On 25/11/15 18:28, Henry Gomersall wrote:
Also, are you
using double-buffering in opengl so that only completely
> rendered frames will be swapped to the display? Otherwise, you could
> also see parts of the scene drawn or missing depending on when they
> happen relative to the vertical blanking period and buffer clearing.
No, not currently. But I've never seen such a problem when producing
data from CPU - though plausibly the extra work the GPU is doing is
Actually, it is double buffering. Qt Does this by default but just to be
sure I turned it on explicitly.
It's called after paintGL() has run.