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//
// Copyright 2012 Francisco Jerez
//
// 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 __CL_UTIL_HPP__
#define __CL_UTIL_HPP__
#include <cstdint>
#include <cstring>
#include <algorithm>
#include <map>
#include "core/base.hpp"
#include "pipe/p_compiler.h"
namespace clover {
///
/// Return a matrix (a container of containers) in \a buf with
/// argument and bounds checking. Intended to be used by
/// implementations of \a clGetXXXInfo().
///
template<typename T, typename V>
cl_int
matrix_property(void *buf, size_t size, size_t *size_ret, const V& v) {
if (buf && size < sizeof(T *) * v.size())
return CL_INVALID_VALUE;
if (size_ret)
*size_ret = sizeof(T *) * v.size();
if (buf)
for_each([](typename V::value_type src, T *dst) {
if (dst)
std::copy(src.begin(), src.end(), dst);
},
v.begin(), v.end(), (T **)buf);
return CL_SUCCESS;
}
///
/// Return a vector in \a buf with argument and bounds checking.
/// Intended to be used by implementations of \a clGetXXXInfo().
///
template<typename T, typename V>
cl_int
vector_property(void *buf, size_t size, size_t *size_ret, const V& v) {
if (buf && size < sizeof(T) * v.size())
return CL_INVALID_VALUE;
if (size_ret)
*size_ret = sizeof(T) * v.size();
if (buf)
std::copy(v.begin(), v.end(), (T *)buf);
return CL_SUCCESS;
}
///
/// Return a scalar in \a buf with argument and bounds checking.
/// Intended to be used by implementations of \a clGetXXXInfo().
///
template<typename T>
cl_int
scalar_property(void *buf, size_t size, size_t *size_ret, T v) {
return vector_property<T>(buf, size, size_ret, std::vector<T>(1, v));
}
///
/// Return a string in \a buf with argument and bounds checking.
/// Intended to be used by implementations of \a clGetXXXInfo().
///
inline cl_int
string_property(void *buf, size_t size, size_t *size_ret,
const std::string &v) {
if (buf && size < v.size() + 1)
return CL_INVALID_VALUE;
if (size_ret)
*size_ret = v.size() + 1;
if (buf)
std::strcpy((char *)buf, v.c_str());
return CL_SUCCESS;
}
///
/// Convert a NULL-terminated property list into an std::map.
///
template<typename T>
std::map<T, T>
property_map(const T *props) {
std::map<T, T> m;
while (props && *props) {
T key = *props++;
T value = *props++;
if (m.count(key))
throw clover::error(CL_INVALID_PROPERTY);
m.insert({ key, value });
}
return m;
}
///
/// Convert an std::map into a NULL-terminated property list.
///
template<typename T>
std::vector<T>
property_vector(const std::map<T, T> &m) {
std::vector<T> v;
for (auto &p : m) {
v.push_back(p.first);
v.push_back(p.second);
}
v.push_back(0);
return v;
}
///
/// Return an error code in \a p if non-zero.
///
inline void
ret_error(cl_int *p, const clover::error &e) {
if (p)
*p = e.get();
}
///
/// Return a reference-counted object in \a p if non-zero.
/// Otherwise release object ownership.
///
template<typename T, typename S>
void
ret_object(T p, S v) {
if (p)
*p = v;
else
v->release();
}
}
#endif
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