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Simple Directmedia Layer
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Sylvain Becker 7b8bac5958 Add fast paths in BlitNtoNKey 
All following conversions are faster (with colorkey, but no blending).
(ratio isn't very accurate)

ABGR8888 -> BGR888 :  faster x9   (2699035 -> 297425)

ARGB8888 -> RGB888 :  faster x8   (2659266 -> 296137)

BGR24 -> BGR24 :  faster x5   (2232482 -> 445897)
BGR24 -> RGB24 :  faster x4   (2150023 -> 448576)

BGR888 -> ABGR8888 :  faster x8   (2649957 -> 307595)

BGRA8888 -> BGRX8888 :  faster x9   (2696041 -> 297596)

BGRX8888 -> BGRA8888 :  faster x8   (2662011 -> 299463)
BGRX8888 -> BGRX8888 :  faster x9   (2733346 -> 295045)

RGB24 -> BGR24 :  faster x4   (2154551 -> 485262)
RGB24 -> RGB24 :  faster x4   (2149878 -> 484870)

RGB888 -> ARGB8888 :  faster x8   (2762877 -> 324946)

RGBA8888 -> RGBX8888 :  faster x8   (2657855 -> 297753)

RGBX8888 -> RGBA8888 :  faster x8   (2661360 -> 296655)
RGBX8888 -> RGBX8888 :  faster x8   (2649287 -> 308268)
2019-01-30 22:50:20 +01:00
acinclude acinclude: rename ax_gcc_x86_cpuid.m4.htm to ax_gcc_x86_cpuid.m4 2018-09-15 09:24:04 +03:00
android-project Android: remove duplicate code in SDLGenericMotionListener_API24 2019-01-17 16:30:19 +01:00
android-project-ant Added the old ant Android build project structure 2017-10-28 12:11:25 -07:00
build-scripts Updated minimum supported Android version to API 16, to match latest NDK toolchain 2019-01-12 12:11:06 -08:00
cmake mir: Removed mir client support. 2018-11-02 21:34:17 -04:00
debian Updated copyright for 2019 2019-01-04 22:01:14 -08:00
docs Updated minimum supported Android version to API 16, to match latest NDK toolchain 2019-01-12 12:11:06 -08:00
include Initial Android OpenSL ES implementation, contributed by ANTA 2019-01-12 12:18:44 -08:00
src Add fast paths in BlitNtoNKey 2019-01-30 22:50:20 +01:00
test Updated copyright for 2019 2019-01-04 22:01:14 -08:00
VisualC Remove machine-specific IncludePath from SDL.vcxproj 2018-10-12 22:05:58 -07:00
VisualC-WinRT Added display event files to the Visual Studio projects 2018-08-23 02:48:47 -07:00
visualtest ran 'chmod -x' on many files 2018-06-12 14:00:15 +03:00
wayland-protocols wayland: ask xdg-decoration protocol extension to use server-side decorations if possible. 2018-11-04 21:08:40 +01:00
Xcode Updated copyright for 2019 2019-01-04 22:01:14 -08:00
Xcode-iOS fix permissions 2018-11-15 07:20:02 +03:00
.hgignore First pass on the new SDL sensor API 2018-08-21 12:11:34 -07:00
Android.mk Initial Android OpenSL ES implementation, contributed by ANTA 2019-01-12 12:18:44 -08:00
autogen.sh Don't use pushd/popd in autogen.sh; Ubuntu's /bin/sh doesn't support it. 2016-12-26 22:58:58 -05:00
BUGS.txt BUGS.txt: Changed mailing list link to discourse.libsdl.org. 2017-04-01 00:05:25 -04:00
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 cmake: Comment out some debug logging that can upset build environments. 2018-12-02 02:43:32 -05:00
configure Fixed bug 4379 - fix parallel build with slibtool 2018-12-08 11:22:50 -08:00
configure.in Fixed bug 4379 - fix parallel build with slibtool 2018-12-08 11:22:50 -08:00
COPYING.txt Updated copyright for 2019 2019-01-04 22:01:14 -08:00
CREDITS.txt Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
INSTALL.txt More HTTPS doc tweaks. 2017-02-16 16:59:07 -05:00
Makefile.in Fixed bug 4379 - fix parallel build with slibtool 2018-12-08 11:22:50 -08:00
Makefile.minimal Added a dummy sensor driver 2018-08-21 13:29:21 -07:00
Makefile.os2 minor update to Makefile.os2, added a test/Makefile.os2. 2018-11-20 10:55:00 +03:00
Makefile.pandora Added a dummy sensor driver 2018-08-21 13:29:21 -07:00
Makefile.psp Added a dummy sensor driver 2018-08-21 13:29:21 -07:00
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.txt readme: correct webpage URL to use HTTPS. 2017-02-16 13:30:34 -05:00
sdl2-config.cmake.in Applied Ubuntu patch bug_822210_fix_sdl2-config.cmake_whitespace.patch 2016-10-07 15:08:37 -07:00
sdl2-config.in Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
sdl2.m4 Fixed bug 3429 - Update AM_PATH_SDL2() to also check for SDL2.framework 2016-09-29 16:37:08 -07:00
sdl2.pc.in Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
SDL2.spec.in Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
SDL2Config.cmake Fixed bug 3651 - CMake build does not install CMake package configuration 2017-08-09 19:03:10 -07:00
TODO.txt Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
VisualC.html Fixed two typos in documentation. 2016-01-12 22:23:53 +01:00
WhatsNew.txt Added patch note for SDL_GameControllerGetPlayerIndex() and friends 2018-10-26 09:49:27 -07:00

README.txt 

                         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)