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  4. Can Qt for Android use GPU (GPU in Android devices, such as QCOM Adreno) for 3D rendering? If Android itself also uses GPU, will QT and Android conflict?

Can Qt for Android use GPU (GPU in Android devices, such as QCOM Adreno) for 3D rendering? If Android itself also uses GPU, will QT and Android conflict?

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  • S Offline
    S Offline
    sl013
    wrote on 23 Jul 2021, 07:30 last edited by
    #1

    Hi all:
    We want to run a QT app on the android device(QCOM device),and the app may rendering 3D with opengles.
    I have a question: Is it feasible if Android and QT use GPU at the same time?

    Thanks.

    J 1 Reply Last reply 23 Jul 2021, 07:32
    0
    • S sl013
      23 Jul 2021, 07:30

      Hi all:
      We want to run a QT app on the android device(QCOM device),and the app may rendering 3D with opengles.
      I have a question: Is it feasible if Android and QT use GPU at the same time?

      Thanks.

      J Online
      J Online
      jsulm
      Lifetime Qt Champion
      wrote on 23 Jul 2021, 07:32 last edited by
      #2

      @sl013 said in Can Qt for Android use GPU (GPU in Android devices, such as QCOM Adreno) for 3D rendering? If Android itself also uses GPU, will QT and Android conflict?:

      Is it feasible if Android and QT use GPU at the same time?

      Why not? How games and other apps do that on Android?

      https://forum.qt.io/topic/113070/qt-code-of-conduct

      S 1 Reply Last reply 23 Jul 2021, 07:52
      0
      • J jsulm
        23 Jul 2021, 07:32

        @sl013 said in Can Qt for Android use GPU (GPU in Android devices, such as QCOM Adreno) for 3D rendering? If Android itself also uses GPU, will QT and Android conflict?:

        Is it feasible if Android and QT use GPU at the same time?

        Why not? How games and other apps do that on Android?

        S Offline
        S Offline
        sl013
        wrote on 23 Jul 2021, 07:52 last edited by
        #3

        @jsulm
        Thanks for reply.
        Does QT rendor 3D by using Android service?such as:SurfaceFlinger or services of OpenGLES?
        If QT calls OpenGL by itself,the Android system also calls OpenGL,there will be two opengl instances.
        I do not known if the OpenGL or GPU can works well when there are two OpenGL instances.

        J 1 Reply Last reply 23 Jul 2021, 07:55
        0
        • S sl013
          23 Jul 2021, 07:52

          @jsulm
          Thanks for reply.
          Does QT rendor 3D by using Android service?such as:SurfaceFlinger or services of OpenGLES?
          If QT calls OpenGL by itself,the Android system also calls OpenGL,there will be two opengl instances.
          I do not known if the OpenGL or GPU can works well when there are two OpenGL instances.

          J Online
          J Online
          jsulm
          Lifetime Qt Champion
          wrote on 23 Jul 2021, 07:55 last edited by
          #4

          @sl013 said in Can Qt for Android use GPU (GPU in Android devices, such as QCOM Adreno) for 3D rendering? If Android itself also uses GPU, will QT and Android conflict?:

          Does QT rendor 3D by using Android service?such as:SurfaceFlinger or services of OpenGLES?

          That I don't know.
          You could get better answer on Qt developers mailing list.

          https://forum.qt.io/topic/113070/qt-code-of-conduct

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