25e7ff1196
By default, full screen windows that lose focus will be iconified and the video mode will be restored. This makes it impossible to create applications spanning multiple monitors. The GLFW_AUTO_ICONIFY window hint will allow users to disable this behavior. Fixes #143.
2549 lines
88 KiB
C
2549 lines
88 KiB
C
/*************************************************************************
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* GLFW 3.1 - www.glfw.org
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* A library for OpenGL, window and input
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*------------------------------------------------------------------------
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* Copyright (c) 2002-2006 Marcus Geelnard
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* Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would
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* be appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not
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* be misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source
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* distribution.
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*
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*************************************************************************/
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#ifndef _glfw3_h_
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#define _glfw3_h_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*************************************************************************
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* Doxygen documentation
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*************************************************************************/
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/*! @defgroup clipboard Clipboard support
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*/
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/*! @defgroup context Context handling
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*/
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/*! @defgroup error Error handling
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*/
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/*! @defgroup init Initialization and version information
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*/
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/*! @defgroup input Input handling
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*/
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/*! @defgroup monitor Monitor handling
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*
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* This is the reference documentation for monitor related functions and types.
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* For more information, see the @ref monitor.
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*/
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/*! @defgroup time Time input
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*/
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/*! @defgroup window Window handling
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*
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* This is the reference documentation for window related functions and types,
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* including creation, deletion and event polling. For more information, see
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* the @ref window.
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*/
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/*************************************************************************
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* Global definitions
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*************************************************************************/
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/* ------------------- BEGIN SYSTEM/COMPILER SPECIFIC -------------------- */
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/* Please report any problems that you find with your compiler, which may
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* be solved in this section! There are several compilers that I have not
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* been able to test this file with yet.
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*
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* First: If we are we on Windows, we want a single define for it (_WIN32)
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* (Note: For Cygwin the compiler flag -mwin32 should be used, but to
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* make sure that things run smoothly for Cygwin users, we add __CYGWIN__
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* to the list of "valid Win32 identifiers", which removes the need for
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* -mwin32)
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*/
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#if !defined(_WIN32) && (defined(__WIN32__) || defined(WIN32) || defined(__CYGWIN__))
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#define _WIN32
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#endif /* _WIN32 */
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/* In order for extension support to be portable, we need to define an
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* OpenGL function call method. We use the keyword APIENTRY, which is
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* defined for Win32. (Note: Windows also needs this for <GL/gl.h>)
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*/
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#ifndef APIENTRY
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#ifdef _WIN32
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#define APIENTRY __stdcall
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#else
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#define APIENTRY
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#endif
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#endif /* APIENTRY */
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/* The following three defines are here solely to make some Windows-based
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* <GL/gl.h> files happy. Theoretically we could include <windows.h>, but
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* it has the major drawback of severely polluting our namespace.
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*/
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/* Under Windows, we need WINGDIAPI defined */
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#if !defined(WINGDIAPI) && defined(_WIN32)
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#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__POCC__)
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/* Microsoft Visual C++, Borland C++ Builder and Pelles C */
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#define WINGDIAPI __declspec(dllimport)
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#elif defined(__LCC__)
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/* LCC-Win32 */
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#define WINGDIAPI __stdcall
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#else
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/* Others (e.g. MinGW, Cygwin) */
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#define WINGDIAPI extern
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#endif
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#define GLFW_WINGDIAPI_DEFINED
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#endif /* WINGDIAPI */
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/* Some <GL/glu.h> files also need CALLBACK defined */
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#if !defined(CALLBACK) && defined(_WIN32)
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#if defined(_MSC_VER)
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/* Microsoft Visual C++ */
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#if (defined(_M_MRX000) || defined(_M_IX86) || defined(_M_ALPHA) || defined(_M_PPC)) && !defined(MIDL_PASS)
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#define CALLBACK __stdcall
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#else
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#define CALLBACK
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#endif
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#else
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/* Other Windows compilers */
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#define CALLBACK __stdcall
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#endif
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#define GLFW_CALLBACK_DEFINED
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#endif /* CALLBACK */
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/* Most GL/glu.h variants on Windows need wchar_t
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* OpenGL/gl.h blocks the definition of ptrdiff_t by glext.h on OS X */
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#if !defined(GLFW_INCLUDE_NONE)
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#include <stddef.h>
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#endif
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/* Include the chosen client API headers.
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*/
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#if defined(__APPLE_CC__)
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#if defined(GLFW_INCLUDE_GLCOREARB)
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#include <OpenGL/gl3.h>
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#elif !defined(GLFW_INCLUDE_NONE)
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#define GL_GLEXT_LEGACY
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#include <OpenGL/gl.h>
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#endif
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#if defined(GLFW_INCLUDE_GLU)
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#include <OpenGL/glu.h>
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#endif
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#else
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#if defined(GLFW_INCLUDE_GLCOREARB)
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#include <GL/glcorearb.h>
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#elif defined(GLFW_INCLUDE_ES1)
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#include <GLES/gl.h>
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#elif defined(GLFW_INCLUDE_ES2)
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#include <GLES2/gl2.h>
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#elif defined(GLFW_INCLUDE_ES3)
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#include <GLES3/gl3.h>
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#elif defined(GLFW_INCLUDE_ES31)
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#include <GLES3/gl31.h>
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#elif !defined(GLFW_INCLUDE_NONE)
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#include <GL/gl.h>
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#endif
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#if defined(GLFW_INCLUDE_GLU)
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#include <GL/glu.h>
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#endif
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#endif
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#if defined(GLFW_DLL) && defined(_GLFW_BUILD_DLL)
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/* GLFW_DLL is defined by users of GLFW when compiling programs that will link
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* to the DLL version of the GLFW library. _GLFW_BUILD_DLL is defined by the
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* GLFW configuration header when compiling the DLL version of the library.
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*/
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#error "You must not have both GLFW_DLL and _GLFW_BUILD_DLL defined"
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#endif
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#if defined(_WIN32) && defined(_GLFW_BUILD_DLL)
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/* We are building a Win32 DLL */
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#define GLFWAPI __declspec(dllexport)
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#elif defined(_WIN32) && defined(GLFW_DLL)
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/* We are calling a Win32 DLL */
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#if defined(__LCC__)
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#define GLFWAPI extern
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#else
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#define GLFWAPI __declspec(dllimport)
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#endif
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#elif defined(__GNUC__) && defined(_GLFW_BUILD_DLL)
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#define GLFWAPI __attribute__((visibility("default")))
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#else
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/* We are either building/calling a static lib or we are non-win32 */
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#define GLFWAPI
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#endif
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/* -------------------- END SYSTEM/COMPILER SPECIFIC --------------------- */
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/*************************************************************************
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* GLFW API tokens
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*************************************************************************/
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/*! @name GLFW version macros
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* @{ */
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/*! @brief The major version number of the GLFW library.
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*
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* This is incremented when the API is changed in non-compatible ways.
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* @ingroup init
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*/
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#define GLFW_VERSION_MAJOR 3
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/*! @brief The minor version number of the GLFW library.
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*
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* This is incremented when features are added to the API but it remains
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* backward-compatible.
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* @ingroup init
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*/
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#define GLFW_VERSION_MINOR 1
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/*! @brief The revision number of the GLFW library.
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*
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* This is incremented when a bug fix release is made that does not contain any
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* API changes.
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* @ingroup init
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*/
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#define GLFW_VERSION_REVISION 0
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/*! @} */
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/*! @name Key and button actions
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* @{ */
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/*! @brief The key or button was released.
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* @ingroup input
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*/
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#define GLFW_RELEASE 0
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/*! @brief The key or button was pressed.
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* @ingroup input
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*/
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#define GLFW_PRESS 1
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/*! @brief The key was held down until it repeated.
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* @ingroup input
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*/
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#define GLFW_REPEAT 2
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/*! @} */
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/*! @defgroup keys Keyboard keys
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*
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* These key codes are inspired by the *USB HID Usage Tables v1.12* (p. 53-60),
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* but re-arranged to map to 7-bit ASCII for printable keys (function keys are
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* put in the 256+ range).
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*
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* The naming of the key codes follow these rules:
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* - The US keyboard layout is used
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* - Names of printable alpha-numeric characters are used (e.g. "A", "R",
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* "3", etc.)
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* - For non-alphanumeric characters, Unicode:ish names are used (e.g.
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* "COMMA", "LEFT_SQUARE_BRACKET", etc.). Note that some names do not
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* correspond to the Unicode standard (usually for brevity)
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* - Keys that lack a clear US mapping are named "WORLD_x"
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* - For non-printable keys, custom names are used (e.g. "F4",
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* "BACKSPACE", etc.)
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*
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* @ingroup input
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* @{
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*/
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/* The unknown key */
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#define GLFW_KEY_UNKNOWN -1
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/* Printable keys */
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#define GLFW_KEY_SPACE 32
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#define GLFW_KEY_APOSTROPHE 39 /* ' */
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#define GLFW_KEY_COMMA 44 /* , */
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#define GLFW_KEY_MINUS 45 /* - */
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#define GLFW_KEY_PERIOD 46 /* . */
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#define GLFW_KEY_SLASH 47 /* / */
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#define GLFW_KEY_0 48
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#define GLFW_KEY_1 49
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#define GLFW_KEY_2 50
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#define GLFW_KEY_3 51
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#define GLFW_KEY_4 52
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#define GLFW_KEY_5 53
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#define GLFW_KEY_6 54
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#define GLFW_KEY_7 55
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#define GLFW_KEY_8 56
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#define GLFW_KEY_9 57
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#define GLFW_KEY_SEMICOLON 59 /* ; */
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#define GLFW_KEY_EQUAL 61 /* = */
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#define GLFW_KEY_A 65
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#define GLFW_KEY_B 66
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#define GLFW_KEY_C 67
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#define GLFW_KEY_D 68
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#define GLFW_KEY_E 69
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#define GLFW_KEY_F 70
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#define GLFW_KEY_G 71
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#define GLFW_KEY_H 72
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#define GLFW_KEY_I 73
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#define GLFW_KEY_J 74
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#define GLFW_KEY_K 75
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#define GLFW_KEY_L 76
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#define GLFW_KEY_M 77
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#define GLFW_KEY_N 78
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#define GLFW_KEY_O 79
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#define GLFW_KEY_P 80
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#define GLFW_KEY_Q 81
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#define GLFW_KEY_R 82
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#define GLFW_KEY_S 83
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#define GLFW_KEY_T 84
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#define GLFW_KEY_U 85
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#define GLFW_KEY_V 86
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#define GLFW_KEY_W 87
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#define GLFW_KEY_X 88
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#define GLFW_KEY_Y 89
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#define GLFW_KEY_Z 90
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#define GLFW_KEY_LEFT_BRACKET 91 /* [ */
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#define GLFW_KEY_BACKSLASH 92 /* \ */
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#define GLFW_KEY_RIGHT_BRACKET 93 /* ] */
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#define GLFW_KEY_GRAVE_ACCENT 96 /* ` */
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#define GLFW_KEY_WORLD_1 161 /* non-US #1 */
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#define GLFW_KEY_WORLD_2 162 /* non-US #2 */
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/* Function keys */
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#define GLFW_KEY_ESCAPE 256
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#define GLFW_KEY_ENTER 257
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#define GLFW_KEY_TAB 258
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#define GLFW_KEY_BACKSPACE 259
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#define GLFW_KEY_INSERT 260
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#define GLFW_KEY_DELETE 261
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#define GLFW_KEY_RIGHT 262
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#define GLFW_KEY_LEFT 263
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#define GLFW_KEY_DOWN 264
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#define GLFW_KEY_UP 265
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#define GLFW_KEY_PAGE_UP 266
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#define GLFW_KEY_PAGE_DOWN 267
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#define GLFW_KEY_HOME 268
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#define GLFW_KEY_END 269
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#define GLFW_KEY_CAPS_LOCK 280
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#define GLFW_KEY_SCROLL_LOCK 281
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#define GLFW_KEY_NUM_LOCK 282
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#define GLFW_KEY_PRINT_SCREEN 283
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#define GLFW_KEY_PAUSE 284
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#define GLFW_KEY_F1 290
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#define GLFW_KEY_F2 291
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#define GLFW_KEY_F3 292
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#define GLFW_KEY_F4 293
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#define GLFW_KEY_F5 294
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#define GLFW_KEY_F6 295
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#define GLFW_KEY_F7 296
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#define GLFW_KEY_F8 297
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#define GLFW_KEY_F9 298
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#define GLFW_KEY_F10 299
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#define GLFW_KEY_F11 300
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#define GLFW_KEY_F12 301
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#define GLFW_KEY_F13 302
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#define GLFW_KEY_F14 303
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#define GLFW_KEY_F15 304
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#define GLFW_KEY_F16 305
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#define GLFW_KEY_F17 306
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#define GLFW_KEY_F18 307
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#define GLFW_KEY_F19 308
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#define GLFW_KEY_F20 309
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#define GLFW_KEY_F21 310
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#define GLFW_KEY_F22 311
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#define GLFW_KEY_F23 312
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#define GLFW_KEY_F24 313
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#define GLFW_KEY_F25 314
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#define GLFW_KEY_KP_0 320
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#define GLFW_KEY_KP_1 321
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#define GLFW_KEY_KP_2 322
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#define GLFW_KEY_KP_3 323
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#define GLFW_KEY_KP_4 324
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#define GLFW_KEY_KP_5 325
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#define GLFW_KEY_KP_6 326
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#define GLFW_KEY_KP_7 327
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#define GLFW_KEY_KP_8 328
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#define GLFW_KEY_KP_9 329
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#define GLFW_KEY_KP_DECIMAL 330
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#define GLFW_KEY_KP_DIVIDE 331
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#define GLFW_KEY_KP_MULTIPLY 332
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#define GLFW_KEY_KP_SUBTRACT 333
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#define GLFW_KEY_KP_ADD 334
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#define GLFW_KEY_KP_ENTER 335
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#define GLFW_KEY_KP_EQUAL 336
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#define GLFW_KEY_LEFT_SHIFT 340
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#define GLFW_KEY_LEFT_CONTROL 341
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#define GLFW_KEY_LEFT_ALT 342
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#define GLFW_KEY_LEFT_SUPER 343
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#define GLFW_KEY_RIGHT_SHIFT 344
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#define GLFW_KEY_RIGHT_CONTROL 345
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#define GLFW_KEY_RIGHT_ALT 346
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#define GLFW_KEY_RIGHT_SUPER 347
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#define GLFW_KEY_MENU 348
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#define GLFW_KEY_LAST GLFW_KEY_MENU
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/*! @} */
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/*! @defgroup mods Modifier key flags
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* @ingroup input
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* @{ */
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/*! @brief If this bit is set one or more Shift keys were held down.
