1 /* 2 * Copyright (c) 2025 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 ROSEN_RENDER_SERVICE_PIPELINE_RS_OCCLUSION_NODE_H 17 #define ROSEN_RENDER_SERVICE_PIPELINE_RS_OCCLUSION_NODE_H 18 #include <cstdint> 19 #include <string> 20 #include <unordered_map> 21 #include <vector> 22 23 #include "property/rs_properties.h" 24 25 namespace OHOS { 26 namespace Rosen { 27 typedef RectT<int16_t> RectI16; 28 29 struct OcclusionCoverageInfo { 30 uint64_t id_ = 0; 31 RectI16 rect_ = RectI16(); 32 int area_ = 0; 33 }; 34 35 class RSB_EXPORT OcclusionNode : public std::enable_shared_from_this<OcclusionNode> { 36 public: OcclusionNode(NodeId id,RSRenderNodeType type)37 OcclusionNode(NodeId id, RSRenderNodeType type) : id_(id), type_(type){}; 38 OcclusionNode() = delete; GetId()39 NodeId GetId() const { 40 return id_; 41 } GetParentOcNode()42 std::weak_ptr<OcclusionNode> GetParentOcNode() const { 43 return parentOcNode_; 44 } UpdateChildrenOutOfRectInfo(bool hasChildrenOutOfRect)45 void UpdateChildrenOutOfRectInfo(bool hasChildrenOutOfRect) { 46 hasChildrenOutOfRect_ = hasChildrenOutOfRect; 47 } MarkAsRootOcclusionNode()48 void MarkAsRootOcclusionNode() { 49 isValidInCurrentFrame_ = true; 50 rootOcclusionNode_ = weak_from_this(); 51 } IsSubTreeIgnored()52 bool IsSubTreeIgnored() const { 53 return isSubTreeIgnored_; 54 } IsValid(const float value)55 bool IsValid(const float value) 56 { 57 return !std::isinf(value) && !std::isnan(value); 58 } 59 void ForwardOrderInsert(std::shared_ptr<OcclusionNode> newNode); 60 bool RemoveChild(const std::shared_ptr<OcclusionNode>& child); 61 void RemoveSubTree(std::unordered_map<NodeId, std::shared_ptr<OcclusionNode>>& occlusionNodes); 62 void CollectNodeProperties(const RSRenderNode& node); 63 void CalculateNodeAllBounds(); 64 void UpdateClipRect(const RSRenderNode& node); 65 void UpdateSubTreeProp(); 66 void DetectOcclusion(std::unordered_set<NodeId>& culledNodes, std::unordered_set<NodeId>& culledEntireSubtree, 67 std::unordered_set<NodeId>& offTreeNodes); 68 void PreorderTraversal(std::vector<std::shared_ptr<OcclusionNode>>& result); 69 std::string GetOcclusionNodeInfoString(); 70 private: 71 void CalculateDrawRect(const RSRenderNode& node, const RSProperties& renderProperties); 72 bool IsOutOfRootRect(const RectI16 &rect); 73 bool IsSubTreeShouldIgnored(const RSRenderNode& node, const RSProperties& renderProperties); IsOpaque()74 bool IsOpaque() const { 75 return isBgOpaque_ && !isAlphaNeed_; 76 } 77 OcclusionCoverageInfo DetectOcclusionInner(OcclusionCoverageInfo& globalCoverInfo, 78 std::unordered_set<NodeId>& culledNodes, std::unordered_set<NodeId>& culledEntireSubtree, 79 std::unordered_set<NodeId>& offTreeNodes); 80 void CheckNodeOcclusion(OcclusionCoverageInfo& coverageInfo, std::unordered_set<NodeId>& culledNodes); 81 void CheckNodeOcclusion(OcclusionCoverageInfo& coverageInfo, std::unordered_set<NodeId>& culledNodes, 82 std::unordered_set<NodeId>& culledEntireSubtree); 83 void UpdateCoverageInfo(OcclusionCoverageInfo& globalCoverage, OcclusionCoverageInfo& selfCoverage); 84 85 uint64_t id_ = INVALID_NODEID; 86 uint64_t occludedById_ = INVALID_NODEID; 87 RSRenderNodeType type_ = RSRenderNodeType::UNKNOW; 88 bool isSubTreeIgnored_ = false; 89 bool hasChildrenOutOfRect_ = false; 90 bool isNeedClip_ = false; 91 bool isOutOfRootRect_ = false; 92 bool isAlphaNeed_ = false; 93 bool isBgOpaque_ = false; 94 // Indicates whether the node was inserted or updated in the current frame. 95 // Nodes not inserted or updated in the current frame will be removed from the occlusion tree. 96 bool isValidInCurrentFrame_ = false; 97 98 // Spatial information 99 Vector2f localPosition_; 100 Vector2f absPositions_; 101 Vector2f localScale_ = {1.0f, 1.0f}; 102 Vector2f accumulatedScale_ = {1.0f, 1.0f}; 103 float localAlpha_ = 1.0f; 104 float accumulatedAlpha_ = 1.0f; 105 Vector4f cornerRadius_; 106 RectF drawRect_; 107 RectI16 clipOuterRect_; 108 RectI16 clipInnerRect_; 109 RectI16 outerRect_; 110 RectI16 innerRect_; 111 112 // Node relationship 113 std::weak_ptr<OcclusionNode> rootOcclusionNode_; 114 std::weak_ptr<OcclusionNode> parentOcNode_; 115 std::shared_ptr<OcclusionNode> firstChild_ = nullptr; 116 std::shared_ptr<OcclusionNode> lastChild_ = nullptr; 117 // Same-level node relationships 118 std::weak_ptr<OcclusionNode> leftSibling_; 119 std::weak_ptr<OcclusionNode> rightSibling_; 120 }; 121 122 } // namespace Rosen 123 } // namespace OHOS 124 #endif // ROSEN_RENDER_SERVICE_PIPELINE_RS_OCCLUSION_NODE_H 125