If GL/Vulkan was loaded manually via a SDL_X_LoadLibrary() call instead of via window flags or through the GPU or renderer system, and there is no matching SDL_X_UnloadLibrary() call, the library instance won't be automatically unloaded while shutting down the video system, as the refcount won't go to zero, which can cause problems with some backends, and leaves a leaked DLL/SO handle when the global video object is destroyed.
Ensure that the libraries are unloaded after destroying the windows, but before shutting down the video backend, to prevent a leak and possible driver errors when shutting down the video backend.
An event flush while a window is being hidden may try to toggle the window borders. Don't poll the mapping state when toggling borders if the window is in the process of being hidden, or the window may already be unmapped, and the wait loop will hang forever.
This matches other platforms.
Also make sure Android explicitly sets vsync on restore, regardless of the
specific setting, to make sure it's consistent.
Fixes#14642.
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Calling SteamAPI_InitEx() will set environment variables that SDL uses to properly support the Steam virtual gamepad. Make sure that we fall back to the real environment for the variables that Steam sets.
We might be setting an environment variable along with other application code setting environment variables (like code in SteamAPI_InitEx()) before initializing SDL.
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Core X11 events are used for absolute motion while the mouse is grabbed, as XInput doesn't receive motion events from the master pointer, and the position from the slave devices lags one report behind. However, pointer events emulated from multitouch events can't be filtered out when using core events, as the XInput flags are not passed through.
Use the absolute position from slave devices in XInput motion events while the mouse is grabbed and touch events are active to allow filtering out pointer events emulated from touch events. Pointer events in this case may be a report behind the master device, but receiving input from both the pointer and touches simultaneously is not likely to be a common occurrence.
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The script assumed Git's traditional loose refs or packed-refs format.
When cloning with extensions.refstorage=reftable, neither .git/refs/*
nor .git/packed-refs exist, causing cmake configuration to fail.
Fall back to git rev-parse when file-based ref lookup fails.
It turns out that some distros set SDL_IM_MODULE globally, which leads to broken text input with this check, and there really is no reason not to use the text input protocol when available.
Reverts 2b375d9704
Frank Praznik
SDL Wiki Bot
Edgar San Martin, Jr.
Alex Schwartz
999pingGG
Sam Lantinga
Kaleb Reid
Ryan C. Gordon
Nuno Silva
Edgar J San Martin
Anonymous Maarten
Susko3
Evan Hemsley
Jakub Wasilewski
Fredrik Foss-Indrehus