mirror of
https://github.com/hajimehoshi/ebiten.git
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593 lines
21 KiB
C
593 lines
21 KiB
C
// SPDX-License-Identifier: Apache-2.0
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// SPDX-FileCopyrightText: 2002-2006 Marcus Geelnard
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// SPDX-FileCopyrightText: 2006-2019 Camilla Löwy <elmindreda@glfw.org>
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// SPDX-FileCopyrightText: 2023 The Ebitengine Authors
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//go:build darwin || freebsd || linux || netbsd || openbsd
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#pragma once
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#if defined(_GLFW_USE_CONFIG_H)
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#include "glfw_config.h"
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#endif
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#if defined(GLFW_INCLUDE_GLCOREARB) || \
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defined(GLFW_INCLUDE_ES1) || \
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defined(GLFW_INCLUDE_ES2) || \
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defined(GLFW_INCLUDE_ES3) || \
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defined(GLFW_INCLUDE_ES31) || \
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defined(GLFW_INCLUDE_ES32) || \
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defined(GLFW_INCLUDE_NONE) || \
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defined(GLFW_INCLUDE_GLEXT) || \
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defined(GLFW_INCLUDE_GLU) || \
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defined(GLFW_DLL)
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#error "You must not define any header option macros when compiling GLFW"
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#endif
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#define GLFW_INCLUDE_NONE
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#include "glfw3.h"
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#define _GLFW_INSERT_FIRST 0
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#define _GLFW_INSERT_LAST 1
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#define _GLFW_POLL_PRESENCE 0
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#define _GLFW_POLL_AXES 1
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#define _GLFW_POLL_BUTTONS 2
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#define _GLFW_POLL_ALL (_GLFW_POLL_AXES | _GLFW_POLL_BUTTONS)
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#define _GLFW_MESSAGE_SIZE 1024
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typedef int GLFWbool;
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typedef struct _GLFWerror _GLFWerror;
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typedef struct _GLFWinitconfig _GLFWinitconfig;
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typedef struct _GLFWwndconfig _GLFWwndconfig;
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typedef struct _GLFWctxconfig _GLFWctxconfig;
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typedef struct _GLFWfbconfig _GLFWfbconfig;
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typedef struct _GLFWcontext _GLFWcontext;
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typedef struct _GLFWwindow _GLFWwindow;
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typedef struct _GLFWlibrary _GLFWlibrary;
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typedef struct _GLFWmonitor _GLFWmonitor;
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typedef struct _GLFWcursor _GLFWcursor;
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typedef struct _GLFWmapelement _GLFWmapelement;
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typedef struct _GLFWtls _GLFWtls;
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typedef struct _GLFWmutex _GLFWmutex;
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typedef void (* _GLFWmakecontextcurrentfun)(_GLFWwindow*);
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typedef void (* _GLFWswapbuffersfun)(_GLFWwindow*);
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typedef void (* _GLFWswapintervalfun)(int);
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typedef int (* _GLFWextensionsupportedfun)(const char*);
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typedef GLFWglproc (* _GLFWgetprocaddressfun)(const char*);
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typedef void (* _GLFWdestroycontextfun)(_GLFWwindow*);
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#define GL_VERSION 0x1f02
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#define GL_NONE 0
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#define GL_COLOR_BUFFER_BIT 0x00004000
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#define GL_UNSIGNED_BYTE 0x1401
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#define GL_EXTENSIONS 0x1f03
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#define GL_NUM_EXTENSIONS 0x821d
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#define GL_CONTEXT_FLAGS 0x821e
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#define GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT 0x00000001
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#define GL_CONTEXT_FLAG_DEBUG_BIT 0x00000002
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#define GL_CONTEXT_PROFILE_MASK 0x9126
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#define GL_CONTEXT_COMPATIBILITY_PROFILE_BIT 0x00000002
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#define GL_CONTEXT_CORE_PROFILE_BIT 0x00000001
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#define GL_RESET_NOTIFICATION_STRATEGY_ARB 0x8256
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#define GL_LOSE_CONTEXT_ON_RESET_ARB 0x8252
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#define GL_NO_RESET_NOTIFICATION_ARB 0x8261
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#define GL_CONTEXT_RELEASE_BEHAVIOR 0x82fb
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#define GL_CONTEXT_RELEASE_BEHAVIOR_FLUSH 0x82fc
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#define GL_CONTEXT_FLAG_NO_ERROR_BIT_KHR 0x00000008
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typedef int GLint;
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typedef unsigned int GLuint;
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typedef unsigned int GLenum;
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typedef unsigned int GLbitfield;
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typedef unsigned char GLubyte;
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typedef void (APIENTRY * PFNGLCLEARPROC)(GLbitfield);
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typedef const GLubyte* (APIENTRY * PFNGLGETSTRINGPROC)(GLenum);
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typedef void (APIENTRY * PFNGLGETINTEGERVPROC)(GLenum,GLint*);
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typedef const GLubyte* (APIENTRY * PFNGLGETSTRINGIPROC)(GLenum,GLuint);
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#if defined(_GLFW_COCOA)
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#include "cocoa_platform_darwin.h"
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#elif defined(_GLFW_X11)
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#include "x11_platform_linbsd.h"
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#else
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#error "No supported window creation API selected"
