QtWebEngine doesn't work on Embedded Linux on rpi.

  • Hi, I'm trying to install Qt from the source code to Raspberry Pi Model B+ with Buildroot.
    I have succedded in building and installing, but it doesn't seem to work correctly.

    I used the demo browser application to test, but it can't finish loading and doesn't show the content. It shows the title of the page, so I think it's failing to draw the page. How can I fix it?

    The below is the environment.

    • Raspberry Pi Model B+ (ARM1176JZF-S, ARMv6 + VFP, 64MB RAM free)
    • Compiled for ARM state.
    • Using hard float ABI.
    • Buildroot 2016.02
    • Qt 5.5.1
    • OpenGL ES 2.0
    • eglfs of Qt Embedded Linux

    The below is the page source, located in file:///mnt/hello.html.

    <!DOCTYPE html>
    		<title>Hello, World!</title>
    		Hello, World!

  • Solved: Now I use wayland-egl and everything is fine.

    The Long Story to Get the Simple Solution:
    At first, I used raspberrypi-userland for OpenGL ES. However, it didn't work.

    I tried VC4 DRM driver in the next. I have struggled to get it work, and I opened an issue on the repository. Then anholt, the author of the driver,
    updated the Wiki. By following the Wiki, I finally succeeded in getting it work.

    mesa3d is necessary to provide OpenGL ES API, so I installed it with drm backend. However, it didn't work since eglCreatePbufferSurface is stubbed in the backend. So I had to use other QPA.

    Next, I tried X11 since Buildroot supports xcb backend, but neither did it work. I thought porting Wayland should be much easier than fixing the issue, and actually it is.

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