[Bf-cycles] Blender Viewport performance issue after Cycles render (Example test blend)
db4tech at yahoo.co.uk
Mon Jun 24 04:30:48 CEST 2013
No problem Brecht (received your reply after sending my other two messages).
* Can anyone else confirm this problem?
For any developers interested in testing for this issue, please find a
link below for a basic example test blend which illustrates the issue
with recent versions of Blender. My tests were performed with Windows 7 x64.
* Upon opening the scene, rotating the Viewport view should be smooth.
* Press F12 to render, once titles begin to appear, press Esc to
return to Viewport view (does not matter if render completes).
* Rotating the Viewport will probably now be quite slow.
* Changing Viewport shading to Texture, then back to Solid fixes any
Rendering with Emitter ticked (Particles panel) and the issue is not
Testing this scene with Blender 2.67-r57293-win64, Blender 2.67b and
there is no Viewport slowdown after F12 Cycles render.
PS: Scene is not designed to be accurate or to scale, just a simple
method of creating a complex object group for this example blend.
On 23/06/2013 23:49, Brecht Van Lommel wrote:
> No, I think we have enough info for now.
> On Sun, Jun 23, 2013 at 11:17 PM, David Black <db4tech at yahoo.co.uk> wrote:
>> Would you still like me to test Viewport performance after F12 Cycles render
>> with a GTX 580, once data backup is finished?
> Bf-cycles mailing list
> Bf-cycles at blender.org
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