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 #ifndef CORE__RENDER__NODE_DATA__RENDER_DATA_STORE_DEFAULT_CAMERA_H
17 #define CORE__RENDER__NODE_DATA__RENDER_DATA_STORE_DEFAULT_CAMERA_H
18 
19 #include <cstdint>
20 
21 #include <3d/render/intf_render_data_store_default_camera.h>
22 #include <3d/render/render_data_defines_3d.h>
23 #include <base/containers/array_view.h>
24 #include <base/containers/string.h>
25 #include <base/containers/string_view.h>
26 #include <base/containers/unordered_map.h>
27 #include <base/containers/vector.h>
28 #include <base/util/uid.h>
29 
30 RENDER_BEGIN_NAMESPACE()
31 class IRenderContext;
32 RENDER_END_NAMESPACE()
33 
CORE3D_BEGIN_NAMESPACE()34 CORE3D_BEGIN_NAMESPACE()
35 /**
36 RenderDataStoreDefaultCamera implementation.
37 */
38 class RenderDataStoreDefaultCamera final : public IRenderDataStoreDefaultCamera {
39 public:
40     explicit RenderDataStoreDefaultCamera(const BASE_NS::string_view name);
41     ~RenderDataStoreDefaultCamera() override = default;
42 
43     void CommitFrameData() override {};
44     void PreRender() override {};
45     // clear in post render
46     void PostRender() override;
47     void PreRenderBackend() override {};
48     void PostRenderBackend() override {};
49     void Clear() override;
50     uint32_t GetFlags() const override
51     {
52         return 0;
53     };
54 
55     void AddCamera(const RenderCamera& camera) override;
56     void AddEnvironment(const RenderCamera::Environment& environment) override;
57 
58     BASE_NS::array_view<const RenderCamera> GetCameras() const override;
59     RenderCamera GetCamera(const BASE_NS::string_view name) const override;
60     RenderCamera GetCamera(const uint64_t id) const override;
61     uint32_t GetCameraIndex(const BASE_NS::string_view name) const override;
62     uint32_t GetCameraIndex(const uint64_t id) const override;
63     uint32_t GetCameraCount() const override;
64 
65     BASE_NS::array_view<const RenderCamera::Environment> GetEnvironments() const override;
66     RenderCamera::Environment GetEnvironment(const uint64_t id) const override;
67     uint32_t GetEnvironmentCount() const override;
68 
69     // for plugin / factory interface
70     static constexpr char const* const TYPE_NAME = "RenderDataStoreDefaultCamera";
71     static RENDER_NS::IRenderDataStore* Create(RENDER_NS::IRenderContext& renderContext, char const* name);
72     static void Destroy(RENDER_NS::IRenderDataStore* instance);
73 
74     BASE_NS::string_view GetTypeName() const override
75     {
76         return TYPE_NAME;
77     }
78 
79     BASE_NS::string_view GetName() const override
80     {
81         return name_;
82     }
83 
84     const BASE_NS::Uid& GetUid() const override
85     {
86         return UID;
87     }
88 
89 private:
90     const BASE_NS::string name_;
91 
92     BASE_NS::vector<RenderCamera> cameras_;
93     BASE_NS::vector<RenderCamera::Environment> environments_;
94 };
95 CORE3D_END_NAMESPACE()
96 
97 #endif // CORE__RENDER__NODE_DATA__RENDER_DATA_STORE_DEFAULT_CAMERA_H
98