Make intermediate buffer optional

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Someone on the forum argued it is a big overhead... got to check if we can 
easily switch it on/off.

Original issue reported on code.google.com by michael.broutin@gmail.com on 24 Jan 2011 at 7:10

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[deleted comment]

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What I'd like to do for this issue:
- Keep the intermediate buffer : it could be useful later on (attaching tags 
and other logical info to vertices), but with an option to have direct output.
- Get rid of ManualObject : it's very useful and easy to use to begin with, but 
it's yet another layer of vertices buffering...

Original comment by michael.broutin@gmail.com on 12 Aug 2011 at 7:23

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Even if ManualObject is gotten rid of, there should still be "dynamic mode" : a 
mode where you can easily tweak parameters of a generator, and see the result 
immediately, without necessarily recreating the hardware buffers.
Example use case : you want to draw a road in sim city game, and see the result 
of your editing as you move the mouse cursor.

Original comment by michael.broutin@gmail.com on 14 Feb 2012 at 5:16

• Added labels: Type-Enhancement
• Removed labels: Type-Defect