1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <layerproto/LayerProtoHeader.h> 18 #include <renderengine/ExternalTexture.h> 19 20 #include <Layer.h> 21 #include <gui/WindowInfo.h> 22 #include <math/vec4.h> 23 #include <ui/BlurRegion.h> 24 #include <ui/GraphicBuffer.h> 25 #include <ui/Rect.h> 26 #include <ui/Region.h> 27 #include <ui/Transform.h> 28 #include <cstdint> 29 30 #include "FrontEnd/DisplayInfo.h" 31 #include "FrontEnd/LayerHierarchy.h" 32 #include "FrontEnd/LayerSnapshot.h" 33 34 namespace android { 35 namespace surfaceflinger { 36 class LayerProtoHelper { 37 public: 38 static void writePositionToProto(const float x, const float y, 39 std::function<PositionProto*()> getPositionProto); 40 static void writeSizeToProto(const uint32_t w, const uint32_t h, 41 std::function<SizeProto*()> getSizeProto); 42 static void writeToProto(const Rect& rect, std::function<RectProto*()> getRectProto); 43 static void writeToProto(const Rect& rect, RectProto* rectProto); 44 static void readFromProto(const RectProto& proto, Rect& outRect); 45 static void writeToProto(const FloatRect& rect, 46 std::function<FloatRectProto*()> getFloatRectProto); 47 static void writeToProto(const Region& region, std::function<RegionProto*()> getRegionProto); 48 static void writeToProto(const Region& region, RegionProto* regionProto); 49 static void readFromProto(const RegionProto& regionProto, Region& outRegion); 50 static void writeToProto(const half4 color, std::function<ColorProto*()> getColorProto); 51 // This writeToProto for transform is incorrect, but due to backwards compatibility, we can't 52 // update Layers to use it. Use writeTransformToProto for any new transform proto data. 53 static void writeToProtoDeprecated(const ui::Transform& transform, 54 TransformProto* transformProto); 55 static void writeTransformToProto(const ui::Transform& transform, 56 TransformProto* transformProto); 57 static void writeToProto(const renderengine::ExternalTexture& buffer, 58 std::function<ActiveBufferProto*()> getActiveBufferProto); 59 static void writeToProto(const gui::WindowInfo& inputInfo, 60 const wp<Layer>& touchableRegionBounds, 61 std::function<InputWindowInfoProto*()> getInputWindowInfoProto); 62 static void writeToProto(const mat4 matrix, ColorTransformProto* colorTransformProto); 63 static void readFromProto(const ColorTransformProto& colorTransformProto, mat4& matrix); 64 static void writeToProto(const android::BlurRegion region, BlurRegion*); 65 static void readFromProto(const BlurRegion& proto, android::BlurRegion& outRegion); 66 static void writeSnapshotToProto(LayerProto* outProto, 67 const frontend::RequestedLayerState& requestedState, 68 const frontend::LayerSnapshot& snapshot, uint32_t traceFlags); 69 static google::protobuf::RepeatedPtrField<DisplayProto> writeDisplayInfoToProto( 70 const frontend::DisplayInfos&); 71 }; 72 73 class LayerProtoFromSnapshotGenerator { 74 public: LayerProtoFromSnapshotGenerator(const frontend::LayerSnapshotBuilder & snapshotBuilder,const frontend::DisplayInfos & displayInfos,const std::unordered_map<uint32_t,sp<Layer>> & legacyLayers,uint32_t traceFlags)75 LayerProtoFromSnapshotGenerator(const frontend::LayerSnapshotBuilder& snapshotBuilder, 76 const frontend::DisplayInfos& displayInfos, 77 const std::unordered_map<uint32_t, sp<Layer>>& legacyLayers, 78 uint32_t traceFlags) 79 : mSnapshotBuilder(snapshotBuilder), 80 mLegacyLayers(legacyLayers), 81 mDisplayInfos(displayInfos), 82 mTraceFlags(traceFlags) {} 83 LayersProto generate(const frontend::LayerHierarchy& root); 84 85 private: 86 void writeHierarchyToProto(const frontend::LayerHierarchy& root, 87 frontend::LayerHierarchy::TraversalPath& path); 88 frontend::LayerSnapshot* getSnapshot(frontend::LayerHierarchy::TraversalPath& path, 89 const frontend::RequestedLayerState& layer); 90 91 const frontend::LayerSnapshotBuilder& mSnapshotBuilder; 92 const std::unordered_map<uint32_t, sp<Layer>>& mLegacyLayers; 93 const frontend::DisplayInfos& mDisplayInfos; 94 uint32_t mTraceFlags; 95 LayersProto mLayersProto; 96 // winscope expects all the layers, so provide a snapshot even if it not currently drawing 97 std::unordered_map<frontend::LayerHierarchy::TraversalPath, frontend::LayerSnapshot, 98 frontend::LayerHierarchy::TraversalPathHash> 99 mDefaultSnapshots; 100 std::unordered_map<uint32_t /* child unique seq*/, uint32_t /* relative parent unique seq*/> 101 mChildToRelativeParent; 102 std::unordered_map<uint32_t /* child unique seq*/, uint32_t /* parent unique seq*/> 103 mChildToParent; 104 }; 105 106 } // namespace surfaceflinger 107 } // namespace android 108