mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-10 07:06:34 +00:00
92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
/*
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* Copyright (c) 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.hpp>
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namespace ams::sf {
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namespace impl {
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struct StatelessDummyAllocator;
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}
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template<typename A>
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class StatelessAllocationPolicy {
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public:
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static constexpr bool HasStatefulAllocator = false;
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using Allocator = impl::StatelessDummyAllocator;
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template<typename>
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using StatelessAllocator = A;
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template<typename>
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static void *AllocateAligned(size_t size, size_t align) {
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AMS_UNUSED(align);
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return A().Allocate(size);
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}
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template<typename>
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static void DeallocateAligned(void *ptr, size_t size, size_t align) {
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AMS_UNUSED(align);
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A().Deallocate(ptr, size);
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}
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};
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template<template<typename> typename A>
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class StatelessTypedAllocationPolicy {
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public:
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static constexpr bool HasStatefulAllocator = false;
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using Allocator = impl::StatelessDummyAllocator;
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template<typename T>
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using StatelessAllocator = A<T>;
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template<typename T>
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static void *AllocateAligned(size_t size, size_t align) {
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AMS_UNUSED(align);
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return StatelessAllocator<T>().Allocate(size);
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}
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template<typename T>
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static void DeallocateAligned(void *ptr, size_t size, size_t align) {
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AMS_UNUSED(align);
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StatelessAllocator<T>().Deallocate(ptr, size);
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}
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};
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template<typename A>
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class StatefulAllocationPolicy {
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public:
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static constexpr bool HasStatefulAllocator = true;
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using Allocator = A;
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static void *AllocateAligned(Allocator *allocator, size_t size, size_t align) {
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AMS_UNUSED(align);
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return allocator->Allocate(size);
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}
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static void DeallocateAligned(Allocator *allocator, void *ptr, size_t size, size_t align) {
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AMS_UNUSED(align);
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allocator->Deallocate(ptr, size);
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}
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};
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template<typename T>
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concept IsStatefulPolicy = T::HasStatefulAllocator;
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}
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