Black frames when composite output node even with disabled nodes
Closed, ResolvedPublic


using ubuntu linux 64bit r41009.

I was messing around with a file and noticed that my frames all outputted black frames. After some investigation, it seems that even though "use nodes" was disabled, a left behind render output node was causing the frames to render black (since nothing was connected to it). I also noticed that when rendering an animation, the image editor was quickly showing a black frame and then showing the rendered output (very quick flicker), this after I had manually set the image editor to the render output instead of the composite layer that it defaulted to after having enabled "use nodes" briefly.

The attached file should be a good test. Just open the file and start rendering an animation.

Another quirk I noticed that isn't really related was that if you open a fresh blender and go to comp nodes and use Shift-A to add a node without having enabled "use nodes" at least once, then all the menus are blank.

Hope this helps.



Here's link to possible fix: We're on codefreeze now, so only release critical fixes are getting commited.
That behavior of Shift-A is intended, probably not very useful but it's just how compositor works.

Ah, good to know about Shift-A, thanks.

As for patch, I tested against same blend attached and seems to work fine!

Patch commited to svn revision41139. Thanks for the report, closing now.

Sergey Sharybin (sergey) closed this task as "Resolved".Oct 20 2011, 10:33 AM