Qt platform offscreen. Mar 4, 2022 · This application failed to start...
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Qt platform offscreen. Mar 4, 2022 · This application failed to start because no Qt platform plugin could be initialized. If the platform doesn't implement or support offscreen surfaces, QOffscreenSurface will use an invisible QWindow internally. 3 and I want to use QOpenGLFramebufferObject::toImage to output each pictures(I want to output a few pictures when render() draws different thing. How the offscreen surface is implemented depends on the underlying platform, but it will typically use a pixel buffer (pbuffer). The qcocoa plugin loads fine and both static plugin libs are successfully linked into the app> But when I set QT_QPA_PLATFORM=offscreen in the environment, I get this: Jan 24, 2019 · Hi, for Qt applications you can pass -platform offscreen on the command line and it will start the program without a GUI. I've tried reinstalling everything to do with xcb but it didn't help. Available platform plugins are: xcb, eglfs, linuxfb, minimal, minimalegl, offscreen, vnc. Oct 17, 2024 · Maybe this: export QT_DEBUG_PLUGINS=1 If you are able to see (that in the CI task), the setting of QT_DEBUG_PLUGINS is indeed causing some observable change in output, then you have more reason to suspect some issue that is somehow specifically related to QT_QPA_PLATFORM=offscreen. The qcocoa plugin loads fine and both static plugin libs are successfully linked into the app> But when I set QT_QPA_PLATFORM=offscreen in the environment, I get this: Jun 30, 2018 · During testing I wanted to run the application in headless mode using -platform offscreen command line argument added to the app executable name (I changed nothing else). Reinstalling the application may fix this problem.
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