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Steven Noonan 4535d65491 HIDAPI_UpdateDiscovery: only treat "add" and "remove" events as relevant 
I have a buggy system which reports a udev "change" event for an empty
USB-C port every 0.14 seconds, which causes annoying frame hitches
because SDL decides that means it needs to do a libusb hid_enumerate,
which is slow (~25ms!) because of the get_usb_string() calls in there.

We only need to re-enumerate if we've seen a device added or removed, so
let's filter out the change event first.

Signed-off-by: Steven Noonan <steven@valvesoftware.com>
Signed-off-by: Sam Lantinga <slouken@libsdl.org>
2021-04-22 16:40:16 -07:00
.github
Delete gh-pages.yml
2021-04-01 16:36:06 -04:00
acinclude
acinclude/libtool.m4: Apply macos11 patch from libtool bug #44605
2021-01-09 00:11:20 +03:00
android-project
Android: don't need to set the SurfaceHolder format from java code
2021-04-22 18:06:17 +02:00
android-project-ant
Added the old ant Android build project structure
2017-10-28 12:11:25 -07:00
build-scripts
wikiheaders: fixed regex for converting markdown bold+italic to mediawiki.
2021-03-25 12:52:15 -04:00
cmake
configure/cmake: Hook up Emscripten threads (disabled by default).
2021-04-04 00:16:30 -04:00
debian
debian: Align to debian packaging scheme
2021-04-07 13:57:23 -07:00
docs
Revert "Update wiki.libsdl.org urls to libsdl-org/SDL/wiki (#4069)"
2021-04-01 12:15:28 -04:00
include
Add SDL_SetWindowAlwaysOnTop()
2021-04-20 08:45:28 -07:00
src
HIDAPI_UpdateDiscovery: only treat "add" and "remove" events as relevant
2021-04-22 16:40:16 -07:00
test
bump minimum required autoconf version and revise autogen.sh
2021-04-14 23:20:40 +03:00
VisualC
Added Stadia controller source file to Visual Studio and Xcode projects
2021-01-24 00:51:26 -05:00
VisualC-WinRT
Add SDL_cond implementation using Windows Condition Variables
2020-12-28 11:43:11 -08:00
visualtest
fix permissions of a few files
2021-02-22 15:44:32 +03:00
wayland-protocols
wayland: Drop support for kwin specific decoration management
2021-04-07 13:54:07 -07:00
Xcode
fix permissions of a few files
2021-02-22 15:44:32 +03:00
Xcode-iOS
Added weak linking to hidapi framework
2020-11-17 10:29:36 -08:00
.gitignore
git: Ignore debian generated files
2021-04-05 15:38:32 -04:00
Android.mk
AAudio: add compilation to Android.mk, but not activated in SDL_config_android.h
2021-04-15 21:03:10 +02:00
autogen.sh
bump minimum required autoconf version and revise autogen.sh
2021-04-14 23:20:40 +03:00
BUGS.txt
Cleaned up a few more Bugzilla mentions.
2021-02-12 14:46:49 -05:00
cmake_uninstall.cmake.in
Fixed bug 3867 - Can't find install_manifest.txt when running 'uninstall' target
2017-10-12 08:44:45 -07:00
CMakeLists.txt
Android: enable audio driver OpenSLES when building with CMake
2021-04-16 09:44:07 +02:00
configure
rename PKG_CONFIG_LIBS_PRIV to PKGCONFIG_LIBS_PRIV
2021-04-14 21:40:50 +03:00
configure.ac
bump minimum required autoconf version and revise autogen.sh
2021-04-14 23:20:40 +03:00
CREDITS.txt
Fixed crash if initialization of EGL failed but was tried again later.
2015-06-21 17:33:46 +02:00
INSTALL.txt
Fixed up legacy MoinMoin URLs at wiki.libsdl.org
2021-04-01 12:20:33 -04:00
LICENSE.txt
license: Fixing the license file to be correctly scooped up by Github automation
2021-02-17 13:08:13 -05:00
Makefile.in
SDL: Updated patches for HAIKU
2021-03-13 18:36:01 -08:00
Makefile.minimal
Added a dummy sensor driver
2018-08-21 13:29:21 -07:00
Makefile.os2
old os2 analogue joystick code ported from SDL-1.2. disabled by default,
2021-01-24 00:51:25 -05:00
Makefile.pandora
Added a dummy sensor driver
2018-08-21 13:29:21 -07:00
Makefile.psp
added SDL_strtokr() as a replacement for POSIX strtok_r (bug #4046.)
2019-11-20 20:40:50 +03:00
Makefile.wiz
Added a dummy sensor driver
2018-08-21 13:29:21 -07:00
README-SDL.txt
More HTTPS changes in the documentation.
2017-02-16 16:52:03 -05:00
README.md
Update and rename README.txt to README.md
2021-03-20 18:46:37 -04:00
sdl2-config-version.cmake.in
cmake: Forgot to add this file to revision control.
2020-02-25 14:52:03 -05:00
sdl2-config.cmake.in
build: Merge pkg-config Libs.private into Libs for static-only builds
2020-04-11 23:38:34 +01:00
sdl2-config.in
build: Don't duplicate Libs in Libs.private in pkg-config file
2020-04-12 13:24:36 +01:00
sdl2.m4
acinclude & sdl2.m4 updates:
2020-12-22 17:00:28 +03:00
sdl2.pc.in
rename PKG_CONFIG_LIBS_PRIV to PKGCONFIG_LIBS_PRIV
2021-04-14 21:40:50 +03:00
SDL2.spec.in
license: Fixed references to COPYING.txt that are now LICENSE.txt.
2021-02-18 11:07:26 -05:00
SDL2Config.cmake
Fixed bug 3651 - CMake build does not install CMake package configuration
2017-08-09 19:03:10 -07:00
TODO.txt
Fixed up legacy MoinMoin URLs at wiki.libsdl.org
2021-04-01 12:20:33 -04:00
WhatsNew.txt
Fixed the name of the PS5 hint
2020-12-09 10:39:36 -08:00

README.md

Simple DirectMedia Layer (SDL) Version 2.0

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 via OpenGL and Direct3D. 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

Enjoy!

Sam Lantinga (slouken@libsdl.org)

Description
Simple Directmedia Layer
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