GLFW

Introduction

GLFW is a free, Open Source, multi-platform library for OpenGL and OpenGL ES application development. It provides a simple, platform-independent API for creating windows and contexts, reading input, handling events, etc.

Version 3.1 is not yet described.

If you are new to GLFW, you may find the introductory tutorial for GLFW 3 useful. If you have used GLFW 2 in the past, there is a transition guide for moving to the GLFW 3 API.

Note that a number of source files have been added or renamed in 3.1, which may require you to update any custom build files you have.

Compiling GLFW

See the Compiling GLFW guide in the GLFW documentation.

Using GLFW

See the Building programs that use GLFW guide in the GLFW documentation.

Dependencies

GLFW bundles a number of dependencies in the deps/ directory.

Khronos extension headers for API extension symbols used by GLFW
getopt_port for examples with command-line options
TinyCThread for threaded examples
An OpenGL 3.2 core loader generated by glad for examples using modern OpenGL

Changelog

Added GLFWcursor custom system cursor handle
Added glfwCreateCursor, glfwDestroyCursor and glfwSetCursor for managing custom system cursors
Added GLFWimage struct for passing 32-bit RGBA images
Added native monitor handle access to native API
Added glfwSetDropCallback and GLFWdropfun for receiving dropped files
Added glfwPostEmptyEvent for allowing secondary threads to cause glfwWaitEvents to return
Added empty test program for verifying posting of empty events
Added glfwSetCharModsCallback for receiving character events with modifiers
Added glfwGetWindowFrameSize for retrieving the size of the frame around the client area of a window
Added GLFW_AUTO_ICONIFY for controlling whether full screen windows automatically iconify (and restore the previous video mode) on focus loss
Added GLFW_DONT_CARE for indicating that any value is acceptable
Added GLFW_DOUBLEBUFFER for controlling whether to use double buffering
Added GLFW_INCLUDE_ES31 for including the OpenGL ES 3.1 header
Added GLFW_FLOATING for creating always-on-top windowed mode windows
Added partial and experimental support for Wayland
Bugfix: The debug context attribute was set from GL_ARB_debug_output even when a debug context had not been requested
Bugfix: The particles example was not linked against the threading library
Bugfix: The cursor was not positioned over newly created full screen windows
[Cocoa] Added _GLFW_USE_RETINA to control whether windows will use the full resolution on Retina displays
[Cocoa] Bugfix: Using a 1x1 cursor for hidden mode caused some screen recorders to fail
[Cocoa] Bugfix: Some Core Foundation objects were leaked during joystick enumeration and termination
[Cocoa] Bugfix: One copy of each display name string was leaked
[Cocoa] Bugfix: Monitor enumeration caused a segfault if no NSScreen was found for a given CGDisplay
[Cocoa] Bugfix: Modifier key events were lost if the corresponding modifier bit field was unchanged
[Win32] Enabled generation of pkg-config file for MinGW
[Win32] Bugfix: Failure to load winmm or its functions was not reported to the error callback
[Win32] Bugfix: Some keys were reported based on the current layout instead of their physical location
[Win32] Bugfix: Maximized hidden windows were restored by glfwShowWindow
[Win32] Bugfix: Context re-creation was not triggered by sRGB hint
[X11] Added run-time support for systems lacking the XKB extension
[X11] Made GLX 1.3 the minimum supported version
[X11] Bugfix: The case of finding no usable CRTCs was not detected
[X11] Bugfix: Detection of broken Nvidia RandR gamma support did not verify that at least one CRTC was present
[X11] Bugfix: A stale _NET_SUPPORTING_WM_CHECK root window property would cause an uncaught BadWindow error
[X11] Bugfix: No check was made for the presence of GLX 1.3 when GLX_SGIX_fbconfig was unavailable
[X11] Bugfix: The message type of ICCCM protocol events was not checked
[X11] Bugfix: glfwDestroyWindow did not flush the output buffer
[X11] Bugfix: Window frame interactions were reported as focus events
[X11] Bugfix: Workaround for legacy Compiz caused flickering during resize
[X11] Bugfix: The name pointer of joysticks were not cleared on disconnection

Contact

The official website for GLFW is glfw.org. There you can find the latest version of GLFW, as well as news, documentation and other information about the project.

If you have questions related to the use of GLFW, we have a support forum, and the IRC channel #glfw on Freenode.

If you have a bug to report, a patch to submit or a feature you'd like to request, please file it in the issue tracker on GitHub.

Finally, if you're interested in helping out with the development of GLFW or porting it to your favorite platform, we have an occasionally active developer's mailing list, or you could join us on #glfw.

Acknowledgements

GLFW exists because people around the world donated their time and lent their skills.

Bobyshev Alexander
artblanc
arturo
Matt Arsenault
Keith Bauer
John Bartholomew
Niklas Behrens
Niklas Bergström
Doug Binks
blanco
Lambert Clara
Andrew Corrigan
Noel Cower
Jarrod Davis
Olivier Delannoy
Paul R. Deppe
Michael Dickens
Jonathan Dummer
Ralph Eastwood
Michael Fogleman
Gerald Franz
GeO4d
Marcus Geelnard
Stefan Gustavson
Sylvain Hellegouarch
Matthew Henry
heromyth
Paul Holden
Toni Jovanoski
Osman Keskin
Cameron King
Peter Knut
Robin Leffmann
Glenn Lewis
Shane Liesegang
Дмитри Малышев
Martins Mozeiko
Tristam MacDonald
Hans Mackowiak
Kyle McDonald
David Medlock
Jonathan Mercier
Marcel Metz
Kenneth Miller
Bruce Mitchener
Jack Moffitt
Jeff Molofee
Jon Morton
Pierre Moulon
Julian Møller
Kamil Nowakowski
Ozzy
Andri Pálsson
Peoro
Braden Pellett
Arturo J. Pérez
Pieroman
Jorge Rodriguez
Ed Ropple
Riku Salminen
Sebastian Schuberth
Matt Sealey
SephiRok
Steve Sexton
Systemcluster
Dmitri Shuralyov
Daniel Skorupski
Bradley Smith
Julian Squires
Johannes Stein
Justin Stoecker
Nathan Sweet
TTK-Bandit
Sergey Tikhomirov
Samuli Tuomola
urraka
Jari Vetoniemi
Ricardo Vieira
Simon Voordouw
Torsten Walluhn
Jay Weisskopf
Frank Wille
yuriks
Santi Zupancic
Jonas Ådahl
Lasse Öörni
All the unmentioned and anonymous contributors in the GLFW community, for bug reports, patches, feedback, testing and encouragement

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