| /* |
| * 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_DEFERRED_DISPLAY_LIST_H |
| #define ANDROID_HWUI_DEFERRED_DISPLAY_LIST_H |
| |
| #include <utils/Errors.h> |
| #include <utils/Vector.h> |
| |
| #include "Matrix.h" |
| #include "Rect.h" |
| |
| namespace android { |
| namespace uirenderer { |
| |
| class ClipOp; |
| class DrawOp; |
| class SaveOp; |
| class SaveLayerOp; |
| class StateOp; |
| class DrawOpBatch; |
| class OpenGLRenderer; |
| |
| class DeferredDisplayList { |
| public: |
| DeferredDisplayList() { clear(); } |
| ~DeferredDisplayList() { clear(); } |
| |
| enum OpBatchId { |
| kOpBatch_None = -1, // Don't batch |
| kOpBatch_Bitmap, |
| kOpBatch_Patch, |
| kOpBatch_AlphaVertices, |
| kOpBatch_Vertices, |
| kOpBatch_AlphaMaskTexture, |
| kOpBatch_Text, |
| kOpBatch_ColorText, |
| |
| kOpBatch_Count, // Add other batch ids before this |
| }; |
| |
| bool isEmpty() { return mBatches.isEmpty(); } |
| |
| /** |
| * Plays back all of the draw ops recorded into batches to the renderer. |
| * Adjusts the state of the renderer as necessary, and restores it when complete |
| */ |
| status_t flush(OpenGLRenderer& renderer, Rect& dirty); |
| |
| void addClip(OpenGLRenderer& renderer, ClipOp* op); |
| void addSaveLayer(OpenGLRenderer& renderer, SaveLayerOp* op, int newSaveCount); |
| void addSave(OpenGLRenderer& renderer, SaveOp* op, int newSaveCount); |
| void addRestoreToCount(OpenGLRenderer& renderer, int newSaveCount); |
| |
| /** |
| * Add a draw op into the DeferredDisplayList, reordering as needed (for performance) if |
| * disallowReorder is false, respecting draw order when overlaps occur |
| */ |
| void addDrawOp(OpenGLRenderer& renderer, DrawOp* op); |
| |
| private: |
| /** |
| * Resets the batching back-pointers, creating a barrier in the operation stream so that no ops |
| * added in the future will be inserted into a batch that already exist. |
| */ |
| void resetBatchingState(); |
| |
| void clear(); |
| |
| void storeStateOpBarrier(OpenGLRenderer& renderer, StateOp* op); |
| void storeRestoreToCountBarrier(int newSaveCount); |
| |
| bool recordingComplexClip() const { return mComplexClipStackStart >= 0; } |
| |
| int getStateOpDeferFlags() const; |
| int getDrawOpDeferFlags() const; |
| |
| /** |
| * At defer time, stores the *defer time* savecount of save/saveLayer ops that were deferred, so |
| * that when an associated restoreToCount is deferred, it can be recorded as a |
| * RestoreToCountBatch |
| */ |
| Vector<int> mSaveStack; |
| int mComplexClipStackStart; |
| |
| Vector<DrawOpBatch*> mBatches; |
| int mBatchIndices[kOpBatch_Count]; |
| }; |
| |
| }; // namespace uirenderer |
| }; // namespace android |
| |
| #endif // ANDROID_HWUI_DEFERRED_DISPLAY_LIST_H |