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Best Approach to capture QML component as OpenGLFrameBuffer without display( offline )

I have a requireemnt, to render framebuffer quick as possible so that image updates( time stamp updates on qml ) rendered as imane and send across a network.

Solution

  • Finally I got One approach, which I think best to write QML to FrameBuffer

    Find the sample here using QQuickRenderControl, to write qml component into a framebuffer and save as PNG

    Time Elapsed to update QML and Render as QImage(1080X1920): 7ms to 15 ms(Ubuntu OS Lenovo 6th Gen Laptop)