DensityFunctionWaveform.h

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* libscopehal                                                                                                          *
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#ifndef DensityFunctionWaveform_h
#define DensityFunctionWaveform_h
 
#include "Waveform.h"
 
class DensityFunctionWaveform : public WaveformBase
{
public:
 
    DensityFunctionWaveform(size_t width, size_t height);
    virtual ~DensityFunctionWaveform();
 
    //not copyable or assignable
    DensityFunctionWaveform(const DensityFunctionWaveform&) =delete;
    DensityFunctionWaveform& operator=(const DensityFunctionWaveform&) =delete;
 
    //nothing to do if not gpu accelerated
    virtual void Rename([[maybe_unused]] const std::string& name = "") override
    {}
 
    float* GetData()
    {
        m_outdata.PrepareForCpuAccess();
        return m_outdata.GetCpuPointer();
    }
 
    AcceleratorBuffer<float>& GetOutData()
    { return m_outdata; }
 
    size_t GetHeight()
    { return m_height; }
 
    size_t GetWidth()
    { return m_width; }
 
    //Unused virtual methods from WaveformBase that we have to override
    virtual void clear() override
    {}
 
    virtual void Resize([[maybe_unused]] size_t unused) override
    {}
 
    virtual void Reserve([[maybe_unused]] size_t unused) override
    {}
 
    virtual void PrepareForCpuAccess() override
    { m_outdata.PrepareForCpuAccess(); }
 
    virtual void PrepareForGpuAccess() override
    { m_outdata.PrepareForGpuAccess();}
 
    virtual void MarkSamplesModifiedFromCpu() override
    { m_outdata.MarkModifiedFromCpu(); }
 
    virtual void MarkSamplesModifiedFromGpu() override
    { m_outdata.MarkModifiedFromGpu(); }
 
    virtual void MarkModifiedFromCpu() override
    { m_outdata.MarkModifiedFromCpu(); }
 
    virtual void MarkModifiedFromGpu() override
    { m_outdata.MarkModifiedFromGpu(); }
 
    //we have no linear sample buffer so return 0
    virtual size_t size() const override
    { return 0; }
 
protected:
 
    size_t m_width;
 
    size_t m_height;
 
    AcceleratorBuffer<float> m_outdata;
};
 
#endif