The translucent white modal background sort of cancels out the dark
background we apply to the overlay, which is undesirable. It should
instead further darken the background.
For consistency, we now use igGetColorU32Col(ImGuiCol_ModalWindowDimBg)
to draw the overlay background, to avoid hardcoding the same colour in
multiple places.
Currently, this is visible through how fast the cursor blinks, with it
blinking faster at higher refresh rates. This commit makes the timing
consistent.
This new function dumps all options marked as preset instead of dumping
individual sections. This should allow filter options to not be all grouped
into the [eglFilter] section.
imgui really hates it when we update the modifier key state after igNewFrame.
The result is:
void ImGui::ErrorCheckEndFrameSanityChecks(): Assertion
`(key_mod_flags == 0 || g.IO.KeyMods == key_mod_flags) &&
"Mismatching io.KeyCtrl/io.KeyShift/io.KeyAlt/io.KeySuper vs io.KeyMods"'
failed.
Therefore, we buffer the modifier state information and update it in the IO
object right before we call igNewFrame.
This avoids warping the host cursor when the guest-side warp has not finished,
which will result in the host cursor exiting at the wrong position if it exits
at that moment.
Using 4x4 means that some pixels will be outside of the lanczos window. The
ideal lanczos function should in fact be zero in those areas, so we shouldn't
waste time processing those pixels.
I can't notice any difference in the results.
According to the documentation for eglQueryString:
> EGL_BAD_DISPLAY is generated if display is not an EGL display connection,
> unless display is EGL_NO_DISPLAY and name is EGL_EXTENSIONS.
Therefore, we should check EGL by doing:
eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS)
Indeed, the old way of eglQueryString(EGL_NO_DISPLAY, EGL_VERSION) works on
libglvnd but not using mesa's libEGL.so directly.
Also added a warning to make it more obvious that EGL is not available.
With the new keymap feature, we are now able to properly support letting
the user enter exact values into the sliders. This commit adds a tooltip
to help the user discover this feature.
Note that this currently only works on Wayland. The X11 backend will need
to call app_handleKeyboardModifiers.
