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Pyside2 over LinuxFB/DRM

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  • SGaistS SGaist

    @JimJin said in Pyside2 over LinuxFB/DRM:

    Does your Qt library come from the same source as PySide2 ?

    No

    Then you should ensure it does.

    PySide2 is built against a set of libraries that provides all the classes exposed as Python classes. You seem to use a version of Qt that is lighter weight.

    J Offline
    J Offline
    JimJin
    wrote on last edited by JimJin
    #5

    Then you should ensure it does.

    Sure. We are going to do it.

    You seem to use a version of Qt that is lighter weight.

    Yes. We are using Qt Embedded. However, we can't find the manual of compiling PySide2 on ARM. Could you please show us a link of a porting guide to ARM?

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #6

      What are you using to cross-compile Qt ?

      Interested in AI ? www.idiap.ch
      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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      • SGaistS SGaist

        What are you using to cross-compile Qt ?

        W Offline
        W Offline
        wonghui
        wrote on last edited by
        #7

        @SGaist said in Pyside2 over LinuxFB/DRM:

        What are you using to cross-compile Qt ?

        We are using linaro-gcc (aarch64-linux-gnu)

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        • J Offline
          J Offline
          JimJin
          wrote on last edited by
          #8

          @JimJin said in Pyside2 over LinuxFB/DRM:

          Does your Qt library come from the same source as PySide2 ?

          Is it possible to hack PySide2 binaries(from https://archlinuxarm.org/packages/aarch64/pyside2) which redirect OpenGL to LinuxFB?

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          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #9

            You are mixing two different things. The backend plugin is not the issue.

            Your issue is that you are trying to use a version of PySide2 that was built against a version of Qt with OpenGL enable and thus using the corresponding symbols with a version of Qt with OpenGL disabled as it seems.

            Interested in AI ? www.idiap.ch
            Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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            • SGaistS SGaist

              You are mixing two different things. The backend plugin is not the issue.

              Your issue is that you are trying to use a version of PySide2 that was built against a version of Qt with OpenGL enable and thus using the corresponding symbols with a version of Qt with OpenGL disabled as it seems.

              J Offline
              J Offline
              JimJin
              wrote on last edited by
              #10

              Your issue is that you are trying to use a version of PySide2 that was built against a version of Qt with OpenGL enable and thus using the corresponding symbols with a version of Qt with OpenGL disabled as it seems.

              Yes, exactly. So,

              1. Is there any hack(or workaround) to let the PySide2 of OpenGL work on QT of LinuxFB?
              2. Or, is there any manual (or article) to guide us to cross-compile PySide2 on embedded Linux?
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              • SGaistS Offline
                SGaistS Offline
                SGaist
                Lifetime Qt Champion
                wrote on last edited by
                #11

                @JimJin said in Pyside2 over LinuxFB/DRM:

                Is there any hack(or workaround) to let the PySide2 of OpenGL work on QT of LinuxFB?

                As I already wrote several times: your issue is unrelated to mixing OpenGL and LinuxFB

                @JimJin said in Pyside2 over LinuxFB/DRM:

                Or, is there any manual (or article) to guide us to cross-compile PySide2 on embedded Linux?

                I am not aware of any but since it's a Qt project following the documentation:

                python setup.py build --qmake=/path/to/your-cross-compiled-Qt/bin/qmake --ignore-git --parallel=8
                

                might be enough.

                Interested in AI ? www.idiap.ch
                Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                J W 2 Replies Last reply
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                • SGaistS SGaist

                  @JimJin said in Pyside2 over LinuxFB/DRM:

                  Is there any hack(or workaround) to let the PySide2 of OpenGL work on QT of LinuxFB?

                  As I already wrote several times: your issue is unrelated to mixing OpenGL and LinuxFB

                  @JimJin said in Pyside2 over LinuxFB/DRM:

                  Or, is there any manual (or article) to guide us to cross-compile PySide2 on embedded Linux?

                  I am not aware of any but since it's a Qt project following the documentation:

                  python setup.py build --qmake=/path/to/your-cross-compiled-Qt/bin/qmake --ignore-git --parallel=8
                  

                  might be enough.

                  J Offline
                  J Offline
                  JimJin
                  wrote on last edited by
                  #12

                  @SGaist Thank you very much. I'll try it ASAP and keep you posted.

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                  • SGaistS SGaist

                    @JimJin said in Pyside2 over LinuxFB/DRM:

                    Is there any hack(or workaround) to let the PySide2 of OpenGL work on QT of LinuxFB?

                    As I already wrote several times: your issue is unrelated to mixing OpenGL and LinuxFB

                    @JimJin said in Pyside2 over LinuxFB/DRM:

                    Or, is there any manual (or article) to guide us to cross-compile PySide2 on embedded Linux?

                    I am not aware of any but since it's a Qt project following the documentation:

                    python setup.py build --qmake=/path/to/your-cross-compiled-Qt/bin/qmake --ignore-git --parallel=8
                    

                    might be enough.

                    W Offline
                    W Offline
                    wonghui
                    wrote on last edited by
                    #13

                    @SGaist Is there an option to disable opengl when build pyside2?

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                    • SGaistS Offline
                      SGaistS Offline
                      SGaist
                      Lifetime Qt Champion
                      wrote on last edited by
                      #14

                      I do not think there's anything special to do as long as you use a Qt version that was built with OpenGL disabled but that's only a guess.

                      Interested in AI ? www.idiap.ch
                      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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