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877 lines
36 KiB
877 lines
36 KiB
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#undef LOG_TAG
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#define LOG_TAG "BLASTBufferQueue"
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#define ATRACE_TAG ATRACE_TAG_GRAPHICS
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//#define LOG_NDEBUG 0
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#include <gui/BLASTBufferQueue.h>
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#include <gui/BufferItemConsumer.h>
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#include <gui/BufferQueueConsumer.h>
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#include <gui/BufferQueueCore.h>
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#include <gui/BufferQueueProducer.h>
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#include <gui/GLConsumer.h>
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#include <gui/IProducerListener.h>
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#include <gui/Surface.h>
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#include <utils/Singleton.h>
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#include <utils/Trace.h>
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// HUANGLONG begin
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#include <hardware/gralloc1.h>
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// HUANGLONG end
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#include <private/gui/ComposerService.h>
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#include <chrono>
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using namespace std::chrono_literals;
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namespace {
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inline const char* toString(bool b) {
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return b ? "true" : "false";
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}
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} // namespace
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namespace android {
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// Macros to include adapter info in log messages
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#define BQA_LOGV(x, ...) \
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ALOGV("[%s](f:%u,a:%u) " x, mName.c_str(), mNumFrameAvailable, mNumAcquired, ##__VA_ARGS__)
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// enable logs for a single layer
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//#define BQA_LOGV(x, ...) \
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// ALOGV_IF((strstr(mName.c_str(), "SurfaceView") != nullptr), "[%s](f:%u,a:%u) " x, \
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// mName.c_str(), mNumFrameAvailable, mNumAcquired, ##__VA_ARGS__)
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#define BQA_LOGE(x, ...) \
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ALOGE("[%s](f:%u,a:%u) " x, mName.c_str(), mNumFrameAvailable, mNumAcquired, ##__VA_ARGS__)
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void BLASTBufferItemConsumer::onDisconnect() {
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Mutex::Autolock lock(mMutex);
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mPreviouslyConnected = mCurrentlyConnected;
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mCurrentlyConnected = false;
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if (mPreviouslyConnected) {
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mDisconnectEvents.push(mCurrentFrameNumber);
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}
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mFrameEventHistory.onDisconnect();
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}
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void BLASTBufferItemConsumer::addAndGetFrameTimestamps(const NewFrameEventsEntry* newTimestamps,
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FrameEventHistoryDelta* outDelta) {
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Mutex::Autolock lock(mMutex);
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if (newTimestamps) {
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// BufferQueueProducer only adds a new timestamp on
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// queueBuffer
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mCurrentFrameNumber = newTimestamps->frameNumber;
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mFrameEventHistory.addQueue(*newTimestamps);
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}
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if (outDelta) {
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// frame event histories will be processed
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// only after the producer connects and requests
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// deltas for the first time. Forward this intent
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// to SF-side to turn event processing back on
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mPreviouslyConnected = mCurrentlyConnected;
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mCurrentlyConnected = true;
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mFrameEventHistory.getAndResetDelta(outDelta);
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}
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}
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void BLASTBufferItemConsumer::updateFrameTimestamps(uint64_t frameNumber, nsecs_t refreshStartTime,
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const sp<Fence>& glDoneFence,
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const sp<Fence>& presentFence,
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const sp<Fence>& prevReleaseFence,
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CompositorTiming compositorTiming,
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nsecs_t latchTime, nsecs_t dequeueReadyTime) {
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Mutex::Autolock lock(mMutex);
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// if the producer is not connected, don't bother updating,
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// the next producer that connects won't access this frame event
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if (!mCurrentlyConnected) return;
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std::shared_ptr<FenceTime> glDoneFenceTime = std::make_shared<FenceTime>(glDoneFence);
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std::shared_ptr<FenceTime> presentFenceTime = std::make_shared<FenceTime>(presentFence);
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std::shared_ptr<FenceTime> releaseFenceTime = std::make_shared<FenceTime>(prevReleaseFence);
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mFrameEventHistory.addLatch(frameNumber, latchTime);
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mFrameEventHistory.addRelease(frameNumber, dequeueReadyTime, std::move(releaseFenceTime));
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mFrameEventHistory.addPreComposition(frameNumber, refreshStartTime);
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mFrameEventHistory.addPostComposition(frameNumber, glDoneFenceTime, presentFenceTime,
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compositorTiming);
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}
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void BLASTBufferItemConsumer::getConnectionEvents(uint64_t frameNumber, bool* needsDisconnect) {
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bool disconnect = false;
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Mutex::Autolock lock(mMutex);
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while (!mDisconnectEvents.empty() && mDisconnectEvents.front() <= frameNumber) {
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disconnect = true;
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mDisconnectEvents.pop();
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}
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if (needsDisconnect != nullptr) *needsDisconnect = disconnect;
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}
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void BLASTBufferItemConsumer::setBlastBufferQueue(BLASTBufferQueue* blastbufferqueue) {
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Mutex::Autolock lock(mMutex);
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mBLASTBufferQueue = blastbufferqueue;
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}
