PatchCache.cpp revision f7f93556c8fcc640ab5adef79d021a80a72a645a
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 19#include <utils/Log.h> 20#include <utils/ResourceTypes.h> 21 22#include "PatchCache.h" 23 24namespace android { 25namespace uirenderer { 26 27/////////////////////////////////////////////////////////////////////////////// 28// Constructors/destructor 29/////////////////////////////////////////////////////////////////////////////// 30 31PatchCache::PatchCache(uint32_t maxEntries): mCache(maxEntries) { 32} 33 34PatchCache::~PatchCache() { 35 clear(); 36} 37 38/////////////////////////////////////////////////////////////////////////////// 39// Callbacks 40/////////////////////////////////////////////////////////////////////////////// 41 42void PatchCache::operator()(PatchDescription& description, Patch*& mesh) { 43 if (mesh) delete mesh; 44} 45 46/////////////////////////////////////////////////////////////////////////////// 47// Caching 48/////////////////////////////////////////////////////////////////////////////// 49 50void PatchCache::clear() { 51 mCache.setOnEntryRemovedListener(this); 52 mCache.clear(); 53 mCache.setOnEntryRemovedListener(NULL); 54} 55 56Patch* PatchCache::get(const Res_png_9patch* patch) { 57 const uint32_t width = patch->numXDivs; 58 const uint32_t height = patch->numYDivs; 59 const PatchDescription description(width, height); 60 61 Patch* mesh = mCache.get(description); 62 if (!mesh) { 63 PATCH_LOGD("Creating new patch mesh, w=%d h=%d", width, height); 64 mesh = new Patch(width, height); 65 mCache.put(description, mesh); 66 } 67 68 return mesh; 69} 70 71}; // namespace uirenderer 72}; // namespace android 73