glfw3.h

/*************************************************************************
 * GLFW 3.3 - www.glfw.org
 * A library for OpenGL, window and input
 *------------------------------------------------------------------------
 * Copyright (c) 2002-2006 Marcus Geelnard
 * Copyright (c) 2006-2019 Camilla Löwy <elmindreda@glfw.org>
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would
 *    be appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and must not
 *    be misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source
 *    distribution.
 *
 *************************************************************************/

#ifndef _glfw3_h_
#define _glfw3_h_

#ifdef __cplusplus
extern "C" {
#endif


/*************************************************************************
 * Doxygen documentation
 *************************************************************************/

/*************************************************************************
 * Compiler- and platform-specific preprocessor work
 *************************************************************************/

/* If we are we on Windows, we want a single define for it.
 */
#if !defined(_WIN32) && (defined(__WIN32__) || defined(WIN32) || defined(__MINGW32__))
 #define _WIN32
#endif /* _WIN32 */

/* Include because most Windows GLU headers need wchar_t and
 * the macOS OpenGL header blocks the definition of ptrdiff_t by glext.h.
 * Include it unconditionally to avoid surprising side-effects.
 */
#include <stddef.h>

/* Include because it is needed by Vulkan and related functions.
 * Include it unconditionally to avoid surprising side-effects.
 */
#include <stdint.h>

#if defined(GLFW_INCLUDE_VULKAN)
  #include <vulkan/vulkan.h>
#endif /* Vulkan header */

/* The Vulkan header may have indirectly included windows.h (because of
 * VK_USE_PLATFORM_WIN32_KHR) so we offer our replacement symbols after it.
 */

/* It is customary to use APIENTRY for OpenGL function pointer declarations on
 * all platforms.  Additionally, the Windows OpenGL header needs APIENTRY.
 */
#if !defined(APIENTRY)
 #if defined(_WIN32)
  #define APIENTRY __stdcall
 #else
  #define APIENTRY
 #endif
 #define GLFW_APIENTRY_DEFINED
#endif /* APIENTRY */

/* Some Windows OpenGL headers need this.
 */
#if !defined(WINGDIAPI) && defined(_WIN32)
 #define WINGDIAPI __declspec(dllimport)
 #define GLFW_WINGDIAPI_DEFINED
#endif /* WINGDIAPI */

/* Some Windows GLU headers need this.
 */
#if !defined(CALLBACK) && defined(_WIN32)
 #define CALLBACK __stdcall
 #define GLFW_CALLBACK_DEFINED
#endif /* CALLBACK */

/* Include the chosen OpenGL or OpenGL ES headers.
 */
#if defined(GLFW_INCLUDE_ES1)

 #include <GLES/gl.h>
 #if defined(GLFW_INCLUDE_GLEXT)
  #include <GLES/glext.h>
 #endif

#elif defined(GLFW_INCLUDE_ES2)

 #include <GLES2/gl2.h>
 #if defined(GLFW_INCLUDE_GLEXT)
  #include <GLES2/gl2ext.h>
 #endif

#elif defined(GLFW_INCLUDE_ES3)

 #include <GLES3/gl3.h>
 #if defined(GLFW_INCLUDE_GLEXT)
  #include <GLES2/gl2ext.h>
 #endif

#elif defined(GLFW_INCLUDE_ES31)

 #include <GLES3/gl31.h>
 #if defined(GLFW_INCLUDE_GLEXT)
  #include <GLES2/gl2ext.h>
 #endif

#elif defined(GLFW_INCLUDE_ES32)

 #include <GLES3/gl32.h>
 #if defined(GLFW_INCLUDE_GLEXT)
  #include <GLES2/gl2ext.h>
 #endif

#elif defined(GLFW_INCLUDE_GLCOREARB)

 #if defined(__APPLE__)

  #include <OpenGL/gl3.h>
  #if defined(GLFW_INCLUDE_GLEXT)
   #include <OpenGL/gl3ext.h>
  #endif /*GLFW_INCLUDE_GLEXT*/

 #else /*__APPLE__*/

  #include <GL/glcorearb.h>
  #if defined(GLFW_INCLUDE_GLEXT)
   #include <GL/glext.h>
  #endif

 #endif /*__APPLE__*/

#elif defined(GLFW_INCLUDE_GLU)

 #if defined(__APPLE__)

