mirror of
https://github.com/glfw/glfw.git
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111 lines
3.3 KiB
C
111 lines
3.3 KiB
C
//========================================================================
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// GLFW - An OpenGL framework
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// Platform: Any
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// API version: 3.0
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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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#define _init_c_
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#include "internal.h"
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//************************************************************************
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//**** GLFW user functions ****
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//************************************************************************
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//========================================================================
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// glfwInit() - Initialize various GLFW state
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//========================================================================
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GLFWAPI int glfwInit( void )
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{
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// Is GLFW already initialized?
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if( _glfwInitialized )
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{
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return GL_TRUE;
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}
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memset( &_glfwLibrary, 0, sizeof( _glfwLibrary ) );
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memset( &_glfwWin, 0, sizeof( _glfwWin ) );
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// Window is not yet opened
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_glfwWin.opened = GL_FALSE;
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// Default enable/disable settings
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_glfwWin.sysKeysDisabled = GL_FALSE;
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// Clear window hints
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_glfwClearWindowHints();
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// Platform specific initialization
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if( !_glfwPlatformInit() )
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{
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return GL_FALSE;
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}
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// Form now on, GLFW state is valid
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_glfwInitialized = GL_TRUE;
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return GL_TRUE;
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}
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//========================================================================
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// Close window and shut down library
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//========================================================================
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GLFWAPI void glfwTerminate( void )
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{
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// Is GLFW initialized?
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if( !_glfwInitialized )
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{
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return;
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}
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// Platform specific termination
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if( !_glfwPlatformTerminate() )
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{
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return;
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}
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// GLFW is no longer initialized
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_glfwInitialized = GL_FALSE;
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}
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//========================================================================
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// glfwGetVersion() - Get GLFW version
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//========================================================================
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GLFWAPI void glfwGetVersion( int *major, int *minor, int *rev )
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{
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if( major != NULL ) *major = GLFW_VERSION_MAJOR;
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if( minor != NULL ) *minor = GLFW_VERSION_MINOR;
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if( rev != NULL ) *rev = GLFW_VERSION_REVISION;
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}
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