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void BLASTBufferItemConsumer::onSidebandStreamChanged() {
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Mutex::Autolock lock(mMutex);
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if (mBLASTBufferQueue != nullptr) {
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sp<NativeHandle> stream = getSidebandStream();
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mBLASTBufferQueue->setSidebandStream(stream);
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}
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}
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BLASTBufferQueue::BLASTBufferQueue(const std::string& name, const sp<SurfaceControl>& surface,
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int width, int height, int32_t format)
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: mSurfaceControl(surface),
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mSize(width, height),
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mRequestedSize(mSize),
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mFormat(format),
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mNextTransaction(nullptr) {
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createBufferQueue(&mProducer, &mConsumer);
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// since the adapter is in the client process, set dequeue timeout
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// explicitly so that dequeueBuffer will block
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mProducer->setDequeueTimeout(std::numeric_limits<int64_t>::max());
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// safe default, most producers are expected to override this
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mProducer->setMaxDequeuedBufferCount(2);
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mBufferItemConsumer = new BLASTBufferItemConsumer(mConsumer,
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GraphicBuffer::USAGE_HW_COMPOSER |
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GraphicBuffer::USAGE_HW_TEXTURE,
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1, false);
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static int32_t id = 0;
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mName = name + "#" + std::to_string(id);
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auto consumerName = mName + "(BLAST Consumer)" + std::to_string(id);
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mQueuedBufferTrace = "QueuedBuffer - " + mName + "BLAST#" + std::to_string(id);
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id++;
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mBufferItemConsumer->setName(String8(consumerName.c_str()));
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mBufferItemConsumer->setFrameAvailableListener(this);
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mBufferItemConsumer->setBufferFreedListener(this);
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mBufferItemConsumer->setDefaultBufferSize(mSize.width, mSize.height);
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mBufferItemConsumer->setDefaultBufferFormat(convertBufferFormat(format));
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mBufferItemConsumer->setBlastBufferQueue(this);
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ComposerService::getComposerService()->getMaxAcquiredBufferCount(&mMaxAcquiredBuffers);
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mBufferItemConsumer->setMaxAcquiredBufferCount(mMaxAcquiredBuffers);
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mTransformHint = mSurfaceControl->getTransformHint();
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mBufferItemConsumer->setTransformHint(mTransformHint);
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SurfaceComposerClient::Transaction()
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.setFlags(surface, layer_state_t::eEnableBackpressure,
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layer_state_t::eEnableBackpressure)
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.setApplyToken(mApplyToken)
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.apply();
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mNumAcquired = 0;
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mNumFrameAvailable = 0;
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// HUANGLONG begin
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// For dual-screen display, set usage process
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std::thread ([surfaceControl = mSurfaceControl, bufferItemConsumer = mBufferItemConsumer] () {
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// Set 16 milliseconds to wait to ensure that the layer stack update is completed
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std::this_thread::sleep_for(std::chrono::milliseconds(16));
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bool outResult = false;
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status_t err = surfaceControl->getClient()->belongsToExternalDisplay(surfaceControl->getHandle(), &outResult);
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if (err != NO_ERROR) {
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ALOGE("belongsToExternalDisplay execution error, err = %d", err);
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return;
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}
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if (outResult) {
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ALOGV("Set External Display Surface usage!");
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uint64_t usage = bufferItemConsumer->getConsumerUsageBits();
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usage |= GRALLOC1_CONSUMER_USAGE_PRIVATE_19;
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bufferItemConsumer->updateConsumerUsageBits(usage);
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}
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}).detach();
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// HUANGLONG end
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BQA_LOGV("BLASTBufferQueue created width=%d height=%d format=%d mTransformHint=%d", width,
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height, format, mTransformHint);
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}
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BLASTBufferQueue::~BLASTBufferQueue() {
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mBufferItemConsumer->setBlastBufferQueue(nullptr);
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if (mPendingTransactions.empty()) {
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return;
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}
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BQA_LOGE("Applying pending transactions on dtor %d",
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static_cast<uint32_t>(mPendingTransactions.size()));
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SurfaceComposerClient::Transaction t;
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for (auto& [targetFrameNumber, transaction] : mPendingTransactions) {
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t.merge(std::move(transaction));
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}
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t.apply();
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}
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void BLASTBufferQueue::update(const sp<SurfaceControl>& surface, uint32_t width, uint32_t height,
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int32_t format, SurfaceComposerClient::Transaction* outTransaction) {
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std::unique_lock _lock{mMutex};
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if (mFormat != format) {
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mFormat = format;
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mBufferItemConsumer->setDefaultBufferFormat(convertBufferFormat(format));
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}
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SurfaceComposerClient::Transaction t;
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const bool setBackpressureFlag = !SurfaceControl::isSameSurface(mSurfaceControl, surface);
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bool applyTransaction = false;
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// Always update the native object even though they might have the same layer handle, so we can
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// get the updated transform hint from WM.
