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Simple Directmedia Layer
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Sam Lantinga 824b9b0a58 Removed SDL_GetDisplayDPI() 
This function wasn't consistently correct across platforms and devices.

If you want the UI scale factor, you can use display_scale in the structure returned by SDL_GetDesktopDisplayMode(). If you need an approximate DPI, you can multiply this value times 160 on iPhone and Android, and 96 on other platforms.
2023-02-08 17:35:54 -08:00
.github Add clang-tidy config and CMake/CI support. 2023-02-06 21:02:25 -08:00
android-project Removed SDL_GetDisplayDPI() 2023-02-08 17:35:54 -08:00
build-scripts Use GNU sed if available 2023-02-06 15:47:16 -08:00
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docs Removed SDL_GetDisplayDPI() 2023-02-08 17:35:54 -08:00
include Removed SDL_GetDisplayDPI() 2023-02-08 17:35:54 -08:00
mingw/pkg-support/cmake build: don't add SDL3 subfolder to include path for external projects 2022-11-27 14:33:13 -08:00
src Removed SDL_GetDisplayDPI() 2023-02-08 17:35:54 -08:00
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VisualC-GDK Moved testautomation data out of SDL_test library 2023-01-26 10:25:44 -08:00
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wayland-protocols wayland: Add high-resolution event timestamp support 2022-12-04 16:56:26 -08:00
Xcode cmake: capitalize SDL3::Headers target 2023-01-31 01:59:21 +01:00
.clang-format Commented out syntax that causes Visual Studio 2019 to complain on every edit 2022-12-02 00:43:01 -08:00
.clang-tidy Add clang-tidy config and CMake/CI support. 2023-02-06 21:02:25 -08:00
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.wikiheaders-options wikiheaders: Fixed SDL2 wiki link. 2023-01-26 14:50:52 -05:00
Android.mk Create a static SDL_test library on Android 2023-01-25 13:06:42 -08:00
BUGS.txt Cleaned up a few more Bugzilla mentions. 2021-02-12 14:46:49 -05:00
CMakeLists.txt Add clang-tidy config and CMake/CI support. 2023-02-06 21:02:25 -08:00
CREDITS.txt Use Apple's nomenclature for macOS and iOS 2022-11-25 16:00:06 -08:00
INSTALL.txt Use Apple's nomenclature for macOS and iOS 2022-11-25 16:00:06 -08:00
LICENSE.txt Updated copyright for 2023 2023-01-09 09:41:41 -08:00
README-SDL.txt More HTTPS changes in the documentation. 2017-02-16 16:52:03 -05:00
README.md First pass at changing SDL 2.0 to SDL 3.0 2022-11-21 20:28:58 -08:00
TODO.txt Fixed up legacy MoinMoin URLs at wiki.libsdl.org 2021-04-01 12:20:33 -04:00
WhatsNew.txt Add SDL_ConvertAudioSamples() helper function 2023-01-24 08:26:09 -08:00

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 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)