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470 lines
16 KiB
Markdown
470 lines
16 KiB
Markdown
# GLFW
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[](https://travis-ci.org/glfw/glfw)
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[](https://ci.appveyor.com/project/elmindreda/glfw)
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[](https://scan.coverity.com/projects/glfw-glfw)
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## Introduction
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GLFW is an Open Source, multi-platform library for OpenGL, OpenGL ES and Vulkan
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application development. It provides a simple, platform-independent API for
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creating windows, contexts and surfaces, reading input, handling events, etc.
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GLFW natively supports Windows, macOS and Linux and other Unix-like systems. On
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Linux both X11 and Wayland are supported.
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GLFW is licensed under the [zlib/libpng
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license](http://www.glfw.org/license.html).
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You can [download](http://www.glfw.org/download.html) the latest stable release
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as source or Windows binaries, or fetch the `latest` branch from GitHub. Each
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release starting with 3.0 also has a corresponding [annotated
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tag](https://github.com/glfw/glfw/releases) with source and binary archives.
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The [documentation](http://www.glfw.org/docs/latest/) is available online and is
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included in all source and binary archives. See the [release
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notes](https://www.glfw.org/docs/latest/news.html) for new features, caveats and
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deprecations in the latest release. For more details see the [version
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history](http://www.glfw.org/changelog.html).
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The `master` branch is the stable integration branch and _should_ always compile
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and run on all supported platforms, although details of newly added features may
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change until they have been included in a release. New features and many bug
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fixes live in [other branches](https://github.com/glfw/glfw/branches/all) until
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they are stable enough to merge.
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If you are new to GLFW, you may find the
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[tutorial](http://www.glfw.org/docs/latest/quick.html) for GLFW 3 useful. If
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you have used GLFW 2 in the past, there is a [transition
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guide](http://www.glfw.org/docs/latest/moving.html) for moving to the GLFW
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3 API.
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## Compiling GLFW
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GLFW itself requires only the headers and libraries for your OS and window
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system. It does not need the headers for any context creation API (WGL, GLX,
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EGL, NSGL, OSMesa) or rendering API (OpenGL, OpenGL ES, Vulkan) to enable
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support for them.
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GLFW supports compilation on Windows with Visual C++ 2010 and later, MinGW and
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MinGW-w64, on macOS with Clang and on Linux and other Unix-like systems with GCC
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and Clang. It will likely compile in other environments as well, but this is
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not regularly tested.
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There are [pre-compiled Windows binaries](http://www.glfw.org/download.html)
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available for all supported compilers.
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See the [compilation guide](http://www.glfw.org/docs/latest/compile.html) for
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more information about how to compile GLFW yourself.
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## Using GLFW
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See the [documentation](http://www.glfw.org/docs/latest/) for tutorials, guides
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and the API reference.
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## Contributing to GLFW
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See the [contribution
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guide](https://github.com/glfw/glfw/blob/master/docs/CONTRIBUTING.md) for
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more information.
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## System requirements
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GLFW supports Windows XP and later and macOS 10.8 and later. Linux and other
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Unix-like systems running the X Window System are supported even without
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a desktop environment or modern extensions, although some features require
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a running window or clipboard manager. The OSMesa backend requires Mesa 6.3.
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See the [compatibility guide](http://www.glfw.org/docs/latest/compat.html)
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in the documentation for more information.
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## Dependencies
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GLFW itself needs only CMake 3.1 or later and the headers and libraries for your
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OS and window system.
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The examples and test programs depend on a number of tiny libraries. These are
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located in the `deps/` directory.
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- [getopt\_port](https://github.com/kimgr/getopt_port/) for examples
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with command-line options
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- [TinyCThread](https://github.com/tinycthread/tinycthread) for threaded
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examples
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- [glad2](https://github.com/Dav1dde/glad) for loading OpenGL and Vulkan
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functions
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- [linmath.h](https://github.com/datenwolf/linmath.h) for linear algebra in
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examples
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- [Nuklear](https://github.com/Immediate-Mode-UI/Nuklear) for test and example UI
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- [stb\_image\_write](https://github.com/nothings/stb) for writing images to disk
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The documentation is generated with [Doxygen](http://doxygen.org/) if CMake can
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find that tool.
