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Sam Lantinga c699f3d1d8 Updated SDL high DPI support 
We have gotten feedback that abstracting the coordinate system based on the display scale is unexpected and it is difficult to adapt existing applications to the proposed API.

The new approach is to provide the coordinate systems that people expect, but provide additional information that will help applications properly handle high DPI situations.

The concepts needed for high DPI support are documented in README-highdpi.md. An example of automatically adapting the content to display scale changes can be found in SDL_test_common.c, where auto_scale_content is checked.

Also, the SDL_WINDOW_ALLOW_HIGHDPI window flag has been replaced by the SDL_HINT_VIDEO_ENABLE_HIGH_PIXEL_DENSITY hint.

Fixes https://github.com/libsdl-org/SDL/issues/7709
2023-05-17 12:58:00 -07:00
.github ci: use Haiku cross toolchain 2023-05-04 08:26:54 -04:00
android-project Android: control activity re-creation 2023-05-12 07:48:33 -07:00
build-scripts Updated SDL high DPI support 2023-05-17 12:58:00 -07:00
cmake rwlock: Added SDL_rwlock API for shared locks. 2023-04-27 21:54:02 -04:00
docs Updated SDL high DPI support 2023-05-17 12:58:00 -07:00
include Updated SDL high DPI support 2023-05-17 12:58:00 -07:00
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 Updated SDL high DPI support 2023-05-17 12:58:00 -07:00
test Updated SDL high DPI support 2023-05-17 12:58:00 -07:00
VisualC rwlock: Added SDL_rwlock API for shared locks. 2023-04-27 21:54:02 -04:00
VisualC-GDK rwlock: Added SDL_rwlock API for shared locks. 2023-04-27 21:54:02 -04:00
VisualC-WinRT rwlock: Added SDL_rwlock API for shared locks. 2023-04-27 21:54:02 -04:00
wayland-protocols wayland: Support axis relative direction 2023-04-05 08:58:12 -04:00
Xcode rwlock: Added SDL_rwlock API for shared locks. 2023-04-27 21:54:02 -04:00
.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
.editorconfig Fixed formatting for Haiku cc files 2023-01-25 03:03:41 -08:00
.gitignore include: add \brief to includes 2023-02-19 10:01:33 -08:00
.wikiheaders-options sdlwiki: SDL3 advises users to include through 'SDL3/SDL.h' 2023-03-21 02:19:19 +01:00
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 rwlock: Added SDL_rwlock API for shared locks. 2023-04-27 21:54:02 -04:00
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 Android: control activity re-creation 2023-05-12 07:48:33 -07:00

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)