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/* */
/* Copyright 1998-2004 by Ullrich Koethe */
/* Copyright 2011-2011 by Michael Tesch */
/* */
/* This file is part of the VIGRA computer vision library. */
/* The VIGRA Website is */
/* http://hci.iwr.uni-heidelberg.de/vigra/ */
/* Please direct questions, bug reports, and contributions to */
/* ullrich.koethe@iwr.uni-heidelberg.de or */
/* vigra@informatik.uni-hamburg.de */
/* */
/* Permission is hereby granted, free of charge, to any person */
/* obtaining a copy of this software and associated documentation */
/* files (the "Software"), to deal in the Software without */
/* restriction, including without limitation the rights to use, */
/* copy, modify, merge, publish, distribute, sublicense, and/or */
/* sell copies of the Software, and to permit persons to whom the */
/* Software is furnished to do so, subject to the following */
/* conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the */
/* Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES */
/* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND */
/* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT */
/* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, */
/* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING */
/* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR */
/* OTHER DEALINGS IN THE SOFTWARE. */
/* */
/************************************************************************/
#ifndef VIGRA_OPENCL_HXX
#define VIGRA_OPENCL_HXX
#include "numerictraits.hxx"
#ifdef __APPLE__
#include <OpenCL/opencl.h>
#else
#include <CL/opencl.h>
#endif
namespace vigra {
/********************************************************/
/* */
/* NumericTraits */
/* */
/********************************************************/
#ifndef NO_PARTIAL_TEMPLATE_SPECIALIZATION
#define VIGRA_OPENCL_VECTYPEN_INTEGER_TRAITS(basetype, n) \
template<> \
struct NumericTraits< basetype##n > \
{ \
typedef basetype##n Type; \
typedef Type Promote; \
typedef Type UnsignedPromote; \
typedef Type RealPromote; \
typedef std::complex<Type> ComplexPromote; \
typedef basetype ValueType; \
\
typedef VigraFalseType isIntegral; \
typedef VigraFalseType isScalar; \
typedef typename NumericTraits<ValueType>::isSigned isSigned; \
typedef VigraFalseType isOrdered; \
typedef typename NumericTraits<ValueType>::isComplex isComplex; \
\
static Type zero() { Type x; bzero(&x, sizeof(x)); return x; } \
static Type one() { Type x = {{1}}; return x; } \
static Type nonZero() { return one(); } \
\
static Promote toPromote(Type const & v) { return v; } \
static Type fromPromote(Promote const & v) { return v; } \
static Type fromRealPromote(RealPromote v) { return v; } \
}
#define VIGRA_OPENCL_VECTYPEN_REAL_TRAITS(basetype, n) \
template<> \
struct NumericTraits< basetype##n > \
{ \
typedef basetype##n Type; \
typedef Type Promote; \
typedef Type UnsignedPromote; \
typedef Type RealPromote; \
typedef std::complex<Type> ComplexPromote; \
typedef basetype ValueType; \
\
typedef VigraFalseType isIntegral; \
typedef VigraFalseType isScalar; \
typedef typename NumericTraits<ValueType>::isSigned isSigned; \
typedef VigraFalseType isOrdered; \
typedef typename NumericTraits<ValueType>::isComplex isComplex; \
\
static Type zero() { Type x; bzero(&x, sizeof(x)); return x; } \
static Type one() { Type x = {{1}}; return x; } \
static Type nonZero() { return one(); } \
static Type epsilon() { Type x; x.x = NumericTraits<ValueType>::epsilon(); return x; } \
static Type smallestPositive() { Type x; x.x = NumericTraits<ValueType>::smallestPositive(); return x; } \
\
static Promote toPromote(Type const & v) { return v; } \
static Type fromPromote(Promote const & v) { return v; } \
static Type fromRealPromote(RealPromote v) { return v; } \
}
/// \todo - fix one() - maybe with .hi and .lo accessors?
#define VIGRA_OPENCL_VECN_TRAITS(n) \
VIGRA_OPENCL_VECTYPEN_INTEGER_TRAITS(cl_char, n); \
VIGRA_OPENCL_VECTYPEN_INTEGER_TRAITS(cl_uchar, n); \
VIGRA_OPENCL_VECTYPEN_INTEGER_TRAITS(cl_short, n); \
VIGRA_OPENCL_VECTYPEN_INTEGER_TRAITS(cl_ushort, n); \
VIGRA_OPENCL_VECTYPEN_INTEGER_TRAITS(cl_int, n); \
VIGRA_OPENCL_VECTYPEN_INTEGER_TRAITS(cl_uint, n); \
VIGRA_OPENCL_VECTYPEN_INTEGER_TRAITS(cl_long, n); \
VIGRA_OPENCL_VECTYPEN_INTEGER_TRAITS(cl_ulong, n); \
VIGRA_OPENCL_VECTYPEN_REAL_TRAITS(cl_float, n); \
VIGRA_OPENCL_VECTYPEN_REAL_TRAITS(cl_double, n);
VIGRA_OPENCL_VECN_TRAITS(2);
VIGRA_OPENCL_VECN_TRAITS(3);
//VIGRA_OPENCL_VECN_TRAITS(4); // cl_type4 is the same as cl_type3
VIGRA_OPENCL_VECN_TRAITS(8);
VIGRA_OPENCL_VECN_TRAITS(16);
#undef VIGRA_OPENCL_VECTYPEN_INTEGER_TRAITS
#undef VIGRA_OPENCL_VECTYPEN_REAL_TRAITS
#undef VIGRA_OPENCL_VECN_TRAITS
/** \todo looks like the windows CL/cl_platform.h does signed/unsigned
* strangely, so that the signed properties may not have the right
* NumericalTraits::isSigned -- not sure if there's a reason for that.
