GaussianBlurListener.h

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/*
 * i6engine
 * Copyright (2016) Daniel Bonrath, Michael Baer, All rights reserved.
 *
 * This file is part of i6engine; i6engine 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 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#ifndef __I6ENGINE_MODULES_COMPOSITORS_GAUSSIANBLURLISTENER_H__
#define __I6ENGINE_MODULES_COMPOSITORS_GAUSSIANBLURLISTENER_H__

#include "OGRE/OgreCompositorInstance.h"

namespace i6e {
namespace modules {

        class GaussianListener : public Ogre::CompositorInstance::Listener {
        protected:
                int mVpWidth, mVpHeight;
                // Array params - have to pack in groups of 4 since this is how Cg generates them
                // also prevents dependent texture read problems if ops don't require swizzle
                float mBloomTexWeights[15][4];
                float mBloomTexOffsetsHorz[15][4];
                float mBloomTexOffsetsVert[15][4];

        public:
                GaussianListener();
                virtual ~GaussianListener();
                void notifyViewportSize(int width, int height);
                virtual void notifyMaterialSetup(Ogre::uint32 pass_id, Ogre::MaterialPtr & mat);
                virtual void notifyMaterialRender(Ogre::uint32 pass_id, Ogre::MaterialPtr & mat);
        };

} /* namespace modules */
} /* namespace i6e */

#endif /* __I6ENGINE_MODULES_COMPOSITORS_GAUSSIANBLURLISTENER_H__ */