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382 lines
14 KiB
Markdown
382 lines
14 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.
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Experimental implementations for the Wayland protocol and the Mir display server
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are available but not yet officially 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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The latest stable release is version 3.2.1.
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See the [downloads](http://www.glfw.org/download.html) page for details and
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files, or fetch the `latest` branch, which always points to the latest stable
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release. Each 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 [version history](http://www.glfw.org/changelog.html) lists all user-visible
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changes for every release.
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This is a development branch for version 3.3, which is _not yet described_.
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Pre-release documentation is available [here](http://www.glfw.org/docs/3.3/).
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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 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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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/.github/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 10.7 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 depends only on the headers and libraries for your window system.
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The (experimental) Wayland backend also depends on the `extra-cmake-modules`
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package, which is used to generated Wayland protocol headers.
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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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- [Nuklear](https://github.com/vurtun/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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- [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. On macOS you need to provide the path to the
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MoltenVK SDK manually as it has no standard installation location.
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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/.github/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 `glfwGetError` function for querying the last error code and its
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description (#970)
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- Added `glfwUpdateGamepadMappings` function for importing gamepad mappings in
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SDL\_GameControllerDB format (#900)
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- Added `glfwJoystickIsGamepad` function for querying whether a joystick has
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a gamepad mapping (#900)
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- Added `glfwGetGamepadName` function for querying the name provided by the
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gamepad mapping (#900)
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- Added `glfwGetGamepadState` function, `GLFW_GAMEPAD_*` and `GLFWgamepadstate`
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for retrieving gamepad input state (#900)
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- Added `glfwRequestWindowAttention` function for requesting attention from the
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user (#732,#988)
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- Added `glfwGetKeyScancode` function that allows retrieving platform dependent
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scancodes for keys (#830)
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- Added `glfwSetWindowMaximizeCallback` and `GLFWwindowmaximizefun` for
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receiving window maximization events (#778)
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- Added `glfwSetWindowAttrib` function for changing window attributes (#537)
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- Added `glfwGetJoystickHats` function for querying joystick hats
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(#889,#906,#934)
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- Added `glfwInitHint` function for setting library initialization hints
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- Added headless [OSMesa](http://mesa3d.org/osmesa.html) backend (#850)
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- Added definition of `GLAPIENTRY` to public header
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- Added `GLFW_CENTER_CURSOR` window hint for controlling cursor centering
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(#749,#842)
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- Added `GLFW_JOYSTICK_HAT_BUTTONS` init hint (#889)
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- Added macOS specific `GLFW_COCOA_RETINA_FRAMEBUFFER` window hint
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- Added macOS specific `GLFW_COCOA_FRAME_AUTOSAVE` window hint (#195)
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- Added macOS specific `GLFW_COCOA_GRAPHICS_SWITCHING` window hint (#377,#935)
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- Added macOS specific `GLFW_COCOA_CHDIR_RESOURCES` init hint
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- Added macOS specific `GLFW_COCOA_MENUBAR` init hint
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- Added `GLFW_INCLUDE_ES32` for including the OpenGL ES 3.2 header
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- Added `GLFW_OSMESA_CONTEXT_API` for creating OpenGL contexts with
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[OSMesa](https://www.mesa3d.org/osmesa.html) (#281)
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- Removed `GLFW_USE_RETINA` compile-time option
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- Removed `GLFW_USE_CHDIR` compile-time option
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- Removed `GLFW_USE_MENUBAR` compile-time option
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- Bugfix: Calling `glfwMaximizeWindow` on a full screen window was not ignored
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- Bugfix: `GLFW_INCLUDE_VULKAN` could not be combined with the corresponding
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OpenGL and OpenGL ES header macros
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- Bugfix: `glfwGetInstanceProcAddress` returned `NULL` for
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`vkGetInstanceProcAddr` when `_GLFW_VULKAN_STATIC` was enabled
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- Bugfix: Invalid library paths were used in test and example CMake files (#930)
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- Bugfix: The scancode for synthetic key release events was always zero
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- [Win32] Added system error strings to relevant GLFW error descriptions (#733)
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- [Win32] Moved to `WM_INPUT` for disabled cursor mode motion input (#125)
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- [Win32] Bugfix: Undecorated windows could not be iconified by the user (#861)
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- [Win32] Bugfix: Deadzone logic could underflow with some controllers (#910)
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- [Win32] Bugfix: Bitness test in `FindVulkan.cmake` was VS specific (#928)
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- [Win32] Bugfix: `glfwVulkanSupported` emitted an error on systems with
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a loader but no ICD (#916)
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- [Win32] Bugfix: Non-iconified full sreeen windows did not prevent screen
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blanking or password enabled screensavers (#851)
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- [Win32] Bugfix: Mouse capture logic lost secondary release messages (#954)
