GLExtensions File Reference

#include <osg/Export>
#include <osg/GLDefines>
#include <osg/Vec2>
#include <osg/Vec3>
#include <osg/Vec4>
#include <osg/Vec2d>
#include <osg/Vec3d>
#include <osg/Vec4d>
#include <osg/Vec2i>
#include <osg/Vec3i>
#include <osg/Vec4i>
#include <osg/Vec2ui>
#include <osg/Vec3ui>
#include <osg/Vec4ui>
#include <osg/Plane>
#include <osg/MatrixTemplate>
#include <osg/Matrixd>
#include <osg/Matrixf>
#include <osg/observer_ptr>
#include <stdlib.h>
#include <string.h>
#include <string>
#include <vector>
#include <map>

Classes
class	osg::VertexAttribAlias
class	osg::GLExtensions
	Main GLExtensions class for managing OpenGL extensions per graphics context. More...

Namespaces
	osg
	The core osg library provides the basic scene graph classes such as Nodes, State and Drawables, and maths and general helper classes.

Macros
#define	OSG_GLEXTENSIONS   1

Functions
OSG_EXPORT float	osg::getGLVersionNumber ()
	Return floating-point OpenGL/GLES version number. More...
OSG_EXPORT bool	osg::isExtensionInExtensionString (const char *extension, const char *extensionString)
	Return true if "extension" is contained in "extensionString". More...
OSG_EXPORT bool	osg::isGLExtensionSupported (unsigned int contextID, const char *extension)
	Return true if OpenGL/GLES "extension" is supported. More...
OSG_EXPORT bool	osg::isGLExtensionSupported (unsigned int contextID, const char *extension1, const char *extension2)
	Return true if either OpenGL/GLES "extension1" or "extension2" is supported. More...
OSG_EXPORT bool	osg::isGLExtensionOrVersionSupported (unsigned int contextID, const char *extension, float requiredGlVersion)
	Return true if OpenGL/GLES "extension" or minimum OpenGL version number is supported. More...
OSG_EXPORT void *	osg::getGLExtensionFuncPtr (const char *funcName)
	Return the address of the specified OpenGL/GLES function. More...
OSG_EXPORT void	osg::setGLExtensionDisableString (const std::string &disableString)
	Set a list of extensions to disable for different OpenGL renderers. More...
OSG_EXPORT std::string &	osg::getGLExtensionDisableString ()
	Get the list of extensions that are disabled for various OpenGL renderers. More...
void *	osg::getGLExtensionFuncPtr (const char *funcName, const char *fallbackFuncName)
	Return the address of the specified OpenGL function. More...
void *	osg::getGLExtensionFuncPtr (const char *funcName1, const char *funcName2, const char *funcName3)
	Return the address of the specified OpenGL function. More...
template<typename T , typename R >
bool	osg::convertPointer (T &dest, R src)
template<typename T , typename R >
T	osg::convertPointerType (R src)
template<typename T >
bool	osg::setGLExtensionFuncPtr (T &t, const char *str1, bool validContext=true)
template<typename T >
bool	osg::setGLExtensionFuncPtr (T &t, const char *str1, const char *str2, bool validContext=true)
template<typename T >
bool	osg::setGLExtensionFuncPtr (T &t, const char *str1, const char *str2, const char *str3, bool validContext=true)

Macro Definition Documentation

OSG_GLEXTENSIONS

#define OSG_GLEXTENSIONS   1