Thank you so much. You provided all the help I needed. I’ll follow all your 
suggestions, and have already opened a DTS with Apple’s own sample code as a 
demo of the problem. In past experience with them, If the issue is an Apple bug 
- they usually “refund” you a DTS incident. 

One curious thing though — weren’t apple coming off openGL and didn’t they 
claim Mac OS El-Capitan is all “Metal” now? 

B.T.W - for some strange reason my e-mails to the list appear twice — I don’t 
know who is duplicating them… 

> On 8 בפבר׳ 2016, at 10:55 אח׳, Ken Thomases <k...@codeweavers.com> wrote:
> 
> On Feb 8, 2016, at 2:41 PM, Motti Shneor <su...@bezeqint.net> wrote:
>> 
>> […] I see strange warnings in the console: "Fallingback to pbuffer. FBO 
>> status is 36054” for every captured video frame (30 a sec…). 
> 
>> Can someone tell me what is the source of this error line? what is FBO, and 
>> what has fallen-back? where is a documentation of the error, and is there a 
>> workaround the problem?
> 
> FBO is framebuffer object, a feature of OpenGL, which Core Image is using 
> under the hood.  The status is GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT.  Due to 
> the problem using an FBO, Core Image has switched (fallen back) to using a 
> PBuffer (pixel buffer), an old, deprecated feature of OpenGL, instead.
> 
> I'm afraid I don't know why using an FBO has failed.  You might try the 
> mac-opengl or quartz-dev mailing lists.  You can also open a bug report with 
> Apple and then open a developer technical support incident with them asking 
> for a workaround for the bug.
> 
> Regards,
> Ken
> 


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