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Strange Double buffering problem in STM32F4

Question asked by tolba.ahmed on Jun 6, 2018
 

I'm doing frame buffering exactly as that guy doinghttps://gist.github.com/postspectacular/61f17333c17b0206a73e4591cd5ce59b

The problem, I'm cloning flappy bird, and at the top edge of the screen, I get a background that clips the sprite.. When I disable the waiting for vertical blanking, of course tearing comes, but I don't get that clipping issue anymore.

Any hints what could be the problem ?

Here is a video

https://www.youtube.com/watch?v=0Hn_dw4lYig&feature=

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