| /* |
| * Copyright (C) 2015 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_OP_REORDERER_H |
| #define ANDROID_HWUI_OP_REORDERER_H |
| |
| #include "BakedOpState.h" |
| #include "CanvasState.h" |
| #include "DisplayList.h" |
| #include "RecordedOp.h" |
| |
| #include <vector> |
| #include <unordered_map> |
| |
| namespace android { |
| namespace uirenderer { |
| |
| class BakedOpState; |
| class BatchBase; |
| class MergingOpBatch; |
| class OpBatch; |
| class Rect; |
| |
| typedef int batchid_t; |
| typedef const void* mergeid_t; |
| |
| namespace OpBatchType { |
| enum { |
| None = 0, // Don't batch |
| Bitmap, |
| Patch, |
| AlphaVertices, |
| Vertices, |
| AlphaMaskTexture, |
| Text, |
| ColorText, |
| |
| Count // must be last |
| }; |
| } |
| |
| class OpReorderer { |
| public: |
| OpReorderer(); |
| |
| // TODO: not final, just presented this way for simplicity. Layers too? |
| void defer(int viewportWidth, int viewportHeight, const std::vector< sp<RenderNode> >& nodes); |
| |
| void defer(int viewportWidth, int viewportHeight, |
| const std::vector<DisplayListData::Chunk>& chunks, const std::vector<RecordedOp*>& ops); |
| typedef std::function<void(void*, const RecordedOp&, const BakedOpState&)> BakedOpReceiver; |
| |
| /** |
| * replayBakedOps() is templated based on what class will recieve ops being replayed. |
| * |
| * It constructs a lookup array of lambdas, which allows a recorded BakeOpState to use |
| * state->op->opId to lookup a receiver that will be called when the op is replayed. |
| * |
| * For example a BitmapOp would resolve, via the lambda lookup, to calling: |
| * |
| * StaticReceiver::onBitmapOp(Arg* arg, const BitmapOp& op, const BakedOpState& state); |
| */ |
| #define BAKED_OP_RECEIVER(Type) \ |
| [](void* internalArg, const RecordedOp& op, const BakedOpState& state) { \ |
| StaticReceiver::on##Type(static_cast<Arg*>(internalArg), static_cast<const Type&>(op), state); \ |
| }, |
| template <typename StaticReceiver, typename Arg> |
| void replayBakedOps(Arg* arg) { |
| static BakedOpReceiver receivers[] = { |
| MAP_OPS(BAKED_OP_RECEIVER) |
| }; |
| StaticReceiver::startFrame(*arg); |
| replayBakedOpsImpl((void*)arg, receivers); |
| StaticReceiver::endFrame(*arg); |
| } |
| private: |
| BakedOpState* bakeOpState(const RecordedOp& recordedOp); |
| |
| void deferImpl(const std::vector<DisplayListData::Chunk>& chunks, |
| const std::vector<RecordedOp*>& ops); |
| |
| void replayBakedOpsImpl(void* arg, BakedOpReceiver* receivers); |
| |
| /** |
| * Declares all OpReorderer::onXXXXOp() methods for every RecordedOp type. |
| * |
| * These private methods are called from within deferImpl to defer each individual op |
| * type differently. |
| */ |
| #define INTERNAL_OP_HANDLER(Type) \ |
| void on##Type(const Type& op); |
| MAP_OPS(INTERNAL_OP_HANDLER) |
| |
| // iterate back toward target to see if anything drawn since should overlap the new op |
| // if no target, merging ops still iterate to find similar batch to insert after |
| void locateInsertIndex(int batchId, const Rect& clippedBounds, |
| BatchBase** targetBatch, size_t* insertBatchIndex) const; |
| |
| void deferUnmergeableOp(BakedOpState* op, batchid_t batchId); |
| |
| // insertion point of a new batch, will hopefully be immediately after similar batch |
| // (generally, should be similar shader) |
| void deferMergeableOp(BakedOpState* op, batchid_t batchId, mergeid_t mergeId); |
| |
| void dump(); |
| |
| std::vector<BatchBase*> mBatches; |
| |
| /** |
| * Maps the mergeid_t returned by an op's getMergeId() to the most recently seen |
| * MergingDrawBatch of that id. These ids are unique per draw type and guaranteed to not |
| * collide, which avoids the need to resolve mergeid collisions. |
| */ |
| std::unordered_map<mergeid_t, MergingOpBatch*> mMergingBatches[OpBatchType::Count]; |
| |
| // Maps batch ids to the most recent *non-merging* batch of that id |
| OpBatch* mBatchLookup[OpBatchType::Count] = { nullptr }; |
| CanvasState mCanvasState; |
| |
| // contains ResolvedOps and Batches |
| LinearAllocator mAllocator; |
| |
| size_t mEarliestBatchIndex = 0; |
| }; |
| |
| }; // namespace uirenderer |
| }; // namespace android |
| |
| #endif // ANDROID_HWUI_OP_REORDERER_H |