// Created on: 2013-09-25
// Created by: Denis BOGOLEPOV
// Copyright (c) 2013 OPEN CASCADE SAS
//
// The content of this file is subject to the Open CASCADE Technology Public
// License Version 6.5 (the "License"). You may not use the content of this file
// except in compliance with the License. Please obtain a copy of the License
// at http://www.opencascade.org and read it completely before using this file.
//
// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
//
// The Original Code and all software distributed under the License is
// distributed on an "AS IS" basis, without warranty of any kind, and the
// Initial Developer hereby disclaims all such warranties, including without
// limitation, any warranties of merchantability, fitness for a particular
// purpose or non-infringement. Please see the License for the specific terms
// and conditions governing the rights and limitations under the License.

// =======================================================================
// function : As
// purpose  : Returns variable value casted to specified type
// =======================================================================
template <class T> inline
T& Graphic3d_ValueInterface::As()
{
  Graphic3d_UniformValue<T>* aPtr = dynamic_cast<Graphic3d_UniformValue<T>*> (this);
  return aPtr->Value;
}

// =======================================================================
// function : As
// purpose  : Returns variable value casted to specified type
// =======================================================================
template <class T> inline
const T& Graphic3d_ValueInterface::As() const
{
  const Graphic3d_UniformValue<T>* aPtr = dynamic_cast<const Graphic3d_UniformValue<T>*> (this);
  return aPtr->Value;
}

// =======================================================================
// function : TypeID
// purpose  : Returns unique identifier of value type
// =======================================================================
template <class T> inline
Standard_Size Graphic3d_UniformValue<T>::TypeID() const
{
  return Graphic3d_UniformValueTypeID<T>::ID;
}

// =======================================================================
// function : Create
// purpose  : Creates initialized shader variable
// =======================================================================
template<class T> inline
Graphic3d_ShaderVariable* Graphic3d_ShaderVariable::Create (const TCollection_AsciiString& theName,
                                                            const T&                       theValue)
{
  Graphic3d_ShaderVariable* theVariable = new Graphic3d_ShaderVariable (theName);
  theVariable->myValue = new Graphic3d_UniformValue<T> (theValue);
  return theVariable;
}