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If the Mali-T764’s support GLES and provides the correct libraries you can compile an embedded version of QT5 which runs directly on GLES [cf 0, for an RPi exam

• Const-me 9y ago
  Right, I have evaluated QT. There were reasons why I decided not use it in that project. 1. Licensing. Their commercial license was prohibitively expensive for the project. And their open source license was too limited for our purposes. 2. I wanted the software to work on top of bare Linux kernel, i.e. no desktop managers, no compositors, no mouse pointer. Also I needed to render different stuff to 2 displays at the same time, QT can’t do that. The GUI wasn’t too complex, just a handful of screens on a 7” 800x480 DSI touch screen, plus simple 2D vector graphics on an external 4k HDMI display. That is why I was able to use lower-level stack without spending too much time on it. I only used C++ for DRM/KMS and NanoVG, everything higher level is in C#, running on .NET Core. BTW, the most time-consuming part was on-screen keyboard for the “Connect to WiFi” screen, and soft keyboards are only available in commercial QT.