[PD] [GEM]: multiple gemwin
Tom Schouten
doelie at zzz.kotnet.org
Wed Sep 8 21:06:36 CEST 2004
On Wed, Sep 08, 2004 at 11:48:52AM -0500, chris clepper wrote:
>
> This will probably be possible at some point, but there are other very
> interesting reasons for multiple render targets - things like rendering
> to surfaces and textures that we are really looking forward to having.
>
indeed. this is very interesting stuff.
in principle it allows you to run the entire image processing engine
with offline buffers or textures on the gpu.
i tried some of these with 3dp 0.12 but got into some problems with glx.
however, doing multipass rendering to a part of the window does work.
it is fast and it is standard GL, and used in a lot of 3d apps. the only
problem with this is that it only works if the render window is on top.
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