Hi all

I write a simple qml animation to run on platform wayland. The duration is 
100ms.

First, the animation run 8 frames and animation is smooth.
Then I do a little optimization in Weston. The animation run 11 frames and 
blocked. The shift is 42 when blocked.
I feel very strange. Why the frame number is different between two times? How 
to calculate the frame in one animation?

Qml case:

import QtQuick 2.0

Rectangle {
id: root
width: 600
height: 600
color: "blue"
Rectangle {
   X: 20+shift
}
Rectangle {
   X: 140-shift
}
property real shift: 0
         SequentialAnimation on shift {
                     NumberAnimation {to: 120; duration: 100; easing.type: 
Easing.InOutSine }
                      NumberAnimation {to: 0; duration: 100; easing.type: 
Easing.InOutSine }
                            loops: 1
                            }
         Text {
        text: "shift: " + shift
    }


}


Best Regards
Nancy



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