70 lines
2.5 KiB
C
70 lines
2.5 KiB
C
|
//========================================================================
|
||
|
|
// GLFW - An OpenGL framework
|
||
|
|
// File: x11_glext.c
|
||
|
|
// Platform: X11 (Unix)
|
||
|
|
// API version: 2.6
|
||
|
|
// WWW: http://glfw.sourceforge.net
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
// Copyright (c) 2002-2006 Camilla Berglund
|
||
|
|
//
|
||
|
|
// 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.
|
||
|
|
//
|
||
|
|
//========================================================================
|
||
|
|
|
||
|
|
#include "internal.h"
|
||
|
|
|
||
|
|
|
||
|
|
//************************************************************************
|
||
|
|
//**** Platform implementation functions ****
|
||
|
|
//************************************************************************
|
||
|
|
|
||
|
|
//========================================================================
|
||
|
|
// Check if an OpenGL extension is available at runtime
|
||
|
|
//========================================================================
|
||
|
|
|
||
|
|
int _glfwPlatformExtensionSupported( const char *extension )
|
||
|
|
{
|
||
|
|
const GLubyte *extensions;
|
||
|
|
|
||
|
|
// Get list of GLX extensions
|
||
|
|
extensions = (const GLubyte*) glXQueryExtensionsString( _glfwLibrary.Dpy,
|
||
|
|
_glfwWin.Scrn );
|
||
|
|
if( extensions != NULL )
|
||
|
|
{
|
||
|
|
if( _glfwStringInExtensionString( extension, extensions ) )
|
||
|
|
{
|
||
|
|
return GL_TRUE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return GL_FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//========================================================================
|
||
|
|
// Get the function pointer to an OpenGL function
|
||
|
|
//========================================================================
|
||
|
|
|
||
|
|
void * _glfwPlatformGetProcAddress( const char *procname )
|
||
|
|
{
|
||
|
|
return (void *) _glfw_glXGetProcAddress( (const GLubyte *) procname );
|
||
|
|
}
|
||
|
|
|