I recently looked at this description of VBOs and a sample implementation of them. When I ran the executable, it was significantly faster with no VBOs than with them. I don't understand why it should be slower with the VBOs than without. Can anybody explain why?
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The discrepancy might be caused by any number of factors. If your graphics card doesn't support VBOs (vertex-buffer objects), then your code is creating them but the OpenGL library is, in software, converting them to something the card -does- support and sending that. If you have a huge number of …
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