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 "render_data_store_default_scene.h"
17
18 #include <cstdint>
19
20 #include <3d/render/intf_render_data_store_default_scene.h>
21 #include <base/containers/string.h>
22 #include <base/containers/string_view.h>
23
24 CORE3D_BEGIN_NAMESPACE()
25 using namespace BASE_NS;
26 using namespace RENDER_NS;
27
RenderDataStoreDefaultScene(const string_view name)28 RenderDataStoreDefaultScene::RenderDataStoreDefaultScene(const string_view name) : name_(name) {}
29
PostRender()30 void RenderDataStoreDefaultScene::PostRender()
31 {
32 Clear();
33 }
34
Clear()35 void RenderDataStoreDefaultScene::Clear()
36 {
37 scenes_.clear();
38 nameToScene_.clear();
39 nextId = 0;
40 }
41
Ref()42 void RenderDataStoreDefaultScene::Ref()
43 {
44 refcnt_.fetch_add(1, std::memory_order_relaxed);
45 }
46
Unref()47 void RenderDataStoreDefaultScene::Unref()
48 {
49 if (std::atomic_fetch_sub_explicit(&refcnt_, 1, std::memory_order_release) == 1) {
50 std::atomic_thread_fence(std::memory_order_acquire);
51 delete this;
52 }
53 }
54
GetRefCount()55 int32_t RenderDataStoreDefaultScene::GetRefCount()
56 {
57 return refcnt_;
58 }
59
SetScene(const RenderScene & renderScene)60 void RenderDataStoreDefaultScene::SetScene(const RenderScene& renderScene)
61 {
62 const size_t arrIdx = scenes_.size();
63 scenes_.push_back(renderScene);
64 if (renderScene.name.empty()) {
65 nameToScene_[to_string(nextId++)] = arrIdx;
66 } else {
67 nameToScene_[renderScene.name] = arrIdx;
68 }
69 }
70
GetScene(const string_view name) const71 RenderScene RenderDataStoreDefaultScene::GetScene(const string_view name) const
72 {
73 if (const auto iter = nameToScene_.find(name); iter != nameToScene_.cend()) {
74 CORE_ASSERT(iter->second < scenes_.size());
75 return scenes_[iter->second];
76 } else {
77 return {};
78 }
79 }
80
GetScene() const81 RenderScene RenderDataStoreDefaultScene::GetScene() const
82 {
83 if (!scenes_.empty()) {
84 return scenes_[0];
85 } else {
86 return {};
87 }
88 }
89
90 // for plugin / factory interface
Create(IRenderContext &,char const * name)91 refcnt_ptr<IRenderDataStore> RenderDataStoreDefaultScene::Create(IRenderContext&, char const* name)
92 {
93 // device not needed
94 return refcnt_ptr<IRenderDataStore>(new RenderDataStoreDefaultScene(name));
95 }
96 CORE3D_END_NAMESPACE()
97