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could not find qtplatfom plugin eglfs

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  • A Asha

    @jsulm I just want to run one simple application in my device, by using anyone..

    jsulmJ Offline
    jsulmJ Offline
    jsulm
    Lifetime Qt Champion
    wrote on last edited by
    #29

    @Asha Well, I think I already mentioned this once: you have to know what your device actually uses. Is it X11, eglfs, linuxfb, ...?

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

    A 1 Reply Last reply
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    • jsulmJ jsulm

      @Asha Well, I think I already mentioned this once: you have to know what your device actually uses. Is it X11, eglfs, linuxfb, ...?

      A Offline
      A Offline
      Asha
      wrote on last edited by
      #30

      @jsulm

      can you please tell me more about X11,or any link..what exactly it will do?

      jsulmJ 1 Reply Last reply
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      • A Asha

        @jsulm

        can you please tell me more about X11,or any link..what exactly it will do?

        jsulmJ Offline
        jsulmJ Offline
        jsulm
        Lifetime Qt Champion
        wrote on last edited by
        #31

        @Asha Google knows https://en.wikipedia.org/wiki/X_Window_System

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

        A 1 Reply Last reply
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        • jsulmJ jsulm

          @Asha Google knows https://en.wikipedia.org/wiki/X_Window_System

          A Offline
          A Offline
          Asha
          wrote on last edited by
          #32

          @jsulm It means first i need to find which backend is running on my device ,based on that I need to cross compile the qt?

          jsulmJ 1 Reply Last reply
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          • A Asha

            @jsulm It means first i need to find which backend is running on my device ,based on that I need to cross compile the qt?

            jsulmJ Offline
            jsulmJ Offline
            jsulm
            Lifetime Qt Champion
            wrote on last edited by
            #33

            @Asha said in could not find qtplatfom plugin eglfs:

            i need to find which backend is running on my device

            yes

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

            A 1 Reply Last reply
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            • jsulmJ jsulm

              @Asha said in could not find qtplatfom plugin eglfs:

              i need to find which backend is running on my device

              yes

              A Offline
              A Offline
              Asha
              wrote on last edited by
              #34

              @jsulm after finding ,again i need to build ,cross compiled qt?

              jsulmJ 1 Reply Last reply
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              • A Asha

                @jsulm after finding ,again i need to build ,cross compiled qt?

                jsulmJ Offline
                jsulmJ Offline
                jsulm
                Lifetime Qt Champion
                wrote on last edited by
                #35

                @Asha If you did not cross compile needed platform plug-in then yes

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

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                • jsulmJ jsulm

                  @Asha If you did not cross compile needed platform plug-in then yes

                  A Offline
                  A Offline
                  Asha
                  wrote on last edited by
                  #36

                  @jsulm Hi,

                  I flashed my board with debian image...any idea which plugin is running on that image...

                  I got the answer ,we are using linux backend...

                  1 Reply Last reply
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                  • A Offline
                    A Offline
                    Asha
                    wrote on last edited by
                    #37

                    for eglfs plugin ,which packages are required and how to install those?

                    jsulmJ 1 Reply Last reply
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                    • A Asha

                      for eglfs plugin ,which packages are required and how to install those?

                      jsulmJ Offline
                      jsulmJ Offline
                      jsulm
                      Lifetime Qt Champion
                      wrote on last edited by
                      #38

                      @Asha Please take a look at https://doc.qt.io/qt-5/embedded-linux.html
                      "we are using linux backend" - which one?

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

                      A 1 Reply Last reply
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                      • jsulmJ jsulm

                        @Asha Please take a look at https://doc.qt.io/qt-5/embedded-linux.html
                        "we are using linux backend" - which one?

                        A Offline
                        A Offline
                        Asha
                        wrote on last edited by
                        #39

                        @jsulm I asked,which backend is running on board?

                        got the ans:linux

                        shall I ask more about backend or any link?

                        jsulmJ 1 Reply Last reply
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                        • A Asha

                          @jsulm I asked,which backend is running on board?

                          got the ans:linux

                          shall I ask more about backend or any link?

                          jsulmJ Offline
                          jsulmJ Offline
                          jsulm
                          Lifetime Qt Champion
                          wrote on last edited by
                          #40

                          @Asha We know from the beginning that the OS is Linux. Linux is an operating system supporting different technologies for graphics, like: X11, directfb, eglfs, ...
                          These technologies is what is called "backends" in Qt.

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

                          A 1 Reply Last reply
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                          • jsulmJ jsulm

                            @Asha We know from the beginning that the OS is Linux. Linux is an operating system supporting different technologies for graphics, like: X11, directfb, eglfs, ...
                            These technologies is what is called "backends" in Qt.

                            A Offline
                            A Offline
                            Asha
                            wrote on last edited by
                            #41

                            @jsulm Hi ,Thank you for you guide...