  #if defined(GLFW_INCLUDE_GLU)
   #include <OpenGL/glu.h>
  #endif

 #else /*__APPLE__*/

  #if defined(GLFW_INCLUDE_GLU)
   #include <GL/glu.h>
  #endif

 #endif /*__APPLE__*/

#elif !defined(GLFW_INCLUDE_NONE) && \
      !defined(__gl_h_) && \
      !defined(__gles1_gl_h_) && \
      !defined(__gles2_gl2_h_) && \
      !defined(__gles2_gl3_h_) && \
      !defined(__gles2_gl31_h_) && \
      !defined(__gles2_gl32_h_) && \
      !defined(__gl_glcorearb_h_) && \
      !defined(__gl2_h_) /*legacy*/ && \
      !defined(__gl3_h_) /*legacy*/ && \
      !defined(__gl31_h_) /*legacy*/ && \
      !defined(__gl32_h_) /*legacy*/ && \
      !defined(__glcorearb_h_) /*legacy*/ && \
      !defined(__GL_H__) /*non-standard*/ && \
      !defined(__gltypes_h_) /*non-standard*/ && \
      !defined(__glee_h_) /*non-standard*/

 #if defined(__APPLE__)

  #if !defined(GLFW_INCLUDE_GLEXT)
   #define GL_GLEXT_LEGACY
  #endif
  #include <OpenGL/gl.h>

 #else /*__APPLE__*/

  #include <GL/gl.h>
  #if defined(GLFW_INCLUDE_GLEXT)
   #include <GL/glext.h>
  #endif

 #endif /*__APPLE__*/

#endif /* OpenGL and OpenGL ES headers */

#if defined(GLFW_DLL) && defined(_GLFW_BUILD_DLL)
 /* GLFW_DLL must be defined by applications that are linking against the DLL
  * version of the GLFW library.  _GLFW_BUILD_DLL is defined by the GLFW
  * configuration header when compiling the DLL version of the library.
  */
 #error "You must not have both GLFW_DLL and _GLFW_BUILD_DLL defined"
#endif

/* GLFWAPI is used to declare public API functions for export
 * from the DLL / shared library / dynamic library.
 */
#if defined(_WIN32) && defined(_GLFW_BUILD_DLL)
 /* We are building GLFW as a Win32 DLL */
 #define GLFWAPI __declspec(dllexport)
#elif defined(_WIN32) && defined(GLFW_DLL)
 /* We are calling a GLFW Win32 DLL */
 #define GLFWAPI __declspec(dllimport)
#elif defined(__GNUC__) && defined(_GLFW_BUILD_DLL)
 /* We are building GLFW as a Unix shared library */
 #define GLFWAPI __attribute__((visibility("default")))
#else
 #define GLFWAPI
#endif


/*************************************************************************
 * GLFW API tokens
 *************************************************************************/

#define GLFW_VERSION_MAJOR          3

#define GLFW_VERSION_MINOR          3

#define GLFW_VERSION_REVISION       8

#define GLFW_TRUE                   1

#define GLFW_FALSE                  0

#define GLFW_RELEASE                0

#define GLFW_PRESS                  1

#define GLFW_REPEAT                 2

#define GLFW_HAT_CENTERED           0
#define GLFW_HAT_UP                 1
#define GLFW_HAT_RIGHT              2
#define GLFW_HAT_DOWN               4
#define GLFW_HAT_LEFT               8
#define GLFW_HAT_RIGHT_UP           (GLFW_HAT_RIGHT | GLFW_HAT_UP)
#define GLFW_HAT_RIGHT_DOWN         (GLFW_HAT_RIGHT | GLFW_HAT_DOWN)
#define GLFW_HAT_LEFT_UP            (GLFW_HAT_LEFT  | GLFW_HAT_UP)
#define GLFW_HAT_LEFT_DOWN          (GLFW_HAT_LEFT  | GLFW_HAT_DOWN)

