Hello Josef,
On 01/26/2011 01:52 AM, Josef Grunig wrote:
> I was curious about how to enable Multi Sampling in OpenSG2 with FBO?
> I tryied the RenderOptions class or enabling it manually by calling
> glEnable(GL_MULTISAMPLE); with no success.
> Context is correctly initialized...
for an FBO to use multisampling the attached buffers would need to be
created with glRenderBufferStorageMultisample() and
glTexImage?DMultisample() respectively.
There is currently no support built into OSG::RenderBuffer and
OSG::TextureBuffer for these though, sorry. At least for
OSG::RenderBuffer it should not be very difficult to add this, for
OSG::TextureBuffer it would be a bit more tricky, mostly because you
would have to touch OSG::TextureObjChunk which already deals with a lot
of cases.
> Is that possible? Googleing I found some post about performance issues
> regarding MSAA and FBO...
hmm, don't know about this, I've not really used MSAA on an FBO.
Cheers,
Carsten
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