I'm trying to add layer filters to a Qt3DRender::QForwardRenderer (C++). I'm constructing a Qt3DRender::QLayerFilter as a child of the forward renderer. I would expect (based on looking at the code) that doing only that should result in no geometry being rendered at all. Even if I set the layers to something reasonable, all the geometry is still being rendered.
(Aside - there's a comment in the code isEntityInLayers() in renderview.cpp: "Should we treat lack of layer data as implicitly meaning that an entity is in all layers?". IMHO - yes.) I see two examples which seem to add the QLayerFilter in different places - the wave example adds it to Viewport -> CameraSelector and the deferred renderer adds it directly to the DeferredRenderer (a QViewport). The deferred render example just displays a black screen for me, so maybe that's not in the right place? If it is supposed to be on the QCameraSelector is there a way to get that from the QForwardRenderer (C++)? Where/how do I add the QLayerFilter to a forward renderer to actually filter the geometry? Thanks for any insight! (I'm building on the Qt 5.6 branch, so qt3d SHA 44c743c90c.) P.S. Any chance we'll see more Qt3D docs soon? Spelunking the code is good, but would be nice to have some high-level info about these classes. - Andy
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