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edwinnie

one pixel readback

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hey guys! jus wondering if anyone tried to do a one pixel readback every frame, and note that performance changes. juz wondering how did it went? thx! edwinz

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I readback several pixels every frame, to check if certain things are visible for post-rendering effects. So i guess im reading a single byte back, not 3. I have not noted any framerate drop, but I also have not tested for it exclusively. I read 10-15 and its not a problem.

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