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## Reporting bugs
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Bugs are reported to our [issue tracker](https://github.com/glfw/glfw/issues).
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Please check the [contribution
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guide](https://github.com/glfw/glfw/blob/master/docs/CONTRIBUTING.md) for
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information on what to include when reporting a bug.
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## Changelog
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- Added `GLFW_RESIZE_NWSE_CURSOR`, `GLFW_RESIZE_NESW_CURSOR`,
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`GLFW_RESIZE_ALL_CURSOR` and `GLFW_NOT_ALLOWED_CURSOR` cursor shapes (#427)
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- Added `GLFW_RESIZE_EW_CURSOR` alias for `GLFW_HRESIZE_CURSOR` (#427)
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- Added `GLFW_RESIZE_NS_CURSOR` alias for `GLFW_VRESIZE_CURSOR` (#427)
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- Added `GLFW_POINTING_HAND_CURSOR` alias for `GLFW_HAND_CURSOR` (#427)
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- Added `GLFW_MOUSE_PASSTHROUGH` window hint for letting mouse input pass
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through the window (#1236,#1568)
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- Added `GLFW_FEATURE_UNAVAILABLE` error for platform limitations (#1692)
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- Added `GLFW_FEATURE_UNIMPLEMENTED` error for incomplete backends (#1692)
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- Added `GLFW_ANGLE_PLATFORM_TYPE` init hint and `GLFW_ANGLE_PLATFORM_TYPE_*`
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values to select ANGLE backend (#1380)
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- Made joystick subsystem initialize at first use (#1284,#1646)
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- Updated the minimum required CMake version to 3.1
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- Disabled tests and examples by default when built as a CMake subdirectory
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- Bugfix: The CMake config-file package used an absolute path and was not
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relocatable (#1470)
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- Bugfix: Video modes with a duplicate screen area were discarded (#1555,#1556)
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- Bugfix: Compiling with -Wextra-semi caused warnings (#1440)
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- Bugfix: Built-in mappings failed because some OEMs re-used VID/PID (#1583)
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- Bugfix: Some extension loader headers did not prevent default OpenGL header
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inclusion (#1695)
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- [Win32] Added the `GLFW_WIN32_KEYBOARD_MENU` window hint for enabling access
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to the window menu
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- [Win32] Added a version info resource to the GLFW DLL
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- [Win32] Disabled framebuffer transparency on Windows 7 when DWM windows are
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opaque (#1512)
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- [Win32] Bugfix: `GLFW_INCLUDE_VULKAN` plus `VK_USE_PLATFORM_WIN32_KHR` caused
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symbol redefinition (#1524)
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- [Win32] Bugfix: The cursor position event was emitted before its cursor enter
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event (#1490)
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- [Win32] Bugfix: The window hint `GLFW_MAXIMIZED` did not move or resize the
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window (#1499)
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- [Win32] Bugfix: Disabled cursor mode interfered with some non-client actions
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- [Win32] Bugfix: Super key was not released after Win+V hotkey (#1622)
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- [Win32] Bugfix: `glfwGetKeyName` could access out of bounds and return an
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invalid pointer
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- [Win32] Bugfix: Some synthetic key events were reported as `GLFW_KEY_UNKNOWN`
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(#1623)
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- [Win32] Bugfix: Non-BMP Unicode codepoint input was reported as UTF-16
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- [Win32] Bugfix: Monitor functions could return invalid values after
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configuration change (#1761)
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- [Win32] Bugfix: Initialization would segfault on Windows 8 (not 8.1) (#1775)
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- [Win32] Bugfix: Duplicate size events were not filtered (#1610)
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- [Win32] Bugfix: Full screen windows were incorrectly resized by DPI changes
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(#1582)
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- [Win32] Bugfix: `GLFW_SCALE_TO_MONITOR` had no effect on systems older than
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Windows 10 version 1703 (#1511)
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- [Cocoa] Added support for `VK_EXT_metal_surface` (#1619)
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- [Cocoa] Added locating the Vulkan loader at runtime in an application bundle
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- [Cocoa] Moved main menu creation to GLFW initialization time (#1649)
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- [Cocoa] Changed `EGLNativeWindowType` from `NSView` to `CALayer` (#1169)
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- [Cocoa] Changed F13 key to report Print Screen for cross-platform consistency
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(#1786)
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- [Cocoa] Removed dependency on the CoreVideo framework
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- [Cocoa] Bugfix: `glfwSetWindowSize` used a bottom-left anchor point (#1553)
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- [Cocoa] Bugfix: Window remained on screen after destruction until event poll
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(#1412)
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- [Cocoa] Bugfix: Event processing before window creation would assert (#1543)
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- [Cocoa] Bugfix: Undecorated windows could not be iconified on recent macOS
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- [Cocoa] Bugfix: Touching event queue from secondary thread before main thread
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would abort (#1649)
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- [Cocoa] Bugfix: Non-BMP Unicode codepoint input was reported as UTF-16
