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AM4378: About the slow display when using the GPU in a custom browser

user1201164
Expert 1770 points
Part Number: AM4378

Hello.

We have a question from one of our customers.
They are testing the Linux SDK 07.03.00.005 with a custom browser built in.
When displaying html with box-shadow in this browser, the version without GPU can be displayed in 1-2 seconds, while the version with GPU takes about 30 seconds.
They are trying to isolate the custom browser from the GPU library for these phenomena, but if you have any information, please let me know.
Also, the QT browser that comes standard in the SDK seems to display in a short time. Is this QT browser using the GPU, and if so, is there a setting or build procedure to switch between using and not using the GPU?

Best Regards,

Kouji Nishigata

  • 0
    TI__Mastermind 44575 points

    HI Kouji,

    In Qt, there are various types of browsers like QtWebkit, QtWebegnine and etc. I believe the custom browser is based on QtWebkit and is a very light weight browser (no chromium support and GPU+CPU usage is very low). In general, you could launch Qt application with platform flags like "linuxfb" or "eglfs and in most cases, linuxfb uses CPU while eglfs uses GPU. It also depends on your application and the libraries being used. I know certain QT libs utilize CPU more than the GPU and I would advise you to cross check with the Qt company.

    Regards,
    Krunal