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Simple DirectMedia Layer https://libsdl.org
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Vicki Pfau 1f73ed85e7 joystick: Fix underflow with 0 delta timestamp 
Some sensors will occasionally report two identical timestamps in a row.
This leads to the timestamp wrapping calculation to underflow, subtracting
0x80000000 from the timestamp whenever it happens. By adjusting the wrap
test, we can just directly add zero to the timestamp, fixing the underflow.
2026-05-29 21:04:01 -07:00
.github Fix Cygwin building and add CI (#15566) 2026-05-15 08:48:24 -07:00
android-project Android: Remove unused accelerometer-related code and definitions 2026-05-29 13:14:09 -07:00
build-scripts wikiheaders: Fix manpages for APIs that return a pointer to a const object. 2026-05-29 21:10:37 -04:00
cmake cmake: Preseed the CMake cache for Haiku OS. 2026-05-27 15:43:16 -04:00
docs docs: bump minimum required Android ndk version 2026-05-27 20:05:50 +02:00
examples examples/demo/04-bytepusher: go back to showing help text on load failures. 2026-05-23 23:56:48 -04:00
include Sync SDL3 wiki -> header 2026-05-27 23:36:18 +00:00
src joystick: Fix underflow with 0 delta timestamp 2026-05-29 21:04:01 -07:00
test render: an empty clip rect should clip all drawing 2026-05-29 13:58:34 -07:00
VisualC examples: Add blending example (#15657) 2026-05-19 21:05:23 -07:00
VisualC-GDK gdk: Update Suspend/Resume best practices. 2026-03-07 11:19:09 -05:00
wayland-protocols revert parts of CodeSpell commit d870911202 from 3rd party sources 2026-05-13 18:00:02 +03:00
Xcode Added curved window mode on visionOS 26 (#15298) 2026-05-12 16:48:06 -07:00
.clang-format Add CHECK_PARAM as a conditional macro in clang-format 2026-04-03 11:47:41 -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 Updated .gitignore for png test data 2025-10-10 08:59:27 -07:00
.wikiheaders-options wikiheaders: Generate a current list of supported environment variables. 2025-09-02 15:49:52 -04:00
AGENTS.md AGENTS.md: Change "may not" to "must not". 2026-04-15 17:26:54 -04:00
Android.mk Add SVE2 SIMD Alpha-Blending Blitter (#15504) 2026-05-13 23:37:46 -07:00
BUGS.txt Added a Discord link to BUGS.txt 2025-01-13 16:42:50 -08:00
CLAUDE.md CLAUDE.md: Just copy the text from AGENTS.md in here for now. 2026-04-16 13:51:49 -04:00
CMakeLists.txt cmake: Preseed the CMake cache for Haiku OS. 2026-05-27 15:43:16 -04:00
CREDITS.md Updated the credits for SDL 3.0 2025-01-13 16:42:50 -08:00
INSTALL.md Add a link to docs/INTRO-mingw.md 2025-03-06 16:25:17 -08:00
LICENSE.txt Updated copyright for 2026 2026-01-01 09:40:08 -08:00
README.md Revert "Update README.md" 2025-11-16 01:15:10 +03:00
WhatsNew.txt Added SDL_HINT_MOUSE_DPI_SCALE_CURSORS 2025-12-09 17:12:08 -08:00

README.md

Simple DirectMedia Layer (SDL for short) is a cross-platform library designed to make it easy to write multi-media software, such as games and emulators.

You can find the latest release and additional information at: https://www.libsdl.org/

Installation instructions and a quick introduction is available in INSTALL.md

This library is distributed under the terms of the zlib license, available in LICENSE.txt.

Enjoy!

Sam Lantinga (slouken@libsdl.org)