source: OGRE/trunk/ogrenew/RenderSystems/GL/src/OgreGLFBOMultiRenderTarget.cpp @ 692

/*
-----------------------------------------------------------------------------
This source file is part of OGRE
    (Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2005 The OGRE Team
Also see acknowledgements in Readme.html

This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.

This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/copyleft/lesser.txt.
-----------------------------------------------------------------------------
*/

#include "OgreGLFBOMultiRenderTarget.h"
#include "OgreGLPixelFormat.h"
#include "OgreLogManager.h"
#include "OgreStringConverter.h"
#include "OgreRoot.h"
#include "OgreGLHardwarePixelBuffer.h"

namespace Ogre {

        GLFBOMultiRenderTarget::GLFBOMultiRenderTarget(GLFBOManager *manager, const String &name):
                MultiRenderTarget(name),
                fbo(manager)
        {
        }
        GLFBOMultiRenderTarget::~GLFBOMultiRenderTarget()
        {
        }

        void GLFBOMultiRenderTarget::bindSurface(size_t attachment, RenderTexture *target)
        {
                /// Check if the render target is in the rendertarget->FBO map
        GLFrameBufferObject *fbobj = 0;
        target->getCustomAttribute("FBO", &fbobj);
                assert(fbobj);
                fbo.bindSurface(attachment, fbobj->getSurface(0));

                // Initialise?
                
                // Set width and height
                mWidth = fbo.getWidth();
                mHeight = fbo.getHeight();
        }

        void GLFBOMultiRenderTarget::unbindSurface(size_t attachment)
        {
                fbo.unbindSurface(attachment);

                // Set width and height
                mWidth = fbo.getWidth();
                mHeight = fbo.getHeight();
        }

        void GLFBOMultiRenderTarget::getCustomAttribute( const String& name, void *pData )
        {
                if(name=="FBO")
        {
            *static_cast<GLFrameBufferObject **>(pData) = &fbo;
        }
        }
}