ShChannel.hpp

// Sh: A GPU metaprogramming language.
//
// Copyright 2003-2005 Serious Hack Inc.
// 
// This library 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 SHCHANNEL_HPP
#define SHCHANNEL_HPP

#include "ShChannelNode.hpp"
#include "ShProgram.hpp"
#include "ShGeneric.hpp"

namespace SH {

template<typename T>
class ShChannel : public ShMetaForwarder {
public:
  ShChannel();
  ShChannel(const ShMemoryPtr& memory, int count);

  void memory(const ShMemoryPtr& memory, int count);

  int count() const;
  ShPointer<const ShMemory> memory() const;
  ShMemoryPtr memory();

  T operator()() const;

  template<typename T2>
  T operator[](const ShGeneric<1, T2>& index) const;

  ShChannelNodePtr node();
  const ShChannelNodePtr node() const;

  ShChannel& operator=(const ShProgram& program);
  
private:
  ShChannelNodePtr m_node;
};

template<typename T>
ShProgram connect(const ShChannel<T>& channel, const ShProgram& program);

template<typename T>
ShProgram operator<<(const ShProgram& program, const ShChannel<T>& channel);

}

#include "ShChannelImpl.hpp"

#endif

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