text: /***********************************************************************
      created:    Sun Jan 11 2009
      author:     Paul D Turner
  *************************************************************************/
  /***************************************************************************
   *   Copyright (C) 2004 - 2009 Paul D Turner & The CEGUI Development Team
   *
   *   Permission is hereby granted, free of charge, to any person obtaining
   *   a copy of this software and associated documentation files (the
   *   "Software"), to deal in the Software without restriction, including
   *   without limitation the rights to use, copy, modify, merge, publish,
   *   distribute, sublicense, and/or sell copies of the Software, and to
   *   permit persons to whom the Software is furnished to do so, subject to
   *   the following conditions:
   *
   *   The above copyright notice and this permission notice shall be
   *   included in all copies or substantial portions of the Software.
   *
   *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
   *   IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
   *   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
   *   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   *   OTHER DEALINGS IN THE SOFTWARE.
   ***************************************************************************/
  #include "CEGUI/RendererModules/OpenGL/ViewportTarget.h"
  #include "CEGUI/RenderQueue.h"
  #include "CEGUI/GeometryBuffer.h"
  #include "CEGUI/RendererModules/OpenGL/GL.h"
  #include "CEGUI/Exceptions.h"
  
  // Start of CEGUI namespace section
  namespace CEGUI
  {
  //----------------------------------------------------------------------------//
  OpenGLViewportTarget::OpenGLViewportTarget(OpenGLRendererBase& owner) :
      OpenGLRenderTarget<RenderTarget>(owner)
  {
      // viewport area defaults to whatever the current OpenGL viewport is set to
      GLint vp[4];
      glGetIntegerv(GL_VIEWPORT, vp);
  
      const Rectf init_area(
          glm::vec2(static_cast<float>(vp[0]), static_cast<float>(vp[1])),
          Sizef(static_cast<float>(vp[2]), static_cast<float>(vp[3]))
      );
  
      setArea(init_area);
  }
  
  //----------------------------------------------------------------------------//
  OpenGLViewportTarget::OpenGLViewportTarget(OpenGLRendererBase& owner,
      const Rectf& area) :
          OpenGLRenderTarget<RenderTarget>(owner)
  {
      setArea(area);
  }
  
  //----------------------------------------------------------------------------//
  OpenGLViewportTarget::~OpenGLViewportTarget()
  {
  }
  
  //----------------------------------------------------------------------------//
  bool OpenGLViewportTarget::isImageryCache() const
  {
      return false;
  }
  
  //----------------------------------------------------------------------------//
  
  
  } // End of  CEGUI namespace section
  
  //----------------------------------------------------------------------------//
  // Implementation of base class
  #include "./RenderTarget.inl"
  
  
  