[Bf-python] Non-blocking OpenGL animation rendering.

[Mohamed Sakr]

Hey Canpbell,

I know this is off topic And kinda jumping over the topic so I'm sorry
but I NEED your help to integrate my addon into the trunk

http://blenderartists.org/forum/showthread.php?284678-MSMesher



On Mon, May 27, 2013 at 12:48 PM, Campbell Barton <ideasman42 at gmail.com>wrote:

> No, there is no way to do this currently.
>
> And running operators from a thread isnt supported (as you already found)
>
> The reason is cycles and blender-internal make a copy of the data and
> operate on it, where as opengl render is just rendering the viewport
> to an offscreen buffer which makes it more tricky to do at the same
> time as the user interacting with the same view -without getting into
> problematic conflicts.
>
> On Mon, May 27, 2013 at 7:32 PM, Adhi Hargo <cadmus.sw at gmail.com> wrote:
> > Hi, everyone.
> >
> > I'm currently writing a custom preview render operator, internally
> > calling bpy.ops.render.opengl(). The problem is, opengl() runs
> > blocking (made the UI unresponsive) if called from another operator,
> > though it isn't if called directly from GUI. I see that executing it
> > runs the underlying C function, screen_render_exec, which is blocking.
> >
> > Is there any way to get non-blocking OpenGL render from Python code? I
> > haven't found any addon/sample that does this. Tried using
> > context.window_manager.invoke* functions, or running it in a separate
> > thread, but they crash Blender. If all else fails, I may have to spawn
> > new Blender process to do the job.
> >
> > Thank you in advance.
> >
> > --
> > - Adhi Hargo
> > _______________________________________________
> > Bf-python mailing list
> > Bf-python at blender.org
> > http://lists.blender.org/mailman/listinfo/bf-python
>
>
>
> --
> - Campbell
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