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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__RENDER_NODE_SCENE_UTIL_H
17 #define CORE__RENDER__RENDER_NODE_SCENE_UTIL_H
18 
19 #include <cstdint>
20 
21 #include <3d/render/intf_render_node_scene_util.h>
22 #include <3d/render/render_data_defines_3d.h>
23 #include <base/containers/vector.h>
24 #include <render/datastore/render_data_store_render_pods.h>
25 #include <render/device/pipeline_state_desc.h>
26 #include <render/render_data_structures.h>
27 
28 RENDER_BEGIN_NAMESPACE()
29 class IRenderNodeUtil;
30 class IRenderNodeContextManager;
31 RENDER_END_NAMESPACE()
32 
33 CORE3D_BEGIN_NAMESPACE()
34 class IRenderDataStoreDefaultMaterial;
35 class IRenderDataStoreDefaultCamera;
36 
37 /**
38 RenderNodeSceneUtil.
39 Helper class with scene util functions. The static functions are used internally and RenderNodeSceneUtilImpl implements
40 the public interface wrapper.
41 */
42 class RenderNodeSceneUtil {
43 public:
44     RenderNodeSceneUtil() = default;
45     ~RenderNodeSceneUtil() = default;
46 
47     static SceneRenderDataStores GetSceneRenderDataStores(
48         const RENDER_NS::IRenderNodeContextManager& renderNodeContextMgr,
49         const BASE_NS::string_view sceneDataStoreName);
50 
51     static RENDER_NS::ViewportDesc CreateViewportFromCamera(const RenderCamera& camera);
52     static RENDER_NS::ScissorDesc CreateScissorFromCamera(const RenderCamera& camera);
53     static void UpdateRenderPassFromCamera(const RenderCamera& camera, RENDER_NS::RenderPass& renderPass);
54     static void UpdateRenderPassFromCustomCamera(
55         const RenderCamera& camera, const bool isNamedCamera, RENDER_NS::RenderPass& renderPass);
56     static void GetRenderSlotSubmeshes(const IRenderDataStoreDefaultCamera& dataStoreCamera,
57         const IRenderDataStoreDefaultMaterial& dataStoreMaterial, const uint32_t cameraIndex,
58         const BASE_NS::array_view<const uint32_t> addCameraIndices,
59         const IRenderNodeSceneUtil::RenderSlotInfo& renderSlotInfo,
60         BASE_NS::vector<SlotSubmeshIndex>& refSubmeshIndices);
61 
62     static SceneBufferHandles GetSceneBufferHandles(
63         RENDER_NS::IRenderNodeContextManager& renderNodeContextMgr, const BASE_NS::string_view sceneName);
64     static SceneCameraBufferHandles GetSceneCameraBufferHandles(
65         RENDER_NS::IRenderNodeContextManager& renderNodeContextMgr, const BASE_NS::string_view sceneName,
66         const BASE_NS::string_view cameraName);
67     static SceneCameraImageHandles GetSceneCameraImageHandles(
68         RENDER_NS::IRenderNodeContextManager& renderNodeContextMgr, const BASE_NS::string_view sceneName,
69         const BASE_NS::string_view cameraName, const RenderCamera& camera);
70 };
71 
72 class RenderNodeSceneUtilImpl : public IRenderNodeSceneUtil {
73 public:
74     RenderNodeSceneUtilImpl() = default;
75     ~RenderNodeSceneUtilImpl() override = default;
76 
77     SceneRenderDataStores GetSceneRenderDataStores(const RENDER_NS::IRenderNodeContextManager& renderNodeContextMgr,
78         BASE_NS::string_view sceneDataStoreName) override;
79     RENDER_NS::ViewportDesc CreateViewportFromCamera(const RenderCamera& camera) override;
80     RENDER_NS::ScissorDesc CreateScissorFromCamera(const RenderCamera& camera) override;
81     void UpdateRenderPassFromCamera(const RenderCamera& camera, RENDER_NS::RenderPass& renderPass) override;
82     void UpdateRenderPassFromCustomCamera(
83         const RenderCamera& camera, bool isNamedCamera, RENDER_NS::RenderPass& renderPass) override;
84     void GetRenderSlotSubmeshes(const IRenderDataStoreDefaultCamera& dataStoreCamera,
85         const IRenderDataStoreDefaultMaterial& dataStoreMaterial, uint32_t cameraIndex,
86         const RenderSlotInfo& renderSlotInfo, BASE_NS::vector<SlotSubmeshIndex>& refSubmeshIndices) override;
87     void GetRenderSlotSubmeshes(const IRenderDataStoreDefaultCamera& dataStoreCamera,
88         const IRenderDataStoreDefaultMaterial& dataStoreMaterial, const uint32_t cameraIndex,
89         const BASE_NS::array_view<const uint32_t> addCameraIndices,
90         const IRenderNodeSceneUtil::RenderSlotInfo& renderSlotInfo,
91         BASE_NS::vector<SlotSubmeshIndex>& refSubmeshIndices) override;
92 
93     SceneBufferHandles GetSceneBufferHandles(
94         RENDER_NS::IRenderNodeContextManager& renderNodeContextMgr, const BASE_NS::string_view sceneName) override;
95     SceneCameraBufferHandles GetSceneCameraBufferHandles(RENDER_NS::IRenderNodeContextManager& renderNodeContextMgr,
96         const BASE_NS::string_view sceneName, const BASE_NS::string_view cameraName) override;
97     SceneCameraImageHandles GetSceneCameraImageHandles(RENDER_NS::IRenderNodeContextManager& renderNodeContextMgr,
98         const BASE_NS::string_view sceneName, const BASE_NS::string_view cameraName,
99         const RenderCamera& camera) override;
100 
101     const IInterface* GetInterface(const BASE_NS::Uid& uid) const override;
102     IInterface* GetInterface(const BASE_NS::Uid& uid) override;
103 
104     void Ref() override;
105     void Unref() override;
106 };
107 CORE3D_END_NAMESPACE()
108 
109 #endif // CORE__RENDER__RENDER_NODE_SCENE_UTIL_H
110