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- [Win32] Bugfix: The 32-bit Vulkan loader library static was not searched for
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- [Win32] Bugfix: Vulkan libraries have a new path as of SDK 1.0.42.0 (#956)
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- [Win32] Bugfix: Monitors with no display devices were not enumerated (#960)
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- [Win32] Bugfix: Monitor events were not emitted (#784)
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- [Win32] Bugfix: The Cygwin DLL was installed to the wrong directory (#1035)
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- [X11] Moved to XI2 `XI_RawMotion` for disable cursor mode motion input (#125)
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- [X11] Replaced `_GLFW_HAS_XF86VM` compile-time option with dynamic loading
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- [X11] Bugfix: `glfwGetVideoMode` would segfault on Cygwin/X
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- [X11] Bugfix: Dynamic X11 library loading did not use full sonames (#941)
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- [X11] Bugfix: Window creation on 64-bit would read past top of stack (#951)
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- [X11] Bugfix: XDND support had multiple non-conformance issues (#968)
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- [X11] Bugfix: The RandR monitor path was disabled despite working RandR (#972)
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- [X11] Bugfix: IM-duplicated key events would leak at low polling rates (#747)
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- [X11] Bugfix: Gamma ramp setting via RandR did not validate ramp size
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- [X11] Bugfix: Key name string encoding depended on current locale (#981,#983)
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- [Linux] Moved to evdev for joystick input (#906,#1005)
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- [Linux] Bugfix: Event processing did not detect joystick disconnection (#932)
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- [Linux] Bugfix: The joystick device path could be truncated (#1025)
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- [Cocoa] Added support for Vulkan window surface creation via
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[MoltenVK](https://moltengl.com/moltenvk/) (#870)
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- [Cocoa] Added support for loading a `MainMenu.nib` when available
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- [Cocoa] Bugfix: Disabling window aspect ratio would assert (#852)
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- [Cocoa] Bugfix: Window creation failed to set first responder (#876,#883)
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- [Cocoa] Bugfix: Removed use of deprecated `CGDisplayIOServicePort` function
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(#165,#192,#508,#511)
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- [Cocoa] Bugfix: Disabled use of deprecated `CGDisplayModeCopyPixelEncoding`
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function on macOS 10.12+
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- [Cocoa] Bugfix: Running in AppSandbox would emit warnings (#816,#882)
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- [Cocoa] Bugfix: Windows created after the first were not cascaded (#195)
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- [Cocoa] Bugfix: Leaving video mode with `glfwSetWindowMonitor` would set
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incorrect position and size (#748)
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- [Cocoa] Bugfix: Iconified full screen windows could not be restored (#848)
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- [Cocoa] Bugfix: Value range was ignored for joystick hats and buttons (#888)
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- [Cocoa] Bugfix: Full screen framebuffer was incorrectly sized for some video
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modes (#682)
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- [WGL] Added support for `WGL_EXT_colorspace` for OpenGL ES contexts
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- [WGL] Added support for `WGL_ARB_create_context_no_error`
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- [GLX] Added support for `GLX_ARB_create_context_no_error`
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- [GLX] Bugfix: Context creation could segfault if no GLXFBConfigs were
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available (#1040)
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- [EGL] Added support for `EGL_KHR_get_all_proc_addresses` (#871)
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- [EGL] Added support for `EGL_KHR_context_flush_control`
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- [EGL] Bugfix: The test for `EGL_RGB_BUFFER` was invalid
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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](http://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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- 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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- Denis Bernard
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- Doug Binks
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- blanco
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- Kyle Brenneman
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- Martin Capitanio
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- David Carlier
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- Chi-kwan Chan
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- Michał Cichoń
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- Lambert Clara
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- Andrew Corrigan
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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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- Jonathan Dummer
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- Ralph Eastwood
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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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- 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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- Warren Hu
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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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- Osman Keskin
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- Cameron King
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- Peter Knut
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- Christoph Kubisch
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- Konstantin Käfer
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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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- Liam Middlebrook
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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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- 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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- Pieroman
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- Philip Rideout
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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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- Patrick Snape
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- Julian Squires
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- Johannes Stein
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- Michael Stocker
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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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- 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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- 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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- Ryogo Yoshimura
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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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