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glReadPixel #7

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limbo-lab opened this issue Sep 17, 2014 · 1 comment
Open

glReadPixel #7

limbo-lab opened this issue Sep 17, 2014 · 1 comment

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@limbo-lab
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Hi, I'm an newbie to gl. I wanna render to an image(not snapshot). I googled and found that glReadPixel meets my requirements. However it has some to do with FrameBuffer and I can't not find any trace of FrameBuffer in BCMeshTransformView.
@Ciechan
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Ciechan commented Sep 17, 2014

BCMeshTransformView uses GLKView internally which has the snapshot method that does exactly this – renders its content to an image. It uses glReadPixels internally so this is pretty much what you want.

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@Ciechan @limbo-lab