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*/
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#define GLFW_MOD_SHIFT 0x0001
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/*! @brief If this bit is set one or more Control keys were held down.
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*/
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#define GLFW_MOD_CONTROL 0x0002
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/*! @brief If this bit is set one or more Alt keys were held down.
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*/
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#define GLFW_MOD_ALT 0x0004
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/*! @brief If this bit is set one or more Super keys were held down.
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*/
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#define GLFW_MOD_SUPER 0x0008
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/*! @} */
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/*! @defgroup buttons Mouse buttons
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* @ingroup input
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* @{ */
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#define GLFW_MOUSE_BUTTON_1 0
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#define GLFW_MOUSE_BUTTON_2 1
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#define GLFW_MOUSE_BUTTON_3 2
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#define GLFW_MOUSE_BUTTON_4 3
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#define GLFW_MOUSE_BUTTON_5 4
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#define GLFW_MOUSE_BUTTON_6 5
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#define GLFW_MOUSE_BUTTON_7 6
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#define GLFW_MOUSE_BUTTON_8 7
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#define GLFW_MOUSE_BUTTON_LAST GLFW_MOUSE_BUTTON_8
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#define GLFW_MOUSE_BUTTON_LEFT GLFW_MOUSE_BUTTON_1
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#define GLFW_MOUSE_BUTTON_RIGHT GLFW_MOUSE_BUTTON_2
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#define GLFW_MOUSE_BUTTON_MIDDLE GLFW_MOUSE_BUTTON_3
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/*! @} */
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|
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/*! @defgroup joysticks Joysticks
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|
* @ingroup input
|
|
* @{ */
|
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#define GLFW_JOYSTICK_1 0
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#define GLFW_JOYSTICK_2 1
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#define GLFW_JOYSTICK_3 2
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#define GLFW_JOYSTICK_4 3
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#define GLFW_JOYSTICK_5 4
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#define GLFW_JOYSTICK_6 5
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#define GLFW_JOYSTICK_7 6
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#define GLFW_JOYSTICK_8 7
|
|
#define GLFW_JOYSTICK_9 8
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#define GLFW_JOYSTICK_10 9
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|
#define GLFW_JOYSTICK_11 10
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#define GLFW_JOYSTICK_12 11
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|
#define GLFW_JOYSTICK_13 12
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#define GLFW_JOYSTICK_14 13
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#define GLFW_JOYSTICK_15 14
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|
#define GLFW_JOYSTICK_16 15
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|
#define GLFW_JOYSTICK_LAST GLFW_JOYSTICK_16
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/*! @} */
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|
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/*! @defgroup errors Error codes
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|
* @ingroup error
|
|
* @{ */
|
|
/*! @brief GLFW has not been initialized.
|
|
*/
|
|
#define GLFW_NOT_INITIALIZED 0x00010001
|
|
/*! @brief No context is current for this thread.
|
|
*/
|
|
#define GLFW_NO_CURRENT_CONTEXT 0x00010002
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|
/*! @brief One of the enum parameters for the function was given an invalid
|
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* enum.
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|
*/
|
|
#define GLFW_INVALID_ENUM 0x00010003
|
|
/*! @brief One of the parameters for the function was given an invalid value.
|
|
*/
|
|
#define GLFW_INVALID_VALUE 0x00010004
|
|
/*! @brief A memory allocation failed.
|
|
*/
|
|
#define GLFW_OUT_OF_MEMORY 0x00010005
|
|
/*! @brief GLFW could not find support for the requested client API on the
|
|
* system.
|
|
*/
|
|
#define GLFW_API_UNAVAILABLE 0x00010006
|
|
/*! @brief The requested client API version is not available.
|
|
*/
|
|
#define GLFW_VERSION_UNAVAILABLE 0x00010007
|
|
/*! @brief A platform-specific error occurred that does not match any of the
|
|
* more specific categories.
|
|
*/
|
|
#define GLFW_PLATFORM_ERROR 0x00010008
|
|
/*! @brief The clipboard did not contain data in the requested format.
|
|
*/
|
|
#define GLFW_FORMAT_UNAVAILABLE 0x00010009
|
|
/*! @} */
|
|
|
|
#define GLFW_FOCUSED 0x00020001
|
|
#define GLFW_ICONIFIED 0x00020002
|
|
#define GLFW_RESIZABLE 0x00020003
|
|
#define GLFW_VISIBLE 0x00020004
|
|
#define GLFW_DECORATED 0x00020005
|
|
#define GLFW_AUTO_ICONIFY 0x00020006
|
|
|
|
#define GLFW_RED_BITS 0x00021001
|
|
#define GLFW_GREEN_BITS 0x00021002
|
|
#define GLFW_BLUE_BITS 0x00021003
|
|
#define GLFW_ALPHA_BITS 0x00021004
|
|
#define GLFW_DEPTH_BITS 0x00021005
|
|
#define GLFW_STENCIL_BITS 0x00021006
|
|
#define GLFW_ACCUM_RED_BITS 0x00021007
|
|
#define GLFW_ACCUM_GREEN_BITS 0x00021008
|
|
#define GLFW_ACCUM_BLUE_BITS 0x00021009
|
|
#define GLFW_ACCUM_ALPHA_BITS 0x0002100A
|
|
#define GLFW_AUX_BUFFERS 0x0002100B
|
|
#define GLFW_STEREO 0x0002100C
|
|
#define GLFW_SAMPLES 0x0002100D
|
|
#define GLFW_SRGB_CAPABLE 0x0002100E
|
|
#define GLFW_REFRESH_RATE 0x0002100F
|
|
|
|
#define GLFW_CLIENT_API 0x00022001
|
|
#define GLFW_CONTEXT_VERSION_MAJOR 0x00022002
|
|
#define GLFW_CONTEXT_VERSION_MINOR 0x00022003
|
|
#define GLFW_CONTEXT_REVISION 0x00022004
|
|
#define GLFW_CONTEXT_ROBUSTNESS 0x00022005
|
|
#define GLFW_OPENGL_FORWARD_COMPAT 0x00022006
|
|
#define GLFW_OPENGL_DEBUG_CONTEXT 0x00022007
|
|
#define GLFW_OPENGL_PROFILE 0x00022008
|
|
|
|
#define GLFW_OPENGL_API 0x00030001
|
|
#define GLFW_OPENGL_ES_API 0x00030002
|
|
|
|
#define GLFW_NO_ROBUSTNESS 0
|
|
#define GLFW_NO_RESET_NOTIFICATION 0x00031001
|
|
#define GLFW_LOSE_CONTEXT_ON_RESET 0x00031002
|
|
|
|
#define GLFW_OPENGL_ANY_PROFILE 0
|
|
#define GLFW_OPENGL_CORE_PROFILE 0x00032001
|
|
#define GLFW_OPENGL_COMPAT_PROFILE 0x00032002
|
|
|
|
#define GLFW_CURSOR 0x00033001
|
|
#define GLFW_STICKY_KEYS 0x00033002
|
|
#define GLFW_STICKY_MOUSE_BUTTONS 0x00033003
|
|
|
|
#define GLFW_CURSOR_NORMAL 0x00034001
|
|
#define GLFW_CURSOR_HIDDEN 0x00034002
|
|
#define GLFW_CURSOR_DISABLED 0x00034003
|
|
|
|
#define GLFW_CONNECTED 0x00040001
|
|
#define GLFW_DISCONNECTED 0x00040002
|
|
|
|
|
|
/*************************************************************************
|
|
* GLFW API types
|
|
*************************************************************************/
|
|
|
|
/*! @brief Client API function pointer type.
|
|
*
|
|
* Generic function pointer used for returning client API function pointers
|
|
* without forcing a cast from a regular pointer.
|
|
*
|
|
* @ingroup context
|
|
*/
|
|
typedef void (*GLFWglproc)(void);
|
|
|
|
/*! @brief Opaque monitor object.
|
|
*
|
|
* Opaque monitor object.
|
|
*
|
|
* @ingroup monitor
|
|
*/
|
|
typedef struct GLFWmonitor GLFWmonitor;
|
|
|
|
/*! @brief Opaque window object.
|
|
*
|
|
* Opaque window object.