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(#1635)
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- [Cocoa] Bugfix: Failing to retrieve the refresh rate of built-in displays
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could leak memory
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- [Cocoa] Bugfix: Objective-C files were compiled as C with CMake 3.19 (#1787)
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- [Cocoa] Bugfix: Duplicate video modes were not filtered out (#1830)
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- [Cocoa] Bugfix: Menubar was not clickable on macOS 10.15+ until it lost and
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regained focus (#1648,#1802)
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- [Cocoa] Bugfix: Monitor name query could segfault on macOS 11 (#1809,#1833)
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- [Cocoa] Bugfix: The install name of the installed dylib was relative (#1504)
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- [X11] Bugfix: The CMake files did not check for the XInput headers (#1480)
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- [X11] Bugfix: Key names were not updated when the keyboard layout changed
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(#1462,#1528)
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- [X11] Bugfix: Decorations could not be enabled after window creation (#1566)
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- [X11] Bugfix: Content scale fallback value could be inconsistent (#1578)
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- [X11] Bugfix: `glfwMaximizeWindow` had no effect on hidden windows
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- [X11] Bugfix: Clearing `GLFW_FLOATING` on a hidden window caused invalid read
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- [X11] Bugfix: Changing `GLFW_FLOATING` on a hidden window could silently fail
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- [X11] Bugfix: Disabled cursor mode was interrupted by indicator windows
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- [X11] Bugfix: Monitor physical dimensions could be reported as zero mm
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- [X11] Bugfix: Window position events were not emitted during resizing (#1613)
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- [X11] Bugfix: `glfwFocusWindow` could terminate on older WMs or without a WM
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- [X11] Bugfix: Querying a disconnected monitor could segfault (#1602)
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- [X11] Bugfix: IME input of CJK was broken for "C" locale (#1587,#1636)
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- [X11] Bugfix: Termination would segfault if the IM had been destroyed
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- [X11] Bugfix: Any IM started after initialization would not be detected
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- [X11] Bugfix: Xlib errors caused by other parts of the application could be
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reported as GLFW errors
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- [X11] Bugfix: A handle race condition could cause a `BadWindow` error (#1633)
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- [X11] Bugfix: XKB path used keysyms instead of physical locations for
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non-printable keys (#1598)
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- [X11] Bugfix: Function keys were mapped to `GLFW_KEY_UNKNOWN` for some layout
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combinaitons (#1598)
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- [X11] Bugfix: Keys pressed simultaneously with others were not always
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reported (#1112,#1415,#1472,#1616)
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- [X11] Bugfix: Some window attributes were not applied on leaving fullscreen
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(#1863)
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- [Wayland] Removed support for `wl_shell` (#1443)
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- [Wayland] Bugfix: The `GLFW_HAND_CURSOR` shape used the wrong image (#1432)
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- [Wayland] Bugfix: `CLOCK_MONOTONIC` was not correctly enabled
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- [Wayland] Bugfix: Repeated keys could be reported with `NULL` window (#1704)
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- [Wayland] Bugfix: Retrieving partial framebuffer size would segfault
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- [Wayland] Bugfix: Scrolling offsets were inverted compared to other platforms
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(#1463)
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- [Wayland] Bugfix: Client-Side Decorations were destroyed in the wrong worder
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(#1798)
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- [Wayland] Bugfix: Monitors physical size could report zero (#1784,#1792)
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- [POSIX] Bugfix: `CLOCK_MONOTONIC` was not correctly tested for or enabled
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- [NSGL] Removed enforcement of forward-compatible flag for core contexts
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- [NSGL] Bugfix: `GLFW_COCOA_RETINA_FRAMEBUFFER` had no effect on newer
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macOS versions (#1442)
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- [NSGL] Bugfix: Workaround for swap interval on 10.14 broke on 10.12 (#1483)
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- [EGL] Added platform selection via the `EGL_EXT_platform_base` extension
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(#442)
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- [EGL] Added ANGLE backend selection via `EGL_ANGLE_platform_angle` extension
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(#1380)
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## Contact
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On [glfw.org](http://www.glfw.org/) you can find the latest version of GLFW, as
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well as news, documentation and other information about the project.
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If you have questions related to the use of GLFW, we have a
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[forum](https://discourse.glfw.org/), and the `#glfw` IRC channel on
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[Freenode](http://freenode.net/).
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If you have a bug to report, a patch to submit or a feature you'd like to
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request, please file it in the
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[issue tracker](https://github.com/glfw/glfw/issues) on GitHub.
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Finally, if you're interested in helping out with the development of GLFW or
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porting it to your favorite platform, join us on the forum, GitHub or IRC.