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mSurfaceControl = surface;
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if (mSurfaceControl != nullptr) {
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if (setBackpressureFlag) {
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t.setFlags(mSurfaceControl, layer_state_t::eEnableBackpressure,
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layer_state_t::eEnableBackpressure);
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applyTransaction = true;
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}
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mTransformHint = mSurfaceControl->getTransformHint();
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mBufferItemConsumer->setTransformHint(mTransformHint);
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}
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BQA_LOGV("update width=%d height=%d format=%d mTransformHint=%d", width, height, format,
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mTransformHint);
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ui::Size newSize(width, height);
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if (mRequestedSize != newSize) {
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mRequestedSize.set(newSize);
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mBufferItemConsumer->setDefaultBufferSize(mRequestedSize.width, mRequestedSize.height);
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if (mLastBufferInfo.scalingMode != NATIVE_WINDOW_SCALING_MODE_FREEZE) {
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// If the buffer supports scaling, update the frame immediately since the client may
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// want to scale the existing buffer to the new size.
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mSize = mRequestedSize;
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// We only need to update the scale if we've received at least one buffer. The reason
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// for this is the scale is calculated based on the requested size and buffer size.
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// If there's no buffer, the scale will always be 1.
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SurfaceComposerClient::Transaction* destFrameTransaction =
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(outTransaction) ? outTransaction : &t;
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if (mSurfaceControl != nullptr && mLastBufferInfo.hasBuffer) {
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destFrameTransaction->setDestinationFrame(mSurfaceControl,
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Rect(0, 0, newSize.getWidth(),
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newSize.getHeight()));
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}
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applyTransaction = true;
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}
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}
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if (applyTransaction) {
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t.setApplyToken(mApplyToken).apply();
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}
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}
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static void transactionCallbackThunk(void* context, nsecs_t latchTime,
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const sp<Fence>& presentFence,
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const std::vector<SurfaceControlStats>& stats) {
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if (context == nullptr) {
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return;
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}
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sp<BLASTBufferQueue> bq = static_cast<BLASTBufferQueue*>(context);
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bq->transactionCallback(latchTime, presentFence, stats);
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}
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void BLASTBufferQueue::transactionCallback(nsecs_t /*latchTime*/, const sp<Fence>& /*presentFence*/,
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const std::vector<SurfaceControlStats>& stats) {
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std::function<void(int64_t)> transactionCompleteCallback = nullptr;
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uint64_t currFrameNumber = 0;
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{
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std::unique_lock _lock{mMutex};
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ATRACE_CALL();
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BQA_LOGV("transactionCallback");
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if (!mSurfaceControlsWithPendingCallback.empty()) {
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sp<SurfaceControl> pendingSC = mSurfaceControlsWithPendingCallback.front();
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mSurfaceControlsWithPendingCallback.pop();
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bool found = false;
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for (auto stat : stats) {
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if (!SurfaceControl::isSameSurface(pendingSC, stat.surfaceControl)) {
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continue;
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}
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mTransformHint = stat.transformHint;
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mBufferItemConsumer->setTransformHint(mTransformHint);
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BQA_LOGV("updated mTransformHint=%d", mTransformHint);
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// Update frametime stamps if the frame was latched and presented, indicated by a
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// valid latch time.
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if (stat.latchTime > 0) {
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mBufferItemConsumer
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->updateFrameTimestamps(stat.frameEventStats.frameNumber,
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stat.frameEventStats.refreshStartTime,
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stat.frameEventStats.gpuCompositionDoneFence,
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stat.presentFence, stat.previousReleaseFence,
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stat.frameEventStats.compositorTiming,
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stat.latchTime,
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stat.frameEventStats.dequeueReadyTime);
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}
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currFrameNumber = stat.frameEventStats.frameNumber;
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if (mTransactionCompleteCallback &&
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currFrameNumber >= mTransactionCompleteFrameNumber) {
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if (currFrameNumber > mTransactionCompleteFrameNumber) {
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BQA_LOGE("transactionCallback received for a newer framenumber=%" PRIu64
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" than expected=%" PRIu64,
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currFrameNumber, mTransactionCompleteFrameNumber);
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}
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transactionCompleteCallback = std::move(mTransactionCompleteCallback);
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mTransactionCompleteFrameNumber = 0;
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}
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found = true;
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break;
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}
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if (!found) {
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BQA_LOGE("Failed to find matching SurfaceControl in transaction callback");
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}
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} else {
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BQA_LOGE("No matching SurfaceControls found: mSurfaceControlsWithPendingCallback was "
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"empty.");
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}
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decStrong((void*)transactionCallbackThunk);
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}
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if (transactionCompleteCallback) {
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transactionCompleteCallback(currFrameNumber);
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}
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}
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// Unlike transactionCallbackThunk the release buffer callback does not extend the life of the
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// BBQ. This is because if the BBQ is destroyed, then the buffers will be released by the client.
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// So we pass in a weak pointer to the BBQ and if it still alive, then we release the buffer.
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// Otherwise, this is a no-op.
