| // |
| // 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 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 |