Hello,
I've got a Java program which during an object's finalizer deletes an
osg Viewer object. From what I understand, this may be occurring a
different thread than the thread the viewer was originally created in.
Upon deletion of the viewer, I get the following error:
Windows Error #170: [Screen #1]
GraphicsWindowWin32::makeCurrentImplementation() - Unable to set current
OpenGL rendering context. Reason: The requested resource is in use.
The callstack is:
osgViewer::Viewer::~Viewer -> osg::GraphicsContext::close ->
osg::GraphicsContext::makeCurrent ->
osgViewer::GraphicsWindowWin32::makeCurrentImplementation
From the look of it, another thread must currently has the opengl
context current. However, the main thread isn't calling 'update' or
something like that at this point, and is basically complete.
I'd like to know if there is a way to do this properly with multiple
threads? Is OpenSceneGraph careful with how it uses an OpenGL context
such that it can be shared by multiple threads, or is it just assumed
that all such work is in a single thread?
- Eron
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