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
typedef struct GLFWwindow GLFWwindow;
|
|
|
|
/*! @brief Opaque cursor object.
|
|
*
|
|
* Opaque cursor object.
|
|
*
|
|
* @ingroup cursor
|
|
*/
|
|
typedef struct GLFWcursor GLFWcursor;
|
|
|
|
/*! @brief The function signature for error callbacks.
|
|
*
|
|
* This is the function signature for error callback functions.
|
|
*
|
|
* @param[in] error An [error code](@ref errors).
|
|
* @param[in] description A UTF-8 encoded string describing the error.
|
|
*
|
|
* @sa glfwSetErrorCallback
|
|
*
|
|
* @ingroup error
|
|
*/
|
|
typedef void (* GLFWerrorfun)(int,const char*);
|
|
|
|
/*! @brief The function signature for window position callbacks.
|
|
*
|
|
* This is the function signature for window position callback functions.
|
|
*
|
|
* @param[in] window The window that the user moved.
|
|
* @param[in] xpos The new x-coordinate, in screen coordinates, of the
|
|
* upper-left corner of the client area of the window.
|
|
* @param[in] ypos The new y-coordinate, in screen coordinates, of the
|
|
* upper-left corner of the client area of the window.
|
|
*
|
|
* @sa glfwSetWindowPosCallback
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
typedef void (* GLFWwindowposfun)(GLFWwindow*,int,int);
|
|
|
|
/*! @brief The function signature for window resize callbacks.
|
|
*
|
|
* This is the function signature for window size callback functions.
|
|
*
|
|
* @param[in] window The window that the user resized.
|
|
* @param[in] width The new width, in screen coordinates, of the window.
|
|
* @param[in] height The new height, in screen coordinates, of the window.
|
|
*
|
|
* @sa glfwSetWindowSizeCallback
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
typedef void (* GLFWwindowsizefun)(GLFWwindow*,int,int);
|
|
|
|
/*! @brief The function signature for window close callbacks.
|
|
*
|
|
* This is the function signature for window close callback functions.
|
|
*
|
|
* @param[in] window The window that the user attempted to close.
|
|
*
|
|
* @sa glfwSetWindowCloseCallback
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
typedef void (* GLFWwindowclosefun)(GLFWwindow*);
|
|
|
|
/*! @brief The function signature for window content refresh callbacks.
|
|
*
|
|
* This is the function signature for window refresh callback functions.
|
|
*
|
|
* @param[in] window The window whose content needs to be refreshed.
|
|
*
|
|
* @sa glfwSetWindowRefreshCallback
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
typedef void (* GLFWwindowrefreshfun)(GLFWwindow*);
|
|
|
|
/*! @brief The function signature for window focus/defocus callbacks.
|
|
*
|
|
* This is the function signature for window focus callback functions.
|
|
*
|
|
* @param[in] window The window that was focused or defocused.
|
|
* @param[in] focused `GL_TRUE` if the window was focused, or `GL_FALSE` if
|
|
* it was defocused.
|
|
*
|
|
* @sa glfwSetWindowFocusCallback
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
typedef void (* GLFWwindowfocusfun)(GLFWwindow*,int);
|
|
|
|
/*! @brief The function signature for window iconify/restore callbacks.
|
|
*
|
|
* This is the function signature for window iconify/restore callback
|
|
* functions.
|
|
*
|
|
* @param[in] window The window that was iconified or restored.
|
|
* @param[in] iconified `GL_TRUE` if the window was iconified, or `GL_FALSE`
|
|
* if it was restored.
|
|
*
|
|
* @sa glfwSetWindowIconifyCallback
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
typedef void (* GLFWwindowiconifyfun)(GLFWwindow*,int);
|
|
|
|
/*! @brief The function signature for framebuffer resize callbacks.
|
|
*
|
|
* This is the function signature for framebuffer resize callback
|
|
* functions.
|
|
*
|
|
* @param[in] window The window whose framebuffer was resized.
|
|
* @param[in] width The new width, in pixels, of the framebuffer.
|
|
* @param[in] height The new height, in pixels, of the framebuffer.
|
|
*
|
|
* @sa glfwSetFramebufferSizeCallback
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
typedef void (* GLFWframebuffersizefun)(GLFWwindow*,int,int);
|
|
|
|
/*! @brief The function signature for mouse button callbacks.
|
|
*
|
|
* This is the function signature for mouse button callback functions.
|
|
*
|
|
* @param[in] window The window that received the event.
|
|
* @param[in] button The [mouse button](@ref buttons) that was pressed or
|
|
* released.
|
|
* @param[in] action One of `GLFW_PRESS` or `GLFW_RELEASE`.
|
|
* @param[in] mods Bit field describing which [modifier keys](@ref mods) were
|
|
* held down.
|
|
*
|
|
* @sa glfwSetMouseButtonCallback
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
typedef void (* GLFWmousebuttonfun)(GLFWwindow*,int,int,int);
|
|
|
|
/*! @brief The function signature for cursor position callbacks.
|
|
*
|
|
* This is the function signature for cursor position callback functions.
|
|
*
|
|
* @param[in] window The window that received the event.
|
|
* @param[in] xpos The new x-coordinate, in screen coordinates, of the cursor.
|
|
* @param[in] ypos The new y-coordinate, in screen coordinates, of the cursor.
|
|
*
|
|
* @sa glfwSetCursorPosCallback
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
typedef void (* GLFWcursorposfun)(GLFWwindow*,double,double);
|
|
|
|
/*! @brief The function signature for cursor enter/leave callbacks.
|
|
*
|
|
* This is the function signature for cursor enter/leave callback functions.
|
|
*
|
|
* @param[in] window The window that received the event.
|
|
* @param[in] entered `GL_TRUE` if the cursor entered the window's client
|
|
* area, or `GL_FALSE` if it left it.
|
|
*
|
|
* @sa glfwSetCursorEnterCallback
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
typedef void (* GLFWcursorenterfun)(GLFWwindow*,int);
|
|
|
|
/*! @brief The function signature for scroll callbacks.
|
|
*
|
|
* This is the function signature for scroll callback functions.
|
|
*
|
|
* @param[in] window The window that received the event.
|
|
* @param[in] xoffset The scroll offset along the x-axis.
|
|
* @param[in] yoffset The scroll offset along the y-axis.
|
|
*
|
|
* @sa glfwSetScrollCallback
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
typedef void (* GLFWscrollfun)(GLFWwindow*,double,double);
|
|
|
|
/*! @brief The function signature for keyboard key callbacks.
|
|
*
|
|
* This is the function signature for keyboard key callback functions.
|
|
*
|
|
* @param[in] window The window that received the event.
|
|
* @param[in] key The [keyboard key](@ref keys) that was pressed or released.
|
|
* @param[in] scancode The system-specific scancode of the key.
|
|
* @param[in] action @ref GLFW_PRESS, @ref GLFW_RELEASE or @ref GLFW_REPEAT.
|
|
* @param[in] mods Bit field describing which [modifier keys](@ref mods) were
|
|
* held down.
|
|
*
|
|
* @sa glfwSetKeyCallback
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
typedef void (* GLFWkeyfun)(GLFWwindow*,int,int,int,int);
|
|
|
|
/*! @brief The function signature for Unicode character callbacks.
|
|
*
|
|
* This is the function signature for Unicode character callback functions.
|
|
*
|
|
* @param[in] window The window that received the event.
|
|
* @param[in] codepoint The Unicode code point of the character.
|
|
*
|
|
* @sa glfwSetCharCallback
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
typedef void (* GLFWcharfun)(GLFWwindow*,unsigned int);
|
|
|
|
/*! @brief The function signature for file drop callbacks.
|
|
*
|
|
* This is the function signature for file drop callbacks.
|
|
*
|
|
* @param[in] window The window that received the event.
|
|
* @param[in] count The number of dropped files.
|
|
* @param[in] names The UTF-8 encoded path names of the dropped files.
|
|
*
|
|
* @sa glfwSetDropCallback
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
typedef void (* GLFWdropfun)(GLFWwindow*,int,const char**);
|
|
|
|
/*! @brief The function signature for monitor configuration callbacks.
|
|
*
|
|
* This is the function signature for monitor configuration callback functions.
|
|
*
|
|
* @param[in] monitor The monitor that was connected or disconnected.
|
|
* @param[in] event One of `GLFW_CONNECTED` or `GLFW_DISCONNECTED`.
|
|
*
|
|
* @sa glfwSetMonitorCallback
|
|
*
|
|
* @ingroup monitor
|
|
*/
|
|
typedef void (* GLFWmonitorfun)(GLFWmonitor*,int);
|
|
|
|
/*! @brief Video mode type.
|
|
*
|
|
* This describes a single video mode.
|
|
*
|
|
* @ingroup monitor
|
|
*/
|
|
typedef struct GLFWvidmode
|
|
{
|
|
/*! The width, in screen coordinates, of the video mode.
|
|
*/
|
|
int width;
|
|
/*! The height, in screen coordinates, of the video mode.
|
|
*/
|
|
int height;
|
|
/*! The bit depth of the red channel of the video mode.
|
|
*/
|
|
int redBits;
|
|
/*! The bit depth of the green channel of the video mode.
|
|
*/
|
|
int greenBits;
|
|
/*! The bit depth of the blue channel of the video mode.
|
|
*/
|
|
int blueBits;
|
|
/*! The refresh rate, in Hz, of the video mode.
|
|
*/
|
|
int refreshRate;
|
|
} GLFWvidmode;
|
|
|
|
/*! @brief Gamma ramp.
|
|
*
|
|
* This describes the gamma ramp for a monitor.
|
|
*
|
|
* @sa glfwGetGammaRamp glfwSetGammaRamp
|
|
*
|
|
* @ingroup monitor
|
|
*/
|
|
typedef struct GLFWgammaramp
|
|
{
|
|
/*! An array of value describing the response of the red channel.
|
|
*/
|
|
unsigned short* red;
|
|
/*! An array of value describing the response of the green channel.
|
|
*/
|
|
unsigned short* green;
|
|
/*! An array of value describing the response of the blue channel.
|
|
*/
|
|
unsigned short* blue;
|
|
/*! The number of elements in each array.
|
|
*/
|
|
unsigned int size;
|
|
} GLFWgammaramp;
|
|
|
|
/*! @brief Image data.
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
typedef struct GLFWimage
|
|
{
|
|
/*! The width, in pixels, of this image.
|
|
*/
|
|
int width;
|
|
/*! The height, in pixels, of this image.
|
|
*/
|
|
int height;
|
|
/*! The pixel data of this image, arranged left-to-right, top-to-bottom.
|
|
*/
|
|
unsigned char* pixels;
|
|
} GLFWimage;
|
|
|
|
|
|
/*************************************************************************
|
|
* GLFW API functions
|
|
*************************************************************************/
|
|
|
|
/*! @brief Initializes the GLFW library.
|
|
*
|
|
* This function initializes the GLFW library. Before most GLFW functions can
|
|
* be used, GLFW must be initialized, and before a program terminates GLFW
|
|
* should be terminated in order to free any resources allocated during or
|
|
* after initialization.
|
|
*
|
|
* If this function fails, it calls @ref glfwTerminate before returning. If it
|
|
* succeeds, you should call @ref glfwTerminate before the program exits.
|
|
*
|
|
* Additional calls to this function after successful initialization but before
|
|
* termination will succeed but will do nothing.
|
|
*
|
|
* @return `GL_TRUE` if successful, or `GL_FALSE` if an error occurred.
|
|
*
|
|
* @par New in GLFW 3
|
|
* This function no longer registers @ref glfwTerminate with `atexit`.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note **OS X:** This function will change the current directory of the
|
|
* application to the `Contents/Resources` subdirectory of the application's
|
|
* bundle, if present.
|
|
*
|
|
* @sa glfwTerminate
|
|
*
|
|
* @ingroup init
|
|
*/
|
|
GLFWAPI int glfwInit(void);
|
|
|
|
/*! @brief Terminates the GLFW library.
|
|
*
|
|
* This function destroys all remaining windows, frees any allocated resources
|
|
* and sets the library to an uninitialized state. Once this is called, you
|
|
* must again call @ref glfwInit successfully before you will be able to use
|
|
* most GLFW functions.
