| /* |
| * Copyright (C) 2010 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. |
| */ |
| |
| #define LOG_TAG "OpenGLRenderer" |
| |
| #include <utils/threads.h> |
| |
| #include "PathCache.h" |
| #include "Properties.h" |
| |
| namespace android { |
| namespace uirenderer { |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Path cache |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| PathCache::PathCache(): ShapeCache<PathCacheEntry>("path", |
| PROPERTY_PATH_CACHE_SIZE, DEFAULT_PATH_CACHE_SIZE) { |
| } |
| |
| void PathCache::remove(SkPath* path) { |
| // TODO: Linear search... |
| Vector<size_t> pathsToRemove; |
| for (size_t i = 0; i < mCache.size(); i++) { |
| if (mCache.getKeyAt(i).path == path) { |
| pathsToRemove.push(i); |
| removeTexture(mCache.getValueAt(i)); |
| } |
| } |
| |
| mCache.setOnEntryRemovedListener(NULL); |
| for (size_t i = 0; i < pathsToRemove.size(); i++) { |
| // This will work because pathsToRemove is sorted |
| // and because the cache is a sorted keyed vector |
| mCache.removeAt(pathsToRemove.itemAt(i) - i); |
| } |
| mCache.setOnEntryRemovedListener(this); |
| } |
| |
| void PathCache::removeDeferred(SkPath* path) { |
| Mutex::Autolock _l(mLock); |
| mGarbage.push(path); |
| } |
| |
| void PathCache::clearGarbage() { |
| Mutex::Autolock _l(mLock); |
| size_t count = mGarbage.size(); |
| for (size_t i = 0; i < count; i++) { |
| remove(mGarbage.itemAt(i)); |
| } |
| mGarbage.clear(); |
| } |
| |
| PathTexture* PathCache::get(SkPath* path, SkPaint* paint) { |
| PathCacheEntry entry(path, paint); |
| PathTexture* texture = mCache.get(entry); |
| |
| if (!texture) { |
| texture = addTexture(entry, path, paint); |
| } else if (path->getGenerationID() != texture->generation) { |
| mCache.remove(entry); |
| texture = addTexture(entry, path, paint); |
| } |
| |
| return texture; |
| } |
| |
| }; // namespace uirenderer |
| }; // namespace android |