gl_Cg_code_instructor.cpp

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/***************************************************************************
 *   Copyright (C) 2008 by Kutumov Alexey                                  *
 *   ru.pixel@gmail.com                                                    *
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 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
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#include "gl_Cg_shader_system/gl_Cg_code_instructor.h"

#include "gpucalc/task.h"

namespace gpucalc
{
 namespace debugger
 {

  const std::string GLCgCodeInstructor::mSourceFooter = "\
   float4 float4_cast_debug(float x)\
   {\
    return float4(x,0,0,0);\
   }\
   float4 float4_cast_debug(float2 x)\
   {\
    return float4(x,0,0);\
   }\
   float4 float4_cast_debug(float3 x)\
   {\
    return float4(x,0);\
   }\
   float4 float4_cast_debug(float4 x)\
   {\
    return x;\
   }\n\n";

  
  GLCgCodeInstructor::GLCgCodeInstructor(): CodeInstructor(_GLCgCodeInstructorName), mOriginalSource()
  {
  }


  GLCgCodeInstructor::~GLCgCodeInstructor()
  {
  }


  std::string GLCgCodeInstructor::instruct(size_t line, const std::string & variable)
  {
   StringList ShaderSource = auxillary::StringUtil::split(mOriginalSource);
   ShaderSource.insert(ShaderSource.begin() + line - 1, std::string("debug(float4_cast_debug(" + variable + "));"));
   return mSourceFooter + auxillary::StringUtil::concatenate(ShaderSource);
  }


  bool GLCgCodeInstructor::isCycle(size_t line) const
  {
   return false;
  }


  bool GLCgCodeInstructor::isExternalFunctionCalling(size_t line) const
  {
   return false;
  }


  size_t GLCgCodeInstructor::getEndOfCycle(size_t line) const
  {
   return -1;
  }


  std::string GLCgCodeInstructor::getExternalFunctionName(size_t line) const
  {
   return "";
  }


  size_t GLCgCodeInstructor::getExternalFunctionBody(const std::string & FunctionName) const
  {
   return -1;
  }
 }
}