source: downloads/ogre_src_v1-9-0/OgreMain/include/OgreCustomCompositionPass.h @ 148

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

Copyright (c) 2000-2013 Torus Knot Software Ltd

Permission is hereby granted, free of charge, to any person obtaining a copy
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all copies or substantial portions of the Software.

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*/
#ifndef __CustomCompositionPass_H__
#define __CustomCompositionPass_H__

#include "OgrePrerequisites.h"
#include "OgreCompositionPass.h"

namespace Ogre {
        /** \addtogroup Core
        *  @{
        */
        /** \addtogroup Effects
        *  @{
        */
        /** Interface for custom composition passes, allowing custom operations (in addition to
        *       the quad, scene and clear operations) in composition passes.
        *       @see CompositorManager::registerCustomCompositionPass
    */
    class _OgreExport CustomCompositionPass
    {
        public:
                /** Create a custom composition operation.
                        @param pass The CompositionPass that triggered the request
                        @param instance The compositor instance that this operation will be performed in
                        @remarks This call only happens once during creation. The RenderSystemOperation will
                        get called each render.
                        @remarks The created operation must be instanciated using the OGRE_NEW macro.
                */
                virtual CompositorInstance::RenderSystemOperation* createOperation(
                        CompositorInstance* instance, const CompositionPass* pass) = 0;

        protected:
                virtual ~CustomCompositionPass() {}
        };
        /** @} */
        /** @} */
}

#endif