Hello Michael,
On 09/25/2014 04:00 PM, Michael Raab wrote:
> I'm using a passive window with a FBOViewport attached to create
> screenshots. Works great, but while searching for a memory leak, I found
> out that the FBO attached to the FBOViewport gets not cleaned up.
> The OpenSG FieldContainers for the FBO, FBOViewport and PassiveWindow
> get destructed but glDeleteFramebuffer or glDeleteFramebufferEXT are
> never called. This should be done by FrameBufferObject::handleDestroyGL
> but this never gets called. Actually I don't know why?! Could someone
> please have I look?
is the Window going away at the same time as the FBO? In that case there
is no Window::doFrameExit run after the FBO is destroyed, so there is no
period where the OpenGL context is active and the corresponding GL
object can be cleaned up - in general GL objects are only destroyed at
the end of the (following) frame.
To allow the Window to perform this cleanup without rendering a frame
you can call Window::runFrameExit.
Cheers,
Carsten
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