Hi, all I don't know how to sync compositor and client.
My environment: wayland/weston 1.8.0 DRM backend wayland-egl My scenario is, 1. HMI Controller UI 2. Navigation Application 3. Weston compositor HMI, Navigation are added to weston view list. If if click zoom-in button on HMI UI then navigation receive event and start rendering using gpu. But, Screen flickering occurred because of GPU rendering time is too long (It's my assumption) Additional information : Rendering time is about 60ms. So i modified the value of repaint-window from default 7ms to -10ms. Result is that flickering looks like disappeared but rarely occurred. As a result, I think it is not synchronization between wayland client(navi app) and weston compositor. I read a article of http://ppaalanen.blogspot.kr/2015/02/weston-repaint-scheduling.html, but can't find any hints. Need some additional ideas to solve this problem. Any feedback is appreciated.
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