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getting vertex data back from the VBO

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Offline Aisaaax

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getting vertex data back from the VBO
« on: July 17, 2020, 09:28:00 »
Can I do that?
Also, how expensive is it to get the triangles from VBO, add or modify that data on CPU, and then load it back to the GPU as a new array?
If I do it like 10 times a second, will it greatly impact my performance?
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