Hi,

> hmm during draw it should, could you dump what wglGetCurrentDC() and
> wglGetCurrentContext() return at that point ?

Looks quite correct.

> Another question you don't shadow OpenSG objects ?, e.g. have an OpenSG
> property but upload the data outside OpenSG. I changed some code in
> this path (e.g IIRC something did not work as expected) so I might have
> enabled something that interferes with what you do. If you can, could
> you go back to before version 2153 as this one does the initial vbo
> code
> path changes.

If I understood correctly then no I don't shadow OpenSG objects. Just to be
absolutely clear, I do all the
glGenBuffersARB, glBindBufferARB, glBufferDataARB and glBufferSubDataARB
stuff myself, but the whole thing is contained in a FC.

> > It logs some GL errors though for wglGetPixelFormat before crashing,
> at some
> > point where no window seems to exist.
> 
> ok. Could you send me the partial log and if possible the callstack of
> the crash (direct is ok).

I threw it away because it looked so absolutely not helpful to me. Of course
I can generate a new one. The callstack was not helpful either, it did not
contain any of my code, but the nvidia driver iirc.

Could this have something to do with multithreading? Is the OpenGL context
in OpenSG accessed from multiple threads?
It must have something to do with Windows 7 though (or the Win7 driver), the
display code did not change in the last 6 month ...

Aloha, Andi


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