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Diffstat (limited to 'thirdparty/oidn/common/ref.h')
-rw-r--r-- | thirdparty/oidn/common/ref.h | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/thirdparty/oidn/common/ref.h b/thirdparty/oidn/common/ref.h deleted file mode 100644 index de44603af2..0000000000 --- a/thirdparty/oidn/common/ref.h +++ /dev/null @@ -1,163 +0,0 @@ -// ======================================================================== // -// Copyright 2009-2019 Intel Corporation // -// // -// 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. // -// ======================================================================== // - -#pragma once - -#include "platform.h" - -namespace oidn { - - class RefCount - { - private: - std::atomic<size_t> count; - - public: - __forceinline RefCount(int count = 0) noexcept : count(count) {} - - __forceinline size_t incRef() noexcept - { - return count.fetch_add(1) + 1; - } - - __forceinline size_t decRef() - { - const size_t newCount = decRefKeep(); - if (newCount == 0) - destroy(); - return newCount; - } - - __forceinline size_t decRefKeep() noexcept - { - return count.fetch_add(-1) - 1; - } - - __forceinline void destroy() - { - delete this; - } - - protected: - // Disable copying - RefCount(const RefCount&) = delete; - RefCount& operator =(const RefCount&) = delete; - - virtual ~RefCount() noexcept = default; - }; - - template<typename T> - class Ref - { - private: - T* ptr; - - public: - __forceinline Ref() noexcept : ptr(nullptr) {} - __forceinline Ref(std::nullptr_t) noexcept : ptr(nullptr) {} - __forceinline Ref(const Ref& other) noexcept : ptr(other.ptr) { if (ptr) ptr->incRef(); } - __forceinline Ref(Ref&& other) noexcept : ptr(other.ptr) { other.ptr = nullptr; } - __forceinline Ref(T* ptr) noexcept : ptr(ptr) { if (ptr) ptr->incRef(); } - - template<typename Y> - __forceinline Ref(const Ref<Y>& other) noexcept : ptr(other.get()) { if (ptr) ptr->incRef(); } - - template<typename Y> - __forceinline explicit Ref(Y* ptr) noexcept : ptr(ptr) { if (ptr) ptr->incRef(); } - - __forceinline ~Ref() { if (ptr) ptr->decRef(); } - - __forceinline Ref& operator =(const Ref& other) - { - if (other.ptr) - other.ptr->incRef(); - if (ptr) - ptr->decRef(); - ptr = other.ptr; - return *this; - } - - __forceinline Ref& operator =(Ref&& other) - { - if (ptr) - ptr->decRef(); - ptr = other.ptr; - other.ptr = nullptr; - return *this; - } - - __forceinline Ref& operator =(T* other) - { - if (other) - other->incRef(); - if (ptr) - ptr->decRef(); - ptr = other; - return *this; - } - - __forceinline Ref& operator =(std::nullptr_t) - { - if (ptr) - ptr->decRef(); - ptr = nullptr; - return *this; - } - - __forceinline operator bool() const noexcept { return ptr != nullptr; } - - __forceinline T& operator *() const noexcept { return *ptr; } - __forceinline T* operator ->() const noexcept { return ptr; } - - __forceinline T* get() const noexcept { return ptr; } - - __forceinline T* detach() noexcept - { - T* res = ptr; - ptr = nullptr; - return res; - } - }; - - template<typename T> __forceinline bool operator < (const Ref<T>& a, const Ref<T>& b) noexcept { return a.ptr < b.ptr; } - - template<typename T> __forceinline bool operator ==(const Ref<T>& a, std::nullptr_t) noexcept { return a.ptr == nullptr; } - template<typename T> __forceinline bool operator ==(std::nullptr_t, const Ref<T>& b) noexcept { return nullptr == b.ptr; } - template<typename T> __forceinline bool operator ==(const Ref<T>& a, const Ref<T>& b) noexcept { return a.ptr == b.ptr; } - - template<typename T> __forceinline bool operator !=(const Ref<T>& a, std::nullptr_t) noexcept { return a.ptr != nullptr; } - template<typename T> __forceinline bool operator !=(std::nullptr_t, const Ref<T>& b) noexcept { return nullptr != b.ptr; } - template<typename T> __forceinline bool operator !=(const Ref<T>& a, const Ref<T>& b) noexcept { return a.ptr != b.ptr; } - - template<typename T, typename... Args> - __forceinline Ref<T> makeRef(Args&&... args) - { - return Ref<T>(new T(std::forward<Args>(args)...)); - } - - template<typename T, typename Y> - __forceinline Ref<Y> staticRefCast(const Ref<T>& a) - { - return Ref<Y>(static_cast<Y*>(a.get())); - } - - template<typename T, typename Y> - __forceinline Ref<Y> dynamicRefCast(const Ref<T>& a) - { - return Ref<Y>(dynamic_cast<Y*>(a.get())); - } - -} // namespace oidn |