*/
#endif // NO_PARTIAL_TEMPLATE_SPECIALIZATION
/********************************************************/
/* */
/* SquareRootTraits */
/* */
/********************************************************/
/********************************************************/
/* */
/* NormTraits */
/* */
/********************************************************/
#if 0
template<>
struct NormTraits<fftw_complex>
{
typedef fftw_complex Type;
typedef fftw_real SquaredNormType;
typedef fftw_real NormType;
};
template<class Real>
struct NormTraits<FFTWComplex<Real> >
{
typedef FFTWComplex<Real> Type;
typedef typename Type::SquaredNormType SquaredNormType;
typedef typename Type::NormType NormType;
};
#endif
/********************************************************/
/* */
/* PromoteTraits */
/* */
/********************************************************/
#if 0
template<class T>
struct CanSkipInitialization<std::complex<T> >
{
typedef typename CanSkipInitialization<T>::type type;
static const bool value = type::asBool;
};
#endif
/********************************************************/
/* */
/* multi_math */
/* */
/********************************************************/
namespace multi_math {
/// \todo !
/** OpenCL 1.1 [6.2] - Convert operators */
/** OpenCL 1.1 [6.3] - Scalar/vector math operators */
/** OpenCL 1.1 [6.11.2] - Math Built-in Functions */
/** OpenCL 1.1 [6.11.3] - Integer Built-in Functions */
/** OpenCL 1.1 [6.11.4] - Common Built-in Functions */
/** OpenCL 1.1 [6.11.5] - Geometric Built-in Functions */
/** OpenCL 1.1 [6.11.6] - Relational Built-in Functions */
/** OpenCL 1.1 [6.11.7] - Vector Data Load/Store Built-in Functions */
/** OpenCL 1.1 [6.11.12] - Misc Vector Built-in Functions */
/** OpenCL 1.1 [6.11.12] - Image Read and Write Built-in Functions */
} // namespace multi_math
/********************************************************/
/* */
/* Channel Accessors */
/* */
/********************************************************/
/** \addtogroup DataAccessors
*/
//@{
/** \defgroup OpenCL-Accessors Accessors for OpenCL types
Encapsulate access to members of OpenCL vector types.
<b>\#include</b> \<vigra/multi_opencl.hxx\>
OpenCL 1.1 [6.1.7] - Vector Components
- cl_TYPE2Accessor_x
- cl_TYPE2Accessor_y
- cl_TYPE2Accessor_s0
- cl_TYPE2Accessor_s1
- cl_TYPE2WriteAccessor_x
- cl_TYPE2WriteAccessor_y
- cl_TYPE2WriteAccessor_s0
- cl_TYPE2WriteAccessor_s1
- cl_TYPE3Accessor_x
- cl_TYPE3Accessor_y
- cl_TYPE3Accessor_z
- cl_TYPE3Accessor_s0
- cl_TYPE3Accessor_s1
- cl_TYPE3Accessor_s2
- cl_TYPE3WriteAccessor_x
- cl_TYPE3WriteAccessor_y
- cl_TYPE3WriteAccessor_z
- cl_TYPE3WriteAccessor_s0
- cl_TYPE3WriteAccessor_s1
- ...
where TYPE is one of {char, uchar, short, ushort, int, uint, long, ulong, float, double }
For example:
\code
#include <vigra/multi_opencl.hxx>
MultiArrayView<2, cl_double3 > dataView = ...;
vigra::FindMinMax<double> minmax;
vigra::inspectMultiArray(srcMultiArrayRange(dataView, cl_double3Accessor_z()), minmax);
std::cout << "range of .z: " << minmax.min << " - " << minmax.max;
\endcode
*/
//@{
/**
\class cl_charNAccessor_COMP
access the first component.
\class cl_TYPE3WriteAccessor_s1
access the second component.
\class cl_TYPE3WriteAccessor_s2
access the third component.