|
|
*
|
|
* If GLFW has been successfully initialized, this function should be called
|
|
* before the program exits. If initialization fails, there is no need to call
|
|
* this function, as it is called by @ref glfwInit before it returns failure.
|
|
*
|
|
* @remarks This function may be called before @ref glfwInit.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @warning No window's context may be current on another thread when this
|
|
* function is called.
|
|
*
|
|
* @sa glfwInit
|
|
*
|
|
* @ingroup init
|
|
*/
|
|
GLFWAPI void glfwTerminate(void);
|
|
|
|
/*! @brief Retrieves the version of the GLFW library.
|
|
*
|
|
* This function retrieves the major, minor and revision numbers of the GLFW
|
|
* library. It is intended for when you are using GLFW as a shared library and
|
|
* want to ensure that you are using the minimum required version.
|
|
*
|
|
* @param[out] major Where to store the major version number, or `NULL`.
|
|
* @param[out] minor Where to store the minor version number, or `NULL`.
|
|
* @param[out] rev Where to store the revision number, or `NULL`.
|
|
*
|
|
* @remarks This function may be called before @ref glfwInit.
|
|
*
|
|
* @remarks This function may be called from any thread.
|
|
*
|
|
* @sa glfwGetVersionString
|
|
*
|
|
* @ingroup init
|
|
*/
|
|
GLFWAPI void glfwGetVersion(int* major, int* minor, int* rev);
|
|
|
|
/*! @brief Returns a string describing the compile-time configuration.
|
|
*
|
|
* This function returns a static string generated at compile-time according to
|
|
* which configuration macros were defined. This is intended for use when
|
|
* submitting bug reports, to allow developers to see which code paths are
|
|
* enabled in a binary.
|
|
*
|
|
* The format of the string is as follows:
|
|
* - The version of GLFW
|
|
* - The name of the window system API
|
|
* - The name of the context creation API
|
|
* - Any additional options or APIs
|
|
*
|
|
* For example, when compiling GLFW 3.0 with MinGW using the Win32 and WGL
|
|
* back ends, the version string may look something like this:
|
|
*
|
|
* 3.0.0 Win32 WGL MinGW
|
|
*
|
|
* @return The GLFW version string.
|
|
*
|
|
* @remarks This function may be called before @ref glfwInit.
|
|
*
|
|
* @remarks This function may be called from any thread.
|
|
*
|
|
* @sa glfwGetVersion
|
|
*
|
|
* @ingroup init
|
|
*/
|
|
GLFWAPI const char* glfwGetVersionString(void);
|
|
|
|
/*! @brief Sets the error callback.
|
|
*
|
|
* This function sets the error callback, which is called with an error code
|
|
* and a human-readable description each time a GLFW error occurs.
|
|
*
|
|
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
|
|
* callback.
|
|
* @return The previously set callback, or `NULL` if no callback was set or an
|
|
* error occurred.
|
|
*
|
|
* @remarks This function may be called before @ref glfwInit.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note The error callback is called by the thread where the error occurred.
|
|
* If you are using GLFW from multiple threads, your error callback needs to be
|
|
* written accordingly.
|
|
*
|
|
* @note Because the description string provided to the callback may have been
|
|
* generated specifically for that error, it is not guaranteed to be valid
|
|
* after the callback has returned. If you wish to use it after that, you need
|
|
* to make your own copy of it before returning.
|
|
*
|
|
* @ingroup error
|
|
*/
|
|
GLFWAPI GLFWerrorfun glfwSetErrorCallback(GLFWerrorfun cbfun);
|
|
|
|
/*! @brief Returns the currently connected monitors.
|
|
*
|
|
* This function returns an array of handles for all currently connected
|
|
* monitors.
|
|
*
|
|
* @param[out] count Where to store the size of the returned array. This is
|
|
* set to zero if an error occurred.
|
|
* @return An array of monitor handles, or `NULL` if an error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note The returned array is allocated and freed by GLFW. You should not
|
|
* free it yourself.
|
|
*
|
|
* @note The returned array is valid only until the monitor configuration
|
|
* changes. See @ref glfwSetMonitorCallback to receive notifications of
|
|
* configuration changes.
|
|
*
|
|
* @sa glfwGetPrimaryMonitor
|
|
*
|
|
* @ingroup monitor
|
|
*/
|
|
GLFWAPI GLFWmonitor** glfwGetMonitors(int* count);
|
|
|
|
/*! @brief Returns the primary monitor.
|
|
*
|
|
* This function returns the primary monitor. This is usually the monitor
|
|
* where elements like the Windows task bar or the OS X menu bar is located.
|
|
*
|
|
* @return The primary monitor, or `NULL` if an error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @sa glfwGetMonitors
|
|
*
|
|
* @ingroup monitor
|
|
*/
|
|
GLFWAPI GLFWmonitor* glfwGetPrimaryMonitor(void);
|
|
|
|
/*! @brief Returns the position of the monitor's viewport on the virtual screen.
|
|
*
|
|
* This function returns the position, in screen coordinates, of the upper-left
|
|
* corner of the specified monitor.
|
|
*
|
|
* @param[in] monitor The monitor to query.
|
|
* @param[out] xpos Where to store the monitor x-coordinate, or `NULL`.
|
|
* @param[out] ypos Where to store the monitor y-coordinate, or `NULL`.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup monitor
|
|
*/
|
|
GLFWAPI void glfwGetMonitorPos(GLFWmonitor* monitor, int* xpos, int* ypos);
|
|
|
|
/*! @brief Returns the physical size of the monitor.
|
|
*
|
|
* This function returns the size, in millimetres, of the display area of the
|
|
* specified monitor.
|
|
*
|
|
* @param[in] monitor The monitor to query.
|
|
* @param[out] width Where to store the width, in mm, of the monitor's display
|
|
* area, or `NULL`.
|
|
* @param[out] height Where to store the height, in mm, of the monitor's
|
|
* display area, or `NULL`.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note Some operating systems do not provide accurate information, either
|
|
* because the monitor's EDID data is incorrect, or because the driver does not
|
|
* report it accurately.
|
|
*
|
|
* @ingroup monitor
|
|
*/
|
|
GLFWAPI void glfwGetMonitorPhysicalSize(GLFWmonitor* monitor, int* width, int* height);
|
|
|
|
/*! @brief Returns the name of the specified monitor.
|
|
*
|
|
* This function returns a human-readable name, encoded as UTF-8, of the
|
|
* specified monitor.
|
|
*
|
|
* @param[in] monitor The monitor to query.
|
|
* @return The UTF-8 encoded name of the monitor, or `NULL` if an error
|
|
* occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note The returned string is allocated and freed by GLFW. You should not
|
|
* free it yourself.
|
|
*
|
|
* @ingroup monitor
|
|
*/
|
|
GLFWAPI const char* glfwGetMonitorName(GLFWmonitor* monitor);
|
|
|
|
/*! @brief Sets the monitor configuration callback.
|
|
*
|
|
* This function sets the monitor configuration callback, or removes the
|
|
* currently set callback. This is called when a monitor is connected to or
|
|
* disconnected from the system.
|
|
*
|
|
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
|
|
* callback.
|
|
* @return The previously set callback, or `NULL` if no callback was set or an
|
|
* error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @bug **X11:** This callback is not yet called on monitor configuration
|
|
* changes.
|
|
*
|
|
* @ingroup monitor
|
|
*/
|
|
GLFWAPI GLFWmonitorfun glfwSetMonitorCallback(GLFWmonitorfun cbfun);
|
|
|
|
/*! @brief Returns the available video modes for the specified monitor.
|
|
*
|
|
* This function returns an array of all video modes supported by the specified
|
|
* monitor. The returned array is sorted in ascending order, first by color
|
|
* bit depth (the sum of all channel depths) and then by resolution area (the
|
|
* product of width and height).
|
|
*
|
|
* @param[in] monitor The monitor to query.
|
|
* @param[out] count Where to store the number of video modes in the returned
|
|
* array. This is set to zero if an error occurred.
|
|
* @return An array of video modes, or `NULL` if an error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note The returned array is allocated and freed by GLFW. You should not
|
|
* free it yourself.
|
|
*
|
|
* @note The returned array is valid only until this function is called again
|
|
* for the specified monitor.
|
|
*
|
|
* @sa glfwGetVideoMode
|
|
*
|
|
* @ingroup monitor
|
|
*/
|
|
GLFWAPI const GLFWvidmode* glfwGetVideoModes(GLFWmonitor* monitor, int* count);
|
|
|
|
/*! @brief Returns the current mode of the specified monitor.
|
|
*
|
|
* This function returns the current video mode of the specified monitor. If
|
|
* you are using a full screen window, the return value will therefore depend
|
|
* on whether it is focused.
|
|
*
|
|
* @param[in] monitor The monitor to query.
|
|
* @return The current mode of the monitor, or `NULL` if an error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note The returned struct is allocated and freed by GLFW. You should not
|
|
* free it yourself.
|
|
*
|
|
* @sa glfwGetVideoModes
|
|
*
|
|
* @ingroup monitor
|
|
*/
|
|
GLFWAPI const GLFWvidmode* glfwGetVideoMode(GLFWmonitor* monitor);
|
|
|
|
/*! @brief Generates a gamma ramp and sets it for the specified monitor.
|
|
*
|
|
* This function generates a 256-element gamma ramp from the specified exponent
|
|
* and then calls @ref glfwSetGammaRamp with it.
|
|
*
|
|
* @param[in] monitor The monitor whose gamma ramp to set.
|
|
* @param[in] gamma The desired exponent.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup monitor
|
|
*/
|
|
GLFWAPI void glfwSetGamma(GLFWmonitor* monitor, float gamma);
|
|
|
|
/*! @brief Retrieves the current gamma ramp for the specified monitor.
|
|
*
|
|
* This function retrieves the current gamma ramp of the specified monitor.
|
|
*
|
|
* @param[in] monitor The monitor to query.
|
|
* @return The current gamma ramp, or `NULL` if an error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note The value arrays of the returned ramp are allocated and freed by GLFW.
|
|
* You should not free them yourself.
|
|
*
|
|
* @ingroup monitor
|
|
*/
|
|
GLFWAPI const GLFWgammaramp* glfwGetGammaRamp(GLFWmonitor* monitor);
|
|
|
|
/*! @brief Sets the current gamma ramp for the specified monitor.
|
|
*
|
|
* This function sets the current gamma ramp for the specified monitor.
|
|
*
|
|
* @param[in] monitor The monitor whose gamma ramp to set.
|
|
* @param[in] ramp The gamma ramp to use.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note Gamma ramp sizes other than 256 are not supported by all hardware.
|
|
*
|
|
* @ingroup monitor
|
|
*/
|
|
GLFWAPI void glfwSetGammaRamp(GLFWmonitor* monitor, const GLFWgammaramp* ramp);
|
|
|
|
/*! @brief Resets all window hints to their default values.
|
|
*
|
|
* This function resets all window hints to their
|
|
* [default values](@ref window_hints_values).