                            I found which plugin is running on my board,
                            That is eglfs only,

                            with this link https://doc.qt.io/qt-5/embedded-linux.html

                            for beagleboneboard my build directory is Qt5,

                            I got the information in the folder below

                            cd /home/beagle/Qt5/mkspecs/devices/linux-beagleboard-g++/qmake.conf

                            in qmake.conf file

                            QT_QPA_DEFAULT_PLATFORM = eglfs

                            so now,how to proceed next?

                            can i change the QT_QPA_DEFAULT_PLATFORM in that file ?

                            or need to configure with eglfs only?

                            jsulmJ 1 Reply Last reply
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                            • A Asha

                              @jsulm Hi ,Thank you for you guide...

                              I found which plugin is running on my board,
                              That is eglfs only,

                              with this link https://doc.qt.io/qt-5/embedded-linux.html

                              for beagleboneboard my build directory is Qt5,

                              I got the information in the folder below

                              cd /home/beagle/Qt5/mkspecs/devices/linux-beagleboard-g++/qmake.conf

                              in qmake.conf file

                              QT_QPA_DEFAULT_PLATFORM = eglfs

                              so now,how to proceed next?

                              can i change the QT_QPA_DEFAULT_PLATFORM in that file ?

                              or need to configure with eglfs only?

                              jsulmJ Offline
                              jsulmJ Offline
                              jsulm
                              Lifetime Qt Champion
                              wrote on last edited by
                              #42

                              @Asha What did configure say about eglfs? Was it activated?

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

                              A 1 Reply Last reply
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                              • jsulmJ jsulm

                                @Asha What did configure say about eglfs? Was it activated?

                                A Offline
                                A Offline
                                Asha
                                wrote on last edited by
                                #43

                                @jsulm I gone through this link,https://doc.qt.io/qt-5.12/embedded-linux.html

                                please go through the selected paragraph in the below screenshot,eglfs.png
                                in the mentioned the path i got it(dont no its currect or not just guessed)

                                jsulmJ 1 Reply Last reply
                                0
                                • A Offline
                                  A Offline
                                  Asha
                                  wrote on last edited by
                                  #44

                                  how to proceed next?

                                  1 Reply Last reply
                                  0
                                  • A Asha

                                    @jsulm I gone through this link,https://doc.qt.io/qt-5.12/embedded-linux.html

                                    please go through the selected paragraph in the below screenshot,eglfs.png
                                    in the mentioned the path i got it(dont no its currect or not just guessed)

                                    jsulmJ Offline
                                    jsulmJ Offline
                                    jsulm
                                    Lifetime Qt Champion
                                    wrote on last edited by
                                    #45

                                    @Asha said in could not find qtplatfom plugin eglfs:

                                    in the mentioned the path i got it(dont no its currect or not just guessed)

                                    Sorry, I don't get it. What was the output of configure? Did it say eglfs was activated?

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

                                    A 2 Replies Last reply
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                                    • jsulmJ jsulm

                                      @Asha said in could not find qtplatfom plugin eglfs:

                                      in the mentioned the path i got it(dont no its currect or not just guessed)

                                      Sorry, I don't get it. What was the output of configure? Did it say eglfs was activated?

                                      A Offline
                                      A Offline
                                      Asha
                                      wrote on last edited by
                                      #46

                                      @jsulm

                                      I have extracted qt source code,that can be mmoved in QT5 directory,

                                      in QT5/qtbase/mkspecs/devices/linux-beagleboard-g++/qmake.conf file,

                                      the line presene QT_QPA_DEFAULT_PLATFORM= eglfs...

                                      so now i need to configure,

                                      I need to mentioned eglfs in my configure line,so

                                      ./configure -platform linux-g++ -release -device linux-beagleboard-g++ -sysroot /home/beagle/BB/sysroot -prefix /home/debian/Qt5ForBBB -hostprefix ~/Qt5ForBBB -device-option CROSS_COMPILE="path" -egl -eglfs -nomake tests -nomake examples -skip qtconnectivitty -recheck-all -v

                                      this is correct?

                                      1 Reply Last reply
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                                      • jsulmJ jsulm

                                        @Asha said in could not find qtplatfom plugin eglfs:

                                        in the mentioned the path i got it(dont no its currect or not just guessed)

                                        Sorry, I don't get it. What was the output of configure? Did it say eglfs was activated?

                                        A Offline
                                        A Offline
                                        Asha
                                        wrote on last edited by
                                        #47

                                        @jsulm eglfs is not activated,how do i activate it?

                                        jsulmJ 1 Reply Last reply
                                        0
                                        • A Asha

                                          @jsulm eglfs is not activated,how do i activate it?

                                          jsulmJ Offline
                                          jsulmJ Offline
                                          jsulm
                                          Lifetime Qt Champion
                                          wrote on last edited by
                                          #48

                                          @Asha said in could not find qtplatfom plugin eglfs:

                                          how do i activate it?

                                          Check the configure log to see what was missing (I'm quite sure that I already suggested that before).

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

                                          A 1 Reply Last reply
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