I switch my compile mode from Debug to Release and speed of rendering
to 256*256*256 3D texture gets up from 5 fps to 30fps!!!!!
Ulrich Hertlein wrote:
Quoting hesicong2006 <[EMAIL PROTECTED]>:
I think another way should be possible:
Only one RTT camera, under it there are 256 pieces of slice to render.
When render Nth slice, change RTT camera's Z index to N. Is it possible
to use osg::StateSet to do so?
I was actually wondering whether the nvidia demo only renders one or a few
cameras each frame to get to 60 Hz.
What you propose makes sense but not only would you need to change the target Z
slice but also aspects of the scene you're rendering. Otherwise you get the
same result for each slice which is probably not what you want.
Try attaching an UpdateCallback to setup the slice each frame, I don't think it
can be done in the StateSet.
Cheers,
/ulrich
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