Hi Henri, I think you wrote unloadVertexData and unloadNumberedArrays. If I remember correctly those were needed to deactivate stream sources so they do not make issues in future draws where they shouldn't be active(3dmark2003 vbo performance regression).
I noticed that loadVertexData already disables stream sources that aren't available in the current draws, while loadNumberedArrays doesn't. Do we need unloadVertexData at all? Or are non-drawing operations or drawStridedSlow affected by arrays? Background is that I'm atm working on using dirtification to manage stream sources. So far the state management is progressing nicely, what is missing atm are Shaders, re-enabling register combiners and fixing regressions which slipped in(hl2 and bf1942). Then optimizations :-) Stefan
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