FGFS-4.1/OpenSceneGraph
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Added check for camera's sharing the same RenderSurface, if so switches off

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multi-threading of cull and draw.
This commit is contained in:
Robert Osfield 2003-04-23 09:59:08 +00:00
parent b6327e777c
commit 341fa340ce
1 changed files with 20 additions and 0 deletions
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20
src/osgProducer/OsgCameraGroup.cpp
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@ -379,6 +379,26 @@ bool OsgCameraGroup::realize()
osg::notify(osg::INFO)<<" to avoid threading problems in osgParticle."<<std::endl;
_thread_model = Producer::CameraGroup::SingleThreaded;
}
else
{
std::set<RenderSurface*> renderSurfaceSet;
for( unsigned int i = 0; i < _cfg->getNumberOfCameras(); i++ )
{
Producer::Camera *cam = _cfg->getCamera(i);
renderSurfaceSet.insert(cam->getRenderSurface());
}
if (renderSurfaceSet.size()!=_cfg->getNumberOfCameras())
{
// camera's must be sharing a RenderSurface, so we need to ensure that we're
// running single threaded, to avoid OpenGL threading issues.
osg::notify(osg::INFO)<<"Warning: disabling multi-threading of cull and draw to avoid"<<std::endl;
osg::notify(osg::INFO)<<" threading problems when camera's share a RenderSurface."<<std::endl;
_thread_model = Producer::CameraGroup::SingleThreaded;
}
}
}
_initialized = CameraGroup::realize();