Carsten Neumann ha scritto:
> Hello Vincenzo,
>
> Vincenzo Marafioti wrote:
>
>> I had experienced some memory leak due to FBOViewport render and
>> setDirty(bool).
>> Here some OpenSG 1.8 code lines taken from OSGFBOViewport.cpp
>>
>> ...
>> bool FBOViewport::initialize(Window *win, Int32 format){
>> ...
>> if (getFrameBufferIndex() && !getDirty())
>> return true;
>> //generating new fbo, render buffer.. ect.
>>
>> ..
>> }
>> ...
>>
>> I realize that when I need to setDrity(true) (for example to resize
>> FBO), OpenSG will generate a new FBO without clears the previous one. It
>> is correct? There are some methods in order to clear it and avoid memory
>> leak?
>>
>
> yes, it looks like that is indeed the case and I'd say it is a bug.
> initialize() should handle the case when getFrameBufferIndex() != 0 by
> either reusing the existing FBO or at least free it and allocate a new one.
> I'm fairly swamped at the moment, so it will be a couple of days at
> least before I can look into it, perhaps you'd like to take a stab at
> this and send a patch?
>
> Cheers,
> Carsten
>
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Thank you very much for the hints. Unfortunately for the moment I am
quite busy too, I had just reduced the number of setDirty(true) so the
mem. leak is evident only after a resize. I could try to patch it in the
next week if nobody has fixed it before.
Have a nice day.
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