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static void releaseBufferCallbackThunk(wp<BLASTBufferQueue> context, const ReleaseCallbackId& id,
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const sp<Fence>& releaseFence, uint32_t transformHint,
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uint32_t currentMaxAcquiredBufferCount) {
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sp<BLASTBufferQueue> blastBufferQueue = context.promote();
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if (blastBufferQueue) {
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blastBufferQueue->releaseBufferCallback(id, releaseFence, transformHint,
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currentMaxAcquiredBufferCount);
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} else {
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ALOGV("releaseBufferCallbackThunk %s blastBufferQueue is dead", id.to_string().c_str());
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}
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}
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void BLASTBufferQueue::releaseBufferCallback(const ReleaseCallbackId& id,
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const sp<Fence>& releaseFence, uint32_t transformHint,
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uint32_t currentMaxAcquiredBufferCount) {
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ATRACE_CALL();
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std::unique_lock _lock{mMutex};
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BQA_LOGV("releaseBufferCallback %s", id.to_string().c_str());
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if (mSurfaceControl != nullptr) {
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mTransformHint = transformHint;
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mSurfaceControl->setTransformHint(transformHint);
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mBufferItemConsumer->setTransformHint(mTransformHint);
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BQA_LOGV("updated mTransformHint=%d", mTransformHint);
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}
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// Calculate how many buffers we need to hold before we release them back
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// to the buffer queue. This will prevent higher latency when we are running
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// on a lower refresh rate than the max supported. We only do that for EGL
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// clients as others don't care about latency
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const bool isEGL = [&] {
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const auto it = mSubmitted.find(id);
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return it != mSubmitted.end() && it->second.mApi == NATIVE_WINDOW_API_EGL;
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}();
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const auto numPendingBuffersToHold =
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isEGL ? std::max(0u, mMaxAcquiredBuffers - currentMaxAcquiredBufferCount) : 0;
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mPendingRelease.emplace_back(ReleasedBuffer{id, releaseFence});
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// Release all buffers that are beyond the ones that we need to hold
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while (mPendingRelease.size() > numPendingBuffersToHold) {
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const auto releaseBuffer = mPendingRelease.front();
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mPendingRelease.pop_front();
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auto it = mSubmitted.find(releaseBuffer.callbackId);
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if (it == mSubmitted.end()) {
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BQA_LOGE("ERROR: releaseBufferCallback without corresponding submitted buffer %s",
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releaseBuffer.callbackId.to_string().c_str());
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return;
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}
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mNumAcquired--;
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BQA_LOGV("released %s", id.to_string().c_str());
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mBufferItemConsumer->releaseBuffer(it->second, releaseBuffer.releaseFence);
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mSubmitted.erase(it);
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processNextBufferLocked(false /* useNextTransaction */);
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}
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ATRACE_INT("PendingRelease", mPendingRelease.size());
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ATRACE_INT(mQueuedBufferTrace.c_str(),
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mNumFrameAvailable + mNumAcquired - mPendingRelease.size());
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mCallbackCV.notify_all();
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}
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void BLASTBufferQueue::processNextBufferLocked(bool useNextTransaction) {
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ATRACE_CALL();
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// If the next transaction is set, we want to guarantee the our acquire will not fail, so don't
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// include the extra buffer when checking if we can acquire the next buffer.
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const bool includeExtraAcquire = !useNextTransaction;
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if (mNumFrameAvailable == 0 || maxBuffersAcquired(includeExtraAcquire)) {
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mCallbackCV.notify_all();
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return;
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}
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if (mSurfaceControl == nullptr) {
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BQA_LOGE("ERROR : surface control is null");
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return;
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}
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SurfaceComposerClient::Transaction localTransaction;
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bool applyTransaction = true;
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SurfaceComposerClient::Transaction* t = &localTransaction;
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if (mNextTransaction != nullptr && useNextTransaction) {
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t = mNextTransaction;
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mNextTransaction = nullptr;
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applyTransaction = false;
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}
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BufferItem bufferItem;
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status_t status =
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mBufferItemConsumer->acquireBuffer(&bufferItem, 0 /* expectedPresent */, false);
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if (status == BufferQueue::NO_BUFFER_AVAILABLE) {
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BQA_LOGV("Failed to acquire a buffer, err=NO_BUFFER_AVAILABLE");
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return;
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} else if (status != OK) {
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BQA_LOGE("Failed to acquire a buffer, err=%s", statusToString(status).c_str());
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return;
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}
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auto buffer = bufferItem.mGraphicBuffer;
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mNumFrameAvailable--;
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if (buffer == nullptr) {
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mBufferItemConsumer->releaseBuffer(bufferItem, Fence::NO_FENCE);
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BQA_LOGE("Buffer was empty");
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return;
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}
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if (rejectBuffer(bufferItem)) {
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BQA_LOGE("rejecting buffer:active_size=%dx%d, requested_size=%dx%d "
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"buffer{size=%dx%d transform=%d}",
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mSize.width, mSize.height, mRequestedSize.width, mRequestedSize.height,
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buffer->getWidth(), buffer->getHeight(), bufferItem.mTransform);
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mBufferItemConsumer->releaseBuffer(bufferItem, Fence::NO_FENCE);
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processNextBufferLocked(useNextTransaction);
|
|
return;
|
|
}
|
|
|
|
mNumAcquired++;
|
|
mLastAcquiredFrameNumber = bufferItem.mFrameNumber;
|
|
ReleaseCallbackId releaseCallbackId(buffer->getId(), mLastAcquiredFrameNumber);
|
|
mSubmitted[releaseCallbackId] = bufferItem;
|
|
|
|
bool needsDisconnect = false;
|
|
mBufferItemConsumer->getConnectionEvents(bufferItem.mFrameNumber, &needsDisconnect);
|
|
|
|
// if producer disconnected before, notify SurfaceFlinger
|
|
if (needsDisconnect) {
|
|
t->notifyProducerDisconnect(mSurfaceControl);
|
|
}
|
|
|
|
// Ensure BLASTBufferQueue stays alive until we receive the transaction complete callback.
