Missing vertices in GS output

Hi! I’ve been learning geometry shaders for a while and got stuck with this - I’ve connected Surface3D (contribution:3d-surfaces) output to Box_Batcher from DX11 pack but the result is weird, somehow it shows only part of vertices (it is set to 1000000 max elements, but still). And it works perfect with PointSprites example (to the right). What is the trick?

well u have to post a patch for that
just a guess culling is wrong

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Surfaces3_.v4p (12.0 kB)

@Noir)) helped me out pointing that here for instance count could be used PipelineStatistics and it’s 3rd pin “Input Assembler Vertices”. Thanks again