blob: b99172cb673e8eef15db486ed337677bd6c05650 [file] [log] [blame]
Chris Craikb565df12015-10-05 13:00:52 -07001/*
2 * Copyright (C) 2015 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#ifndef ANDROID_HWUI_OP_REORDERER_H
18#define ANDROID_HWUI_OP_REORDERER_H
19
20#include "BakedOpState.h"
21#include "CanvasState.h"
22#include "DisplayList.h"
23#include "RecordedOp.h"
24
25#include <vector>
26#include <unordered_map>
27
28namespace android {
29namespace uirenderer {
30
31class BakedOpState;
32class BatchBase;
33class MergingOpBatch;
34class OpBatch;
35class Rect;
36
37typedef int batchid_t;
38typedef const void* mergeid_t;
39
40namespace OpBatchType {
41 enum {
42 None = 0, // Don't batch
43 Bitmap,
44 Patch,
45 AlphaVertices,
46 Vertices,
47 AlphaMaskTexture,
48 Text,
49 ColorText,
50
51 Count // must be last
52 };
53}
54
55class OpReorderer {
56public:
57 OpReorderer();
58
59 // TODO: not final, just presented this way for simplicity. Layers too?
60 void defer(int viewportWidth, int viewportHeight, const std::vector< sp<RenderNode> >& nodes);
61
62 void defer(int viewportWidth, int viewportHeight,
63 const std::vector<DisplayListData::Chunk>& chunks, const std::vector<RecordedOp*>& ops);
64 typedef std::function<void(void*, const RecordedOp&, const BakedOpState&)> BakedOpReceiver;
65
66 /**
67 * replayBakedOps() is templated based on what class will recieve ops being replayed.
68 *
69 * It constructs a lookup array of lambdas, which allows a recorded BakeOpState to use
70 * state->op->opId to lookup a receiver that will be called when the op is replayed.
71 *
72 * For example a BitmapOp would resolve, via the lambda lookup, to calling:
73 *
74 * StaticReceiver::onBitmapOp(Arg* arg, const BitmapOp& op, const BakedOpState& state);
75 */
76#define BAKED_OP_RECEIVER(Type) \
77 [](void* internalArg, const RecordedOp& op, const BakedOpState& state) { \
78 StaticReceiver::on##Type(static_cast<Arg*>(internalArg), static_cast<const Type&>(op), state); \
79 },
80 template <typename StaticReceiver, typename Arg>
81 void replayBakedOps(Arg* arg) {
82 static BakedOpReceiver receivers[] = {
83 MAP_OPS(BAKED_OP_RECEIVER)
84 };
85 StaticReceiver::startFrame(*arg);
86 replayBakedOpsImpl((void*)arg, receivers);
87 StaticReceiver::endFrame(*arg);
88 }
89private:
90 BakedOpState* bakeOpState(const RecordedOp& recordedOp);
91
92 void deferImpl(const std::vector<DisplayListData::Chunk>& chunks,
93 const std::vector<RecordedOp*>& ops);
94
95 void replayBakedOpsImpl(void* arg, BakedOpReceiver* receivers);
96
97 /**
98 * Declares all OpReorderer::onXXXXOp() methods for every RecordedOp type.
99 *
100 * These private methods are called from within deferImpl to defer each individual op
101 * type differently.
102 */
103#define INTERNAL_OP_HANDLER(Type) \
104 void on##Type(const Type& op);
105 MAP_OPS(INTERNAL_OP_HANDLER)
106
107 // iterate back toward target to see if anything drawn since should overlap the new op
108 // if no target, merging ops still iterate to find similar batch to insert after
109 void locateInsertIndex(int batchId, const Rect& clippedBounds,
110 BatchBase** targetBatch, size_t* insertBatchIndex) const;
111
112 void deferUnmergeableOp(BakedOpState* op, batchid_t batchId);
113
114 // insertion point of a new batch, will hopefully be immediately after similar batch
115 // (generally, should be similar shader)
116 void deferMergeableOp(BakedOpState* op, batchid_t batchId, mergeid_t mergeId);
117
118 void dump();
119
120 std::vector<BatchBase*> mBatches;
121
122 /**
123 * Maps the mergeid_t returned by an op's getMergeId() to the most recently seen
124 * MergingDrawBatch of that id. These ids are unique per draw type and guaranteed to not
125 * collide, which avoids the need to resolve mergeid collisions.
126 */
127 std::unordered_map<mergeid_t, MergingOpBatch*> mMergingBatches[OpBatchType::Count];
128
129 // Maps batch ids to the most recent *non-merging* batch of that id
130 OpBatch* mBatchLookup[OpBatchType::Count] = { nullptr };
131 CanvasState mCanvasState;
132
133 // contains ResolvedOps and Batches
134 LinearAllocator mAllocator;
135
136 size_t mEarliestBatchIndex = 0;
137};
138
139}; // namespace uirenderer
140}; // namespace android
141
142#endif // ANDROID_HWUI_OP_REORDERER_H