|
|
incStrong((void*)transactionCallbackThunk);
|
|
|
|
Rect crop = computeCrop(bufferItem);
|
|
const bool updateDestinationFrame =
|
|
bufferItem.mScalingMode == NATIVE_WINDOW_SCALING_MODE_FREEZE ||
|
|
!mLastBufferInfo.hasBuffer;
|
|
mLastBufferInfo.update(true /* hasBuffer */, bufferItem.mGraphicBuffer->getWidth(),
|
|
bufferItem.mGraphicBuffer->getHeight(), bufferItem.mTransform,
|
|
bufferItem.mScalingMode, crop);
|
|
|
|
auto releaseBufferCallback =
|
|
std::bind(releaseBufferCallbackThunk, wp<BLASTBufferQueue>(this) /* callbackContext */,
|
|
std::placeholders::_1, std::placeholders::_2, std::placeholders::_3,
|
|
std::placeholders::_4);
|
|
t->setBuffer(mSurfaceControl, buffer, releaseCallbackId, releaseBufferCallback);
|
|
t->setDataspace(mSurfaceControl, static_cast<ui::Dataspace>(bufferItem.mDataSpace));
|
|
t->setHdrMetadata(mSurfaceControl, bufferItem.mHdrMetadata);
|
|
t->setSurfaceDamageRegion(mSurfaceControl, bufferItem.mSurfaceDamage);
|
|
t->setAcquireFence(mSurfaceControl,
|
|
bufferItem.mFence ? new Fence(bufferItem.mFence->dup()) : Fence::NO_FENCE);
|
|
t->addTransactionCompletedCallback(transactionCallbackThunk, static_cast<void*>(this));
|
|
mSurfaceControlsWithPendingCallback.push(mSurfaceControl);
|
|
|
|
if (updateDestinationFrame) {
|
|
t->setDestinationFrame(mSurfaceControl, Rect(0, 0, mSize.getWidth(), mSize.getHeight()));
|
|
}
|
|
t->setBufferCrop(mSurfaceControl, crop);
|
|
t->setTransform(mSurfaceControl, bufferItem.mTransform);
|
|
t->setTransformToDisplayInverse(mSurfaceControl, bufferItem.mTransformToDisplayInverse);
|
|
if (!bufferItem.mIsAutoTimestamp) {
|
|
t->setDesiredPresentTime(bufferItem.mTimestamp);
|
|
}
|
|
t->setFrameNumber(mSurfaceControl, bufferItem.mFrameNumber);
|
|
|
|
if (!mNextFrameTimelineInfoQueue.empty()) {
|
|
t->setFrameTimelineInfo(mNextFrameTimelineInfoQueue.front());
|
|
mNextFrameTimelineInfoQueue.pop();
|
|
}
|
|
|
|
if (mAutoRefresh != bufferItem.mAutoRefresh) {
|
|
t->setAutoRefresh(mSurfaceControl, bufferItem.mAutoRefresh);
|
|
mAutoRefresh = bufferItem.mAutoRefresh;
|
|
}
|
|
{
|
|
std::unique_lock _lock{mTimestampMutex};
|
|
auto dequeueTime = mDequeueTimestamps.find(buffer->getId());
|
|
if (dequeueTime != mDequeueTimestamps.end()) {
|
|
Parcel p;
|
|
p.writeInt64(dequeueTime->second);
|
|
t->setMetadata(mSurfaceControl, METADATA_DEQUEUE_TIME, p);
|
|
mDequeueTimestamps.erase(dequeueTime);
|
|
}
|
|
}
|
|
|
|
auto mergeTransaction =
|
|
[&t, currentFrameNumber = bufferItem.mFrameNumber](
|
|
std::tuple<uint64_t, SurfaceComposerClient::Transaction> pendingTransaction) {
|
|
auto& [targetFrameNumber, transaction] = pendingTransaction;
|
|
if (currentFrameNumber < targetFrameNumber) {
|
|
return false;
|
|
}
|
|
t->merge(std::move(transaction));
|
|
return true;
|
|
};
|
|
|
|
mPendingTransactions.erase(std::remove_if(mPendingTransactions.begin(),
|
|
mPendingTransactions.end(), mergeTransaction),
|
|
mPendingTransactions.end());
|
|
|
|
if (applyTransaction) {
|
|
t->setApplyToken(mApplyToken).apply();
|
|
}
|
|
|
|
BQA_LOGV("processNextBufferLocked size=%dx%d mFrameNumber=%" PRIu64
|
|
" applyTransaction=%s mTimestamp=%" PRId64 "%s mPendingTransactions.size=%d"
|
|
" graphicBufferId=%" PRIu64 "%s transform=%d",
|
|
mSize.width, mSize.height, bufferItem.mFrameNumber, toString(applyTransaction),
|
|
bufferItem.mTimestamp, bufferItem.mIsAutoTimestamp ? "(auto)" : "",
|
|