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @sa glfwWindowHint
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI void glfwDefaultWindowHints(void);
|
|
|
|
/*! @brief Sets the specified window hint to the desired value.
|
|
*
|
|
* This function sets hints for the next call to @ref glfwCreateWindow. The
|
|
* hints, once set, retain their values until changed by a call to @ref
|
|
* glfwWindowHint or @ref glfwDefaultWindowHints, or until the library is
|
|
* terminated with @ref glfwTerminate.
|
|
*
|
|
* @param[in] target The [window hint](@ref window_hints) to set.
|
|
* @param[in] hint The new value of the window hint.
|
|
*
|
|
* @par New in GLFW 3
|
|
* Hints are no longer reset to their default values on window creation. To
|
|
* set default hint values, use @ref glfwDefaultWindowHints.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @sa glfwDefaultWindowHints
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI void glfwWindowHint(int target, int hint);
|
|
|
|
/*! @brief Creates a window and its associated context.
|
|
*
|
|
* This function creates a window and its associated context. Most of the
|
|
* options controlling how the window and its context should be created are
|
|
* specified through @ref glfwWindowHint.
|
|
*
|
|
* Successful creation does not change which context is current. Before you
|
|
* can use the newly created context, you need to make it current using @ref
|
|
* glfwMakeContextCurrent.
|
|
*
|
|
* Note that the created window and context may differ from what you requested,
|
|
* as not all parameters and hints are
|
|
* [hard constraints](@ref window_hints_hard). This includes the size of the
|
|
* window, especially for full screen windows. To retrieve the actual
|
|
* attributes of the created window and context, use queries like @ref
|
|
* glfwGetWindowAttrib and @ref glfwGetWindowSize.
|
|
*
|
|
* To create a full screen window, you need to specify the monitor to use. If
|
|
* no monitor is specified, windowed mode will be used. Unless you have a way
|
|
* for the user to choose a specific monitor, it is recommended that you pick
|
|
* the primary monitor. For more information on how to retrieve monitors, see
|
|
* @ref monitor_monitors.
|
|
*
|
|
* To create the window at a specific position, make it initially invisible
|
|
* using the `GLFW_VISIBLE` window hint, set its position and then show it.
|
|
*
|
|
* If a full screen window is active, the screensaver is prohibited from
|
|
* starting.
|
|
*
|
|
* @param[in] width The desired width, in screen coordinates, of the window.
|
|
* This must be greater than zero.
|
|
* @param[in] height The desired height, in screen coordinates, of the window.
|
|
* This must be greater than zero.
|
|
* @param[in] title The initial, UTF-8 encoded window title.
|
|
* @param[in] monitor The monitor to use for full screen mode, or `NULL` to use
|
|
* windowed mode.
|
|
* @param[in] share The window whose context to share resources with, or `NULL`
|
|
* to not share resources.
|
|
* @return The handle of the created window, or `NULL` if an error occurred.
|
|
*
|
|
* @remarks **Windows:** Window creation will fail if the Microsoft GDI
|
|
* software OpenGL implementation is the only one available.
|
|
*
|
|
* @remarks **Windows:** If the executable has an icon resource named
|
|
* `GLFW_ICON,` it will be set as the icon for the window. If no such icon is
|
|
* present, the `IDI_WINLOGO` icon will be used instead.
|
|
*
|
|
* @remarks **OS X:** The GLFW window has no icon, as it is not a document
|
|
* window, but the dock icon will be the same as the application bundle's icon.
|
|
* Also, the first time a window is opened the menu bar is populated with
|
|
* common commands like Hide, Quit and About. The (minimal) about dialog uses
|
|
* information from the application's bundle. For more information on bundles,
|
|
* see the Bundle Programming Guide provided by Apple.
|
|
*
|
|
* @remarks **X11:** There is no mechanism for setting the window icon yet.
|
|
*
|
|
* @remarks The swap interval is not set during window creation, but is left at
|
|
* the default value for that platform. For more information, see @ref
|
|
* glfwSwapInterval.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @sa glfwDestroyWindow
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI GLFWwindow* glfwCreateWindow(int width, int height, const char* title, GLFWmonitor* monitor, GLFWwindow* share);
|
|
|
|
/*! @brief Destroys the specified window and its context.
|
|
*
|
|
* This function destroys the specified window and its context. On calling
|
|
* this function, no further callbacks will be called for that window.
|
|
*
|
|
* @param[in] window The window to destroy.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note This function may not be called from a callback.
|
|
*
|
|
* @note If the window's context is current on the main thread, it is
|
|
* detached before being destroyed.
|
|
*
|
|
* @warning The window's context must not be current on any other thread.
|
|
*
|
|
* @sa glfwCreateWindow
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI void glfwDestroyWindow(GLFWwindow* window);
|
|
|
|
/*! @brief Checks the close flag of the specified window.
|
|
*
|
|
* This function returns the value of the close flag of the specified window.
|
|
*
|
|
* @param[in] window The window to query.
|
|
* @return The value of the close flag.
|
|
*
|
|
* @remarks This function may be called from any thread.
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI int glfwWindowShouldClose(GLFWwindow* window);
|
|
|
|
/*! @brief Sets the close flag of the specified window.
|
|
*
|
|
* This function sets the value of the close flag of the specified window.
|
|
* This can be used to override the user's attempt to close the window, or
|
|
* to signal that it should be closed.
|
|
*
|
|
* @param[in] window The window whose flag to change.
|
|
* @param[in] value The new value.
|
|
*
|
|
* @remarks This function may be called from any thread.
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI void glfwSetWindowShouldClose(GLFWwindow* window, int value);
|
|
|
|
/*! @brief Sets the title of the specified window.
|
|
*
|
|
* This function sets the window title, encoded as UTF-8, of the specified
|
|
* window.
|
|
*
|
|
* @param[in] window The window whose title to change.
|
|
* @param[in] title The UTF-8 encoded window title.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI void glfwSetWindowTitle(GLFWwindow* window, const char* title);
|
|
|
|
/*! @brief Retrieves the position of the client area of the specified window.
|
|
*
|
|
* This function retrieves the position, in screen coordinates, of the
|
|
* upper-left corner of the client area of the specified window.
|
|
*
|
|
* @param[in] window The window to query.
|
|
* @param[out] xpos Where to store the x-coordinate of the upper-left corner of
|
|
* the client area, or `NULL`.
|
|
* @param[out] ypos Where to store the y-coordinate of the upper-left corner of
|
|
* the client area, or `NULL`.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @sa glfwSetWindowPos
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI void glfwGetWindowPos(GLFWwindow* window, int* xpos, int* ypos);
|
|
|
|
/*! @brief Sets the position of the client area of the specified window.
|
|
*
|
|
* This function sets the position, in screen coordinates, of the upper-left
|
|
* corner of the client area of the window.
|
|
*
|
|
* If the specified window is a full screen window, this function does nothing.
|
|
*
|
|
* If you wish to set an initial window position you should create a hidden
|
|
* window (using @ref glfwWindowHint and `GLFW_VISIBLE`), set its position and
|
|
* then show it.
|
|
*
|
|
* @param[in] window The window to query.
|
|
* @param[in] xpos The x-coordinate of the upper-left corner of the client area.
|
|
* @param[in] ypos The y-coordinate of the upper-left corner of the client area.
|
|
*
|
|
* @note It is very rarely a good idea to move an already visible window, as it
|
|
* will confuse and annoy the user.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note The window manager may put limits on what positions are allowed.
|
|
*
|
|
* @sa glfwGetWindowPos
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI void glfwSetWindowPos(GLFWwindow* window, int xpos, int ypos);
|
|
|
|
/*! @brief Retrieves the size of the client area of the specified window.
|
|
*
|
|
* This function retrieves the size, in screen coordinates, of the client area
|
|
* of the specified window. If you wish to retrieve the size of the
|
|
* framebuffer in pixels, see @ref glfwGetFramebufferSize.
|
|
*
|
|
* @param[in] window The window whose size to retrieve.
|
|
* @param[out] width Where to store the width, in screen coordinates, of the
|
|
* client area, or `NULL`.
|
|
* @param[out] height Where to store the height, in screen coordinates, of the
|
|
* client area, or `NULL`.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @sa glfwSetWindowSize
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI void glfwGetWindowSize(GLFWwindow* window, int* width, int* height);
|
|
|
|
/*! @brief Sets the size of the client area of the specified window.
|
|
*
|
|
* This function sets the size, in screen coordinates, of the client area of
|
|
* the specified window.
|
|
*
|
|
* For full screen windows, this function selects and switches to the resolution
|
|
* closest to the specified size, without affecting the window's context. As
|
|
* the context is unaffected, the bit depths of the framebuffer remain
|
|
* unchanged.
|
|
*
|
|
* @param[in] window The window to resize.
|
|
* @param[in] width The desired width of the specified window.
|
|
* @param[in] height The desired height of the specified window.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note The window manager may put limits on what window sizes are allowed.
|
|
*
|
|
* @sa glfwGetWindowSize
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI void glfwSetWindowSize(GLFWwindow* window, int width, int height);
|
|
|
|
/*! @brief Retrieves the size of the framebuffer of the specified window.
|
|
*
|
|
* This function retrieves the size, in pixels, of the framebuffer of the
|
|
* specified window. If you wish to retrieve the size of the window in screen
|
|
* coordinates, see @ref glfwGetWindowSize.
|
|
*
|
|
* @param[in] window The window whose framebuffer to query.
|
|
* @param[out] width Where to store the width, in pixels, of the framebuffer,
|
|
* or `NULL`.
|
|
* @param[out] height Where to store the height, in pixels, of the framebuffer,
|
|
* or `NULL`.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @sa glfwSetFramebufferSizeCallback
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI void glfwGetFramebufferSize(GLFWwindow* window, int* width, int* height);
|
|
|
|
/*! @brief Retrieves the size of the frame of the window.
|
|
*
|
|
* This function retrieves the size, in screen coordinates, of each edge of the
|
|
* frame of the specified window. This size includes the title bar, if the
|
|
* window has one. The size of the frame may vary depending on the
|
|
* [window-related hints](@ref window_hints_wnd) used to create it.
|
|
*
|
|
* @param[in] window The window whose frame size to query.
|
|
* @param[out] left Where to store the size, in screen coordinates, of the left
|
|
* edge of the window frame.
|
|
* @param[out] top Where to store the size, in screen coordinates, of the top
|
|
* edge of the window frame.
|
|
* @param[out] right Where to store the size, in screen coordinates, of the
|
|
* right edge of the window frame.
|
|
* @param[out] bottom Where to store the size, in screen coordinates, of the
|
|
* bottom edge of the window frame.
|
|
*
|
|
* @remarks This function returns the size of each window frame edge, not its
|
|
* offset from the client area edge, so the returned values will always be zero
|
|
* or positive.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI void glfwGetWindowFrameSize(GLFWwindow* window, int* left, int* top, int* right, int* bottom);
|
|
|
|
/*! @brief Iconifies the specified window.
|
|
*
|
|
* This function iconifies/minimizes the specified window, if it was previously
|
|
* restored. If it is a full screen window, the original monitor resolution is
|
|
* restored until the window is restored. If the window is already iconified,
|
|
* this function does nothing.
|
|
*
|
|
* @param[in] window The window to iconify.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @sa glfwRestoreWindow
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI void glfwIconifyWindow(GLFWwindow* window);
|
|
|
|
/*! @brief Restores the specified window.
|
|
*
|
|
* This function restores the specified window, if it was previously
|
|
* iconified/minimized. If it is a full screen window, the resolution chosen
|
|
* for the window is restored on the selected monitor. If the window is
|
|
* already restored, this function does nothing.
|
|
*
|
|
* @param[in] window The window to restore.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @sa glfwIconifyWindow
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI void glfwRestoreWindow(GLFWwindow* window);
|
|
|
|
/*! @brief Makes the specified window visible.
|
|
*
|
|
* This function makes the specified window visible, if it was previously
|
|
* hidden. If the window is already visible or is in full screen mode, this
|
|
* function does nothing.
|
|
*
|
|
* @param[in] window The window to make visible.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @sa glfwHideWindow
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI void glfwShowWindow(GLFWwindow* window);
|
|
|
|
/*! @brief Hides the specified window.
|
|
*
|
|
* This function hides the specified window, if it was previously visible. If
|
|
* the window is already hidden or is in full screen mode, this function does
|
|
* nothing.
|
|
*
|
|
* @param[in] window The window to hide.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @sa glfwShowWindow
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI void glfwHideWindow(GLFWwindow* window);
|
|
|
|
/*! @brief Returns the monitor that the window uses for full screen mode.
