ShAlgebra.hpp

// Sh: A GPU metaprogramming language.
//
// Copyright (c) 2003 University of Waterloo Computer Graphics Laboratory
// Project administrator: Michael D. McCool
// Authors: Zheng Qin, Stefanus Du Toit, Kevin Moule, Tiberiu S. Popa,
//          Michael D. McCool
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must
// not claim that you wrote the original software. If you use this
// software in a product, an acknowledgment in the product documentation
// would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must
// not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
#ifndef SHALGEBRA_HPP
#define SHALGEBRA_HPP

#include <string>
#include "ShDllExport.hpp"
#include "ShProgram.hpp"
#include "ShSyntax.hpp"
#include "ShAttrib.hpp"

namespace SH {

SH_DLLEXPORT
ShProgram connect(ShProgram a, ShProgram b);

SH_DLLEXPORT
ShProgram combine(ShProgram a, ShProgram b);

SH_DLLEXPORT
ShProgram namedCombine(ShProgram a, ShProgram b);

SH_DLLEXPORT
ShProgram namedConnect(ShProgram a, ShProgram b, bool keepExtra = false );

SH_DLLEXPORT
ShProgram renameInput(ShProgram a, const std::string& oldName, const std::string& newName);

SH_DLLEXPORT
ShProgram renameOutput(ShProgram a, const std::string& oldName, const std::string& newName);

SH_DLLEXPORT
ShProgram namedAlign(ShProgram a, ShProgram b);

SH_DLLEXPORT
ShProgram replaceUniform(ShProgram a, const ShVariable &var); 

SH_DLLEXPORT
ShProgram operator&(ShProgram a, ShProgram b);

SH_DLLEXPORT
ShProgram operator<<(ShProgram a, ShProgram b);

SH_DLLEXPORT
ShProgram operator>>(ShProgram p, const ShVariable &var); 

template<int N, typename T>
ShProgram operator<<(ShProgram a, const ShGeneric<N, T>& v) {
  ShProgram vNibble = SH_BEGIN_PROGRAM() {
    ShAttrib<N, SH_OUTPUT, T> out;
    out.node()->specialType(v.node()->specialType());
    out = v;
  } SH_END_PROGRAM;
  return connect(vNibble, a); 
}

}

#endif

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