openclhelper.h

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#ifndef OPENCLHELPER_H
#define OPENCLHELPER_H
#define __CL_ENABLE_EXCEPTIONS

#ifdef LANGMUIR_OPEN_CL
#include "cl.hpp"
#endif

#include <QObject>
#include <QVector>

namespace LangmuirCore
{

class World;
class ChargeAgent;

class OpenClHelper : public QObject
{
private:
    Q_OBJECT
    Q_DISABLE_COPY(OpenClHelper)

public:
    OpenClHelper(World &world, QObject *parent=0);

    void initializeOpenCL(int gpuID = -1);

    void launchCoulombKernel1();

    void launchCoulombKernel2();

    void launchGaussKernel1();

    void launchGaussKernel2();

    void copySiteAndChargeToHostVector(int index, int site, int charge = -1);

    double getOutputHost(int index) const;

    double getOutputHostFuture(int index) const;

    void compareHostAndDeviceForAllCarriers();

    bool toggleOpenCL(bool on);

private:
    World &m_world;

#ifdef LANGMUIR_OPEN_CL

    cl::Platform m_platform;

    cl::Context m_context;

    cl::Device m_device;

    cl::CommandQueue m_queue;

    cl::Kernel m_coulomb1K;

    cl::Kernel m_guass1K;

    cl::Kernel m_coulomb2K;

    cl::Kernel m_guass2K;

    QVector<int> m_sHost;

    QVector<int> m_qHost;

    QVector<double> m_oHost;

    cl::Buffer m_sDevice;

    cl::Buffer m_qDevice;

    cl::Buffer m_oDevice;

    int m_offset;
#endif // LANGMUIR_OPEN_CL

};
}

#endif // OPENCLHELPER_H