Also marked the existing functions as unsafe, as they can cause crashes if used in multi-threaded applications.
As a bonus, since the new functions are hashtable based, hint environment lookups are much faster.
Also added SDL_PROP_IOSTREAM_FILE_DESCRIPTOR_NUMBER and refactored the internal API to be able to create SDL_IOStream objects from native file handles.
In some cases, such as when recreating a window during renderer initialization, a failure can leave the window in a state where the internal structure has already been freed, but the higher level window object needs to be destroyed separately. Check that the internal handle is valid before attempting to access any data during destruction.
Allows for graceful failure instead of a crash during cleanup if renderer creation fails.
Use doubles and apply an offset to account for rounding errors due to Wayland scale increments being in units of 1/120. This fixes the backbuffer size calculations with certain combinations of size/scale values, and future-proofs the Wayland backend, as 32-bit floats become increasingly error-prone with larger dimensions and/or scale factors.
The conversion formula is now point->pixel->point round trip safe as well.
This used a tiny stack, which apparently upsets Blender for various
technical reasons. Instead, just use the default stack size, which should
give it plenty of space to work.
If the thread failed to create, we would then wait on a semaphore that would
never trigger, so don't do that anymore!
Fixes#10806.
GameInput currently has a bug with keys stuck on focus change, and crashes on initialization on some systems, so we'll disable it until these issues are fixed.
@smcv may have found the root cause of the pipewire thread crash, so removing the pipewire client version check to re-enable use of pipewire in older container runtimes.
hotplug_loop_init() calls pw_context_new(), which creates a thread
internally (for the "data loop"). It also creates a thread of its own,
the `hotplug_loop`.
Both of these threads are running code from libpipewire, so before we
can allow the Pipewire library to be unloaded, we need to destroy
the context with pw_context_destroy() and destroy the `hotplug_loop`
with pw_thread_loop_destroy().
Resolves: https://github.com/libsdl-org/SDL/issues/10787
Signed-off-by: Simon McVittie <smcv@collabora.com>