/* The unknown key */
#define GLFW_KEY_UNKNOWN            -1

/* Printable keys */
#define GLFW_KEY_SPACE              32
#define GLFW_KEY_APOSTROPHE         39  /* ' */
#define GLFW_KEY_COMMA              44  /* , */
#define GLFW_KEY_MINUS              45  /* - */
#define GLFW_KEY_PERIOD             46  /* . */
#define GLFW_KEY_SLASH              47  /* / */
#define GLFW_KEY_0                  48
#define GLFW_KEY_1                  49
#define GLFW_KEY_2                  50
#define GLFW_KEY_3                  51
#define GLFW_KEY_4                  52
#define GLFW_KEY_5                  53
#define GLFW_KEY_6                  54
#define GLFW_KEY_7                  55
#define GLFW_KEY_8                  56
#define GLFW_KEY_9                  57
#define GLFW_KEY_SEMICOLON          59  /* ; */
#define GLFW_KEY_EQUAL              61  /* = */
#define GLFW_KEY_A                  65
#define GLFW_KEY_B                  66
#define GLFW_KEY_C                  67
#define GLFW_KEY_D                  68
#define GLFW_KEY_E                  69
#define GLFW_KEY_F                  70
#define GLFW_KEY_G                  71
#define GLFW_KEY_H                  72
#define GLFW_KEY_I                  73
#define GLFW_KEY_J                  74
#define GLFW_KEY_K                  75
#define GLFW_KEY_L                  76
#define GLFW_KEY_M                  77
#define GLFW_KEY_N                  78
#define GLFW_KEY_O                  79
#define GLFW_KEY_P                  80
#define GLFW_KEY_Q                  81
#define GLFW_KEY_R                  82
#define GLFW_KEY_S                  83
#define GLFW_KEY_T                  84
#define GLFW_KEY_U                  85
#define GLFW_KEY_V                  86
#define GLFW_KEY_W                  87
#define GLFW_KEY_X                  88
#define GLFW_KEY_Y                  89
#define GLFW_KEY_Z                  90
#define GLFW_KEY_LEFT_BRACKET       91  /* [ */
#define GLFW_KEY_BACKSLASH          92  /* \ */
#define GLFW_KEY_RIGHT_BRACKET      93  /* ] */
#define GLFW_KEY_GRAVE_ACCENT       96  /* ` */
#define GLFW_KEY_WORLD_1            161 /* non-US #1 */
#define GLFW_KEY_WORLD_2            162 /* non-US #2 */

/* Function keys */
#define GLFW_KEY_ESCAPE             256
#define GLFW_KEY_ENTER              257
#define GLFW_KEY_TAB                258
#define GLFW_KEY_BACKSPACE          259
#define GLFW_KEY_INSERT             260
#define GLFW_KEY_DELETE             261
#define GLFW_KEY_RIGHT              262
#define GLFW_KEY_LEFT               263
#define GLFW_KEY_DOWN               264
#define GLFW_KEY_UP                 265
#define GLFW_KEY_PAGE_UP            266
#define GLFW_KEY_PAGE_DOWN          267
#define GLFW_KEY_HOME               268
#define GLFW_KEY_END                269
#define GLFW_KEY_CAPS_LOCK          280
#define GLFW_KEY_SCROLL_LOCK        281
#define GLFW_KEY_NUM_LOCK           282
#define GLFW_KEY_PRINT_SCREEN       283
#define GLFW_KEY_PAUSE              284
#define GLFW_KEY_F1                 290
#define GLFW_KEY_F2                 291
#define GLFW_KEY_F3                 292
#define GLFW_KEY_F4                 293
#define GLFW_KEY_F5                 294
#define GLFW_KEY_F6                 295
#define GLFW_KEY_F7                 296
#define GLFW_KEY_F8                 297
#define GLFW_KEY_F9                 298
#define GLFW_KEY_F10                299
#define GLFW_KEY_F11                300
#define GLFW_KEY_F12                301
#define GLFW_KEY_F13                302
#define GLFW_KEY_F14                303
#define GLFW_KEY_F15                304
#define GLFW_KEY_F16                305
#define GLFW_KEY_F17                306
#define GLFW_KEY_F18                307
#define GLFW_KEY_F19                308
#define GLFW_KEY_F20                309
#define GLFW_KEY_F21                310
#define GLFW_KEY_F22                311
#define GLFW_KEY_F23                312
#define GLFW_KEY_F24                313
#define GLFW_KEY_F25                314
#define GLFW_KEY_KP_0               320
#define GLFW_KEY_KP_1               321
#define GLFW_KEY_KP_2               322
#define GLFW_KEY_KP_3               323
#define GLFW_KEY_KP_4               324
#define GLFW_KEY_KP_5               325
#define GLFW_KEY_KP_6               326
#define GLFW_KEY_KP_7               327
#define GLFW_KEY_KP_8               328
#define GLFW_KEY_KP_9               329
#define GLFW_KEY_KP_DECIMAL         330
#define GLFW_KEY_KP_DIVIDE          331
#define GLFW_KEY_KP_MULTIPLY        332
#define GLFW_KEY_KP_SUBTRACT        333
#define GLFW_KEY_KP_ADD             334
#define GLFW_KEY_KP_ENTER           335
#define GLFW_KEY_KP_EQUAL           336
#define GLFW_KEY_LEFT_SHIFT         340
#define GLFW_KEY_LEFT_CONTROL       341
#define GLFW_KEY_LEFT_ALT           342
#define GLFW_KEY_LEFT_SUPER         343
#define GLFW_KEY_RIGHT_SHIFT        344
#define GLFW_KEY_RIGHT_CONTROL      345
#define GLFW_KEY_RIGHT_ALT          346
#define GLFW_KEY_RIGHT_SUPER        347
#define GLFW_KEY_MENU               348

