https://bugs.kde.org/show_bug.cgi?id=466454
--- Comment #19 from Mark Richardson <oldkentuckym...@gmail.com> ---
(In reply to David Edmundson from comment #18)
> > I don't see a cross platform way to set the swapchain size, unless kwin
> > gives a surface of either 1px-16384px like it does on wayland, or exactly
> > matching the window size like on xwayland with no scaling active.
>
> We've got a few crossed paths:
>
> - kwin isn't setting this surface capabilities sizes, this all comes from
> mesa and this 721px values is based on the current window size
> we can change mesa.
>
> - from the output it strongly suggests kwin is resizing the window (which
> is a silly rounding bug we need to fix) but that would be the same if the
> user resized things by dragging a corner and resized a window
>
> The crossplatform way to do things is to make sure clients build your
> swapchain size is also based on the *current* window size, watching for the
> window being resized as external factors can resize things.
All SDL window queries say the window size is 1280x720 with a min/max swapchain
extant of 1280x721 to 1280x721.
SDL_GetWindowSize();
SDL_GetWindowSizeInPixels();
SDL_Vulkan_GetDrawableSize();
However on native wayland, the max extant is always 16k. not what I would call
optimal usage.
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