summaryrefslogtreecommitdiffstats
path: root/libs/hwui/DisplayList.h
blob: 7fbda1f6b1925d30f5e36ba6bb59f43d62e03b51 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
/*
 * Copyright (C) 2013 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef ANDROID_HWUI_DISPLAY_LIST_H
#define ANDROID_HWUI_DISPLAY_LIST_H

#ifndef LOG_TAG
    #define LOG_TAG "OpenGLRenderer"
#endif

#include <SkCamera.h>
#include <SkMatrix.h>

#include <private/hwui/DrawGlInfo.h>

#include <utils/KeyedVector.h>
#include <utils/LinearAllocator.h>
#include <utils/RefBase.h>
#include <utils/SortedVector.h>
#include <utils/String8.h>
#include <utils/Vector.h>

#include <cutils/compiler.h>

#include <androidfw/ResourceTypes.h>

#include "Debug.h"
#include "CanvasProperty.h"
#include "DeferredDisplayList.h"
#include "Matrix.h"
#include "RenderProperties.h"

class SkBitmap;
class SkPaint;
class SkPath;
class SkRegion;

namespace android {
namespace uirenderer {

class DeferredDisplayList;
class DisplayListOp;
class DisplayListCanvas;
class OpenGLRenderer;
class Rect;
class Layer;

class ClipRectOp;
class SaveLayerOp;
class SaveOp;
class RestoreToCountOp;
class DrawRenderNodeOp;

/**
 * Holds data used in the playback a tree of DisplayLists.
 */
struct PlaybackStateStruct {
protected:
    PlaybackStateStruct(OpenGLRenderer& renderer, int replayFlags, LinearAllocator* allocator)
            : mRenderer(renderer)
            , mReplayFlags(replayFlags)
            , mAllocator(allocator) {}

public:
    OpenGLRenderer& mRenderer;
    const int mReplayFlags;

    // Allocator with the lifetime of a single frame. replay uses an Allocator owned by the struct,
    // while defer shares the DeferredDisplayList's Allocator
    // TODO: move this allocator to be owned by object with clear frame lifecycle
    LinearAllocator * const mAllocator;

    SkPath* allocPathForFrame() {
        return mRenderer.allocPathForFrame();
    }
};

struct DeferStateStruct : public PlaybackStateStruct {
    DeferStateStruct(DeferredDisplayList& deferredList, OpenGLRenderer& renderer, int replayFlags)
            : PlaybackStateStruct(renderer, replayFlags, &(deferredList.mAllocator)),
            mDeferredList(deferredList) {}

    DeferredDisplayList& mDeferredList;
};

struct ReplayStateStruct : public PlaybackStateStruct {
    ReplayStateStruct(OpenGLRenderer& renderer, Rect& dirty, int replayFlags)
            : PlaybackStateStruct(renderer, replayFlags, &mReplayAllocator),
            mDirty(dirty) {}

    Rect& mDirty;
    LinearAllocator mReplayAllocator;
};

/**
 * Data structure that holds the list of commands used in display list stream
 */
class DisplayListData {
    friend class DisplayListCanvas;
public:
    struct Chunk {
        // range of included ops in DLD::displayListOps
        size_t beginOpIndex;
        size_t endOpIndex;

        // range of included children in DLD::mChildren
        size_t beginChildIndex;
        size_t endChildIndex;

        // whether children with non-zero Z in the chunk should be reordered
        bool reorderChildren;
    };

    DisplayListData();
    ~DisplayListData();

    // pointers to all ops within display list, pointing into allocator data
    Vector<DisplayListOp*> displayListOps;

    // index of DisplayListOp restore, after which projected descendents should be drawn
    int projectionReceiveIndex;

    Vector<const SkBitmap*> bitmapResources;
    Vector<const SkPath*> pathResources;
    Vector<const Res_png_9patch*> patchResources;

    std::vector<std::unique_ptr<const SkPaint>> paints;
    std::vector<std::unique_ptr<const SkRegion>> regions;
    Vector<Functor*> functors;

    const Vector<Chunk>& getChunks() const {
        return chunks;
    }

    size_t addChild(DrawRenderNodeOp* childOp);
    const Vector<DrawRenderNodeOp*>& children() { return mChildren; }

    void ref(VirtualLightRefBase* prop) {
        mReferenceHolders.push(prop);
    }

    size_t getUsedSize() {
        return allocator.usedSize();
    }
    bool isEmpty() {
        return !hasDrawOps;
    }

private:
    Vector< sp<VirtualLightRefBase> > mReferenceHolders;

    // list of children display lists for quick, non-drawing traversal
    Vector<DrawRenderNodeOp*> mChildren;

    Vector<Chunk> chunks;

    // allocator into which all ops were allocated
    LinearAllocator allocator;
    bool hasDrawOps;

    void cleanupResources();
};

}; // namespace uirenderer
}; // namespace android

#endif // ANDROID_HWUI_OPENGL_RENDERER_H