diff options
Diffstat (limited to 'services/surfaceflinger/BufferStateLayerCache.cpp')
-rw-r--r-- | services/surfaceflinger/BufferStateLayerCache.cpp | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/services/surfaceflinger/BufferStateLayerCache.cpp b/services/surfaceflinger/BufferStateLayerCache.cpp deleted file mode 100644 index 51ca45c53a..0000000000 --- a/services/surfaceflinger/BufferStateLayerCache.cpp +++ /dev/null @@ -1,113 +0,0 @@ -/* - * Copyright 2019 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_NDEBUG 0 -#undef LOG_TAG -#define LOG_TAG "BufferStateLayerCache" -#define ATRACE_TAG ATRACE_TAG_GRAPHICS - -#include <cinttypes> - -#include "BufferStateLayerCache.h" - -namespace android { - -ANDROID_SINGLETON_STATIC_INSTANCE(BufferStateLayerCache); - -BufferStateLayerCache::BufferStateLayerCache() : mDeathRecipient(new CacheDeathRecipient) {} - -void BufferStateLayerCache::add(const sp<IBinder>& processToken, uint64_t id, - const sp<GraphicBuffer>& buffer) { - if (!processToken) { - ALOGE("failed to cache buffer: invalid process token"); - return; - } - - if (!buffer) { - ALOGE("failed to cache buffer: invalid buffer"); - return; - } - - std::lock_guard lock(mMutex); - - // If this is a new process token, set a death recipient. If the client process dies, we will - // get a callback through binderDied. - if (mBuffers.find(processToken) == mBuffers.end()) { - status_t err = processToken->linkToDeath(mDeathRecipient); - if (err != NO_ERROR) { - ALOGE("failed to cache buffer: could not link to death"); - return; - } - } - - auto& processBuffers = mBuffers[processToken]; - - if (processBuffers.size() > BUFFER_CACHE_MAX_SIZE) { - ALOGE("failed to cache buffer: cache is full"); - return; - } - - processBuffers[id] = buffer; -} - -void BufferStateLayerCache::erase(const sp<IBinder>& processToken, uint64_t id) { - if (!processToken) { - ALOGE("failed to uncache buffer: invalid process token"); - return; - } - - std::lock_guard lock(mMutex); - - if (mBuffers.find(processToken) == mBuffers.end()) { - ALOGE("failed to uncache buffer: process token not found"); - return; - } - - auto& processBuffers = mBuffers[processToken]; - processBuffers.erase(id); -} - -sp<GraphicBuffer> BufferStateLayerCache::get(const sp<IBinder>& processToken, uint64_t id) { - if (!processToken) { - ALOGE("failed to cache buffer: invalid process token"); - return nullptr; - } - - std::lock_guard lock(mMutex); - auto itr = mBuffers.find(processToken); - if (itr == mBuffers.end()) { - ALOGE("failed to get buffer: process token not found"); - return nullptr; - } - - if (itr->second.find(id) == itr->second.end()) { - ALOGE("failed to get buffer: buffer not found"); - return nullptr; - } - - return itr->second[id]; -} - -void BufferStateLayerCache::removeProcess(const wp<IBinder>& processToken) { - std::lock_guard lock(mMutex); - mBuffers.erase(processToken); -} - -void BufferStateLayerCache::CacheDeathRecipient::binderDied(const wp<IBinder>& who) { - BufferStateLayerCache::getInstance().removeProcess(who); -} - -}; // namespace android |