Reusing an FBO among QQuickFramebufferObject items



  • Since my last posts, I was able to update drivers, so FBOs work correctly now and I can use them for 3D content integration into Qt Quick 2.

    However, I am concerned with resource usage. I want to use my custom QtQuick 2 item on embedded devices. Having one FBO per item would waste memory if all FBOs have the same size, format etc. Instead, in this case, I'd rather create one FBO and use it for all items. Is this possible? Or is the QQuickFramebufferObject renderer's render() function called at intervals that are different from the scenegraph node updates?


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