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292 lines
10 KiB
Markdown
292 lines
10 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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## Introduction
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GLFW is a free, Open Source, multi-platform library for OpenGL, OpenGL ES and
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Vulkan application development. It provides a simple, platform-independent API
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for creating windows, contexts and surfaces, reading input, handling events, etc.
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Version 3.2 adds support for Vulkan surface creation, window mode switching,
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window maximization, window input focus control, window size and aspect ratio
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limits, human-readable key names, window icons, joystick connection events,
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XInput and DirectInput joystick input, event waiting with timeout, 64-bit
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integer raw timer, context-less window creation, error-less contexts via
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`GL_KHR_no_error` (where available), run-time context creation API selection,
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Windows 8.1 per-monitor DPI and the CMake config-file package system, adds
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simpler build-time configuration, improved documentation and fixes for a large
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number of bugs that together affect all supported platforms.
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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
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3 useful. If you have used GLFW 2 in the past, there is a
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[transition guide](http://www.glfw.org/docs/latest/moving.html) for moving to
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the GLFW 3 API.
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## Compiling GLFW
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See the [Compiling GLFW](http://www.glfw.org/docs/latest/compile.html) guide in
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the GLFW documentation.
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## Using GLFW
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See the
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[Building programs that use GLFW](http://www.glfw.org/docs/latest/build.html)
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guide in the GLFW documentation.
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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 always include the name and version of the OS where the bug occurs and
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the version of GLFW used. If you have cloned it, include the commit ID used.
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If it's a build issue, please also include the build log and the name and
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version of your development environment.
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If it's a context creation issue, please also include the make and model of your
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graphics card and the version of your driver.
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This will help both us and other people experiencing the same bug.
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## Dependencies
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GLFW itself needs only the headers and libraries for your window system. It
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does not need the headers for any context creation API (WGL, GLX, EGL, NSGL) or
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rendering API (OpenGL, OpenGL ES, Vulkan) to enable support for them.
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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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- An OpenGL 3.2 core loader generated by
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[glad](https://github.com/Dav1dde/glad) for examples using modern OpenGL
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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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- [Vulkan headers](https://www.khronos.org/registry/vulkan/) for Vulkan tests
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The Vulkan example additionally requires the Vulkan SDK to be installed, or it
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will not be included in the build.
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The documentation is generated with [Doxygen](http://doxygen.org/). If CMake
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does not find Doxygen, the documentation will not be generated.
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## Changelog
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- Added `glfwVulkanSupported`, `glfwGetRequiredInstanceExtensions`,
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`glfwGetInstanceProcAddress`, `glfwGetPhysicalDevicePresentationSupport` and
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`glfwCreateWindowSurface` for platform independent Vulkan support
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- Added `glfwSetWindowMonitor` for switching between windowed and full screen
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modes and updating the monitor and desired video mode of full screen windows
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- Added `glfwMaximizeWindow` and `GLFW_MAXIMIZED` for window maximization
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- Added `glfwFocusWindow` for giving windows input focus
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- Added `glfwSetWindowSizeLimits` and `glfwSetWindowAspectRatio` for setting
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absolute and relative window size limits
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- Added `glfwGetKeyName` for querying the layout-specific name of printable
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keys
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- Added `glfwWaitEventsTimeout` for waiting for events for a set amount of time
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- Added `glfwSetWindowIcon` for setting the icon of a window
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- Added `glfwGetTimerValue` and `glfwGetTimerFrequency` for raw timer access
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- Added `glfwSetJoystickCallback` and `GLFWjoystickfun` for joystick connection
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and disconnection events
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- Added `GLFW_NO_API` for creating window without contexts
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- Added `GLFW_INCLUDE_VULKAN` for including the Vulkan header
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- Added `GLFW_CONTEXT_CREATION_API`, `GLFW_NATIVE_CONTEXT_API` and
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`GLFW_EGL_CONTEXT_API` for run-time context creation API selection
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- Added `GLFW_CONTEXT_NO_ERROR` context hint for `GL_KHR_no_error` support
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- Added `GLFW_TRUE` and `GLFW_FALSE` as client API independent boolean values
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- Added icons to examples on Windows and OS X
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- Relaxed rules for native access header macros
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- Removed dependency on external OpenGL or OpenGL ES headers
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- Removed `_GLFW_USE_OPENGL`, `_GLFW_USE_GLESV1`, `_GLFW_USE_GLESV2`,
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`_GLFW_WGL`, `_GLFW_NSGL`, `_GLFW_GLX` and `_GLFW_EGL` configuration macros
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- [Win32] Added support for Windows 8.1 per-monitor DPI
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- [Win32] Replaced winmm with XInput and DirectInput for joystick input
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- [Win32] Bugfix: Window creation would segfault if video mode setting required
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the system to be restarted
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- [Win32] Bugfix: MinGW import library lacked the `lib` prefix
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- [Win32] Bugfix: Monitor connection and disconnection events were not reported
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when no windows existed
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- [Win32] Bugfix: Activating or deactivating displays in software did not
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trigger monitor callback
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- [Win32] Bugfix: No monitors were listed on headless and VMware guest systems
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- [Win32] Bugfix: Pressing Ctrl+Pause would report `GLFW_KEY_UNKNOWN`
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- [Win32] Bugfix: Window size events would be reported in wrong order when
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restoring a full screen window
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- [Cocoa] Made joystick polling more efficient
