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Simple Directmedia Layer
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Sam Lantinga 963c9495d3 Fixed bug 5431 - SDL_Metal_GetDrawableSize is inaccurate for high dpi displays if a Metal view has not already been created 
Caleb Cornett

For a window created with SDL_WINDOW_ALLOW_HIGHDPI, SDL_GL_GetDrawableSize will return the high-dpi drawable size even before any GL context creation happens. But SDL_Metal_GetDrawableSize will return the size of the window if the Metal view has not been created. This is confusing and inconsistent behavior.

An easy way to test this is to build testgl2 and testvulkan on macOS with the SDL_WINDOW_ALLOW_HIGHDPI flag enabled during window creation. The GL2 program will report a drawable size of 2x window width and 2x window height, while the Vulkan program will report the window size.

This patch addresses the issue by falling back to using the content view dimensions if no Metal view exists in the window. (The code for this was taken directly from Cocoa_GL_GetDrawableSize.) With this change, the testvulkan behavior matches that of testgl2.

Note that I haven't tested for this issue on UIKit. It's possible a similar change will need to be made there too.
 		2021-01-02 10:11:08 -08:00
VisualC Add SDL_cond implementation using Windows Condition Variables 2020-12-28 11:43:11 -08:00
VisualC-WinRT Add SDL_cond implementation using Windows Condition Variables 2020-12-28 11:43:11 -08:00
Xcode fix permissions 2021-01-01 22:30:28 +03:00
Xcode-iOS Added weak linking to hidapi framework 2020-11-17 10:29:36 -08:00
acinclude acinclude/pkg.m4: update from mainstream pkgconfig tree. 2020-12-22 17:01:50 +03:00
android-project Fixed the Xbox Series X controller showing up twice on Android 2020-12-15 14:57:49 -08:00
android-project-ant Added the old ant Android build project structure 2017-10-28 12:11:25 -07:00
build-scripts fix permissions 2021-01-01 22:30:28 +03:00
cmake [Buildsystem] Only build KMSDRM support if EGL+OpenGL is detected by CMake. 2020-12-22 17:17:30 +01:00
debian Updated SDL to version 2.0.15 for development 2020-12-22 10:36:15 -08:00
docs added documentation docs/README-os2.md (based on original readme.os2). 2020-10-14 23:01:06 +03:00
include Added SDL_RenderGetD3D11Device() to get access to the device associated with the D3D11 renderer 2021-01-01 11:12:30 -08:00
src Fixed bug 5431 - SDL_Metal_GetDrawableSize is inaccurate for high dpi displays if a Metal view has not already been created 2021-01-02 10:11:08 -08:00
test minor update to test/acinclude.m4 (pkg.m4) 2020-12-30 15:53:20 +03:00
visualtest test: unify all the command line usage logging. 2019-05-28 17:39:13 -04:00
wayland-protocols wayland: ask xdg-decoration protocol extension to use server-side decorations if possible. 2018-11-04 21:08:40 +01:00
.hgignore Fixed bug 4965 - Update the .hgignore file 2020-02-03 16:38:07 -08:00
Android.mk minor whitespace fix 2020-10-09 03:28:30 +03:00
BUGS.txt BUGS.txt: Changed mailing list link to discourse.libsdl.org. 2017-04-01 00:05:25 -04:00
CMakeLists.txt removed MSVC strtok_s use from SDL_strtokr(). 2020-12-30 01:00:24 +03:00
COPYING.txt Updated copyright date for 2020 2020-01-16 20:49:25 -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 5399 - make install is broken as it depends on missing rule `build` 2020-12-15 00:42:17 -08:00
Makefile.minimal Added a dummy sensor driver 2018-08-21 13:29:21 -07:00
Makefile.os2 Updated SDL to version 2.0.15 for development 2020-12-22 10:36:15 -08:00
Makefile.pandora Added a dummy sensor driver 2018-08-21 13:29:21 -07:00
Makefile.psp added SDL_strtokr() as a replacement for POSIX strtok_r (bug #4046.) 2019-11-20 20:40:50 +03:00
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.spec.in Fixed bug 4615 - RPM Build fails due to unpackaged files 2019-06-11 19:58:10 -07:00
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 Fixed the name of the PS5 hint 2020-12-09 10:39:36 -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
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
configure configure.ac: directfb dynamic loading support updates: 2020-12-30 15:55:00 +03:00
configure.ac configure.ac: directfb dynamic loading support updates: 2020-12-30 15:55:00 +03:00
sdl2-config-version.cmake.in cmake: Forgot to add this file to revision control. 2020-02-25 14:52:03 -05:00
sdl2-config.cmake.in build: Merge pkg-config Libs.private into Libs for static-only builds 2020-04-11 23:38:34 +01:00
sdl2-config.in build: Don't duplicate Libs in Libs.private in pkg-config file 2020-04-12 13:24:36 +01:00
sdl2.m4 acinclude & sdl2.m4 updates: 2020-12-22 17:00:28 +03:00
sdl2.pc.in build: Merge pkg-config Libs.private into Libs for static-only builds 2020-04-11 23:38:34 +01:00

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)