|
|
*
|
|
* This function returns the handle of the monitor that the specified window is
|
|
* in full screen on.
|
|
*
|
|
* @param[in] window The window to query.
|
|
* @return The monitor, or `NULL` if the window is in windowed mode.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI GLFWmonitor* glfwGetWindowMonitor(GLFWwindow* window);
|
|
|
|
/*! @brief Returns an attribute of the specified window.
|
|
*
|
|
* This function returns an attribute of the specified window. There are many
|
|
* attributes, some related to the window and others to its context.
|
|
*
|
|
* @param[in] window The window to query.
|
|
* @param[in] attrib The [window attribute](@ref window_attribs) whose value to
|
|
* return.
|
|
* @return The value of the attribute, or zero if an error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI int glfwGetWindowAttrib(GLFWwindow* window, int attrib);
|
|
|
|
/*! @brief Sets the user pointer of the specified window.
|
|
*
|
|
* This function sets the user-defined pointer of the specified window. The
|
|
* current value is retained until the window is destroyed. The initial value
|
|
* is `NULL`.
|
|
*
|
|
* @param[in] window The window whose pointer to set.
|
|
* @param[in] pointer The new value.
|
|
*
|
|
* @remarks This function may be called from any thread.
|
|
*
|
|
* @sa glfwGetWindowUserPointer
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI void glfwSetWindowUserPointer(GLFWwindow* window, void* pointer);
|
|
|
|
/*! @brief Returns the user pointer of the specified window.
|
|
*
|
|
* This function returns the current value of the user-defined pointer of the
|
|
* specified window. The initial value is `NULL`.
|
|
*
|
|
* @param[in] window The window whose pointer to return.
|
|
*
|
|
* @remarks This function may be called from any thread.
|
|
*
|
|
* @sa glfwSetWindowUserPointer
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI void* glfwGetWindowUserPointer(GLFWwindow* window);
|
|
|
|
/*! @brief Sets the position callback for the specified window.
|
|
*
|
|
* This function sets the position callback of the specified window, which is
|
|
* called when the window is moved. The callback is provided with the screen
|
|
* position of the upper-left corner of the client area of the window.
|
|
*
|
|
* @param[in] window The window whose callback to set.
|
|
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
|
|
* callback.
|
|
* @return The previously set callback, or `NULL` if no callback was set or an
|
|
* error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI GLFWwindowposfun glfwSetWindowPosCallback(GLFWwindow* window, GLFWwindowposfun cbfun);
|
|
|
|
/*! @brief Sets the size callback for the specified window.
|
|
*
|
|
* This function sets the size callback of the specified window, which is
|
|
* called when the window is resized. The callback is provided with the size,
|
|
* in screen coordinates, of the client area of the window.
|
|
*
|
|
* @param[in] window The window whose callback to set.
|
|
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
|
|
* callback.
|
|
* @return The previously set callback, or `NULL` if no callback was set or an
|
|
* error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI GLFWwindowsizefun glfwSetWindowSizeCallback(GLFWwindow* window, GLFWwindowsizefun cbfun);
|
|
|
|
/*! @brief Sets the close callback for the specified window.
|
|
*
|
|
* This function sets the close callback of the specified window, which is
|
|
* called when the user attempts to close the window, for example by clicking
|
|
* the close widget in the title bar.
|
|
*
|
|
* The close flag is set before this callback is called, but you can modify it
|
|
* at any time with @ref glfwSetWindowShouldClose.
|
|
*
|
|
* The close callback is not triggered by @ref glfwDestroyWindow.
|
|
*
|
|
* @param[in] window The window whose callback to set.
|
|
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
|
|
* callback.
|
|
* @return The previously set callback, or `NULL` if no callback was set or an
|
|
* error occurred.
|
|
*
|
|
* @par New in GLFW 3
|
|
* The close callback no longer returns a value.
|
|
*
|
|
* @remarks **OS X:** Selecting Quit from the application menu will
|
|
* trigger the close callback for all windows.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI GLFWwindowclosefun glfwSetWindowCloseCallback(GLFWwindow* window, GLFWwindowclosefun cbfun);
|
|
|
|
/*! @brief Sets the refresh callback for the specified window.
|
|
*
|
|
* This function sets the refresh callback of the specified window, which is
|
|
* called when the client area of the window needs to be redrawn, for example
|
|
* if the window has been exposed after having been covered by another window.
|
|
*
|
|
* On compositing window systems such as Aero, Compiz or Aqua, where the window
|
|
* contents are saved off-screen, this callback may be called only very
|
|
* infrequently or never at all.
|
|
*
|
|
* @param[in] window The window whose callback to set.
|
|
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
|
|
* callback.
|
|
* @return The previously set callback, or `NULL` if no callback was set or an
|
|
* error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note On compositing window systems such as Aero, Compiz or Aqua, where the
|
|
* window contents are saved off-screen, this callback may be called only very
|
|
* infrequently or never at all.
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI GLFWwindowrefreshfun glfwSetWindowRefreshCallback(GLFWwindow* window, GLFWwindowrefreshfun cbfun);
|
|
|
|
/*! @brief Sets the focus callback for the specified window.
|
|
*
|
|
* This function sets the focus callback of the specified window, which is
|
|
* called when the window gains or loses focus.
|
|
*
|
|
* After the focus callback is called for a window that lost focus, synthetic
|
|
* key and mouse button release events will be generated for all such that had
|
|
* been pressed. For more information, see @ref glfwSetKeyCallback and @ref
|
|
* glfwSetMouseButtonCallback.
|
|
*
|
|
* @param[in] window The window whose callback to set.
|
|
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
|
|
* callback.
|
|
* @return The previously set callback, or `NULL` if no callback was set or an
|
|
* error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI GLFWwindowfocusfun glfwSetWindowFocusCallback(GLFWwindow* window, GLFWwindowfocusfun cbfun);
|
|
|
|
/*! @brief Sets the iconify callback for the specified window.
|
|
*
|
|
* This function sets the iconification callback of the specified window, which
|
|
* is called when the window is iconified or restored.
|
|
*
|
|
* @param[in] window The window whose callback to set.
|
|
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
|
|
* callback.
|
|
* @return The previously set callback, or `NULL` if no callback was set or an
|
|
* error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI GLFWwindowiconifyfun glfwSetWindowIconifyCallback(GLFWwindow* window, GLFWwindowiconifyfun cbfun);
|
|
|
|
/*! @brief Sets the framebuffer resize callback for the specified window.
|
|
*
|
|
* This function sets the framebuffer resize callback of the specified window,
|
|
* which is called when the framebuffer of the specified window is resized.
|
|
*
|
|
* @param[in] window The window whose callback to set.
|
|
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
|
|
* callback.
|
|
* @return The previously set callback, or `NULL` if no callback was set or an
|
|
* error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI GLFWframebuffersizefun glfwSetFramebufferSizeCallback(GLFWwindow* window, GLFWframebuffersizefun cbfun);
|
|
|
|
/*! @brief Processes all pending events.
|
|
*
|
|
* This function processes only those events that have already been received
|
|
* and then returns immediately. Processing events will cause the window and
|
|
* input callbacks associated with those events to be called.
|
|
*
|
|
* This function is not required for joystick input to work.
|
|
*
|
|
* @par New in GLFW 3
|
|
* This function is no longer called by @ref glfwSwapBuffers. You need to call
|
|
* it or @ref glfwWaitEvents yourself.
|
|
*
|
|
* @remarks On some platforms, a window move, resize or menu operation will
|
|
* cause event processing to block. This is due to how event processing is
|
|
* designed on those platforms. You can use the
|
|
* [window refresh callback](@ref GLFWwindowrefreshfun) to redraw the contents
|
|
* of your window when necessary during the operation.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note This function may not be called from a callback.
|
|
*
|
|
* @note On some platforms, certain callbacks may be called outside of a call
|
|
* to one of the event processing functions.
|
|
*
|
|
* @sa glfwWaitEvents
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI void glfwPollEvents(void);
|
|
|
|
/*! @brief Waits until events are pending and processes them.
|
|
*
|
|
* This function puts the calling thread to sleep until at least one event has
|
|
* been received. Once one or more events have been received, it behaves as if
|
|
* @ref glfwPollEvents was called, i.e. the events are processed and the
|
|
* function then returns immediately. Processing events will cause the window
|
|
* and input callbacks associated with those events to be called.
|
|
*
|
|
* Since not all events are associated with callbacks, this function may return
|
|
* without a callback having been called even if you are monitoring all
|
|
* callbacks.
|
|
*
|
|
* This function is not required for joystick input to work.
|
|
*
|
|
* @remarks On some platforms, a window move, resize or menu operation will
|
|
* cause event processing to block. This is due to how event processing is
|
|
* designed on those platforms. You can use the
|
|
* [window refresh callback](@ref GLFWwindowrefreshfun) to redraw the contents
|
|
* of your window when necessary during the operation.
|
|
*
|
|
* @remarks If no windows exist, this function returns immediately. For
|
|
* synchronization of threads in applications that do not create windows, use
|
|
* your threading library of choice.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note This function may not be called from a callback.
|
|
*
|
|
* @note On some platforms, certain callbacks may be called outside of a call
|
|
* to one of the event processing functions.
|
|
*
|
|
* @sa glfwPollEvents
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI void glfwWaitEvents(void);
|
|
|
|
/*! @brief Posts an empty event to the event queue.
|
|
*
|
|
* This function posts an empty event from the current thread to the main
|
|
* thread event queue, causing @ref glfwWaitEvents to return.
|
|
*
|
|
* @remarks If no windows exist, this function returns immediately. For
|
|
* synchronization of threads in applications that do not create windows, use
|
|
* your threading library of choice.
|
|
*
|
|
* @remarks This function may be called from any thread.
|
|
*
|
|
* @sa glfwWaitEvents
|
|
*
|
|
* @ingroup window
|
|
*/
|
|
GLFWAPI void glfwPostEmptyEvent(void);
|
|
|
|
/*! @brief Returns the value of an input option for the specified window.
|
|
*
|
|
* @param[in] window The window to query.
|
|
* @param[in] mode One of `GLFW_CURSOR`, `GLFW_STICKY_KEYS` or
|
|
* `GLFW_STICKY_MOUSE_BUTTONS`.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @sa glfwSetInputMode
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
GLFWAPI int glfwGetInputMode(GLFWwindow* window, int mode);
|
|
|
|
/*! @brief Sets an input option for the specified window.
|
|
* @param[in] window The window whose input mode to set.
|
|
* @param[in] mode One of `GLFW_CURSOR`, `GLFW_STICKY_KEYS` or
|
|
* `GLFW_STICKY_MOUSE_BUTTONS`.
|
|
* @param[in] value The new value of the specified input mode.
|
|
*
|
|
* If `mode` is `GLFW_CURSOR`, the value must be one of the supported input
|
|
* modes:
|
|
* - `GLFW_CURSOR_NORMAL` makes the cursor visible and behaving normally.
|
|
* - `GLFW_CURSOR_HIDDEN` makes the cursor invisible when it is over the client
|
|
* area of the window but does not restrict the cursor from leaving. This is
|
|
* useful if you wish to render your own cursor or have no visible cursor at
|
|
* all.
|
|
* - `GLFW_CURSOR_DISABLED` hides and grabs the cursor, providing virtual
|
|
* and unlimited cursor movement. This is useful for implementing for
|
|
* example 3D camera controls.
|
|
*
|
|
* If `mode` is `GLFW_STICKY_KEYS`, the value must be either `GL_TRUE` to
|
|
* enable sticky keys, or `GL_FALSE` to disable it. If sticky keys are
|
|
* enabled, a key press will ensure that @ref glfwGetKey returns @ref
|
|
* GLFW_PRESS the next time it is called even if the key had been released
|
|
* before the call. This is useful when you are only interested in whether
|
|
* keys have been pressed but not when or in which order.