*/
//@}
//@}
#define VIGRA_OPENCL_TYPE_ACCESSOR(basetype, n, NTH) \
class basetype##n##Accessor_##NTH \
{ \
public: \
/** The accessor's value type. */ \
typedef NumericTraits< basetype##n >::ValueType value_type; \
\
/** Read component at iterator position. */ \
template <class ITERATOR> \
value_type operator()(ITERATOR const & i) const { \
return (*i).NTH; \
} \
\
/** Read component at offset from iterator position. */ \
template <class ITERATOR, class DIFFERENCE> \
value_type operator()(ITERATOR const & i, DIFFERENCE d) const { \
return i[d].NTH; \
} \
\
/** Write component at iterator position from a scalar. */ \
template <class ITERATOR> \
void set(value_type const & v, ITERATOR const & i) const { \
(*i).NTH = v; \
} \
\
/** Write component at offset from iterator position from a scalar. */ \
template <class ITERATOR, class DIFFERENCE> \
void set(value_type const & v, ITERATOR const & i, DIFFERENCE d) const { \
i[d].NTH = v; \
} \
\
/** Write component at iterator position into a scalar. */ \
template <class R, class ITERATOR> \
void set(FFTWComplex<R> const & v, ITERATOR const & i) const { \
*i = v.NTH; \
} \
\
/** Write component at offset from iterator position into a scalar. */ \
template <class R, class ITERATOR, class DIFFERENCE> \
void set(FFTWComplex<R> const & v, ITERATOR const & i, DIFFERENCE d) const { \
i[d] = v.NTH; \
} \
}; \
class basetype##n##WriteAccessor_##NTH \
: public basetype##n##Accessor_##NTH \
{ \
public: \
/** The accessor's value type. */ \
typedef NumericTraits< basetype##n >::ValueType value_type; \
\
/** Write component at iterator position. */ \
template <class ITERATOR> \
void set(value_type const & v, ITERATOR const & i) const { \
(*i).NTH = v; \
} \
\
/** Write component at offset from iterator position. */ \
template <class ITERATOR, class DIFFERENCE> \
void set(value_type const & v, ITERATOR const & i, DIFFERENCE d) const { \
i[d].NTH = v; \
} \
}
#define VIGRA_OPENCL_TYPE2_ACCESSORS(basetype) \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 2, s0); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 2, s1); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 2, x); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 2, y);
#define VIGRA_OPENCL_TYPE3_ACCESSORS(basetype) \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 3, s0); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 3, s1); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 3, s2); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 3, x); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 3, y); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 3, z);
#define VIGRA_OPENCL_TYPE4_ACCESSORS(basetype) \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 4, s0); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 4, s1); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 4, s2); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 4, s3); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 4, x); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 4, y); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 4, z); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 4, w);
#define VIGRA_OPENCL_TYPE8_ACCESSORS(basetype) \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 8, s0); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 8, s1); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 8, s2); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 8, s3); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 8, s4); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 8, s5); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 8, s6); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 8, s7); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 8, s8);
#define VIGRA_OPENCL_TYPE16_ACCESSORS(basetype) \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, s0); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, s1); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, s2); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, s3); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, s4); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, s5); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, s6); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, s7); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, s8); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, sa); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, sb); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, sc); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, sd); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, se); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, sf); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, sA); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, sB); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, sC); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, sD); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, sE); \
VIGRA_OPENCL_TYPE_ACCESSOR(basetype, 16, sF);
/// \todo figure out half (.hi .lo, .even .odd) and other odd-sized accessors
#define VIGRA_OPENCL_ACCESSORS(basetype) \
VIGRA_OPENCL_TYPE2_ACCESSORS(basetype); \
VIGRA_OPENCL_TYPE3_ACCESSORS(basetype); \
VIGRA_OPENCL_TYPE4_ACCESSORS(basetype); \
VIGRA_OPENCL_TYPE8_ACCESSORS(basetype); \
VIGRA_OPENCL_TYPE16_ACCESSORS(basetype);
VIGRA_OPENCL_ACCESSORS(cl_char);
VIGRA_OPENCL_ACCESSORS(cl_uchar);
VIGRA_OPENCL_ACCESSORS(cl_short);
VIGRA_OPENCL_ACCESSORS(cl_ushort);
VIGRA_OPENCL_ACCESSORS(cl_int);
VIGRA_OPENCL_ACCESSORS(cl_uint);
VIGRA_OPENCL_ACCESSORS(cl_long);
VIGRA_OPENCL_ACCESSORS(cl_ulong);
VIGRA_OPENCL_ACCESSORS(cl_float);
VIGRA_OPENCL_ACCESSORS(cl_double);
#undef VIGRA_OPENCL_TYPE_ACCESSOR
#undef VIGRA_OPENCL_TYPE2_ACCESSORS
#undef VIGRA_OPENCL_TYPE3_ACCESSORS
#undef VIGRA_OPENCL_TYPE4_ACCESSORS
#undef VIGRA_OPENCL_TYPE8_ACCESSORS
#undef VIGRA_OPENCL_TYPE16_ACCESSORS
#undef VIGRA_OPENCL_ACCESSORS
} // namespace vigra
#endif // VIGRA_OPENCL_HXX
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