static_cast<uint32_t>(mPendingTransactions.size()), bufferItem.mGraphicBuffer->getId(),
|
|
bufferItem.mAutoRefresh ? " mAutoRefresh" : "", bufferItem.mTransform);
|
|
}
|
|
|
|
Rect BLASTBufferQueue::computeCrop(const BufferItem& item) {
|
|
if (item.mScalingMode == NATIVE_WINDOW_SCALING_MODE_SCALE_CROP) {
|
|
return GLConsumer::scaleDownCrop(item.mCrop, mSize.width, mSize.height);
|
|
}
|
|
return item.mCrop;
|
|
}
|
|
|
|
void BLASTBufferQueue::onFrameAvailable(const BufferItem& item) {
|
|
ATRACE_CALL();
|
|
std::unique_lock _lock{mMutex};
|
|
|
|
const bool nextTransactionSet = mNextTransaction != nullptr;
|
|
if (nextTransactionSet) {
|
|
while (mNumFrameAvailable > 0 || maxBuffersAcquired(false /* includeExtraAcquire */)) {
|
|
BQA_LOGV("waiting in onFrameAvailable...");
|
|
mCallbackCV.wait(_lock);
|
|
}
|
|
}
|
|
// add to shadow queue
|
|
mNumFrameAvailable++;
|
|
ATRACE_INT(mQueuedBufferTrace.c_str(),
|
|
mNumFrameAvailable + mNumAcquired - mPendingRelease.size());
|
|
|
|
BQA_LOGV("onFrameAvailable framenumber=%" PRIu64 " nextTransactionSet=%s", item.mFrameNumber,
|
|
toString(nextTransactionSet));
|
|
processNextBufferLocked(nextTransactionSet /* useNextTransaction */);
|
|
}
|
|
|
|
void BLASTBufferQueue::onFrameReplaced(const BufferItem& item) {
|
|
BQA_LOGV("onFrameReplaced framenumber=%" PRIu64, item.mFrameNumber);
|
|
// Do nothing since we are not storing unacquired buffer items locally.
|
|
}
|
|
|
|
void BLASTBufferQueue::onFrameDequeued(const uint64_t bufferId) {
|
|
std::unique_lock _lock{mTimestampMutex};
|
|
mDequeueTimestamps[bufferId] = systemTime();
|
|
};
|
|
|
|
void BLASTBufferQueue::onFrameCancelled(const uint64_t bufferId) {
|
|
std::unique_lock _lock{mTimestampMutex};
|
|
mDequeueTimestamps.erase(bufferId);
|
|
};
|
|
|
|
void BLASTBufferQueue::setNextTransaction(SurfaceComposerClient::Transaction* t) {
|
|
std::lock_guard _lock{mMutex};
|
|
mNextTransaction = t;
|
|
}
|
|
|
|
bool BLASTBufferQueue::rejectBuffer(const BufferItem& item) {
|
|
if (item.mScalingMode != NATIVE_WINDOW_SCALING_MODE_FREEZE) {
|
|
mSize = mRequestedSize;
|
|
// Only reject buffers if scaling mode is freeze.
|
|
return false;
|
|
}
|
|
|
|
uint32_t bufWidth = item.mGraphicBuffer->getWidth();
|
|
uint32_t bufHeight = item.mGraphicBuffer->getHeight();
|
|
|
|
// Take the buffer's orientation into account
|
|
if (item.mTransform & ui::Transform::ROT_90) {
|
|
std::swap(bufWidth, bufHeight);
|
|
}
|
|
ui::Size bufferSize(bufWidth, bufHeight);
|
|
if (mRequestedSize != mSize && mRequestedSize == bufferSize) {
|
|
mSize = mRequestedSize;
|
|
return false;
|
|
}
|
|
|
|
// reject buffers if the buffer size doesn't match.
|
|
return mSize != bufferSize;
|
|
}
|
|
|
|
void BLASTBufferQueue::setTransactionCompleteCallback(
|
|
uint64_t frameNumber, std::function<void(int64_t)>&& transactionCompleteCallback) {
|
|
std::lock_guard _lock{mMutex};
|
|
if (transactionCompleteCallback == nullptr) {
|
|
mTransactionCompleteCallback = nullptr;
|
|
} else {
|
|
mTransactionCompleteCallback = std::move(transactionCompleteCallback);
|
|
mTransactionCompleteFrameNumber = frameNumber;
|
|
}
|
|
}
|
|
|
|
// Check if we have acquired the maximum number of buffers.
|
|
// Consumer can acquire an additional buffer if that buffer is not droppable. Set
|
|
// includeExtraAcquire is true to include this buffer to the count. Since this depends on the state
|
|
// of the buffer, the next acquire may return with NO_BUFFER_AVAILABLE.