|
|
*
|
|
* If `mode` is `GLFW_STICKY_MOUSE_BUTTONS`, the value must be either `GL_TRUE`
|
|
* to enable sticky mouse buttons, or `GL_FALSE` to disable it. If sticky
|
|
* mouse buttons are enabled, a mouse button press will ensure that @ref
|
|
* glfwGetMouseButton returns @ref GLFW_PRESS the next time it is called even
|
|
* if the mouse button had been released before the call. This is useful when
|
|
* you are only interested in whether mouse buttons have been pressed but not
|
|
* when or in which order.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @sa glfwGetInputMode
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
GLFWAPI void glfwSetInputMode(GLFWwindow* window, int mode, int value);
|
|
|
|
/*! @brief Returns the last reported state of a keyboard key for the specified
|
|
* window.
|
|
*
|
|
* This function returns the last state reported for the specified key to the
|
|
* specified window. The returned state is one of `GLFW_PRESS` or
|
|
* `GLFW_RELEASE`. The higher-level state `GLFW_REPEAT` is only reported to
|
|
* the key callback.
|
|
*
|
|
* If the `GLFW_STICKY_KEYS` input mode is enabled, this function returns
|
|
* `GLFW_PRESS` the first time you call this function after a key has been
|
|
* pressed, even if the key has already been released.
|
|
*
|
|
* The key functions deal with physical keys, with [key tokens](@ref keys)
|
|
* named after their use on the standard US keyboard layout. If you want to
|
|
* input text, use the Unicode character callback instead.
|
|
*
|
|
* @param[in] window The desired window.
|
|
* @param[in] key The desired [keyboard key](@ref keys).
|
|
* @return One of `GLFW_PRESS` or `GLFW_RELEASE`.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note `GLFW_KEY_UNKNOWN` is not a valid key for this function.
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
GLFWAPI int glfwGetKey(GLFWwindow* window, int key);
|
|
|
|
/*! @brief Returns the last reported state of a mouse button for the specified
|
|
* window.
|
|
*
|
|
* This function returns the last state reported for the specified mouse button
|
|
* to the specified window.
|
|
*
|
|
* If the `GLFW_STICKY_MOUSE_BUTTONS` input mode is enabled, this function
|
|
* returns `GLFW_PRESS` the first time you call this function after a mouse
|
|
* button has been pressed, even if the mouse button has already been released.
|
|
*
|
|
* @param[in] window The desired window.
|
|
* @param[in] button The desired [mouse button](@ref buttons).
|
|
* @return One of `GLFW_PRESS` or `GLFW_RELEASE`.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
GLFWAPI int glfwGetMouseButton(GLFWwindow* window, int button);
|
|
|
|
/*! @brief Retrieves the last reported cursor position, relative to the client
|
|
* area of the window.
|
|
*
|
|
* This function returns the last reported position of the cursor, in screen
|
|
* coordinates, relative to the upper-left corner of the client area of the
|
|
* specified window.
|
|
*
|
|
* If the cursor is disabled (with `GLFW_CURSOR_DISABLED`) then the cursor
|
|
* position is unbounded and limited only by the minimum and maximum values of
|
|
* a `double`.
|
|
*
|
|
* The coordinate can be converted to their integer equivalents with the
|
|
* `floor` function. Casting directly to an integer type works for positive
|
|
* coordinates, but fails for negative ones.
|
|
*
|
|
* @param[in] window The desired window.
|
|
* @param[out] xpos Where to store the cursor x-coordinate, relative to the
|
|
* left edge of the client area, or `NULL`.
|
|
* @param[out] ypos Where to store the cursor y-coordinate, relative to the to
|
|
* top edge of the client area, or `NULL`.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @sa glfwSetCursorPos
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
GLFWAPI void glfwGetCursorPos(GLFWwindow* window, double* xpos, double* ypos);
|
|
|
|
/*! @brief Sets the position of the cursor, relative to the client area of the
|
|
* window.
|
|
*
|
|
* This function sets the position, in screen coordinates, of the cursor
|
|
* relative to the upper-left corner of the client area of the specified
|
|
* window. The window must be focused. If the window does not have focus when
|
|
* this function is called, it fails silently.
|
|
*
|
|
* If the cursor is disabled (with `GLFW_CURSOR_DISABLED`) then the cursor
|
|
* position is unbounded and limited only by the minimum and maximum values of
|
|
* a `double`.
|
|
*
|
|
* @param[in] window The desired window.
|
|
* @param[in] xpos The desired x-coordinate, relative to the left edge of the
|
|
* client area.
|
|
* @param[in] ypos The desired y-coordinate, relative to the top edge of the
|
|
* client area.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @sa glfwGetCursorPos
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
GLFWAPI void glfwSetCursorPos(GLFWwindow* window, double xpos, double ypos);
|
|
|
|
/*! @brief Creates a cursor.
|
|
*
|
|
* @param[in] image The desired cursor image.
|
|
* @param[in] xhot The desired x-coordinate of the cursor hotspot.
|
|
* @param[in] yhot The desired y-coordinate of the cursor hotspot.
|
|
*
|
|
* @return A new cursor ready to use or `NULL` if an error occurred. If you
|
|
* don't destroy the cursor by calling `glfwDestroyCursor` it will be destroyed
|
|
* automatically by `GLFW` on termination.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
GLFWAPI GLFWcursor* glfwCreateCursor(const GLFWimage* image, int xhot, int yhot);
|
|
|
|
/*! @brief Destroys a cursor.
|
|
*
|
|
* This function destroys a cursor previously created by a call to
|
|
* `glfwCreateCursor`. `GLFW` will destroy all cursors automatically on
|
|
* termination.
|
|
*
|
|
* @param[in] cursor The cursor to destroy.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
GLFWAPI void glfwDestroyCursor(GLFWcursor* cursor);
|
|
|
|
/*! @brief Sets the cursor for a given window.
|
|
*
|
|
* @param[in] window The window to set the cursor for.
|
|
* @param[in] cursor The cursor to change to, or `NULL` to switch back to the
|
|
* default system cursor.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
GLFWAPI void glfwSetCursor(GLFWwindow* window, GLFWcursor* cursor);
|
|
|
|
/*! @brief Sets the key callback.
|
|
*
|
|
* This function sets the key callback of the specific window, which is called
|
|
* when a key is pressed, repeated or released.
|
|
*
|
|
* The key functions deal with physical keys, with layout independent
|
|
* [key tokens](@ref keys) named after their values in the standard US keyboard
|
|
* layout. If you want to input text, use the
|
|
* [character callback](@ref glfwSetCharCallback) instead.
|
|
*
|
|
* When a window loses focus, it will generate synthetic key release events
|
|
* for all pressed keys. You can tell these events from user-generated events
|
|
* by the fact that the synthetic ones are generated after the window has lost
|
|
* focus, i.e. `GLFW_FOCUSED` will be false and the focus callback will have
|
|
* already been called.
|
|
*
|
|
* The scancode of a key is specific to that platform or sometimes even to that
|
|
* machine. Scancodes are intended to allow users to bind keys that don't have
|
|
* a GLFW key token. Such keys have `key` set to `GLFW_KEY_UNKNOWN`, their
|
|
* state is not saved and so it cannot be retrieved with @ref glfwGetKey.
|
|
*
|
|
* Sometimes GLFW needs to generate synthetic key events, in which case the
|
|
* scancode may be zero.
|
|
*
|
|
* @param[in] window The window whose callback to set.
|
|
* @param[in] cbfun The new key callback, or `NULL` to remove the currently
|
|
* set callback.
|
|
* @return The previously set callback, or `NULL` if no callback was set or an
|
|
* error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
GLFWAPI GLFWkeyfun glfwSetKeyCallback(GLFWwindow* window, GLFWkeyfun cbfun);
|
|
|
|
/*! @brief Sets the Unicode character callback.
|
|
*
|
|
* This function sets the character callback of the specific window, which is
|
|
* called when a Unicode character is input.
|
|
*
|
|
* The character callback is intended for text input. If you want to know
|
|
* whether a specific key was pressed or released, use the
|
|
* [key callback](@ref glfwSetKeyCallback) instead.
|
|
*
|
|
* @param[in] window The window whose callback to set.
|
|
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
|
|
* callback.
|
|
* @return The previously set callback, or `NULL` if no callback was set or an
|
|
* error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
GLFWAPI GLFWcharfun glfwSetCharCallback(GLFWwindow* window, GLFWcharfun cbfun);
|
|
|
|
/*! @brief Sets the mouse button callback.
|
|
*
|
|
* This function sets the mouse button callback of the specified window, which
|
|
* is called when a mouse button is pressed or released.
|
|
*
|
|
* When a window loses focus, it will generate synthetic mouse button release
|
|
* events for all pressed mouse buttons. You can tell these events from
|
|
* user-generated events by the fact that the synthetic ones are generated
|
|
* after the window has lost focus, i.e. `GLFW_FOCUSED` will be false and the
|
|
* focus callback will have already been called.
|
|
*
|
|
* @param[in] window The window whose callback to set.
|
|
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
|
|
* callback.
|
|
* @return The previously set callback, or `NULL` if no callback was set or an
|
|
* error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
GLFWAPI GLFWmousebuttonfun glfwSetMouseButtonCallback(GLFWwindow* window, GLFWmousebuttonfun cbfun);
|
|
|
|
/*! @brief Sets the cursor position callback.
|
|
*
|
|
* This function sets the cursor position callback of the specified window,
|
|
* which is called when the cursor is moved. The callback is provided with the
|
|
* position, in screen coordinates, relative to the upper-left corner of the
|
|
* client area of the window.
|
|
*
|
|
* @param[in] window The window whose callback to set.
|
|
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
|
|
* callback.
|
|
* @return The previously set callback, or `NULL` if no callback was set or an
|
|
* error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
GLFWAPI GLFWcursorposfun glfwSetCursorPosCallback(GLFWwindow* window, GLFWcursorposfun cbfun);
|
|
|
|
/*! @brief Sets the cursor enter/exit callback.
|
|
*
|
|
* This function sets the cursor boundary crossing callback of the specified
|
|
* window, which is called when the cursor enters or leaves the client area of
|
|
* the window.
|
|
*
|
|
* @param[in] window The window whose callback to set.
|
|
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
|
|
* callback.
|
|
* @return The previously set callback, or `NULL` if no callback was set or an
|
|
* error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
GLFWAPI GLFWcursorenterfun glfwSetCursorEnterCallback(GLFWwindow* window, GLFWcursorenterfun cbfun);
|
|
|
|
/*! @brief Sets the scroll callback.
|
|
*
|
|
* This function sets the scroll callback of the specified window, which is
|
|
* called when a scrolling device is used, such as a mouse wheel or scrolling
|
|
* area of a touchpad.
|
|
*
|
|
* The scroll callback receives all scrolling input, like that from a mouse
|
|
* wheel or a touchpad scrolling area.
|
|
*
|
|
* @param[in] window The window whose callback to set.
|
|
* @param[in] cbfun The new scroll callback, or `NULL` to remove the currently
|
|
* set callback.
|
|
* @return The previously set callback, or `NULL` if no callback was set or an
|
|
* error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
GLFWAPI GLFWscrollfun glfwSetScrollCallback(GLFWwindow* window, GLFWscrollfun cbfun);
|
|
|
|
/*! @brief Sets the file drop callback.
|
|
*
|
|
* This function sets the file drop callback of the specified window, which is
|
|
* called when one or more dragged files are dropped on the window.
|
|
*
|
|
*
|
|
* @param[in] window The window whose callback to set.
|
|
* @param[in] cbfun The new file drop callback, or `NULL` to remove the
|
|
* currently set callback.
|
|
* @return The previously set callback, or `NULL` if no callback was set or an
|
|
* error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
GLFWAPI GLFWdropfun glfwSetDropCallback(GLFWwindow* window, GLFWdropfun cbfun);
|
|
|
|
/*! @brief Returns whether the specified joystick is present.
|
|
*
|
|
* This function returns whether the specified joystick is present.
|
|
*
|
|
* @param[in] joy The joystick to query.
|
|
* @return `GL_TRUE` if the joystick is present, or `GL_FALSE` otherwise.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
GLFWAPI int glfwJoystickPresent(int joy);
|
|
|
|
/*! @brief Returns the values of all axes of the specified joystick.
|
|
*
|
|
* This function returns the values of all axes of the specified joystick.
|
|
*
|
|
* @param[in] joy The joystick to query.
|
|
* @param[out] count Where to store the size of the returned array. This is
|
|
* set to zero if an error occurred.
|
|
* @return An array of axis values, or `NULL` if the joystick is not present.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note The returned array is allocated and freed by GLFW. You should not
|
|
* free it yourself.
|
|
*
|
|
* @note The returned array is valid only until the next call to @ref
|
|
* glfwGetJoystickAxes for that joystick.
