering pass with osg :|.
No, I'm quite sure you are not.
We have a variety of NVidia cards (from laptops with 6 Series to newer
GTX280s) with a variety of drivers (179 - 185) and OSG versions (2.8 to
newest dev), and are using pre-render a lot for image processing. We are
not getting any errors.
Explain a bit more of what you have tried. OSG version? OS? Does
osgprerender by itself give errors? What are you doing in your shaders?
Sizes of images? Render target formats? How much memory on the card?
By the way, the application is very simple because it is the
osgPrerender example, and, as I said, the "opengl memory overflow"
happens when a pre rendering pass is done into a fbo. I have a pretty
good nvidia graphic card with the last driver (190.38, august 2009).
I cannot try other hardware and if a solution is to downgrade
drivers, I won't do that...
If you can post the app, or a downscaled version that still shows the
error, I can test it here and report back.
jp
Well, if one day I find a solution I will share
Sebastien
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