PathCache.cpp revision 4bcb7467a174ed03a67b0c62950c555813ddf00d
17fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy/* 27fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy * Copyright (C) 2010 The Android Open Source Project 37fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy * 47fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 57fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy * you may not use this file except in compliance with the License. 67fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy * You may obtain a copy of the License at 77fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy * 87fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 97fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy * 107fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy * Unless required by applicable law or agreed to in writing, software 117fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 127fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 137fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy * See the License for the specific language governing permissions and 147fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy * limitations under the License. 157fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy */ 167fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 177fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy#define LOG_TAG "OpenGLRenderer" 187fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 19a2341a9f6addcd79723965ec5b1a1c5ae0f8bd65Romain Guy#include <utils/threads.h> 20a2341a9f6addcd79723965ec5b1a1c5ae0f8bd65Romain Guy 217fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy#include "PathCache.h" 22fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy#include "Properties.h" 237fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 247fbcc0492fca03857e3c45064f4aa040af817d55Romain Guynamespace android { 257fbcc0492fca03857e3c45064f4aa040af817d55Romain Guynamespace uirenderer { 267fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2733f6beb10f98e8ba96250e284876d607055d278dRomain Guy// Defined in ShapeCache.h 2833f6beb10f98e8ba96250e284876d607055d278dRomain Guyvoid computePathBounds(const SkPath *path, const SkPaint* paint, 2933f6beb10f98e8ba96250e284876d607055d278dRomain Guy float& left, float& top, float& offset, uint32_t& width, uint32_t& height) { 3033f6beb10f98e8ba96250e284876d607055d278dRomain Guy const SkRect& bounds = path->getBounds(); 3133f6beb10f98e8ba96250e284876d607055d278dRomain Guy 3233f6beb10f98e8ba96250e284876d607055d278dRomain Guy const float pathWidth = fmax(bounds.width(), 1.0f); 3333f6beb10f98e8ba96250e284876d607055d278dRomain Guy const float pathHeight = fmax(bounds.height(), 1.0f); 3433f6beb10f98e8ba96250e284876d607055d278dRomain Guy 3533f6beb10f98e8ba96250e284876d607055d278dRomain Guy left = bounds.fLeft; 3633f6beb10f98e8ba96250e284876d607055d278dRomain Guy top = bounds.fTop; 3733f6beb10f98e8ba96250e284876d607055d278dRomain Guy 3833f6beb10f98e8ba96250e284876d607055d278dRomain Guy offset = (int) floorf(fmax(paint->getStrokeWidth(), 1.0f) * 1.5f + 0.5f); 3933f6beb10f98e8ba96250e284876d607055d278dRomain Guy 4033f6beb10f98e8ba96250e284876d607055d278dRomain Guy width = uint32_t(pathWidth + offset * 2.0 + 0.5); 4133f6beb10f98e8ba96250e284876d607055d278dRomain Guy height = uint32_t(pathHeight + offset * 2.0 + 0.5); 4233f6beb10f98e8ba96250e284876d607055d278dRomain Guy} 4333f6beb10f98e8ba96250e284876d607055d278dRomain Guy 447fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy/////////////////////////////////////////////////////////////////////////////// 45ff26a0c1c905dc1ec53b1bab860b80f2976d59beRomain Guy// Path cache 467fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy/////////////////////////////////////////////////////////////////////////////// 477fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 48ff26a0c1c905dc1ec53b1bab860b80f2976d59beRomain GuyPathCache::PathCache(): ShapeCache<PathCacheEntry>("path", 49ff26a0c1c905dc1ec53b1bab860b80f2976d59beRomain Guy PROPERTY_PATH_CACHE_SIZE, DEFAULT_PATH_CACHE_SIZE) { 507fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 517fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 52a2341a9f6addcd79723965ec5b1a1c5ae0f8bd65Romain Guyvoid PathCache::remove(SkPath* path) { 53a2341a9f6addcd79723965ec5b1a1c5ae0f8bd65Romain Guy // TODO: Linear search... 