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## Acknowledgements
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GLFW exists because people around the world donated their time and lent their
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skills.
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- Bobyshev Alexander
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- Laurent Aphecetche
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- Matt Arsenault
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- ashishgamedev
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- David Avedissian
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- Keith Bauer
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- John Bartholomew
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- Coşku Baş
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- Niklas Behrens
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- Andrew Belt
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- Nevyn Bengtsson
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- Niklas Bergström
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- Denis Bernard
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- Doug Binks
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- blanco
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- Kyle Brenneman
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- Rok Breulj
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- Kai Burjack
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- Martin Capitanio
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- Nicolas Caramelli
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- David Carlier
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- Arturo Castro
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- Chi-kwan Chan
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- Ian Clarkson
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- Michał Cichoń
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- Lambert Clara
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- Anna Clarke
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- Yaron Cohen-Tal
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- Omar Cornut
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- Andrew Corrigan
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- Bailey Cosier
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- Noel Cower
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- Jason Daly
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- Jarrod Davis
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- Olivier Delannoy
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- Paul R. Deppe
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- Michael Dickens
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- Роман Донченко
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- Mario Dorn
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- Wolfgang Draxinger
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- Jonathan Dummer
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- Ralph Eastwood
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- Fredrik Ehnbom
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- Robin Eklind
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- Siavash Eliasi
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- Felipe Ferreira
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- Michael Fogleman
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- Gerald Franz
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- Mário Freitas
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- GeO4d
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- Marcus Geelnard
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- Charles Giessen
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- Ryan C. Gordon
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- Stephen Gowen
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- Kovid Goyal
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- Eloi Marín Gratacós
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- Stefan Gustavson
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- Jonathan Hale
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- hdf89shfdfs
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- Sylvain Hellegouarch
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- Matthew Henry
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- heromyth
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- Lucas Hinderberger
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- Paul Holden
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- Warren Hu
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- Charles Huber
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- IntellectualKitty
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- Aaron Jacobs
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- Erik S. V. Jansson
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- Toni Jovanoski
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- Arseny Kapoulkine
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- Cem Karan
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- Osman Keskin
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- Josh Kilmer
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- Byunghoon Kim
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- Cameron King
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- Peter Knut
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- Christoph Kubisch
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- Yuri Kunde Schlesner
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- Rokas Kupstys
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- Konstantin Käfer
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- Eric Larson
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- Francis Lecavalier
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- Jong Won Lee
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- Robin Leffmann
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- Glenn Lewis
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- Shane Liesegang
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- Anders Lindqvist
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- Leon Linhart
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- Marco Lizza
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- Eyal Lotem
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- Aaron Loucks
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- Luflosi
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- lukect
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- Tristam MacDonald
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- Hans Mackowiak
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- Дмитри Малышев
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- Zbigniew Mandziejewicz
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- Adam Marcus
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- Célestin Marot
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- Kyle McDonald
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- David Medlock
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- Bryce Mehring
