SF: Fix mBuffer management
Fix logic in synchronization of layer buffer between FE and BE
Test: Compile/Run
Change-Id: I5b8eeafeba004c1a240e801a2a92a21b8d40d8fe
diff --git a/services/surfaceflinger/BufferLayer.cpp b/services/surfaceflinger/BufferLayer.cpp
index 3dbc136..d07a52b 100644
--- a/services/surfaceflinger/BufferLayer.cpp
+++ b/services/surfaceflinger/BufferLayer.cpp
@@ -98,15 +98,13 @@
}
bool BufferLayer::isProtected() const {
- const sp<GraphicBuffer>& buffer(getBE().compositionInfo.mBuffer);
- return (buffer != 0) &&
- (buffer->getUsage() & GRALLOC_USAGE_PROTECTED);
+ const sp<GraphicBuffer>& buffer(mActiveBuffer);
+ return (buffer != 0) && (buffer->getUsage() & GRALLOC_USAGE_PROTECTED);
}
bool BufferLayer::isVisible() const {
return !(isHiddenByPolicy()) && getAlpha() > 0.0f &&
- (getBE().compositionInfo.mBuffer != nullptr ||
- getBE().compositionInfo.hwc.sidebandStream != nullptr);
+ (mActiveBuffer != nullptr || getBE().compositionInfo.hwc.sidebandStream != nullptr);
}
bool BufferLayer::isFixedSize() const {
@@ -162,7 +160,7 @@
bool useIdentityTransform) const {
ATRACE_CALL();
- if (CC_UNLIKELY(getBE().compositionInfo.mBuffer == 0)) {
+ if (CC_UNLIKELY(mActiveBuffer == 0)) {
// the texture has not been created yet, this Layer has
// in fact never been drawn into. This happens frequently with
// SurfaceView because the WindowManager can't know when the client
@@ -240,8 +238,7 @@
}
// Set things up for texturing.
- mTexture.setDimensions(getBE().compositionInfo.mBuffer->getWidth(),
- getBE().compositionInfo.mBuffer->getHeight());
+ mTexture.setDimensions(mActiveBuffer->getWidth(), mActiveBuffer->getHeight());
mTexture.setFiltering(useFiltering);
mTexture.setMatrix(textureMatrix);
@@ -291,12 +288,10 @@
bool BufferLayer::onPreComposition(nsecs_t refreshStartTime) {
if (mBufferLatched) {
Mutex::Autolock lock(mFrameEventHistoryMutex);
- mFrameEventHistory.addPreComposition(mCurrentFrameNumber,
- refreshStartTime);
+ mFrameEventHistory.addPreComposition(mCurrentFrameNumber, refreshStartTime);
}
mRefreshPending = false;
- return mQueuedFrames > 0 || mSidebandStreamChanged ||
- mAutoRefresh;
+ return mQueuedFrames > 0 || mSidebandStreamChanged || mAutoRefresh;
}
bool BufferLayer::onPostComposition(const std::shared_ptr<FenceTime>& glDoneFence,
const std::shared_ptr<FenceTime>& presentFence,
@@ -308,8 +303,8 @@
// Update mFrameEventHistory.
{
Mutex::Autolock lock(mFrameEventHistoryMutex);
- mFrameEventHistory.addPostComposition(mCurrentFrameNumber, glDoneFence,
- presentFence, compositorTiming);
+ mFrameEventHistory.addPostComposition(mCurrentFrameNumber, glDoneFence, presentFence,
+ compositorTiming);
}
// Update mFrameTracker.
