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      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 #pragma once
     17 
     18 #include <layerproto/LayerProtoHeader.h>
     19 
     20 #include <gui/LayerMetadata.h>
     21 #include <math/vec4.h>
     22 
     23 #include <memory>
     24 #include <unordered_map>
     25 #include <vector>
     26 
     27 namespace android {
     28 namespace surfaceflinger {
     29 
     30 class LayerProtoParser {
     31 public:
     32     class ActiveBuffer {
     33     public:
     34         uint32_t width;
     35         uint32_t height;
     36         uint32_t stride;
     37         int32_t format;
     38 
     39         std::string to_string() const;
     40     };
     41 
     42     class Transform {
     43     public:
     44         float dsdx;
     45         float dtdx;
     46         float dsdy;
     47         float dtdy;
     48 
     49         std::string to_string() const;
     50     };
     51 
     52     class Rect {
     53     public:
     54         int32_t left;
     55         int32_t top;
     56         int32_t right;
     57         int32_t bottom;
     58 
     59         std::string to_string() const;
     60     };
     61 
     62     class FloatRect {
     63     public:
     64         float left;
     65         float top;
     66         float right;
     67         float bottom;
     68 
     69         std::string to_string() const;
     70     };
     71 
     72     class Region {
     73     public:
     74         uint64_t id;
     75         std::vector<Rect> rects;
     76 
     77         std::string to_string(const char* what) const;
     78     };
     79 
     80     class Layer {
     81     public:
     82         int32_t id;
     83         std::string name;
     84         std::vector<Layer*> children;
     85         std::vector<Layer*> relatives;
     86         std::string type;
     87         LayerProtoParser::Region transparentRegion;
     88         LayerProtoParser::Region visibleRegion;
     89         LayerProtoParser::Region damageRegion;
     90         uint32_t layerStack;
     91         int32_t z;
     92         float2 position;
     93         float2 requestedPosition;
     94         int2 size;
     95         LayerProtoParser::Rect crop;
     96         bool isOpaque;
     97         bool invalidate;
     98         std::string dataspace;
     99         std::string pixelFormat;
    100         half4 color;
    101         half4 requestedColor;
    102         uint32_t flags;
    103         Transform transform;
    104         Transform requestedTransform;
    105         Layer* parent = 0;
    106         Layer* zOrderRelativeOf = 0;
    107         LayerProtoParser::ActiveBuffer activeBuffer;
    108         Transform bufferTransform;
    109         int32_t queuedFrames;
    110         bool refreshPending;
    111         LayerProtoParser::Rect hwcFrame;
    112         LayerProtoParser::FloatRect hwcCrop;
    113         int32_t hwcTransform;
    114         int32_t hwcCompositionType;
    115         bool isProtected;
    116         float cornerRadius;
    117         LayerMetadata metadata;
    118 
    119         std::string to_string() const;
    120     };
    121 
    122     class LayerGlobal {
    123     public:
    124         int2 resolution;
    125         std::string colorMode;
    126         std::string colorTransform;
    127         int32_t globalTransform;
    128     };
    129 
    130     class LayerTree {
    131     public:
    132         // all layers in LayersProto and in the original order
    133         std::vector<Layer> allLayers;
    134 
    135         // pointers to top-level layers in allLayers
    136         std::vector<Layer*> topLevelLayers;
    137     };
    138 
    139     static const LayerGlobal generateLayerGlobalInfo(const LayersProto& layersProto);
    140     static LayerTree generateLayerTree(const LayersProto& layersProto);
    141     static std::string layerTreeToString(const LayerTree& layerTree);
    142 
    143 private:
    144     static std::vector<Layer> generateLayerList(const LayersProto& layersProto);
    145     static LayerProtoParser::Layer generateLayer(const LayerProto& layerProto);
    146     static LayerProtoParser::Region generateRegion(const RegionProto& regionProto);
    147     static LayerProtoParser::Rect generateRect(const RectProto& rectProto);
    148     static LayerProtoParser::FloatRect generateFloatRect(const FloatRectProto& rectProto);
    149     static LayerProtoParser::Transform generateTransform(const TransformProto& transformProto);
    150     static LayerProtoParser::ActiveBuffer generateActiveBuffer(
    151             const ActiveBufferProto& activeBufferProto);
    152     static void updateChildrenAndRelative(const LayerProto& layerProto,
    153                                           std::unordered_map<int32_t, Layer*>& layerMap);
    154 
    155     static std::string layerToString(const LayerProtoParser::Layer* layer);
    156 };
    157 
    158 } // namespace surfaceflinger
    159 } // namespace android
    160