#define GLFW_KEY_LAST               GLFW_KEY_MENU

#define GLFW_MOD_SHIFT           0x0001

#define GLFW_MOD_CONTROL         0x0002

#define GLFW_MOD_ALT             0x0004

#define GLFW_MOD_SUPER           0x0008

#define GLFW_MOD_CAPS_LOCK       0x0010

#define GLFW_MOD_NUM_LOCK        0x0020

#define GLFW_MOUSE_BUTTON_1         0
#define GLFW_MOUSE_BUTTON_2         1
#define GLFW_MOUSE_BUTTON_3         2
#define GLFW_MOUSE_BUTTON_4         3
#define GLFW_MOUSE_BUTTON_5         4
#define GLFW_MOUSE_BUTTON_6         5
#define GLFW_MOUSE_BUTTON_7         6
#define GLFW_MOUSE_BUTTON_8         7
#define GLFW_MOUSE_BUTTON_LAST      GLFW_MOUSE_BUTTON_8
#define GLFW_MOUSE_BUTTON_LEFT      GLFW_MOUSE_BUTTON_1
#define GLFW_MOUSE_BUTTON_RIGHT     GLFW_MOUSE_BUTTON_2
#define GLFW_MOUSE_BUTTON_MIDDLE    GLFW_MOUSE_BUTTON_3

#define GLFW_JOYSTICK_1             0
#define GLFW_JOYSTICK_2             1
#define GLFW_JOYSTICK_3             2
#define GLFW_JOYSTICK_4             3
#define GLFW_JOYSTICK_5             4
#define GLFW_JOYSTICK_6             5
#define GLFW_JOYSTICK_7             6
#define GLFW_JOYSTICK_8             7
#define GLFW_JOYSTICK_9             8
#define GLFW_JOYSTICK_10            9
#define GLFW_JOYSTICK_11            10
#define GLFW_JOYSTICK_12            11
#define GLFW_JOYSTICK_13            12
#define GLFW_JOYSTICK_14            13
#define GLFW_JOYSTICK_15            14
#define GLFW_JOYSTICK_16            15
#define GLFW_JOYSTICK_LAST          GLFW_JOYSTICK_16

#define GLFW_GAMEPAD_BUTTON_A               0
#define GLFW_GAMEPAD_BUTTON_B               1
#define GLFW_GAMEPAD_BUTTON_X               2
#define GLFW_GAMEPAD_BUTTON_Y               3
#define GLFW_GAMEPAD_BUTTON_LEFT_BUMPER     4
#define GLFW_GAMEPAD_BUTTON_RIGHT_BUMPER    5
#define GLFW_GAMEPAD_BUTTON_BACK            6
#define GLFW_GAMEPAD_BUTTON_START           7
#define GLFW_GAMEPAD_BUTTON_GUIDE           8
#define GLFW_GAMEPAD_BUTTON_LEFT_THUMB      9
#define GLFW_GAMEPAD_BUTTON_RIGHT_THUMB     10
#define GLFW_GAMEPAD_BUTTON_DPAD_UP         11
#define GLFW_GAMEPAD_BUTTON_DPAD_RIGHT      12
#define GLFW_GAMEPAD_BUTTON_DPAD_DOWN       13
#define GLFW_GAMEPAD_BUTTON_DPAD_LEFT       14
#define GLFW_GAMEPAD_BUTTON_LAST            GLFW_GAMEPAD_BUTTON_DPAD_LEFT

#define GLFW_GAMEPAD_BUTTON_CROSS       GLFW_GAMEPAD_BUTTON_A
#define GLFW_GAMEPAD_BUTTON_CIRCLE      GLFW_GAMEPAD_BUTTON_B
#define GLFW_GAMEPAD_BUTTON_SQUARE      GLFW_GAMEPAD_BUTTON_X
#define GLFW_GAMEPAD_BUTTON_TRIANGLE    GLFW_GAMEPAD_BUTTON_Y

#define GLFW_GAMEPAD_AXIS_LEFT_X        0
#define GLFW_GAMEPAD_AXIS_LEFT_Y        1
#define GLFW_GAMEPAD_AXIS_RIGHT_X       2
#define GLFW_GAMEPAD_AXIS_RIGHT_Y       3
#define GLFW_GAMEPAD_AXIS_LEFT_TRIGGER  4
#define GLFW_GAMEPAD_AXIS_RIGHT_TRIGGER 5
#define GLFW_GAMEPAD_AXIS_LAST          GLFW_GAMEPAD_AXIS_RIGHT_TRIGGER

