78 lines
1.9 KiB
C++
78 lines
1.9 KiB
C++
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/*
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NODEWIRING.hpp - Implementation of the node network and operation control
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Copyright (C) Lumiera.org
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2008, Hermann Vosseler <Ichthyostega@web.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef ENGINE_NODEWIRING_H
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#define ENGINE_NODEWIRING_H
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#include "proc/engine/procnode.hpp"
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#include <cstddef>
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namespace engine {
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class WiringFactory;
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/**
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* Actual implementation of the link between nodes
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* and also the track switch for the execution path
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* while operating the node network for rendering.
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* @param STATE StateAdapter object controlling the
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* behaviour of callDown() while rendering.
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* @see NodeFactory
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*/
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template<class STATE>
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class NodeWiring
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: public WiringDescriptor
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{
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friend class WiringFactory;
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protected:
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virtual BufferID
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callDown (State& currentProcess, BufferID requiredOutputNr) const
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{
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STATE thisStep (currentProcess, *this);
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return thisStep.retrieve (requiredOutputNr); // fetch or calculate results
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}
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};
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class WiringFactory
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{
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public:
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WiringDescriptor&
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operator() (uint nrOut, uint nrIn, bool cache);
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};
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} // namespace engine
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#endif
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