Window Opacity Error if Widget is Above a A real Time Rendering Window.
We had 3 widgets: A, B and C. A is the main window and parent to B and C, B is the container widget for a real time rendering engine. Widget C contains all kinds of QT Quick items and it flows above Widget B.
We want Widget C transparent to both A and B, and we know the conventional way to do it. But the conventional method fail to do the work if Widget B is the container of a render engine.
Any suggestion to make the window opacity mechanism work in this situation?
What version of Qt are you using ?
On what operating system ?
With what graphic stack ?
What is that rendering engine ?
Qt Version: Qt 5.10.1
OS: Windows 10 64 bit
Graphics stack: Direct X 11
Render engine: Unreal engine 4
Would it be possible for you to provide a minimal compilable example to reproduce the behaviour ?