[Webkit-unassigned] [Bug 185764] [WPE] Rendering on a HiDPI display looks scaled up instead of rendered at 2x

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Jun 25 08:24:24 PDT 2018


--- Comment #4 from Carlos Eduardo Ramalho <cadubentzen at gmail.com> ---
Created attachment 343499

  --> https://bugs.webkit.org/attachment.cgi?id=343499&action=review

Example wrong WPE 2x HiDPI

During creation of WebView in GTK+ (see webkitWebViewBaseCreateWebPage()), there is code for setting the device scale factor, but I see no such thing on WPEView constructor.

Trying to set it hard-coded in View::View() to 2x in my machine just to check and I got the following result attached. Not as expected. Used the same website for comparison.

Can Miguel or Zan shed some light on the matter? Maybe it would need a wl_surface::set_buffer_scale on the WPEBackend-fdo / Wayland side of things as well? I'm totally novice to the WPEBackend code.

Also, how to integrate this in the API?

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