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
GLFWAPI const float* glfwGetJoystickAxes(int joy, int* count);
|
|
|
|
/*! @brief Returns the state of all buttons of the specified joystick.
|
|
*
|
|
* This function returns the state of all buttons of the specified joystick.
|
|
*
|
|
* @param[in] joy The joystick to query.
|
|
* @param[out] count Where to store the size of the returned array. This is
|
|
* set to zero if an error occurred.
|
|
* @return An array of button states, or `NULL` if the joystick is not present.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note The returned array is allocated and freed by GLFW. You should not
|
|
* free it yourself.
|
|
*
|
|
* @note The returned array is valid only until the next call to @ref
|
|
* glfwGetJoystickButtons for that joystick.
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
GLFWAPI const unsigned char* glfwGetJoystickButtons(int joy, int* count);
|
|
|
|
/*! @brief Returns the name of the specified joystick.
|
|
*
|
|
* This function returns the name, encoded as UTF-8, of the specified joystick.
|
|
*
|
|
* @param[in] joy The joystick to query.
|
|
* @return The UTF-8 encoded name of the joystick, or `NULL` if the joystick
|
|
* is not present.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note The returned string is allocated and freed by GLFW. You should not
|
|
* free it yourself.
|
|
*
|
|
* @note The returned string is valid only until the next call to @ref
|
|
* glfwGetJoystickName for that joystick.
|
|
*
|
|
* @ingroup input
|
|
*/
|
|
GLFWAPI const char* glfwGetJoystickName(int joy);
|
|
|
|
/*! @brief Sets the clipboard to the specified string.
|
|
*
|
|
* This function sets the system clipboard to the specified, UTF-8 encoded
|
|
* string. The string is copied before returning, so you don't have to retain
|
|
* it afterwards.
|
|
*
|
|
* @param[in] window The window that will own the clipboard contents.
|
|
* @param[in] string A UTF-8 encoded string.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @sa glfwGetClipboardString
|
|
*
|
|
* @ingroup clipboard
|
|
*/
|
|
GLFWAPI void glfwSetClipboardString(GLFWwindow* window, const char* string);
|
|
|
|
/*! @brief Retrieves the contents of the clipboard as a string.
|
|
*
|
|
* This function returns the contents of the system clipboard, if it contains
|
|
* or is convertible to a UTF-8 encoded string.
|
|
*
|
|
* @param[in] window The window that will request the clipboard contents.
|
|
* @return The contents of the clipboard as a UTF-8 encoded string, or `NULL`
|
|
* if an error occurred.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note The returned string is allocated and freed by GLFW. You should not
|
|
* free it yourself.
|
|
*
|
|
* @note The returned string is valid only until the next call to @ref
|
|
* glfwGetClipboardString or @ref glfwSetClipboardString.
|
|
*
|
|
* @sa glfwSetClipboardString
|
|
*
|
|
* @ingroup clipboard
|
|
*/
|
|
GLFWAPI const char* glfwGetClipboardString(GLFWwindow* window);
|
|
|
|
/*! @brief Returns the value of the GLFW timer.
|
|
*
|
|
* This function returns the value of the GLFW timer. Unless the timer has
|
|
* been set using @ref glfwSetTime, the timer measures time elapsed since GLFW
|
|
* was initialized.
|
|
*
|
|
* @return The current value, in seconds, or zero if an error occurred.
|
|
*
|
|
* @remarks This function may be called from any thread.
|
|
*
|
|
* @note The resolution of the timer is system dependent, but is usually on the
|
|
* order of a few micro- or nanoseconds. It uses the highest-resolution
|
|
* monotonic time source on each supported platform.
|
|
*
|
|
* @ingroup time
|
|
*/
|
|
GLFWAPI double glfwGetTime(void);
|
|
|
|
/*! @brief Sets the GLFW timer.
|
|
*
|
|
* This function sets the value of the GLFW timer. It then continues to count
|
|
* up from that value.
|
|
*
|
|
* @param[in] time The new value, in seconds.
|
|
*
|
|
* @note This function may only be called from the main thread.
|
|
*
|
|
* @note The resolution of the timer is system dependent, but is usually on the
|
|
* order of a few micro- or nanoseconds. It uses the highest-resolution
|
|
* monotonic time source on each supported platform.
|
|
*
|
|
* @ingroup time
|
|
*/
|
|
GLFWAPI void glfwSetTime(double time);
|
|
|
|
/*! @brief Makes the context of the specified window current for the calling
|
|
* thread.
|
|
*
|
|
* This function makes the context of the specified window current on the
|
|
* calling thread. A context can only be made current on a single thread at
|
|
* a time and each thread can have only a single current context at a time.
|
|
*
|
|
* @param[in] window The window whose context to make current, or `NULL` to
|
|
* detach the current context.
|
|
*
|
|
* @remarks This function may be called from any thread.
|
|
*
|
|
* @sa glfwGetCurrentContext
|
|
*
|
|
* @ingroup context
|
|
*/
|
|
GLFWAPI void glfwMakeContextCurrent(GLFWwindow* window);
|
|
|
|
/*! @brief Returns the window whose context is current on the calling thread.
|
|
*
|
|
* This function returns the window whose context is current on the calling
|
|
* thread.
|
|
*
|
|
* @return The window whose context is current, or `NULL` if no window's
|
|
* context is current.
|
|
*
|
|
* @remarks This function may be called from any thread.
|
|
*
|
|
* @sa glfwMakeContextCurrent
|
|
*
|
|
* @ingroup context
|
|
*/
|
|
GLFWAPI GLFWwindow* glfwGetCurrentContext(void);
|
|
|
|
/*! @brief Swaps the front and back buffers of the specified window.
|
|
*
|
|
* This function swaps the front and back buffers of the specified window. If
|
|
* the swap interval is greater than zero, the GPU driver waits the specified
|
|
* number of screen updates before swapping the buffers.
|
|
*
|
|
* @param[in] window The window whose buffers to swap.
|
|
*
|
|
* @par New in GLFW 3
|
|
* This function no longer calls @ref glfwPollEvents. You need to call it or
|
|
* @ref glfwWaitEvents yourself.
|
|
*
|
|
* @remarks This function may be called from any thread.
|
|
*
|
|
* @sa glfwSwapInterval
|
|
*
|
|
* @ingroup context
|
|
*/
|
|
GLFWAPI void glfwSwapBuffers(GLFWwindow* window);
|
|
|
|
/*! @brief Sets the swap interval for the current context.
|
|
*
|
|
* This function sets the swap interval for the current context, i.e. the
|
|
* number of screen updates to wait before swapping the buffers of a window and
|
|
* returning from @ref glfwSwapBuffers. This is sometimes called 'vertical
|
|
* synchronization', 'vertical retrace synchronization' or 'vsync'.
|
|
*
|
|
* Contexts that support either of the `WGL_EXT_swap_control_tear` and
|
|
* `GLX_EXT_swap_control_tear` extensions also accept negative swap intervals,
|
|
* which allow the driver to swap even if a frame arrives a little bit late.
|
|
* You can check for the presence of these extensions using @ref
|
|
* glfwExtensionSupported. For more information about swap tearing, see the
|
|
* extension specifications.
|
|
*
|
|
* @param[in] interval The minimum number of screen updates to wait for
|
|
* until the buffers are swapped by @ref glfwSwapBuffers.
|
|
*
|
|
* @remarks This function may be called from any thread.
|
|
*
|
|
* @note This function is not called during window creation, leaving the swap
|
|
* interval set to whatever is the default on that platform. This is done
|
|
* because some swap interval extensions used by GLFW do not allow the swap
|
|
* interval to be reset to zero once it has been set to a non-zero value.
|
|
*
|
|
* @note Some GPU drivers do not honor the requested swap interval, either
|
|
* because of user settings that override the request or due to bugs in the
|
|
* driver.
|
|
*
|
|
* @sa glfwSwapBuffers
|
|
*
|
|
* @ingroup context
|
|
*/
|
|
GLFWAPI void glfwSwapInterval(int interval);
|
|
|
|
/*! @brief Returns whether the specified extension is available.
|
|
*
|
|
* This function returns whether the specified
|
|
* [OpenGL or context creation API extension](@ref context_glext) is supported
|
|
* by the current context. For example, on Windows both the OpenGL and WGL
|
|
* extension strings are checked.
|
|
*
|
|
* @param[in] extension The ASCII encoded name of the extension.
|
|
* @return `GL_TRUE` if the extension is available, or `GL_FALSE` otherwise.
|
|
*
|
|
* @remarks This function may be called from any thread.
|
|
*
|
|
* @note As this functions searches one or more extension strings on each call,
|
|
* it is recommended that you cache its results if it's going to be used
|
|
* frequently. The extension strings will not change during the lifetime of
|
|
* a context, so there is no danger in doing this.
|
|
*
|
|
* @ingroup context
|
|
*/
|
|
GLFWAPI int glfwExtensionSupported(const char* extension);
|
|
|
|
/*! @brief Returns the address of the specified function for the current
|
|
* context.
|
|
*
|
|
* This function returns the address of the specified
|
|
* [client API or extension function](@ref context_glext), if it is supported
|
|
* by the current context.
|
|
*
|
|
* @param[in] procname The ASCII encoded name of the function.
|
|
* @return The address of the function, or `NULL` if the function is
|
|
* unavailable.
|
|
*
|
|
* @remarks This function may be called from any thread.
|
|
*
|
|
* @note The addresses of these functions are not guaranteed to be the same for
|
|
* all contexts, especially if they use different client APIs or even different
|
|
* context creation hints.
|
|
*
|
|
* @ingroup context
|
|
*/
|
|
GLFWAPI GLFWglproc glfwGetProcAddress(const char* procname);
|
|
|
|
|
|
/*************************************************************************
|
|
* Global definition cleanup
|
|
*************************************************************************/
|
|
|
|
/* ------------------- BEGIN SYSTEM/COMPILER SPECIFIC -------------------- */
|
|
|
|
#ifdef GLFW_WINGDIAPI_DEFINED
|
|
#undef WINGDIAPI
|
|
#undef GLFW_WINGDIAPI_DEFINED
|
|
#endif
|
|
|
|
#ifdef GLFW_CALLBACK_DEFINED
|
|
#undef CALLBACK
|
|
#undef GLFW_CALLBACK_DEFINED
|
|
#endif
|
|
|
|
/* -------------------- END SYSTEM/COMPILER SPECIFIC --------------------- */
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _glfw3_h_ */
|
|
|