Hi Enrico,
Enrico Borrione wrote:
Hi opensg users,
i have a little question about a problem that has
kept bugging me this afternoon: how do I sort
the rendering order of different viewports?
I explain my problem: I want to display a
Shadow mapped scene inside an enclosed room.
Since I can’t render all the geometry in the
same viewport (I don’t want the ceiling to cast a shadow over
the whole underling stuff), I decided to render
the ceiling into a passive viewport and the rest of the room into
a shadowmap viewport.
If I keep shadows off, all seems fine. If I switch the shadows on,
The ceiling is rendered on top of the room, actually erasing all the
pixels it covers.
Is there a way to be sure that the two viewports cooperates
happily without so much z fighting? Thanks!
What kind of Background do you use on your second Viewport? You should
use a PassiveBackground, which just leaves the depth buffer alone. Which
order do add youur viewports to the Window? That defines the order
they're renderd in. I would put the ShadowViewport first, and the
ceiling Viewport later.
Hope it helps
Dirk
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