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- [Cocoa] Removed support for OS X 10.6
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- [Cocoa] Bugfix: Full screen windows on secondary monitors were mispositioned
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- [Cocoa] Bugfix: Connecting a joystick that reports no name would segfault
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- [Cocoa] Bugfix: Modifier flags cache was not updated when window became key
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- [Cocoa] Bugfix: Dead key character composition did not work
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- [Cocoa] Bugfix: The CGL context was not released until the autorelease pool
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was drained by another function
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- [X11] Bugfix: Monitor connection and disconnection events were not reported
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- [X11] Bugfix: Decoding of UTF-8 text from XIM could continue past the end
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- [X11] Bugfix: An XKB structure was leaked during `glfwInit`
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- [X11] Bugfix: XInput2 `XI_Motion` events interfered with the Steam overlay
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- [POSIX] Bugfix: An unrelated TLS key could be deleted by `glfwTerminate`
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- [Linux] Made joystick polling more efficient
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- [WGL] Changed extension loading to only be performed once
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- [WGL] Removed dependency on external WGL headers
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- [GLX] Added `glfwGetGLXWindow` to query the `GLXWindow` of a window
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- [GLX] Replaced legacy drawable with `GLXWindow`
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- [GLX] Removed dependency on external GLX headers
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- [GLX] Bugfix: NetBSD does not provide `libGL.so.1`
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- [EGL] Added `_GLFW_USE_EGLPLATFORM_H` configuration macro for controlling
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whether to use an existing `EGL/eglplatform.h` header
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- [EGL] Added and documented test for if the context is current on the calling
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thread during buffer swap
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- [EGL] Removed dependency on external EGL headers
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## Contact
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The official website for GLFW is [glfw.org](http://www.glfw.org/). There you
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can find the latest version of GLFW, as well as news, documentation and other
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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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[support forum](http://discourse.glfw.org/), and the IRC
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channel `#glfw` on [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 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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- artblanc
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- arturo
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- Matt Arsenault
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- Keith Bauer
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- John Bartholomew
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- Niklas Behrens
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- Niklas Bergström
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- Doug Binks
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- blanco
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- Martin Capitanio
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- Chi-kwan Chan
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- Lambert Clara
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- Andrew Corrigan
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- Noel Cower
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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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- Jonathan Dummer
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- Ralph Eastwood
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- Siavash Eliasi
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- Michael Fogleman
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- Gerald Franz
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- GeO4d
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- Marcus Geelnard
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- Eloi Marín Gratacós
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- Stefan Gustavson
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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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- IntellectualKitty
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- Aaron Jacobs
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- Toni Jovanoski
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- Arseny Kapoulkine
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- Osman Keskin
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- Cameron King
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- Peter Knut
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- Christoph Kubisch
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- Eric Larson
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- Robin Leffmann
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- Glenn Lewis
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- Shane Liesegang
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- Eyal Lotem
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- Дмитри Малышев
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- Martins Mozeiko
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- Tristam MacDonald
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- Hans Mackowiak
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- Zbigniew Mandziejewicz
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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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- 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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- Jon Morton
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- Pierre Moulon
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- Julian Møller
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- Kamil Nowakowski
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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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- Arturo J. Pérez
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- Orson Peters
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- Emmanuel Gil Peyrot
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- Cyril Pichard
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- Pieroman
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- Jorge Rodriguez
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- Ed Ropple
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- Aleksey Rybalkin
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- Riku Salminen
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- Brandon Schaefer
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- Sebastian Schuberth
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- Matt Sealey
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- SephiRok
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- Steve Sexton
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- Systemcluster
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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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- Julian Squires
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- Johannes Stein
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- Justin Stoecker
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- Elviss Strazdins
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- Nathan Sweet
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- TTK-Bandit
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- Sergey Tikhomirov
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- A. Tombs
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- Ioannis Tsakpinis
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- Samuli Tuomola
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- urraka
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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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- Torsten Walluhn
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- Patrick Walton
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- Xo Wang
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- Jay Weisskopf
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- Frank Wille
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- yuriks
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- Santi Zupancic
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- Jonas Ådahl
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- Lasse Öörni
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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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