| Adam Lesinski | 4452e13 | 2016-10-12 07:47:28 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2016 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 ANDROIDFW_ATTRIBUTERESOLUTION_H |
| 18 | #define ANDROIDFW_ATTRIBUTERESOLUTION_H |
| 19 | |
| 20 | #include <androidfw/ResourceTypes.h> |
| 21 | |
| 22 | namespace android { |
| 23 | |
| 24 | // These are all variations of the same method. They each perform the exact same operation, |
| 25 | // but on various data sources. I *think* they are re-written to avoid an extra branch |
| 26 | // in the inner loop, but after one branch miss (some pointer != null), the branch predictor should |
| 27 | // predict the rest of the iterations' branch correctly. |
| 28 | // TODO(adamlesinski): Run performance tests against these methods and a new, single method |
| 29 | // that uses all the sources and branches to the right ones within the inner loop. |
| 30 | |
| 31 | bool resolveAttrs(ResTable::Theme* theme, |
| 32 | uint32_t defStyleAttr, |
| 33 | uint32_t defStyleRes, |
| 34 | uint32_t* srcValues, size_t srcValuesLength, |
| 35 | uint32_t* attrs, size_t attrsLength, |
| 36 | uint32_t* outValues, |
| 37 | uint32_t* outIndices); |
| 38 | |
| 39 | bool applyStyle(ResTable::Theme* theme, ResXMLParser* xmlParser, |
| 40 | uint32_t defStyleAttr, |
| 41 | uint32_t defStyleRes, |
| 42 | uint32_t* attrs, size_t attrsLength, |
| 43 | uint32_t* outValues, |
| 44 | uint32_t* outIndices); |
| 45 | |
| 46 | bool retrieveAttributes(const ResTable* res, ResXMLParser* xmlParser, |
| 47 | uint32_t* attrs, size_t attrsLength, |
| 48 | uint32_t* outValues, |
| 49 | uint32_t* outIndices); |
| 50 | |
| 51 | } // namespace android |
| 52 | |
| 53 | #endif /* ANDROIDFW_ATTRIBUTERESOLUTION_H */ |