mirror of
https://github.com/Atmosphere-NX/Atmosphere
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59 lines
2.6 KiB
C++
59 lines
2.6 KiB
C++
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/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <vapours/common.hpp>
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#include <vapours/assert.hpp>
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namespace ams {
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constexpr inline size_t DefaultAlignment = alignof(max_align_t);
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using AllocateFunction = void *(*)(size_t);
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using AllocateFunctionWithUserData = void *(*)(size_t, void *);
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using AlignedAllocateFunction = void *(*)(size_t, size_t);
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using AlignedAllocateFunctionWithUserData = void *(*)(size_t, size_t, void *);
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using DeallocateFunction = void (*)(void *, size_t);
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using FreeFunction = void (*)(void *);
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using FreeFunctionWithUserData = void (*)(void *, void *);
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class MemoryResource {
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public:
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ALWAYS_INLINE void *allocate(size_t size, size_t alignment = DefaultAlignment) {
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return this->AllocateImpl(size, alignment);
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}
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ALWAYS_INLINE void deallocate(void *buffer, size_t size, size_t alignment = DefaultAlignment) {
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this->DeallocateImpl(buffer, size, alignment);
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}
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ALWAYS_INLINE bool is_equal(const MemoryResource &resource) const {
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return this->IsEqualImpl(resource);
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}
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ALWAYS_INLINE void *Allocate(size_t size, size_t alignment = DefaultAlignment) {
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return this->AllocateImpl(size, alignment);
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}
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ALWAYS_INLINE void Deallocate(void *buffer, size_t size, size_t alignment = DefaultAlignment) {
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this->DeallocateImpl(buffer, size, alignment);
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}
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ALWAYS_INLINE bool IsEqual(const MemoryResource &resource) const {
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return this->IsEqualImpl(resource);
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}
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protected:
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virtual void *AllocateImpl(size_t size, size_t alignment) = 0;
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virtual void DeallocateImpl(void *buffer, size_t size, size_t alignment) = 0;
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virtual bool IsEqualImpl(const MemoryResource &resource) const = 0;
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};
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}
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