|
|
bool BLASTBufferQueue::maxBuffersAcquired(bool includeExtraAcquire) const {
|
|
int maxAcquiredBuffers = mMaxAcquiredBuffers + (includeExtraAcquire ? 2 : 1);
|
|
return mNumAcquired == maxAcquiredBuffers;
|
|
}
|
|
|
|
class BBQSurface : public Surface {
|
|
private:
|
|
sp<BLASTBufferQueue> mBbq;
|
|
public:
|
|
BBQSurface(const sp<IGraphicBufferProducer>& igbp, bool controlledByApp,
|
|
const sp<IBinder>& scHandle, const sp<BLASTBufferQueue>& bbq)
|
|
: Surface(igbp, controlledByApp, scHandle), mBbq(bbq) {}
|
|
|
|
void allocateBuffers() override {
|
|
uint32_t reqWidth = mReqWidth ? mReqWidth : mUserWidth;
|
|
uint32_t reqHeight = mReqHeight ? mReqHeight : mUserHeight;
|
|
auto gbp = getIGraphicBufferProducer();
|
|
std::thread ([reqWidth, reqHeight, gbp=getIGraphicBufferProducer(),
|
|
reqFormat=mReqFormat, reqUsage=mReqUsage] () {
|
|
gbp->allocateBuffers(reqWidth, reqHeight,
|
|
reqFormat, reqUsage);
|
|
|
|
}).detach();
|
|
}
|
|
|
|
status_t setFrameRate(float frameRate, int8_t compatibility,
|
|
int8_t changeFrameRateStrategy) override {
|
|
if (!ValidateFrameRate(frameRate, compatibility, changeFrameRateStrategy,
|
|
"BBQSurface::setFrameRate")) {
|
|
return BAD_VALUE;
|
|
}
|
|
return mBbq->setFrameRate(frameRate, compatibility, changeFrameRateStrategy);
|
|
}
|
|
|
|
status_t setFrameTimelineInfo(const FrameTimelineInfo& frameTimelineInfo) override {
|
|
return mBbq->setFrameTimelineInfo(frameTimelineInfo);
|
|
}
|
|
};
|
|
|
|
// TODO: Can we coalesce this with frame updates? Need to confirm
|
|
// no timing issues.
|
|
status_t BLASTBufferQueue::setFrameRate(float frameRate, int8_t compatibility,
|
|
bool shouldBeSeamless) {
|
|
std::unique_lock _lock{mMutex};
|
|
SurfaceComposerClient::Transaction t;
|
|
|
|
return t.setFrameRate(mSurfaceControl, frameRate, compatibility, shouldBeSeamless).apply();
|
|
}
|
|
|
|
status_t BLASTBufferQueue::setFrameTimelineInfo(const FrameTimelineInfo& frameTimelineInfo) {
|
|
std::unique_lock _lock{mMutex};
|
|
mNextFrameTimelineInfoQueue.push(frameTimelineInfo);
|
|
return OK;
|
|
}
|
|
|
|
void BLASTBufferQueue::setSidebandStream(const sp<NativeHandle>& stream) {
|
|
std::unique_lock _lock{mMutex};
|
|
SurfaceComposerClient::Transaction t;
|
|
|
|
t.setSidebandStream(mSurfaceControl, stream).apply();
|
|
}
|
|
|
|
sp<Surface> BLASTBufferQueue::getSurface(bool includeSurfaceControlHandle) {
|
|
std::unique_lock _lock{mMutex};
|
|
sp<IBinder> scHandle = nullptr;
|
|
if (includeSurfaceControlHandle && mSurfaceControl) {
|
|
scHandle = mSurfaceControl->getHandle();
|
|
}
|
|
return new BBQSurface(mProducer, true, scHandle, this);
|
|
}
|
|
|
|
void BLASTBufferQueue::mergeWithNextTransaction(SurfaceComposerClient::Transaction* t,
|
|
uint64_t frameNumber) {
|
|
std::lock_guard _lock{mMutex};
|
|
if (mLastAcquiredFrameNumber >= frameNumber) {
|
|
// Apply the transaction since we have already acquired the desired frame.
|
|
t->apply();
|
|
} else {
|
|
mPendingTransactions.emplace_back(frameNumber, *t);
|
|
// Clear the transaction so it can't be applied elsewhere.
|
|
t->clear();
|
|
}
|
|
}
|
|
|
|
// Maintains a single worker thread per process that services a list of runnables.
|
|
class AsyncWorker : public Singleton<AsyncWorker> {
|
|
private:
|
|
std::thread mThread;
|
|
bool mDone = false;
|
|
std::deque<std::function<void()>> mRunnables;
|
|
std::mutex mMutex;
|
|
std::condition_variable mCv;
|
|
void run() {
|
|
std::unique_lock<std::mutex> lock(mMutex);
|
|
while (!mDone) {
|
|
while (!mRunnables.empty()) {
|
|
std::deque<std::function<void()>> runnables = std::move(mRunnables);
|
|
mRunnables.clear();
|
|
lock.unlock();
|
|
// Run outside the lock since the runnable might trigger another
|
|
// post to the async worker.
