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Ryan C. Gordon c54c16d353
wayland: don't hang in SDL_GL_SwapBuffers if the compositor is ghosting us. 
If you hide a window on Mutter, for example, the compositor never requests
new frames, which will cause Mesa to block forever in eglSwapBuffers to
satisfy the swap interval.

We now always set the swap interval to 0 and manage this ourselves, handing
the frame to Wayland when it requests a new one, and timing out at 10fps just
to keep apps moving if the compositor wants no frames at all.

My understanding is that other protocols are coming that might improve upon
this solution, but for now it solves the total hang.

Fixes #4335.
 		2021-04-30 13:20:35 -04:00
.github Delete gh-pages.yml 2021-04-01 16:36:06 -04:00
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
Xcode cocoa: Remove mouse event tap. 2021-04-26 18:43:28 -04:00
Xcode-iOS Added weak linking to hidapi framework 2020-11-17 10:29:36 -08:00
acinclude acinclude/libtool.m4: Apply macos11 patch from libtool bug #44605 2021-01-09 00:11:20 +03:00
android-project Fixed bug #4228: move from jcenter() to mavenCentral() 2021-04-30 09:48:29 +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 CMake: fixes to pthreads detection. 2021-04-25 01:28:03 +03:00
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 wayland: don't hang in SDL_GL_SwapBuffers if the compositor is ghosting us. 2021-04-30 13:20:35 -04:00
src wayland: don't hang in SDL_GL_SwapBuffers if the compositor is ghosting us. 2021-04-30 13:20:35 -04:00
test bump minimum required autoconf version and revise autogen.sh 2021-04-14 23:20:40 +03:00
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
.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
BUGS.txt Cleaned up a few more Bugzilla mentions. 2021-02-12 14:46:49 -05:00
CMakeLists.txt Remove gles2 vita render 2021-04-24 14:13:09 -07:00
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.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
autogen.sh bump minimum required autoconf version and revise autogen.sh 2021-04-14 23:20:40 +03:00
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
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
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

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)