When changing a shader in the editor, reload it in the driver too.

--HG--
branch : gsoc2013-dfighter

code/nel/include/nel/3d/driver.h

@@ -1299,6 +1299,9 @@ protected:
 
 private:
 	bool			_StaticMemoryToVRAM;
+
+public:
+	virtual void reloadUserShaders(){}
 };
 
 // --------------------------------------------------

code/nel/tools/3d/object_viewer_qt/src/plugins/material_editor/nel3d_interface.cpp

@@ -398,6 +398,9 @@ namespace MaterialEditor
 		NL3D::CUsrShaderSaver saver;
 		saver.setManager( shaderManager );
 		saver.saveShader( "./shaders", name );
+		NL3D::CDriverUser *d = dynamic_cast< NL3D::CDriverUser* >( driver );
+		if( d != NULL )
+			d->getDriver()->reloadUserShaders();
 	}
 
 	void CNel3DInterface::deleteShader( const std::string &name )