CudaLanczosWrapper.h

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// -*- LSST-C++ -*-

/*
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 * Copyright 2008 - 2012 LSST Corporation.
 *
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#ifndef LSST_AFW_MATH_DETAIL_CUDALANCZOSWRAPPER_H
#define LSST_AFW_MATH_DETAIL_CUDALANCZOSWRAPPER_H

#include "lsst/afw/math/detail/PositionFunctor.h"
#include "lsst/afw/math/warpExposure.h"

namespace lsst {
namespace afw {
namespace math {
namespace detail {

namespace WarpImageGpuStatus
{
    enum ReturnCode {OK, NO_GPU, KERNEL_TOO_LARGE, INTERP_LEN_TOO_SMALL};
}

template<typename DestImageT, typename SrcImageT>
std::pair<int, WarpImageGpuStatus::ReturnCode> warpImageGPU(
    DestImageT &destImage,                  
    SrcImageT const &srcImage,              
    lsst::afw::math::LanczosWarpingKernel const &warpingKernel,   
    lsst::afw::math::SeparableKernel const &maskWarpingKernel,    
    PositionFunctor const &computeSrcPos,      
    int const interpLength,                  
    typename DestImageT::SinglePixel padValue, 
    const bool forceProcessing=true          
    );

}}}} // lsst::afw::math::detail

#endif // !defined(LSST_AFW_MATH_DETAIL_CUDALANCZOSWRAPPER_H)