#define GLFW_NO_ERROR               0

#define GLFW_NOT_INITIALIZED        0x00010001

#define GLFW_NO_CURRENT_CONTEXT     0x00010002

#define GLFW_INVALID_ENUM           0x00010003

#define GLFW_INVALID_VALUE          0x00010004

#define GLFW_OUT_OF_MEMORY          0x00010005

#define GLFW_API_UNAVAILABLE        0x00010006

#define GLFW_VERSION_UNAVAILABLE    0x00010007

#define GLFW_PLATFORM_ERROR         0x00010008

#define GLFW_FORMAT_UNAVAILABLE     0x00010009

#define GLFW_NO_WINDOW_CONTEXT      0x0001000A

#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_FLOATING               0x00020007

#define GLFW_MAXIMIZED              0x00020008

#define GLFW_CENTER_CURSOR          0x00020009

#define GLFW_TRANSPARENT_FRAMEBUFFER 0x0002000A

#define GLFW_HOVERED                0x0002000B

#define GLFW_FOCUS_ON_SHOW          0x0002000C

#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_DOUBLEBUFFER           0x00021010

#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_CONTEXT_RELEASE_BEHAVIOR 0x00022009

#define GLFW_CONTEXT_NO_ERROR       0x0002200A

#define GLFW_CONTEXT_CREATION_API   0x0002200B

#define GLFW_SCALE_TO_MONITOR       0x0002200C

#define GLFW_COCOA_RETINA_FRAMEBUFFER 0x00023001

#define GLFW_COCOA_FRAME_NAME         0x00023002

#define GLFW_COCOA_GRAPHICS_SWITCHING 0x00023003

#define GLFW_X11_CLASS_NAME         0x00024001

#define GLFW_X11_INSTANCE_NAME      0x00024002

#define GLFW_NO_API                          0
#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_LOCK_KEY_MODS          0x00033004
#define GLFW_RAW_MOUSE_MOTION       0x00033005

#define GLFW_CURSOR_NORMAL          0x00034001
#define GLFW_CURSOR_HIDDEN          0x00034002
#define GLFW_CURSOR_DISABLED        0x00034003

#define GLFW_ANY_RELEASE_BEHAVIOR            0
#define GLFW_RELEASE_BEHAVIOR_FLUSH 0x00035001
#define GLFW_RELEASE_BEHAVIOR_NONE  0x00035002

#define GLFW_NATIVE_CONTEXT_API     0x00036001
#define GLFW_EGL_CONTEXT_API        0x00036002
#define GLFW_OSMESA_CONTEXT_API     0x00036003

#define GLFW_ARROW_CURSOR           0x00036001

#define GLFW_IBEAM_CURSOR           0x00036002

#define GLFW_CROSSHAIR_CURSOR       0x00036003

#define GLFW_HAND_CURSOR            0x00036004

#define GLFW_HRESIZE_CURSOR         0x00036005

#define GLFW_VRESIZE_CURSOR         0x00036006

#define GLFW_CONNECTED              0x00040001
#define GLFW_DISCONNECTED           0x00040002

#define GLFW_JOYSTICK_HAT_BUTTONS   0x00050001

#define GLFW_COCOA_CHDIR_RESOURCES  0x00051001

#define GLFW_COCOA_MENUBAR          0x00051002

#define GLFW_DONT_CARE              -1


/*************************************************************************
 * GLFW API types
 *************************************************************************/

typedef void (*GLFWglproc)(void);

typedef void (*GLFWvkproc)(void);

typedef struct GLFWmonitor GLFWmonitor;

typedef struct GLFWwindow GLFWwindow;

typedef struct GLFWcursor GLFWcursor;

typedef void (* GLFWerrorfun)(int error_code, const char* description);

typedef void (* GLFWwindowposfun)(GLFWwindow* window, int xpos, int ypos);

typedef void (* GLFWwindowsizefun)(GLFWwindow* window, int width, int height);

typedef void (* GLFWwindowclosefun)(GLFWwindow* window);

typedef void (* GLFWwindowrefreshfun)(GLFWwindow* window);

typedef void (* GLFWwindowfocusfun)(GLFWwindow* window, int focused);

typedef void (* GLFWwindowiconifyfun)(GLFWwindow* window, int iconified);

typedef void (* GLFWwindowmaximizefun)(GLFWwindow* window, int maximized);

typedef void (* GLFWframebuffersizefun)(GLFWwindow* window, int width, int height);

