/* * Copyright (C) 2012 The Android Open Source Project * Copyright (C) 2013 Mozilla Foundation * * 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 #define LOG_TAG "GonkNativeWindow" #define ATRACE_TAG ATRACE_TAG_GRAPHICS #include <utils/Log.h> #include "GonkNativeWindowKK.h" #include "GrallocImages.h" using namespace mozilla; using namespace mozilla::layers; namespace android { GonkNativeWindow::GonkNativeWindow(int bufferCount) : GonkConsumerBase(new GonkBufferQueue(true), false), mNewFrameCallback(nullptr) { mConsumer->setMaxAcquiredBufferCount(bufferCount); } GonkNativeWindow::GonkNativeWindow(const sp<GonkBufferQueue>& bq, uint32_t consumerUsage, int bufferCount, bool controlledByApp) : GonkConsumerBase(bq, controlledByApp) { mConsumer->setConsumerUsageBits(consumerUsage); mConsumer->setMaxAcquiredBufferCount(bufferCount); } GonkNativeWindow::~GonkNativeWindow() { } void GonkNativeWindow::setName(const String8& name) { Mutex::Autolock _l(mMutex); mName = name; mConsumer->setConsumerName(name); } status_t GonkNativeWindow::acquireBuffer(BufferItem *item, nsecs_t presentWhen, bool waitForFence) { status_t err; if (!item) return BAD_VALUE; Mutex::Autolock _l(mMutex); err = acquireBufferLocked(item, presentWhen); if (err != OK) { if (err != NO_BUFFER_AVAILABLE) { ALOGE("Error acquiring buffer: %s (%d)", strerror(err), err); } return err; } if (waitForFence) { err = item->mFence->waitForever("GonkNativeWindow::acquireBuffer"); if (err != OK) { ALOGE("Failed to wait for fence of acquired buffer: %s (%d)", strerror(-err), err); return err; } } item->mGraphicBuffer = mSlots[item->mBuf].mGraphicBuffer; return OK; } status_t GonkNativeWindow::releaseBuffer(const BufferItem &item, const sp<Fence>& releaseFence) { status_t err; Mutex::Autolock _l(mMutex); err = addReleaseFenceLocked(item.mBuf, item.mGraphicBuffer, releaseFence); err = releaseBufferLocked(item.mBuf, item.mGraphicBuffer); if (err != OK) { ALOGE("Failed to release buffer: %s (%d)", strerror(-err), err); } return err; } status_t GonkNativeWindow::setDefaultBufferSize(uint32_t w, uint32_t h) { Mutex::Autolock _l(mMutex); return mConsumer->setDefaultBufferSize(w, h); } status_t GonkNativeWindow::setDefaultBufferFormat(uint32_t defaultFormat) { Mutex::Autolock _l(mMutex); return mConsumer->setDefaultBufferFormat(defaultFormat); } already_AddRefed<TextureClient> GonkNativeWindow::getCurrentBuffer() { Mutex::Autolock _l(mMutex); BufferItem item; // In asynchronous mode the list is guaranteed to be one buffer // deep, while in synchronous mode we use the oldest buffer. status_t err = acquireBufferLocked(&item, 0); //??? if (err != NO_ERROR) { return NULL; } RefPtr<TextureClient> textureClient = mConsumer->getTextureClientFromBuffer(item.mGraphicBuffer.get()); if (!textureClient) { return NULL; } textureClient->SetRecycleCallback(GonkNativeWindow::RecycleCallback, this); return textureClient.forget(); } /* static */ void GonkNativeWindow::RecycleCallback(TextureClient* client, void* closure) { GonkNativeWindow* nativeWindow = static_cast<GonkNativeWindow*>(closure); MOZ_ASSERT(client && !client->IsDead()); client->ClearRecycleCallback(); nativeWindow->returnBuffer(client); } void GonkNativeWindow::returnBuffer(TextureClient* client) { ALOGD("GonkNativeWindow::returnBuffer"); Mutex::Autolock lock(mMutex); int index = mConsumer->getSlotFromTextureClientLocked(client); if (index < 0) { } FenceHandle handle = client->GetAndResetReleaseFenceHandle(); RefPtr<FenceHandle::FdObj> fdObj = handle.GetAndResetFdObj(); sp<Fence> fence = new Fence(fdObj->GetAndResetFd()); addReleaseFenceLocked(index, mSlots[index].mGraphicBuffer, fence); releaseBufferLocked(index, mSlots[index].mGraphicBuffer); } already_AddRefed<TextureClient> GonkNativeWindow::getTextureClientFromBuffer(ANativeWindowBuffer* buffer) { Mutex::Autolock lock(mMutex); return mConsumer->getTextureClientFromBuffer(buffer); } void GonkNativeWindow::setNewFrameCallback( GonkNativeWindowNewFrameCallback* callback) { ALOGD("setNewFrameCallback"); Mutex::Autolock lock(mMutex); mNewFrameCallback = callback; } void GonkNativeWindow::onFrameAvailable() { GonkConsumerBase::onFrameAvailable(); if (mNewFrameCallback) { mNewFrameCallback->OnNewFrame(); } } } // namespace android