Romain Guy | 7fbcc04 | 2010-08-04 15:40:07 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 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 | #define LOG_TAG "OpenGLRenderer" |
| 18 | |
Romain Guy | a2341a9 | 2010-09-08 18:04:33 -0700 | [diff] [blame] | 19 | #include <utils/threads.h> |
| 20 | |
Romain Guy | 7fbcc04 | 2010-08-04 15:40:07 -0700 | [diff] [blame] | 21 | #include "PathCache.h" |
Romain Guy | fb8b763 | 2010-08-23 21:05:08 -0700 | [diff] [blame] | 22 | #include "Properties.h" |
Romain Guy | 7fbcc04 | 2010-08-04 15:40:07 -0700 | [diff] [blame] | 23 | |
| 24 | namespace android { |
| 25 | namespace uirenderer { |
| 26 | |
Romain Guy | 33f6beb | 2012-02-16 19:24:51 -0800 | [diff] [blame] | 27 | // Defined in ShapeCache.h |
| 28 | void computePathBounds(const SkPath *path, const SkPaint* paint, |
| 29 | float& left, float& top, float& offset, uint32_t& width, uint32_t& height) { |
| 30 | const SkRect& bounds = path->getBounds(); |
| 31 | |
| 32 | const float pathWidth = fmax(bounds.width(), 1.0f); |
| 33 | const float pathHeight = fmax(bounds.height(), 1.0f); |
| 34 | |
| 35 | left = bounds.fLeft; |
| 36 | top = bounds.fTop; |
| 37 | |
| 38 | offset = (int) floorf(fmax(paint->getStrokeWidth(), 1.0f) * 1.5f + 0.5f); |
| 39 | |
| 40 | width = uint32_t(pathWidth + offset * 2.0 + 0.5); |
| 41 | height = uint32_t(pathHeight + offset * 2.0 + 0.5); |
| 42 | } |
| 43 | |
Romain Guy | 7fbcc04 | 2010-08-04 15:40:07 -0700 | [diff] [blame] | 44 | /////////////////////////////////////////////////////////////////////////////// |
Romain Guy | ff26a0c | 2011-01-20 11:35:46 -0800 | [diff] [blame] | 45 | // Path cache |
Romain Guy | 7fbcc04 | 2010-08-04 15:40:07 -0700 | [diff] [blame] | 46 | /////////////////////////////////////////////////////////////////////////////// |
| 47 | |
Romain Guy | ff26a0c | 2011-01-20 11:35:46 -0800 | [diff] [blame] | 48 | PathCache::PathCache(): ShapeCache<PathCacheEntry>("path", |
| 49 | PROPERTY_PATH_CACHE_SIZE, DEFAULT_PATH_CACHE_SIZE) { |
Romain Guy | 7fbcc04 | 2010-08-04 15:40:07 -0700 | [diff] [blame] | 50 | } |
| 51 | |
Romain Guy | a2341a9 | 2010-09-08 18:04:33 -0700 | [diff] [blame] | 52 | void PathCache::remove(SkPath* path) { |
Romain Guy | a2341a9 | 2010-09-08 18:04:33 -0700 | [diff] [blame] | 53 | // TODO: Linear search... |
Jeff Brown | d9e688c | 2011-11-11 15:40:13 -0800 | [diff] [blame] | 54 | Vector<size_t> pathsToRemove; |
| 55 | for (size_t i = 0; i < mCache.size(); i++) { |
Romain Guy | a2341a9 | 2010-09-08 18:04:33 -0700 | [diff] [blame] | 56 | if (mCache.getKeyAt(i).path == path) { |
Romain Guy | 9e10841 | 2010-11-09 14:35:20 -0800 | [diff] [blame] | 57 | pathsToRemove.push(i); |
Romain Guy | fe48f65 | 2010-11-11 15:36:56 -0800 | [diff] [blame] | 58 | removeTexture(mCache.getValueAt(i)); |
Romain Guy | a2341a9 | 2010-09-08 18:04:33 -0700 | [diff] [blame] | 59 | } |
| 60 | } |
Romain Guy | 9e10841 | 2010-11-09 14:35:20 -0800 | [diff] [blame] | 61 | |
Romain Guy | fe48f65 | 2010-11-11 15:36:56 -0800 | [diff] [blame] | 62 | mCache.setOnEntryRemovedListener(NULL); |
Romain Guy | 9e10841 | 2010-11-09 14:35:20 -0800 | [diff] [blame] | 63 | for (size_t i = 0; i < pathsToRemove.size(); i++) { |
Romain Guy | 7b8b758 | 2011-02-24 19:52:37 -0800 | [diff] [blame] | 64 | // This will work because pathsToRemove is sorted |
| 65 | // and because the cache is a sorted keyed vector |
| 66 | mCache.removeAt(pathsToRemove.itemAt(i) - i); |
Romain Guy | 9e10841 | 2010-11-09 14:35:20 -0800 | [diff] [blame] | 67 | } |
Romain Guy | fe48f65 | 2010-11-11 15:36:56 -0800 | [diff] [blame] | 68 | mCache.setOnEntryRemovedListener(this); |
| 69 | } |
| 70 | |
| 71 | void PathCache::removeDeferred(SkPath* path) { |
| 72 | Mutex::Autolock _l(mLock); |
| 73 | mGarbage.push(path); |
| 74 | } |
| 75 | |
| 76 | void PathCache::clearGarbage() { |
| 77 | Mutex::Autolock _l(mLock); |
| 78 | size_t count = mGarbage.size(); |
| 79 | for (size_t i = 0; i < count; i++) { |
| 80 | remove(mGarbage.itemAt(i)); |
| 81 | } |
| 82 | mGarbage.clear(); |
Romain Guy | a2341a9 | 2010-09-08 18:04:33 -0700 | [diff] [blame] | 83 | } |
| 84 | |
Romain Guy | 7fbcc04 | 2010-08-04 15:40:07 -0700 | [diff] [blame] | 85 | PathTexture* PathCache::get(SkPath* path, SkPaint* paint) { |
Romain Guy | 4bcb746 | 2012-02-23 17:08:38 -0800 | [diff] [blame] | 86 | const SkPath* sourcePath = path->getSourcePath(); |
| 87 | if (sourcePath && sourcePath->getGenerationID() == path->getGenerationID()) { |
| 88 | path = const_cast<SkPath*>(sourcePath); |
| 89 | } |
| 90 | |
Romain Guy | 7fbcc04 | 2010-08-04 15:40:07 -0700 | [diff] [blame] | 91 | PathCacheEntry entry(path, paint); |
| 92 | PathTexture* texture = mCache.get(entry); |
| 93 | |
Romain Guy | 33f6beb | 2012-02-16 19:24:51 -0800 | [diff] [blame] | 94 | float left, top, offset; |
| 95 | uint32_t width, height; |
| 96 | |
Romain Guy | 7fbcc04 | 2010-08-04 15:40:07 -0700 | [diff] [blame] | 97 | if (!texture) { |
| 98 | texture = addTexture(entry, path, paint); |
| 99 | } else if (path->getGenerationID() != texture->generation) { |
| 100 | mCache.remove(entry); |
| 101 | texture = addTexture(entry, path, paint); |
| 102 | } |
| 103 | |
Romain Guy | 7fbcc04 | 2010-08-04 15:40:07 -0700 | [diff] [blame] | 104 | return texture; |
| 105 | } |
| 106 | |
Romain Guy | 7fbcc04 | 2010-08-04 15:40:07 -0700 | [diff] [blame] | 107 | }; // namespace uirenderer |
| 108 | }; // namespace android |