GPUNormalMapManager.cpp

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/*
--------------------------------------------------------------------------------
This source file is part of Hydrax.
Visit ---
 
Copyright (C) 2008 Xavier Vergu�n Gonz�lez <xavierverguin@hotmail.com>
                                           <xavyiy@gmail.com>
 
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 <GPUNormalMapManager.h>
 
#include <Hydrax.h>
 
namespace Hydrax
{
    GPUNormalMapManager::GPUNormalMapManager(Hydrax* h)
        : mHydrax(h)
        , mRttManager(h->getRttManager())
        , mCreated(false)
    {
        mRttManager->setBitsPerChannel(RttManager::RTT_GPU_NORMAL_MAP, RttManager::BPC_16);
        mRttManager->setNumberOfChannels(RttManager::RTT_GPU_NORMAL_MAP, RttManager::NOC_3);
 
        mNormalMapMaterial.reset();
    }
 
    GPUNormalMapManager::~GPUNormalMapManager()
    {
        remove();
    }
 
    void GPUNormalMapManager::create()
    {
        mRttManager->initialize(RttManager::RTT_GPU_NORMAL_MAP);
 
        mHydrax->getMaterialManager()->reload(MaterialManager::MAT_WATER);
 
        if (mHydrax->isComponent(HYDRAX_COMPONENT_UNDERWATER))
        {
            mHydrax->getMaterialManager()->reload(MaterialManager::MAT_UNDERWATER);
        }
 
        mCreated = true;
    }
 
    void GPUNormalMapManager::remove()
    {
        if (!mCreated)
        {
            return;
        }
 
        for (unsigned int k = 0; k < mTextures.size(); k++)
        {
            Ogre::TextureManager::getSingleton().remove(mTextures.at(k)->getName());
        }
 
        mTextures.clear();
 
        mRttManager->remove(RttManager::RTT_GPU_NORMAL_MAP);
 
        Ogre::HighLevelGpuProgramManager::getSingleton().unload(mNormalMapMaterial->getTechnique(0)->getPass(0)->getVertexProgramName());
        Ogre::HighLevelGpuProgramManager::getSingleton().unload(mNormalMapMaterial->getTechnique(0)->getPass(0)->getFragmentProgramName());
        Ogre::HighLevelGpuProgramManager::getSingleton().remove(mNormalMapMaterial->getTechnique(0)->getPass(0)->getVertexProgramName());
        Ogre::HighLevelGpuProgramManager::getSingleton().remove(mNormalMapMaterial->getTechnique(0)->getPass(0)->getFragmentProgramName());
 
        Ogre::MaterialManager::getSingleton().remove(mNormalMapMaterial->getName());
        mNormalMapMaterial.reset();
 
        mCreated = false;
    }
}