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#endif
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// Constructs a version number string from the public header macros
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#define _GLFW_CONCAT_VERSION(m, n, r) #m "." #n "." #r
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#define _GLFW_MAKE_VERSION(m, n, r) _GLFW_CONCAT_VERSION(m, n, r)
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#define _GLFW_VERSION_NUMBER _GLFW_MAKE_VERSION(GLFW_VERSION_MAJOR, \
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GLFW_VERSION_MINOR, \
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GLFW_VERSION_REVISION)
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// Checks for whether the library has been initialized
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#define _GLFW_REQUIRE_INIT() \
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if (!_glfw.initialized) \
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{ \
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_glfwInputError(GLFW_NOT_INITIALIZED, NULL); \
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return; \
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}
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#define _GLFW_REQUIRE_INIT_OR_RETURN(x) \
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if (!_glfw.initialized) \
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{ \
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_glfwInputError(GLFW_NOT_INITIALIZED, NULL); \
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return x; \
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}
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// Swaps the provided pointers
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#define _GLFW_SWAP_POINTERS(x, y) \
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{ \
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void* t; \
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t = x; \
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x = y; \
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y = t; \
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}
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// Per-thread error structure
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//
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struct _GLFWerror
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{
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_GLFWerror* next;
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int code;
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char description[_GLFW_MESSAGE_SIZE];
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};
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// Initialization configuration
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//
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// Parameters relating to the initialization of the library
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//
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struct _GLFWinitconfig
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{
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struct {
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GLFWbool menubar;
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GLFWbool chdir;
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} ns;
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};
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// Window configuration
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//
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// Parameters relating to the creation of the window but not directly related
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// to the framebuffer. This is used to pass window creation parameters from
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// shared code to the platform API.
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//
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struct _GLFWwndconfig
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{
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int width;
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int height;
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const char* title;
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GLFWbool resizable;
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GLFWbool visible;
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GLFWbool decorated;
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GLFWbool focused;
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GLFWbool autoIconify;
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GLFWbool floating;
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GLFWbool maximized;
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GLFWbool centerCursor;
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GLFWbool focusOnShow;
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GLFWbool scaleToMonitor;
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struct {
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GLFWbool retina;
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char frameName[256];
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} ns;
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struct {
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char className[256];
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char instanceName[256];
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} x11;
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};
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// Context configuration
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//
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// Parameters relating to the creation of the context but not directly related
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// to the framebuffer. This is used to pass context creation parameters from
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// shared code to the platform API.
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//
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struct _GLFWctxconfig
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{
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int client;
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int source;
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int major;
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int minor;
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GLFWbool forward;
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GLFWbool debug;
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GLFWbool noerror;
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int profile;
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int robustness;
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int release;
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_GLFWwindow* share;
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struct {
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GLFWbool offline;
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} nsgl;
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};
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// Framebuffer configuration
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//
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// This describes buffers and their sizes. It also contains
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// a platform-specific ID used to map back to the backend API object.
