The window content scale may change independently of the display it is on if scaling or accessibility features are involved, so query it directly from the backend instead of inferring it.
Everything in SDL3 up to the ABI lock is reported as available since 3.1.3.
Everything else will be reported as since 3.2.0 (what will be the first
official release).
Also ran a Perl script over the headers to change everything to 3.1.3 that
wasn't an API function, since fnsince.pl can't manage those. If there's a
macro or datatype that has snuck in that needs to be 3.2.0 instead, we'll
have to manually fix it up, but it shouldn't be a big deal in any case.
Reference PR #11304.
This is an X11 error catcher that lived for the entire life of the program,
which causes problems in itself, but it also tries to make calls into Xlib,
which would cause further panics.
It's goal was to reset video modes if the app was going down, but it often
failed to do so, and caused potentially avoidable crashes instead.
Fixes#7975.
This now mentions the main callbacks as a possible option, and removes the
part about prebuilt libraries. The latter can return when Emscripten packages
SDL3.
Fixes#11080.
The text-scaling-factor setting is not useful, now that we watch the
Xft/DPI and Gdk/WindowScalingFactor XSETTINGS keys; on the contrary, it
is problematic in mixed environments with both the KDE and GNOME
portals, as they end up stepping on each other's toes, and we end up
with the wrong scaling factor value.
Fixes: https://github.com/libsdl-org/SDL/issues/11142
This is sent when the device is lost and can't be recovered.
Also fixed the vulkan renderer so it returns errors appropriately and will log and break if debug mode is enabled.
This fixes the following sequence:
* Press mouse button down
* Alt-tab away from the window
* Alt-tab back to the window
* Release mouse button
Fixes https://github.com/libsdl-org/SDL/issues/7747