typedef void (* GLFWwindowcontentscalefun)(GLFWwindow* window, float xscale, float yscale);

typedef void (* GLFWmousebuttonfun)(GLFWwindow* window, int button, int action, int mods);

typedef void (* GLFWcursorposfun)(GLFWwindow* window, double xpos, double ypos);

typedef void (* GLFWcursorenterfun)(GLFWwindow* window, int entered);

typedef void (* GLFWscrollfun)(GLFWwindow* window, double xoffset, double yoffset);

typedef void (* GLFWkeyfun)(GLFWwindow* window, int key, int scancode, int action, int mods);

typedef void (* GLFWcharfun)(GLFWwindow* window, unsigned int codepoint);

typedef void (* GLFWcharmodsfun)(GLFWwindow* window, unsigned int codepoint, int mods);

typedef void (* GLFWdropfun)(GLFWwindow* window, int path_count, const char* paths[]);

typedef void (* GLFWmonitorfun)(GLFWmonitor* monitor, int event);

typedef void (* GLFWjoystickfun)(int jid, int event);

typedef struct GLFWvidmode
{
    int width;
    int height;
    int redBits;
    int greenBits;
    int blueBits;
    int refreshRate;
} GLFWvidmode;

typedef struct GLFWgammaramp
{
    unsigned short* red;
    unsigned short* green;
    unsigned short* blue;
    unsigned int size;
} GLFWgammaramp;

typedef struct GLFWimage
{
    int width;
    int height;
    unsigned char* pixels;
} GLFWimage;

typedef struct GLFWgamepadstate
{
    unsigned char buttons[15];
    float axes[6];
} GLFWgamepadstate;


/*************************************************************************
 * GLFW API functions
 *************************************************************************/

GLFWAPI int glfwInit(void);

GLFWAPI void glfwTerminate(void);

GLFWAPI void glfwInitHint(int hint, int value);

GLFWAPI void glfwGetVersion(int* major, int* minor, int* rev);

GLFWAPI const char* glfwGetVersionString(void);

GLFWAPI int glfwGetError(const char** description);

GLFWAPI GLFWerrorfun glfwSetErrorCallback(GLFWerrorfun callback);

GLFWAPI GLFWmonitor** glfwGetMonitors(int* count);

GLFWAPI GLFWmonitor* glfwGetPrimaryMonitor(void);

GLFWAPI void glfwGetMonitorPos(GLFWmonitor* monitor, int* xpos, int* ypos);

GLFWAPI void glfwGetMonitorWorkarea(GLFWmonitor* monitor, int* xpos, int* ypos, int* width, int* height);

GLFWAPI void glfwGetMonitorPhysicalSize(GLFWmonitor* monitor, int* widthMM, int* heightMM);

GLFWAPI void glfwGetMonitorContentScale(GLFWmonitor* monitor, float* xscale, float* yscale);

GLFWAPI const char* glfwGetMonitorName(GLFWmonitor* monitor);

GLFWAPI void glfwSetMonitorUserPointer(GLFWmonitor* monitor, void* pointer);

GLFWAPI void* glfwGetMonitorUserPointer(GLFWmonitor* monitor);

GLFWAPI GLFWmonitorfun glfwSetMonitorCallback(GLFWmonitorfun callback);

GLFWAPI const GLFWvidmode* glfwGetVideoModes(GLFWmonitor* monitor, int* count);

GLFWAPI const GLFWvidmode* glfwGetVideoMode(GLFWmonitor* monitor);

GLFWAPI void glfwSetGamma(GLFWmonitor* monitor, float gamma);

GLFWAPI const GLFWgammaramp* glfwGetGammaRamp(GLFWmonitor* monitor);

GLFWAPI void glfwSetGammaRamp(GLFWmonitor* monitor, const GLFWgammaramp* ramp);

GLFWAPI void glfwDefaultWindowHints(void);

GLFWAPI void glfwWindowHint(int hint, int value);

GLFWAPI void glfwWindowHintString(int hint, const char* value);

GLFWAPI GLFWwindow* glfwCreateWindow(int width, int height, const char* title, GLFWmonitor* monitor, GLFWwindow* share);

GLFWAPI void glfwDestroyWindow(GLFWwindow* window);

GLFWAPI int glfwWindowShouldClose(GLFWwindow* window);

GLFWAPI void glfwSetWindowShouldClose(GLFWwindow* window, int value);

GLFWAPI void glfwSetWindowTitle(GLFWwindow* window, const char* title);

GLFWAPI void glfwSetWindowIcon(GLFWwindow* window, int count, const GLFWimage* images);

