SDL2 fails to report several different WindowState changes. OpenTK uses
a number of hacks to make it work to some extent, however real fixes
will have to be implemented upstream.
In OpenTK 1.1, GraphicsMode queries the platform for a mode id lazily.
By delaying VisualInfo selection until the GraphicsContext is constructed
we ensure that a concrete GraphicsMode is selected and ready for use.
SDL2 does not support changing display resolutions independently of an
SDL window. As a workaround, if the user uses ChangeResolution and then
makes a GameWindow fullscreen, we use old-style SDL fullscreen which
changes the resolution. If the user makes a GameWindow fullscreen
without calling ChangeResolution first, we use the new
fullscreen-desktop mode to match the other OpenTK backends.
It is now possible to indicate that an application is not DPI-aware. In
that case, OpenTK will let the operating system handle DPI scaling. This
results in worse visuals (pixel doubling) but allows non DPI-aware
applications to continue working.
When we enter the modal resize loop on Windows with ClipCursor set, we
cause a feedback loop where every resize causes the cursor to move and
every move causes a new resize. To fix this, we need to ungrab the
cursor when we are enter the modal loop.
Implementations may reuse OpenGL context handles that have been
destroyed. If a context is finalized but not Disposed, then OpenTK may
keep a reference to the old context handle, causing a crash when the
same handle is returned for a new context. To fix that, new context
handles will now replace old handles in case of a clash.
SDL_DestroyWindow must be called on the main thread. If the window is
finalized, the finalizer will push a CLOSE event to the event loop
(thread-safe) and the window will be destroyed on the main thread.
Sdl2InputDriver.Dispose() would call SDL_DelEventWatch with a different
"user_data" parameter than SDL_AdEventWatch. This caused the EventFilter
to remain registered and subsequently crash when closing and reopening a
window.
GetBoolean, GetInteger6, GetFixedvOES and Delete* are now matched in
the convenience wrapper generator. Methods returning vectors of fixed
size (e.g. 4 ints) are no longer matched.