54d9e688cab3015d858110fb8240cf7378c6befd82Jeff Brown Vector<size_t> pathsToRemove; 55d9e688cab3015d858110fb8240cf7378c6befd82Jeff Brown for (size_t i = 0; i < mCache.size(); i++) { 56a2341a9f6addcd79723965ec5b1a1c5ae0f8bd65Romain Guy if (mCache.getKeyAt(i).path == path) { 579e10841c27d973b930e1b49a099c69d866659505Romain Guy pathsToRemove.push(i); 58fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy removeTexture(mCache.getValueAt(i)); 59a2341a9f6addcd79723965ec5b1a1c5ae0f8bd65Romain Guy } 60a2341a9f6addcd79723965ec5b1a1c5ae0f8bd65Romain Guy } 619e10841c27d973b930e1b49a099c69d866659505Romain Guy 62fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCache.setOnEntryRemovedListener(NULL); 639e10841c27d973b930e1b49a099c69d866659505Romain Guy for (size_t i = 0; i < pathsToRemove.size(); i++) { 647b8b75892400745f39bb8d5b5d539091bcfb1e1eRomain Guy // This will work because pathsToRemove is sorted 657b8b75892400745f39bb8d5b5d539091bcfb1e1eRomain Guy // and because the cache is a sorted keyed vector 667b8b75892400745f39bb8d5b5d539091bcfb1e1eRomain Guy mCache.removeAt(pathsToRemove.itemAt(i) - i); 679e10841c27d973b930e1b49a099c69d866659505Romain Guy } 68fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCache.setOnEntryRemovedListener(this); 69fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy} 70fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 71fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guyvoid PathCache::removeDeferred(SkPath* path) { 72fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy Mutex::Autolock _l(mLock); 73fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mGarbage.push(path); 74fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy} 75fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 76fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guyvoid PathCache::clearGarbage() { 77fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy Mutex::Autolock _l(mLock); 78fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy size_t count = mGarbage.size(); 79fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy for (size_t i = 0; i < count; i++) { 80fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy remove(mGarbage.itemAt(i)); 81fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy } 82fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mGarbage.clear(); 83a2341a9f6addcd79723965ec5b1a1c5ae0f8bd65Romain Guy} 84a2341a9f6addcd79723965ec5b1a1c5ae0f8bd65Romain Guy 857fbcc0492fca03857e3c45064f4aa040af817d55Romain GuyPathTexture* PathCache::get(SkPath* path, SkPaint* paint) { 864bcb7467a174ed03a67b0c62950c555813ddf00dRomain Guy const SkPath* sourcePath = path->getSourcePath(); 874bcb7467a174ed03a67b0c62950c555813ddf00dRomain Guy if (sourcePath && sourcePath->getGenerationID() == path->getGenerationID()) { 884bcb7467a174ed03a67b0c62950c555813ddf00dRomain Guy path = const_cast<SkPath*>(sourcePath); 894bcb7467a174ed03a67b0c62950c555813ddf00dRomain Guy } 904bcb7467a174ed03a67b0c62950c555813ddf00dRomain Guy 917fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy PathCacheEntry entry(path, paint); 927fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy PathTexture* texture = mCache.get(entry); 937fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 9433f6beb10f98e8ba96250e284876d607055d278dRomain Guy float left, top, offset; 9533f6beb10f98e8ba96250e284876d607055d278dRomain Guy uint32_t width, height; 9633f6beb10f98e8ba96250e284876d607055d278dRomain Guy 977fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy if (!texture) { 987fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy texture = addTexture(entry, path, paint); 997fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy } else if (path->getGenerationID() != texture->generation) { 1007fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy mCache.remove(entry); 1017fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy texture = addTexture(entry, path, paint); 1027fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy } 1037fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 1047fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy return texture; 1057fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 1067fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 1077fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy}; // namespace uirenderer 1087fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy}; // namespace android 109