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Questions tagged [eglfs]

26 questions
8
votes
2 answers

eglfs on raspberry2 -- * failed to add service - already in use?

that's is my first post here. I'd like to keep it short... Following problem: i want to run a qt5/qtquickcontrols2 application utilising the eglfs backend on a raspberry-pi 2b, accelerated by vc4, of course. Ideally, it should run in kiosk mode and…
Armin Leghissa
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1 answer

Qt: Taking screenshot of EGLFS window - pixel-perfect identical result?

We're using EGLFS to run a QML app on an embedded linux device without a X server. So I can't use the usual techniques for getting a screenshot (e.g. using a screenshot utility app). In this question I found the technique of using…
Stefan Monov
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1 answer

Etnaviv performance vs Vivante

I'm looking for some guidance on how to make my EGLFS qt application perform as well under the etnaviv driver as it does under the proprietary Vivante driver on an IMX6. With a simple qt test application that draws only a QLabel widget, the…
googolplex
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2 answers

Qt - Capturing QKeyEvent from /dev/input/event1 in embedded linux device (EGLFS)

I'm trying to get QKeyEvents on keypress/keyrelease on linux embedded device(EGLFS) which uses custom keypad. /dev/input/event1 is the keyevent file. With evtest the output is as expected. But in the Qt application running on EGLFS platform, the…
Chandana
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1 answer

Qt for Raspberry pi: "Could not find DRM device!"

I've built Qt (with cross-compiler) from Ubuntu VM to Raspbian (Raspberry pi model 3 B+), so it can deploy apps via ssh. Qt config: Building on: linux-g++ (x86_64, CPU features: mmx sse sse2) Building for: devices/linux-rasp-pi3-vc4-g++ (arm, CPU…
Cataract
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How to enable EGLFS i.Mx6 QPA for Qt on IMX6Q?

I am cross compiling Qt with Buildroot and GCC Linaro for an IMX6Q target. I would like to use eglfs platform plugin but i am confused about the list of associated backends available. QPA backends: DirectFB ............................... no …
Fryz
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eglfs: keyboard not grabbed

Raspbian running on RPi3B+, Qt5.9.2 cross-compiled, QWidget application. The keyboard input goes to the shell behind instead to my application. Following this document I set the following env…
Mark
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1 answer

Input and fonts are mutually exclusive on EGLFS QPA

I build Qt-5.9.2 on Ubuntu 16.04.3 LTS with EGLFS QPA enabled. I switch to terminal on Ctrl+Alt+F1 screen. Then I run my Qt application app (Qt Quick based, if matters): # to debug input export QT_LOGGING_RULES=qt.qpa.input=true # to be able to…
Tomilov Anatoliy
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1 answer

Run Qt app with eglfs plugin on a normal computer

I am trying to run a Qt application under EGLFS with Linux Mint on a Macbook Pro. I have: Configured and compiled Qt with all the needed flags and dependences. Tried to run the app with X11 turned off. Used kms integration. Installed all the Mesa…
ehopperdietzel
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Errors with raspberry pi 3 - Qt 5.9 eglfs

I have compiled the latest version of qt from git 5.9.2 with latest raspibian (2017-08-16-raspbian-stretch.img) as sysroot. I have previously installed some library to compile with -opengl es2. Compilation succeeded but when I run the application I…
Mohamed Hamzaoui
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1 answer

Qt Cross Compiling on Mac for EGLFS on Raspberry Pi

I'm trying to create a Qt application that will run embedded on a Raspberry Pi 3. I followed this guide for cross-compiling and was able to run the example qopenglwidget on the Pi correctly. Now my problem is that I would like to build on my Macbook…
Nick
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QT app flickers after psplash-systemd finishes

I have a linux system created in Yocto running on Raspberry Pi CM4 and I am using psplash utility for splashscreen. During early stage of boot I also launch my qt app (before psplash-systemd is finished) and I am rendering the app on screen by using…
Tomáš Čikel
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Disabling HW cursor while running QT with EGLFS on Jetson Nano (ubuntu 18.04)

im cross compiling QT 5.15 for Nvidia Jetson Nano and managed to build QT applications but the problem is im seeing 2 mouse cursor when i deploy and launch my qt app, the mouse cursor, one is QT app from EGLFS while the other one is from the…
Aaron
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Beaglebone's graphic card drivers installation with Yocto

Beaglebone Black integrates Imagination's GPU PowerVR SGX530 which supports OpenGL|ES 2.0 (source) and this is why I want to use qeglfs platform for the Qt5 to display my application's window on the display. I found the Yocto repository meta-ti…
71GA
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Could not create the egl surface: error = 0x300b

I find a lot of questions about this error but they are related to embedded systems like RPi or iMX6. Instead, I run across this issue on a standard Ubuntu Server 20.04 x64 installation. I installed the mesa drivers: $ dpkg -l | grep egl ii …
Mark
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