GLFWAPI void glfwGetWindowPos(GLFWwindow* window, int* xpos, int* ypos);

GLFWAPI void glfwSetWindowPos(GLFWwindow* window, int xpos, int ypos);

GLFWAPI void glfwGetWindowSize(GLFWwindow* window, int* width, int* height);

GLFWAPI void glfwSetWindowSizeLimits(GLFWwindow* window, int minwidth, int minheight, int maxwidth, int maxheight);

GLFWAPI void glfwSetWindowAspectRatio(GLFWwindow* window, int numer, int denom);

GLFWAPI void glfwSetWindowSize(GLFWwindow* window, int width, int height);

GLFWAPI void glfwGetFramebufferSize(GLFWwindow* window, int* width, int* height);

GLFWAPI void glfwGetWindowFrameSize(GLFWwindow* window, int* left, int* top, int* right, int* bottom);

GLFWAPI void glfwGetWindowContentScale(GLFWwindow* window, float* xscale, float* yscale);

GLFWAPI float glfwGetWindowOpacity(GLFWwindow* window);

GLFWAPI void glfwSetWindowOpacity(GLFWwindow* window, float opacity);

GLFWAPI void glfwIconifyWindow(GLFWwindow* window);

GLFWAPI void glfwRestoreWindow(GLFWwindow* window);

GLFWAPI void glfwMaximizeWindow(GLFWwindow* window);

GLFWAPI void glfwShowWindow(GLFWwindow* window);

GLFWAPI void glfwHideWindow(GLFWwindow* window);

GLFWAPI void glfwFocusWindow(GLFWwindow* window);

GLFWAPI void glfwRequestWindowAttention(GLFWwindow* window);

GLFWAPI GLFWmonitor* glfwGetWindowMonitor(GLFWwindow* window);

GLFWAPI void glfwSetWindowMonitor(GLFWwindow* window, GLFWmonitor* monitor, int xpos, int ypos, int width, int height, int refreshRate);

GLFWAPI int glfwGetWindowAttrib(GLFWwindow* window, int attrib);

GLFWAPI void glfwSetWindowAttrib(GLFWwindow* window, int attrib, int value);

GLFWAPI void glfwSetWindowUserPointer(GLFWwindow* window, void* pointer);

GLFWAPI void* glfwGetWindowUserPointer(GLFWwindow* window);

GLFWAPI GLFWwindowposfun glfwSetWindowPosCallback(GLFWwindow* window, GLFWwindowposfun callback);

GLFWAPI GLFWwindowsizefun glfwSetWindowSizeCallback(GLFWwindow* window, GLFWwindowsizefun callback);

GLFWAPI GLFWwindowclosefun glfwSetWindowCloseCallback(GLFWwindow* window, GLFWwindowclosefun callback);

GLFWAPI GLFWwindowrefreshfun glfwSetWindowRefreshCallback(GLFWwindow* window, GLFWwindowrefreshfun callback);

GLFWAPI GLFWwindowfocusfun glfwSetWindowFocusCallback(GLFWwindow* window, GLFWwindowfocusfun callback);

GLFWAPI GLFWwindowiconifyfun glfwSetWindowIconifyCallback(GLFWwindow* window, GLFWwindowiconifyfun callback);

GLFWAPI GLFWwindowmaximizefun glfwSetWindowMaximizeCallback(GLFWwindow* window, GLFWwindowmaximizefun callback);

GLFWAPI GLFWframebuffersizefun glfwSetFramebufferSizeCallback(GLFWwindow* window, GLFWframebuffersizefun callback);

GLFWAPI GLFWwindowcontentscalefun glfwSetWindowContentScaleCallback(GLFWwindow* window, GLFWwindowcontentscalefun callback);

GLFWAPI void glfwPollEvents(void);

GLFWAPI void glfwWaitEvents(void);

GLFWAPI void glfwWaitEventsTimeout(double timeout);

GLFWAPI void glfwPostEmptyEvent(void);

GLFWAPI int glfwGetInputMode(GLFWwindow* window, int mode);

GLFWAPI void glfwSetInputMode(GLFWwindow* window, int mode, int value);

GLFWAPI int glfwRawMouseMotionSupported(void);

GLFWAPI const char* glfwGetKeyName(int key, int scancode);

GLFWAPI int glfwGetKeyScancode(int key);

GLFWAPI int glfwGetKey(GLFWwindow* window, int key);

GLFWAPI int glfwGetMouseButton(GLFWwindow* window, int button);

GLFWAPI void glfwGetCursorPos(GLFWwindow* window, double* xpos, double* ypos);