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//
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// It is used to pass framebuffer parameters from shared code to the platform
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// API and also to enumerate and select available framebuffer configs.
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//
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struct _GLFWfbconfig
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{
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int redBits;
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int greenBits;
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int blueBits;
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int alphaBits;
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int depthBits;
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int stencilBits;
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int accumRedBits;
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int accumGreenBits;
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int accumBlueBits;
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int accumAlphaBits;
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int auxBuffers;
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GLFWbool stereo;
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int samples;
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GLFWbool sRGB;
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GLFWbool doublebuffer;
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GLFWbool transparent;
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uintptr_t handle;
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};
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// Context structure
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//
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struct _GLFWcontext
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{
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int client;
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int source;
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int major, minor, revision;
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GLFWbool forward, debug, noerror;
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int profile;
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int robustness;
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int release;
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PFNGLGETSTRINGIPROC GetStringi;
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PFNGLGETINTEGERVPROC GetIntegerv;
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PFNGLGETSTRINGPROC GetString;
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_GLFWmakecontextcurrentfun makeCurrent;
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_GLFWswapbuffersfun swapBuffers;
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_GLFWswapintervalfun swapInterval;
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_GLFWextensionsupportedfun extensionSupported;
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_GLFWgetprocaddressfun getProcAddress;
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_GLFWdestroycontextfun destroy;
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// This is defined in the context API's context.h
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_GLFW_PLATFORM_CONTEXT_STATE;
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// This is defined in egl_context.h
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_GLFW_EGL_CONTEXT_STATE;
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// This is defined in osmesa_context.h
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_GLFW_OSMESA_CONTEXT_STATE;
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};
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// Window and context structure
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//
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struct _GLFWwindow
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{
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struct _GLFWwindow* next;
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// Window settings and state
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GLFWbool resizable;
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GLFWbool decorated;
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GLFWbool autoIconify;
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GLFWbool floating;
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GLFWbool focusOnShow;
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GLFWbool shouldClose;
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void* userPointer;
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GLFWbool doublebuffer;
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GLFWvidmode videoMode;
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_GLFWmonitor* monitor;
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_GLFWcursor* cursor;
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int minwidth, minheight;
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int maxwidth, maxheight;
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int numer, denom;
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GLFWbool stickyKeys;
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GLFWbool stickyMouseButtons;
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GLFWbool lockKeyMods;
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int cursorMode;
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char mouseButtons[GLFW_MOUSE_BUTTON_LAST + 1];
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char keys[GLFW_KEY_LAST + 1];
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// Virtual cursor position when cursor is disabled
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double virtualCursorPosX, virtualCursorPosY;
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GLFWbool rawMouseMotion;
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_GLFWcontext context;
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struct {
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GLFWwindowposfun pos;
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GLFWwindowsizefun size;
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GLFWwindowclosefun close;
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GLFWwindowrefreshfun refresh;
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GLFWwindowfocusfun focus;
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GLFWwindowiconifyfun iconify;
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GLFWwindowmaximizefun maximize;
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GLFWframebuffersizefun fbsize;
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GLFWwindowcontentscalefun scale;
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GLFWmousebuttonfun mouseButton;
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GLFWcursorposfun cursorPos;
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GLFWcursorenterfun cursorEnter;
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GLFWscrollfun scroll;
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GLFWkeyfun key;
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GLFWcharfun character;
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GLFWcharmodsfun charmods;
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GLFWdropfun drop;
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} callbacks;
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// This is defined in the window API's platform.h
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_GLFW_PLATFORM_WINDOW_STATE;
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};
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// Monitor structure
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//
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struct _GLFWmonitor
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{
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char name[128];
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void* userPointer;
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// Physical dimensions in millimeters.
