272 lines
9.7 KiB
C
272 lines
9.7 KiB
C
//========================================================================
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// GLFW - An OpenGL framework
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// Platform: Any
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// API version: 2.7
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// WWW: http://www.glfw.org/
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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 _internal_h_
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#define _internal_h_
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//========================================================================
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// GLFWGLOBAL is a macro that places all global variables in the init.c
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// module (all other modules reference global variables as 'extern')
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//========================================================================
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#if defined( _init_c_ )
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#define GLFWGLOBAL
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#else
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#define GLFWGLOBAL extern
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#endif
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//========================================================================
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// Input handling definitions
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//========================================================================
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// Internal key and button state/action definitions
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#define GLFW_STICK 2
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//========================================================================
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// System independent include files
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//========================================================================
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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//------------------------------------------------------------------------
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// Window opening hints (set by glfwOpenWindowHint)
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// A bucket of semi-random stuff bunched together for historical reasons
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// This is used only by the platform independent code and only to store
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// parameters passed to us by glfwOpenWindowHint
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//------------------------------------------------------------------------
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typedef struct {
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int refreshRate;
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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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int stereo;
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int windowNoResize;
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int samples;
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int glMajor;
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int glMinor;
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int glForward;
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int glDebug;
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int glProfile;
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} _GLFWhints;
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//------------------------------------------------------------------------
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// Platform specific definitions goes in platform.h (which also includes
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// glfw.h)
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//------------------------------------------------------------------------
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#if __APPLE__
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#include "cocoa/platform.h"
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#elif WIN32
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#include "win32/platform.h"
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#else
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#include "x11/platform.h"
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#endif
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//------------------------------------------------------------------------
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// Parameters relating to the creation of the context and window but not
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// directly related to the properties of the framebuffer
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// This is used to pass window and context creation parameters from the
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// platform independent code to the platform specific code
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//------------------------------------------------------------------------
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typedef struct {
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int mode;
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int refreshRate;
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int windowNoResize;
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int glMajor;
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int glMinor;
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int glForward;
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int glDebug;
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int glProfile;
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} _GLFWwndconfig;
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//------------------------------------------------------------------------
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// Framebuffer configuration descriptor, i.e. buffers and their sizes
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// Also a platform specific ID used to map back to the actual backend APIs
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// This is used to pass framebuffer parameters from the platform independent
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// code to the platform specific code, and also to enumerate and select
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// available framebuffer configurations
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//------------------------------------------------------------------------
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typedef struct {
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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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int stereo;
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int samples;
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GLFWintptr platformID;
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} _GLFWfbconfig;
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//========================================================================
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// System independent global variables (GLFW internals)
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//========================================================================
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// Flag indicating if GLFW has been initialized
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#if defined( _init_c_ )
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int _glfwInitialized = 0;
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#else
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GLFWGLOBAL int _glfwInitialized;
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#endif
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//------------------------------------------------------------------------
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// Abstract data stream (for image I/O)
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//------------------------------------------------------------------------
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typedef struct {
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FILE* file;
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void* data;
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long position;
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long size;
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} _GLFWstream;
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//========================================================================
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// Prototypes for platform specific implementation functions
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//========================================================================
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// Init/terminate
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int _glfwPlatformInit( void );
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int _glfwPlatformTerminate( void );
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// Enable/Disable
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void _glfwPlatformEnableSystemKeys( void );
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void _glfwPlatformDisableSystemKeys( void );
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// Fullscreen
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int _glfwPlatformGetVideoModes( GLFWvidmode *list, int maxcount );
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void _glfwPlatformGetDesktopMode( GLFWvidmode *mode );
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// OpenGL extensions
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int _glfwPlatformExtensionSupported( const char *extension );
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void * _glfwPlatformGetProcAddress( const char *procname );
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// Joystick
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int _glfwPlatformGetJoystickParam( int joy, int param );
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int _glfwPlatformGetJoystickPos( int joy, float *pos, int numaxes );
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int _glfwPlatformGetJoystickButtons( int joy, unsigned char *buttons, int numbuttons );
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// Threads
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GLFWthread _glfwPlatformCreateThread( GLFWthreadfun fun, void *arg );
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void _glfwPlatformDestroyThread( GLFWthread ID );
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int _glfwPlatformWaitThread( GLFWthread ID, int waitmode );
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GLFWthread _glfwPlatformGetThreadID( void );
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GLFWmutex _glfwPlatformCreateMutex( void );
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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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GLFWcond _glfwPlatformCreateCond( void );
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void _glfwPlatformDestroyCond( GLFWcond cond );
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void _glfwPlatformWaitCond( GLFWcond cond, GLFWmutex mutex, double timeout );
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void _glfwPlatformSignalCond( GLFWcond cond );
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void _glfwPlatformBroadcastCond( GLFWcond cond );
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int _glfwPlatformGetNumberOfProcessors( void );
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// Time
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double _glfwPlatformGetTime( void );
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void _glfwPlatformSetTime( double time );
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void _glfwPlatformSleep( double time );
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// Window management
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int _glfwPlatformOpenWindow( int width, int height, const _GLFWwndconfig *wndconfig, const _GLFWfbconfig *fbconfig );
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void _glfwPlatformCloseWindow( void );
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void _glfwPlatformSetWindowTitle( const char *title );
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void _glfwPlatformSetWindowSize( int width, int height );
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void _glfwPlatformSetWindowPos( int x, int y );
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void _glfwPlatformIconifyWindow( void );
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void _glfwPlatformRestoreWindow( void );
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void _glfwPlatformSwapBuffers( void );
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void _glfwPlatformSwapInterval( int interval );
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void _glfwPlatformRefreshWindowParams( void );
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void _glfwPlatformPollEvents( void );
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void _glfwPlatformWaitEvents( void );
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void _glfwPlatformHideMouseCursor( void );
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void _glfwPlatformShowMouseCursor( void );
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void _glfwPlatformSetMouseCursorPos( int x, int y );
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//========================================================================
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// Prototypes for platform independent internal functions
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//========================================================================
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// Window management (window.c)
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void _glfwClearWindowHints( void );
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// Input handling (window.c)
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void _glfwClearInput( void );
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void _glfwInputDeactivation( void );
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void _glfwInputKey( int key, int action );
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void _glfwInputChar( int character, int action );
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void _glfwInputMouseClick( int button, int action );
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// Threads (thread.c)
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_GLFWthread * _glfwGetThreadPointer( int ID );
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void _glfwAppendThread( _GLFWthread * t );
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void _glfwRemoveThread( _GLFWthread * t );
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// OpenGL extensions (glext.c)
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void _glfwParseGLVersion( int *major, int *minor, int *rev );
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int _glfwStringInExtensionString( const char *string, const GLubyte *extensions );
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void _glfwRefreshContextParams( void );
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// Abstracted data streams (stream.c)
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int _glfwOpenFileStream( _GLFWstream *stream, const char *name, const char *mode );
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int _glfwOpenBufferStream( _GLFWstream *stream, void *data, long size );
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long _glfwReadStream( _GLFWstream *stream, void *data, long size );
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long _glfwTellStream( _GLFWstream *stream );
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int _glfwSeekStream( _GLFWstream *stream, long offset, int whence );
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void _glfwCloseStream( _GLFWstream *stream );
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// Targa image I/O (tga.c)
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int _glfwReadTGA( _GLFWstream *s, GLFWimage *img, int flags );
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// Framebuffer configs
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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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#endif // _internal_h_
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