|
|
execute(runnables);
|
|
lock.lock();
|
|
}
|
|
mCv.wait(lock);
|
|
}
|
|
}
|
|
|
|
void execute(std::deque<std::function<void()>>& runnables) {
|
|
while (!runnables.empty()) {
|
|
std::function<void()> runnable = runnables.front();
|
|
runnables.pop_front();
|
|
runnable();
|
|
}
|
|
}
|
|
|
|
public:
|
|
AsyncWorker() : Singleton<AsyncWorker>() { mThread = std::thread(&AsyncWorker::run, this); }
|
|
|
|
~AsyncWorker() {
|
|
mDone = true;
|
|
mCv.notify_all();
|
|
if (mThread.joinable()) {
|
|
mThread.join();
|
|
}
|
|
}
|
|
|
|
void post(std::function<void()> runnable) {
|
|
std::unique_lock<std::mutex> lock(mMutex);
|
|
mRunnables.emplace_back(std::move(runnable));
|
|
mCv.notify_one();
|
|
}
|
|
};
|
|
ANDROID_SINGLETON_STATIC_INSTANCE(AsyncWorker);
|
|
|
|
// Asynchronously calls ProducerListener functions so we can emulate one way binder calls.
|
|
class AsyncProducerListener : public BnProducerListener {
|
|
private:
|
|
const sp<IProducerListener> mListener;
|
|
|
|
public:
|
|
AsyncProducerListener(const sp<IProducerListener>& listener) : mListener(listener) {}
|
|
|
|
void onBufferReleased() override {
|
|
AsyncWorker::getInstance().post([listener = mListener]() { listener->onBufferReleased(); });
|
|
}
|
|
|
|
void onBuffersDiscarded(const std::vector<int32_t>& slots) override {
|
|
AsyncWorker::getInstance().post(
|
|
[listener = mListener, slots = slots]() { listener->onBuffersDiscarded(slots); });
|
|
}
|
|
};
|
|
|
|
// Extends the BufferQueueProducer to create a wrapper around the listener so the listener calls
|
|
// can be non-blocking when the producer is in the client process.
|
|
class BBQBufferQueueProducer : public BufferQueueProducer {
|
|
public:
|
|
BBQBufferQueueProducer(const sp<BufferQueueCore>& core)
|
|
: BufferQueueProducer(core, false /* consumerIsSurfaceFlinger*/) {}
|
|
|
|
status_t connect(const sp<IProducerListener>& listener, int api, bool producerControlledByApp,
|
|
QueueBufferOutput* output) override {
|
|
if (!listener) {
|
|
return BufferQueueProducer::connect(listener, api, producerControlledByApp, output);
|
|
}
|
|
|
|
return BufferQueueProducer::connect(new AsyncProducerListener(listener), api,
|
|
producerControlledByApp, output);
|
|
}
|
|
|
|
int query(int what, int* value) override {
|
|
if (what == NATIVE_WINDOW_QUEUES_TO_WINDOW_COMPOSER) {
|
|
*value = 1;
|
|
return NO_ERROR;
|
|
}
|
|
return BufferQueueProducer::query(what, value);
|
|
}
|
|
};
|
|
|
|
// Similar to BufferQueue::createBufferQueue but creates an adapter specific bufferqueue producer.
|
|
// This BQP allows invoking client specified ProducerListeners and invoke them asynchronously,
|
|
// emulating one way binder call behavior. Without this, if the listener calls back into the queue,
|
|
// we can deadlock.
|
|
void BLASTBufferQueue::createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
|
|
sp<IGraphicBufferConsumer>* outConsumer) {
|
|
LOG_ALWAYS_FATAL_IF(outProducer == nullptr, "BLASTBufferQueue: outProducer must not be NULL");
|
|
LOG_ALWAYS_FATAL_IF(outConsumer == nullptr, "BLASTBufferQueue: outConsumer must not be NULL");
|
|
|
|
sp<BufferQueueCore> core(new BufferQueueCore());
|
|
LOG_ALWAYS_FATAL_IF(core == nullptr, "BLASTBufferQueue: failed to create BufferQueueCore");
|
|
|
|
sp<IGraphicBufferProducer> producer(new BBQBufferQueueProducer(core));
|
|
LOG_ALWAYS_FATAL_IF(producer == nullptr,
|
|
"BLASTBufferQueue: failed to create BBQBufferQueueProducer");
|
|
|
|
sp<BufferQueueConsumer> consumer(new BufferQueueConsumer(core));
|
|
consumer->setAllowExtraAcquire(true);
|
|
LOG_ALWAYS_FATAL_IF(consumer == nullptr,
|
|
"BLASTBufferQueue: failed to create BufferQueueConsumer");
|
|
|
|
*outProducer = producer;
|
|
*outConsumer = consumer;
|
|
}
|
|
|
|
PixelFormat BLASTBufferQueue::convertBufferFormat(PixelFormat& format) {
|
|
PixelFormat convertedFormat = format;
|
|
switch (format) {
|
|
case PIXEL_FORMAT_TRANSPARENT:
|
|
case PIXEL_FORMAT_TRANSLUCENT:
|
|
convertedFormat = PIXEL_FORMAT_RGBA_8888;
|
|
break;
|
|
case PIXEL_FORMAT_OPAQUE:
|
|
convertedFormat = PIXEL_FORMAT_RGBX_8888;
|
|
break;
|
|
}
|
|
return convertedFormat;
|
|
}
|
|
|
|
uint32_t BLASTBufferQueue::getLastTransformHint() const {
|
|
if (mSurfaceControl != nullptr) {
|
|
return mSurfaceControl->getTransformHint();
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
} // namespace android
|