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int widthMM, heightMM;
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// The window whose video mode is current on this monitor
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_GLFWwindow* window;
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GLFWvidmode* modes;
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int modeCount;
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GLFWvidmode currentMode;
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GLFWgammaramp originalRamp;
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GLFWgammaramp currentRamp;
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// This is defined in the window API's platform.h
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_GLFW_PLATFORM_MONITOR_STATE;
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};
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// Cursor structure
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//
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struct _GLFWcursor
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{
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_GLFWcursor* next;
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// This is defined in the window API's platform.h
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_GLFW_PLATFORM_CURSOR_STATE;
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};
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// Thread local storage structure
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//
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struct _GLFWtls
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{
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// This is defined in the platform's thread.h
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_GLFW_PLATFORM_TLS_STATE;
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};
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// Mutex structure
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//
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struct _GLFWmutex
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{
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// This is defined in the platform's thread.h
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_GLFW_PLATFORM_MUTEX_STATE;
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};
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// Library global data
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//
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struct _GLFWlibrary
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{
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GLFWbool initialized;
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struct {
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_GLFWinitconfig init;
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_GLFWfbconfig framebuffer;
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_GLFWwndconfig window;
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_GLFWctxconfig context;
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int refreshRate;
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} hints;
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_GLFWerror* errorListHead;
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_GLFWcursor* cursorListHead;
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_GLFWwindow* windowListHead;
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_GLFWmonitor** monitors;
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int monitorCount;
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_GLFWtls errorSlot;
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_GLFWtls contextSlot;
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_GLFWmutex errorLock;
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struct {
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uint64_t offset;
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// This is defined in the platform's time.h
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_GLFW_PLATFORM_LIBRARY_TIMER_STATE;
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} timer;
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struct {
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GLFWmonitorfun monitor;
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} callbacks;
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// This is defined in the window API's platform.h
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_GLFW_PLATFORM_LIBRARY_WINDOW_STATE;
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// This is defined in the context API's context.h
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_GLFW_PLATFORM_LIBRARY_CONTEXT_STATE;
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// This is defined in egl_context.h
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_GLFW_EGL_LIBRARY_CONTEXT_STATE;
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// This is defined in osmesa_context.h
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_GLFW_OSMESA_LIBRARY_CONTEXT_STATE;
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};
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// Global state shared between compilation units of GLFW
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//
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extern _GLFWlibrary _glfw;
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//////////////////////////////////////////////////////////////////////////
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////// GLFW platform API //////
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//////////////////////////////////////////////////////////////////////////
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int _glfwPlatformInit(void);
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void _glfwPlatformTerminate(void);
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const char* _glfwPlatformGetVersionString(void);
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void _glfwPlatformGetCursorPos(_GLFWwindow* window, double* xpos, double* ypos);
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void _glfwPlatformSetCursorPos(_GLFWwindow* window, double xpos, double ypos);
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void _glfwPlatformSetCursorMode(_GLFWwindow* window, int mode);
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void _glfwPlatformSetRawMouseMotion(_GLFWwindow *window, GLFWbool enabled);
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GLFWbool _glfwPlatformRawMouseMotionSupported(void);
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int _glfwPlatformCreateCursor(_GLFWcursor* cursor,
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const GLFWimage* image, int xhot, int yhot);