GLFWAPI void glfwSetCursorPos(GLFWwindow* window, double xpos, double ypos);

GLFWAPI GLFWcursor* glfwCreateCursor(const GLFWimage* image, int xhot, int yhot);

GLFWAPI GLFWcursor* glfwCreateStandardCursor(int shape);

GLFWAPI void glfwDestroyCursor(GLFWcursor* cursor);

GLFWAPI void glfwSetCursor(GLFWwindow* window, GLFWcursor* cursor);

GLFWAPI GLFWkeyfun glfwSetKeyCallback(GLFWwindow* window, GLFWkeyfun callback);

GLFWAPI GLFWcharfun glfwSetCharCallback(GLFWwindow* window, GLFWcharfun callback);

GLFWAPI GLFWcharmodsfun glfwSetCharModsCallback(GLFWwindow* window, GLFWcharmodsfun callback);

GLFWAPI GLFWmousebuttonfun glfwSetMouseButtonCallback(GLFWwindow* window, GLFWmousebuttonfun callback);

GLFWAPI GLFWcursorposfun glfwSetCursorPosCallback(GLFWwindow* window, GLFWcursorposfun callback);

GLFWAPI GLFWcursorenterfun glfwSetCursorEnterCallback(GLFWwindow* window, GLFWcursorenterfun callback);

GLFWAPI GLFWscrollfun glfwSetScrollCallback(GLFWwindow* window, GLFWscrollfun callback);

GLFWAPI GLFWdropfun glfwSetDropCallback(GLFWwindow* window, GLFWdropfun callback);

GLFWAPI int glfwJoystickPresent(int jid);

GLFWAPI const float* glfwGetJoystickAxes(int jid, int* count);

GLFWAPI const unsigned char* glfwGetJoystickButtons(int jid, int* count);

GLFWAPI const unsigned char* glfwGetJoystickHats(int jid, int* count);

GLFWAPI const char* glfwGetJoystickName(int jid);

GLFWAPI const char* glfwGetJoystickGUID(int jid);

GLFWAPI void glfwSetJoystickUserPointer(int jid, void* pointer);

GLFWAPI void* glfwGetJoystickUserPointer(int jid);

GLFWAPI int glfwJoystickIsGamepad(int jid);

GLFWAPI GLFWjoystickfun glfwSetJoystickCallback(GLFWjoystickfun callback);

GLFWAPI int glfwUpdateGamepadMappings(const char* string);

GLFWAPI const char* glfwGetGamepadName(int jid);

GLFWAPI int glfwGetGamepadState(int jid, GLFWgamepadstate* state);

GLFWAPI void glfwSetClipboardString(GLFWwindow* window, const char* string);

GLFWAPI const char* glfwGetClipboardString(GLFWwindow* window);

GLFWAPI double glfwGetTime(void);

GLFWAPI void glfwSetTime(double time);

GLFWAPI uint64_t glfwGetTimerValue(void);

GLFWAPI uint64_t glfwGetTimerFrequency(void);

GLFWAPI void glfwMakeContextCurrent(GLFWwindow* window);

GLFWAPI GLFWwindow* glfwGetCurrentContext(void);

GLFWAPI void glfwSwapBuffers(GLFWwindow* window);

GLFWAPI void glfwSwapInterval(int interval);

GLFWAPI int glfwExtensionSupported(const char* extension);

GLFWAPI GLFWglproc glfwGetProcAddress(const char* procname);

GLFWAPI int glfwVulkanSupported(void);

GLFWAPI const char** glfwGetRequiredInstanceExtensions(uint32_t* count);

#if defined(VK_VERSION_1_0)

GLFWAPI GLFWvkproc glfwGetInstanceProcAddress(VkInstance instance, const char* procname);

GLFWAPI int glfwGetPhysicalDevicePresentationSupport(VkInstance instance, VkPhysicalDevice device, uint32_t queuefamily);

GLFWAPI VkResult glfwCreateWindowSurface(VkInstance instance, GLFWwindow* window, const VkAllocationCallbacks* allocator, VkSurfaceKHR* surface);

#endif /*VK_VERSION_1_0*/


/*************************************************************************
 * 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

/* Some OpenGL related headers need GLAPIENTRY, but it is unconditionally
 * defined by some gl.h variants (OpenBSD) so define it after if needed.
 */
#ifndef GLAPIENTRY
 #define GLAPIENTRY APIENTRY
 #define GLFW_GLAPIENTRY_DEFINED
#endif

/* -------------------- END SYSTEM/COMPILER SPECIFIC --------------------- */


#ifdef __cplusplus
}
#endif

#endif /* _glfw3_h_ */