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Simple DirectMedia Layer https://libsdl.org
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Daniel Gibson 9a81892447 Old env vars as fallback for SDL_VIDEO_DRIVER + SDL_AUDIO_DRIVER #11115 
especially SDL_VIDEODRIVER is commonly used to use the native Wayland
backend, so I think it's a good idea to keep supporting the old name
instead of forcing users to find out that they now have to add an
underscore..
Not sure how popular SDL_AUDIODRIVER is, but with all the audio backends
that exist on Linux alone I'm sure some people use it to work around
sound issues.

Note: Doing this in the SDL_hints implementation instead of the
call-sites of SDL_GetHint(SDL_HINT_VIDEO_DRIVER) etc ensures that
1. Hint priorities work (env var overriding hint set by application with normal
   priority, but not when application used SDL_HINT_OVERRIDE)
2. SDL_ResetHint() (called by user code) respects the fallback
   environment variable
2024-10-12 08:47:02 -07:00
.github ci: actions/cache might return a boolean as string 2024-10-08 18:53:29 +02:00
android-project Add more configChanges to Android Manifest (#11145) 2024-10-10 07:53:34 -07:00
build-scripts SDL_migration.cocci: Fix renaming SDL_bool 2024-10-12 00:47:04 -07:00
cmake cmake: don't prepend absolute CMAKE_INSTALL_{INCLUDE,LIB}DIR with ${prefix} 2024-09-14 16:21:42 +02:00
docs Old env vars as fallback for SDL_VIDEO_DRIVER + SDL_AUDIO_DRIVER #11115 2024-10-12 08:47:02 -07:00
examples examples: add basic app metadata to all existing examples. 2024-10-07 17:41:15 -04:00
include Add macro guards for OpenGL <=1.3 function prototypes 2024-10-12 11:21:07 -04:00
src Old env vars as fallback for SDL_VIDEO_DRIVER + SDL_AUDIO_DRIVER #11115 2024-10-12 08:47:02 -07:00
test Improved implementation of SDL_DelayPrecise() (thanks @nightmareci!) 2024-10-11 21:18:31 -07:00
VisualC Added SDL_murmur3_32() 2024-09-28 17:19:01 -07:00
VisualC-GDK Added SDL_murmur3_32() 2024-09-28 17:19:01 -07:00
wayland-protocols wayland: Add support for setting window icons via the xdg-toplevel-icon-v1 protocol 2024-08-31 09:38:43 -04:00
Xcode Updated to version 3.1.5 for development 2024-10-09 11:02:01 -07:00
.clang-format Add 'wl_list_for_each_safe' to the clang-format macro list 2024-03-14 10:22:23 -04:00
.clang-tidy Fix size of memcpy in SDL_AudioDeviceFormatChangedAlreadyLocked 2023-08-05 14:14:45 -04:00
.editorconfig .editorconfig: Remove excess apostrophe at *.cocci 2024-06-16 09:18:17 -07:00
.gitignore Add the SDL_GPU API 2024-08-29 15:57:29 -07:00
.wikiheaders-options .wikiheaders-options: Declare SDL3 to be a stable API! 2024-10-04 15:38:32 -04:00
Android.mk Add SDL_Process subsystem 2024-09-13 15:19:32 -07:00
BUGS.txt Replaced \r\n with \n in SDL root files 2024-10-05 18:15:02 -07:00
CMakeLists.txt Updated to version 3.1.5 for development 2024-10-09 11:02:01 -07:00
CREDITS.md docs: Moved CREDITS and INSTALL to markdown format. 2023-11-29 12:31:27 -05:00
INSTALL.md Updated INSTALL.md 2024-04-10 09:18:42 -04:00
LICENSE.txt Updated copyright for 2024 2024-01-01 13:15:26 -08:00
README-SDL.txt Replaced \r\n with \n in SDL root files 2024-10-05 18:15:02 -07:00
README.md Tweaking documentation for the SDL 3.0 preview release 2024-03-24 06:16:02 -07:00
WhatsNew.txt Replaced \r\n with \n in SDL root files 2024-10-05 18:15:02 -07:00

README.md

Simple DirectMedia Layer (SDL) Version 3.0

https://www.libsdl.org/

Simple DirectMedia Layer is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware. It is used by video playback software, emulators, and popular games including Valve's award winning catalog and many Humble Bundle games.

More extensive documentation is available in the docs directory, starting with README.md. If you are migrating to SDL 3.0 from SDL 2.0, the changes are extensively documented in README-migration.md.

Enjoy!

Sam Lantinga (slouken@libsdl.org)