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Simple DirectMedia Layer https://libsdl.org
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Frank Praznik 73fc274ef7 renderer: Check the surface validity flag when re-acquiring the surface in the software renderer 
If a size change occurs, the sdl2-compat event handler will flush the renderer, which will cause the software renderer to re-acquire a surface that was invalidated due to the size change. However, if the OnWindowPixelSizeChanged handler is called afterward, the invalid flag will be set on the surface, causing presentation to fail.

Check both for a null surface pointer and an invalid surface flag when checking surface validity in the software renderer.
2026-04-27 12:56:58 -04:00
.github setup-djgpp-toolchain/action.yml: Fixed typo. 2026-04-25 14:31:29 -04:00
android-project Fixed keyboard being hidden while being shown on Android 2026-04-25 17:10:54 -07:00
build-scripts Add DOS platform support (DJGPP) (#15377) 2026-04-23 19:54:49 -04:00
cmake macros.cmake: PrintEnabledBackends should catch underscores. 2026-04-25 14:31:30 -04:00
docs docs/README-platforms.md: Add DOS. 2026-04-27 18:04:02 +03:00
examples Fix potential leak in camera example 2026-04-21 07:27:58 -04:00
include atomic: Use __atomic_signal_fence() for SDL_CompilerBarrier() 2026-04-26 22:03:34 -05:00
src renderer: Check the surface validity flag when re-acquiring the surface in the software renderer 2026-04-27 12:56:58 -04:00
test Add DOS platform support (DJGPP) (#15377) 2026-04-23 19:54:49 -04:00
VisualC testtray: created VS project and added new click callbacks 2026-02-05 11:08:05 -08:00
VisualC-GDK gdk: Update Suspend/Resume best practices. 2026-03-07 11:19:09 -05:00
wayland-protocols wayland: bind cursor-shape-v1 at protocol version 2 2026-04-14 10:22:48 -04:00
Xcode Hiding OpenGLES API deprecation since iOS 12.0 warning 2026-02-15 10:57:07 -08:00
.clang-format Add CHECK_PARAM as a conditional macro in clang-format 2026-04-03 11:47:41 -04:00
.clang-tidy
.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 GPU: OpenXR integration (#14837) 2026-01-30 17:18:51 -05:00
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: also check iconv on Windows when SDL_SYSTEM_ICONV is defined 2026-04-25 20:50:15 +03:00
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)