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Where can I find beginner info on working with a Geometry Shader with an Output Stream?

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Hello,I read some threads about using a geometry shader to cull vertices that are not inside a view frustum,however I can't find a basic explanation or tutorial of how to set it up anywhere.I can't find it in the SDK examples either.Anyone have a source for a tutorial or demonstration of it?Is it really faster than CPU culling,cause the other culling method,that actualy was in the sdk(DrawPredicated) ran slower with the feature turned on than when not culling.

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[source lang="java"][url="http://msdn.microsoft.com/en-us/library/windows/desktop/bb205122"]http://msdn.microsof...esktop/bb205122[/url][/source]


[url="http://msdn.microsoft.com/en-us/library/windows/desktop/bb509609"]http://msdn.microsof...esktop/bb509609[/url] Edited by lomateron

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[quote name='lomateron' timestamp='1348636916' post='4983890']
If you have directx SDK intalled click start on windows and search>directx documentation c++>tutorials and samples >direct3D10 >shader tutorials>tutorial 13


[url="http://msdn.microsoft.com/en-us/library/windows/desktop/bb509609"]http://msdn.microsof...esktop/bb509609[/url]
[/quote]

yeah I checked that one out,but I was interested in learning about this whole output stream business,which doesn't seem to be covered in tutorial 13

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