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int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, int shape);
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void _glfwPlatformDestroyCursor(_GLFWcursor* cursor);
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void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor);
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const char* _glfwPlatformGetScancodeName(int scancode);
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int _glfwPlatformGetKeyScancode(int key);
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void _glfwPlatformFreeMonitor(_GLFWmonitor* monitor);
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void _glfwPlatformGetMonitorPos(_GLFWmonitor* monitor, int* xpos, int* ypos);
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void _glfwPlatformGetMonitorContentScale(_GLFWmonitor* monitor,
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float* xscale, float* yscale);
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void _glfwPlatformGetMonitorWorkarea(_GLFWmonitor* monitor, int* xpos, int* ypos, int *width, int *height);
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GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* count);
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void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode);
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GLFWbool _glfwPlatformGetGammaRamp(_GLFWmonitor* monitor, GLFWgammaramp* ramp);
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void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp);
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void _glfwPlatformSetClipboardString(const char* string);
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const char* _glfwPlatformGetClipboardString(void);
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uint64_t _glfwPlatformGetTimerValue(void);
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uint64_t _glfwPlatformGetTimerFrequency(void);
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int _glfwPlatformCreateWindow(_GLFWwindow* window,
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const _GLFWwndconfig* wndconfig,
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const _GLFWctxconfig* ctxconfig,
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const _GLFWfbconfig* fbconfig);
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void _glfwPlatformDestroyWindow(_GLFWwindow* window);
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void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title);
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void _glfwPlatformSetWindowIcon(_GLFWwindow* window,
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int count, const GLFWimage* images);
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void _glfwPlatformGetWindowPos(_GLFWwindow* window, int* xpos, int* ypos);
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void _glfwPlatformSetWindowPos(_GLFWwindow* window, int xpos, int ypos);
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void _glfwPlatformGetWindowSize(_GLFWwindow* window, int* width, int* height);
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void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height);
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void _glfwPlatformSetWindowSizeLimits(_GLFWwindow* window,
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int minwidth, int minheight,
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int maxwidth, int maxheight);
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void _glfwPlatformSetWindowAspectRatio(_GLFWwindow* window, int numer, int denom);
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void _glfwPlatformGetFramebufferSize(_GLFWwindow* window, int* width, int* height);
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void _glfwPlatformGetWindowFrameSize(_GLFWwindow* window,
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int* left, int* top,
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int* right, int* bottom);
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void _glfwPlatformGetWindowContentScale(_GLFWwindow* window,
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float* xscale, float* yscale);
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void _glfwPlatformIconifyWindow(_GLFWwindow* window);
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void _glfwPlatformRestoreWindow(_GLFWwindow* window);
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void _glfwPlatformMaximizeWindow(_GLFWwindow* window);
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void _glfwPlatformShowWindow(_GLFWwindow* window);
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void _glfwPlatformHideWindow(_GLFWwindow* window);
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void _glfwPlatformRequestWindowAttention(_GLFWwindow* window);
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void _glfwPlatformFocusWindow(_GLFWwindow* window);
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void _glfwPlatformSetWindowMonitor(_GLFWwindow* window, _GLFWmonitor* monitor,
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int xpos, int ypos, int width, int height,
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int refreshRate);
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int _glfwPlatformWindowFocused(_GLFWwindow* window);
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int _glfwPlatformWindowIconified(_GLFWwindow* window);
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int _glfwPlatformWindowVisible(_GLFWwindow* window);
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int _glfwPlatformWindowMaximized(_GLFWwindow* window);
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int _glfwPlatformWindowHovered(_GLFWwindow* window);
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int _glfwPlatformFramebufferTransparent(_GLFWwindow* window);
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float _glfwPlatformGetWindowOpacity(_GLFWwindow* window);
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void _glfwPlatformSetWindowResizable(_GLFWwindow* window, GLFWbool enabled);
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void _glfwPlatformSetWindowDecorated(_GLFWwindow* window, GLFWbool enabled);
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void _glfwPlatformSetWindowFloating(_GLFWwindow* window, GLFWbool enabled);
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void _glfwPlatformSetWindowOpacity(_GLFWwindow* window, float opacity);
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void _glfwPlatformPollEvents(void);
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void _glfwPlatformWaitEvents(void);
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void _glfwPlatformWaitEventsTimeout(double timeout);
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void _glfwPlatformPostEmptyEvent(void);
