1 /*
2  * Copyright (c) 2024 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "resource_handle_impl.h"
17 
18 #include "device/gpu_resource_handle_util.h"
19 
RENDER_BEGIN_NAMESPACE()20 RENDER_BEGIN_NAMESPACE()
21 void RenderReferenceCounter::Ref()
22 {
23     refcnt_.fetch_add(1, std::memory_order_relaxed);
24 }
25 
Unref()26 void RenderReferenceCounter::Unref()
27 {
28     if (std::atomic_fetch_sub_explicit(&refcnt_, 1, std::memory_order_release) == 1) {
29         std::atomic_thread_fence(std::memory_order_acquire);
30         delete this;
31     }
32 }
33 
GetRefCount() const34 int32_t RenderReferenceCounter::GetRefCount() const
35 {
36     return refcnt_.load();
37 }
38 RENDER_END_NAMESPACE()
39