GPUQMCMatrix.h

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/*
  Copyright (c) Amos G. Anderson 2005
  Distributed under GNU general public license (GPL)
  No guarantee or warantee regarding usability or stability is expressed or implied.
  nitroamos@gmail.com
*/

#ifndef GPUMATRIX
#define GPUMATRIX
#ifdef QMC_GPU

#include <iostream>
#include <stdlib.h>
#include <assert.h>
#include <math.h>
#include <string>
#include <vector>
#include <sstream>

#include "GPUGlobals.h"
#include "GPUQMCFramebuffer.h"
#include "Array1D.h"
#include "Array2D.h"
#include "Stopwatch.h"
#include "QMCInput.h"

class GPUQMCMatrix : public GPUGlobals
  {
    public:
      GPUQMCMatrix();
      
      GPUQMCMatrix(QMCInput *Input, Array1D< Array2D<qmcfloat> > & Coeffs, int numCalcs);
      
      void destroy();
      
      int runCalculation(int numCalcs, GLuint bfInput);
      
      void getResults(Array2D< Array2D<float>* > & results);
      
      int getNumIterations();
      
    private:
      string generateShader(int start, int stop, bool isFirstPass);
      
      /*
       This function write/reads shaders from file
      */
      void loadShaders();
      
      void loadData(ArrayGPU & data, GLuint & textureID, int numRows, int numCols);
      
      inline int operandMapping(int r, int c, int i, int j, int numCols);
      
      void mapData(ArrayGPU & data, int numRows, int numCols);
      
                        QMCInput *Input;

      GLuint * coTexID;
      
      const static int nMats = 5;
      
      int nRows, nCols;
      
      int nDets, nOrbitals, nBasisF;
      
      int deltaOE, deltaBF;
      
      int deltaW, deltaH;
      
      static vector<CGprogram> fp;
      
      static vector<CGparameter> tELxBF, tORxBF;
      
      static vector< vector<CGparameter> > tELxOR;
      
      int numLoops;
      
      int numPasses;
      
      int resultsIn;
      
      GPUQMCFramebuffer * gpuDataFB;
      
      GLfloat * cpuData;
      
      GLfloat * pixelData;
  };
#endif
#endif

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