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GLFWbool _glfwPlatformCreateTls(_GLFWtls* tls);
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void _glfwPlatformDestroyTls(_GLFWtls* tls);
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void* _glfwPlatformGetTls(_GLFWtls* tls);
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void _glfwPlatformSetTls(_GLFWtls* tls, void* value);
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GLFWbool _glfwPlatformCreateMutex(_GLFWmutex* mutex);
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void _glfwPlatformDestroyMutex(_GLFWmutex* mutex);
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void _glfwPlatformLockMutex(_GLFWmutex* mutex);
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void _glfwPlatformUnlockMutex(_GLFWmutex* mutex);
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//////////////////////////////////////////////////////////////////////////
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////// GLFW event API //////
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//////////////////////////////////////////////////////////////////////////
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void _glfwInputWindowFocus(_GLFWwindow* window, GLFWbool focused);
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void _glfwInputWindowPos(_GLFWwindow* window, int xpos, int ypos);
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void _glfwInputWindowSize(_GLFWwindow* window, int width, int height);
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void _glfwInputFramebufferSize(_GLFWwindow* window, int width, int height);
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void _glfwInputWindowContentScale(_GLFWwindow* window,
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float xscale, float yscale);
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void _glfwInputWindowIconify(_GLFWwindow* window, GLFWbool iconified);
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void _glfwInputWindowMaximize(_GLFWwindow* window, GLFWbool maximized);
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void _glfwInputWindowDamage(_GLFWwindow* window);
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void _glfwInputWindowCloseRequest(_GLFWwindow* window);
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void _glfwInputWindowMonitor(_GLFWwindow* window, _GLFWmonitor* monitor);
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void _glfwInputKey(_GLFWwindow* window,
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int key, int scancode, int action, int mods);
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void _glfwInputChar(_GLFWwindow* window,
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uint32_t codepoint, int mods, GLFWbool plain);
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void _glfwInputScroll(_GLFWwindow* window, double xoffset, double yoffset);
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void _glfwInputMouseClick(_GLFWwindow* window, int button, int action, int mods);
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void _glfwInputCursorPos(_GLFWwindow* window, double xpos, double ypos);
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void _glfwInputCursorEnter(_GLFWwindow* window, GLFWbool entered);
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void _glfwInputDrop(_GLFWwindow* window, int count, const char** names);
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void _glfwInputMonitor(_GLFWmonitor* monitor, int action, int placement);
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void _glfwInputMonitorWindow(_GLFWmonitor* monitor, _GLFWwindow* window);
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#if defined(__GNUC__)
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void _glfwInputError(int code, const char* format, ...)
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__attribute__((format(printf, 2, 3)));
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#else
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void _glfwInputError(int code, const char* format, ...);
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#endif
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//////////////////////////////////////////////////////////////////////////
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////// GLFW internal API //////
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//////////////////////////////////////////////////////////////////////////
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GLFWbool _glfwStringInExtensionString(const char* string, const char* extensions);
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const _GLFWfbconfig* _glfwChooseFBConfig(const _GLFWfbconfig* desired,
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const _GLFWfbconfig* alternatives,
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unsigned int count);
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GLFWbool _glfwRefreshContextAttribs(_GLFWwindow* window,
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const _GLFWctxconfig* ctxconfig);
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GLFWbool _glfwIsValidContextConfig(const _GLFWctxconfig* ctxconfig);
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const GLFWvidmode* _glfwChooseVideoMode(_GLFWmonitor* monitor,
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const GLFWvidmode* desired);
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int _glfwCompareVideoModes(const GLFWvidmode* first, const GLFWvidmode* second);
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_GLFWmonitor* _glfwAllocMonitor(const char* name, int widthMM, int heightMM);
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void _glfwFreeMonitor(_GLFWmonitor* monitor);
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void _glfwAllocGammaArrays(GLFWgammaramp* ramp, unsigned int size);
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void _glfwFreeGammaArrays(GLFWgammaramp* ramp);
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void _glfwSplitBPP(int bpp, int* red, int* green, int* blue);
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void _glfwCenterCursorInContentArea(_GLFWwindow* window);
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size_t _glfwEncodeUTF8(char* s, uint32_t codepoint);
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char** _glfwParseUriList(char* text, int* count);
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char* _glfw_strdup(const char* source);
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int _glfw_min(int a, int b);
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int _glfw_max(int a, int b);
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float _glfw_fminf(float a, float b);
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float _glfw_fmaxf(float a, float b);
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