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- Jonathan Mercier
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- Marcel Metz
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- Liam Middlebrook
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- Ave Milia
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- Jonathan Miller
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- Kenneth Miller
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- Bruce Mitchener
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- Jack Moffitt
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- Jeff Molofee
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- Alexander Monakov
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- Pierre Morel
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- Jon Morton
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- Pierre Moulon
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- Martins Mozeiko
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- Julian Møller
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- ndogxj
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- Kristian Nielsen
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- Kamil Nowakowski
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- onox
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- Denis Ovod
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- Ozzy
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- Andri Pálsson
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- Peoro
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- Braden Pellett
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- Christopher Pelloux
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- Arturo J. Pérez
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- Vladimir Perminov
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- Anthony Pesch
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- Orson Peters
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- Emmanuel Gil Peyrot
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- Cyril Pichard
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- Keith Pitt
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- Stanislav Podgorskiy
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- Konstantin Podsvirov
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- Nathan Poirier
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- Alexandre Pretyman
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- Pablo Prietz
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- przemekmirek
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- pthom
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- Guillaume Racicot
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- Philip Rideout
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- Eddie Ringle
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- Max Risuhin
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- Jorge Rodriguez
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- Luca Rood
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- Ed Ropple
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- Aleksey Rybalkin
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- Mikko Rytkönen
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- Riku Salminen
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- Brandon Schaefer
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- Sebastian Schuberth
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- Christian Sdunek
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- Matt Sealey
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- Steve Sexton
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- Arkady Shapkin
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- Ali Sherief
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- Yoshiki Shibukawa
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- Dmitri Shuralyov
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- Daniel Skorupski
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- Bradley Smith
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- Cliff Smolinsky
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- Patrick Snape
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- Erlend Sogge Heggen
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- Julian Squires
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- Johannes Stein
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- Pontus Stenetorp
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- Michael Stocker
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- Justin Stoecker
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- Elviss Strazdins
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- Paul Sultana
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- Nathan Sweet
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- TTK-Bandit
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- Jared Tiala
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- Sergey Tikhomirov
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- Arthur Tombs
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- Ioannis Tsakpinis
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- Samuli Tuomola
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- Matthew Turner
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- urraka
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- Elias Vanderstuyft
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- Stef Velzel
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- Jari Vetoniemi
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- Ricardo Vieira
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- Nicholas Vitovitch
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- Simon Voordouw
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- Corentin Wallez
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- Torsten Walluhn
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- Patrick Walton
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- Xo Wang
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- Waris
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- Jay Weisskopf
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- Frank Wille
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- Andy Williams
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- Joel Winarske
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- Richard A. Wilkes
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- Tatsuya Yatagawa
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- Ryogo Yoshimura
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- Lukas Zanner
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- Andrey Zholos
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- Aihui Zhu
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- Santi Zupancic
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- Jonas Ådahl
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- Lasse Öörni
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- Leonard König
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- All the unmentioned and anonymous contributors in the GLFW community, for bug
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reports, patches, feedback, testing and encouragement
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