Danny Robson
c2265b9ed2
sometimes we need to ensure memory allocation has a particular alignment in an _offset_ buffer (which we have no control over, eg renderdoc's OpenGL buffers). this applies an offset to various operations that make the aligned::direct allocator correctly align allocations for buffers that aren't themselves aligned.
43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
/*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
* Copyright 2018 Danny Robson <danny@nerdcruft.net>
|
|
*/
|
|
|
|
#ifndef CRUFT_UTIL_ALLOC_RAW_TRAITS_HPP
|
|
#define CRUFT_UTIL_ALLOC_RAW_TRAITS_HPP
|
|
|
|
#include <type_traits>
|
|
|
|
|
|
namespace util::alloc::raw {
|
|
template <typename AllocT, typename = std::void_t<>>
|
|
struct has_aligned_allocate : std::false_type {};
|
|
|
|
template <typename AllocT>
|
|
struct has_aligned_allocate<
|
|
AllocT,
|
|
std::void_t<
|
|
decltype (
|
|
std::declval<AllocT> ().allocate(16, 16)
|
|
)
|
|
>
|
|
>: public std::true_type {};
|
|
|
|
|
|
template <typename AllocT>
|
|
constexpr auto has_aligned_allocate_v = has_aligned_allocate<AllocT>::value;
|
|
};
|
|
|
|
#endif
|