@@ -358,8 +353,7 @@
return;
}
- auto releaseFenceTime =
- std::make_shared<FenceTime>(mConsumer->getPrevFinalReleaseFence());
+ auto releaseFenceTime = std::make_shared<FenceTime>(mConsumer->getPrevFinalReleaseFence());
mReleaseTimeline.updateSignalTimes();
mReleaseTimeline.push(releaseFenceTime);
@@ -412,7 +406,7 @@
// Capture the old state of the layer for comparisons later
const State& s(getDrawingState());
const bool oldOpacity = isOpaque(s);
- sp<GraphicBuffer> oldBuffer = getBE().compositionInfo.mBuffer;
+ sp<GraphicBuffer> oldBuffer = mActiveBuffer;
if (!allTransactionsSignaled()) {
mFlinger->signalLayerUpdate();
@@ -425,12 +419,10 @@
// buffer mode.
bool queuedBuffer = false;
LayerRejecter r(mDrawingState, getCurrentState(), recomputeVisibleRegions,
- getProducerStickyTransform() != 0, mName.string(),
- mOverrideScalingMode, mFreezeGeometryUpdates);
- status_t updateResult =
- mConsumer->updateTexImage(&r, mFlinger->mPrimaryDispSync,
- &mAutoRefresh, &queuedBuffer,
- mLastFrameNumberReceived);
+ getProducerStickyTransform() != 0, mName.string(), mOverrideScalingMode,
+ mFreezeGeometryUpdates);
+ status_t updateResult = mConsumer->updateTexImage(&r, mFlinger->mPrimaryDispSync, &mAutoRefresh,
+ &queuedBuffer, mLastFrameNumberReceived);
if (updateResult == BufferQueue::PRESENT_LATER) {
// Producer doesn't want buffer to be displayed yet. Signal a
// layer update so we check again at the next opportunity.
@@ -483,17 +475,16 @@
// Decrement the queued-frames count. Signal another event if we
// have more frames pending.
- if ((queuedBuffer && android_atomic_dec(&mQueuedFrames) > 1) ||
- mAutoRefresh) {
+ if ((queuedBuffer && android_atomic_dec(&mQueuedFrames) > 1) || mAutoRefresh) {
mFlinger->signalLayerUpdate();
}
// update the active buffer
- getBE().compositionInfo.mBuffer =
- mConsumer->getCurrentBuffer(&getBE().compositionInfo.mBufferSlot);
- // replicated in LayerBE until FE/BE is ready to be synchronized
- mActiveBuffer = getBE().compositionInfo.mBuffer;
- if (getBE().compositionInfo.mBuffer == nullptr) {
+ mActiveBuffer = mConsumer->getCurrentBuffer(&mActiveBufferSlot);
+ getBE().compositionInfo.mBuffer = mActiveBuffer;
+ getBE().compositionInfo.mBufferSlot = mActiveBufferSlot;
+
+ if (mActiveBuffer == nullptr) {
// this can only happen if the very first buffer was rejected.
return outDirtyRegion;
}
@@ -520,8 +511,7 @@
Rect crop(mConsumer->getCurrentCrop());
const uint32_t transform(mConsumer->getCurrentTransform());
const uint32_t scalingMode(mConsumer->getCurrentScalingMode());
- if ((crop != mCurrentCrop) ||
- (transform != mCurrentTransform) ||
+ if ((crop != mCurrentCrop) || (transform != mCurrentTransform) ||
(scalingMode != mCurrentScalingMode)) {
mCurrentCrop = crop;
mCurrentTransform = transform;
@@ -530,15 +520,14 @@
}
if (oldBuffer != nullptr) {
- uint32_t bufWidth = getBE().compositionInfo.mBuffer->getWidth();
- uint32_t bufHeight = getBE().compositionInfo.mBuffer->getHeight();
- if (bufWidth != uint32_t(oldBuffer->width) ||
- bufHeight != uint32_t(oldBuffer->height)) {
+ uint32_t bufWidth = mActiveBuffer->getWidth();
+ uint32_t bufHeight = mActiveBuffer->getHeight();
+ if (bufWidth != uint32_t(oldBuffer->width) || bufHeight != uint32_t(oldBuffer->height)) {
recomputeVisibleRegions = true;
}
}
- mCurrentOpacity = getOpacityForFormat(getBE().compositionInfo.mBuffer->format);
+ mCurrentOpacity = getOpacityForFormat(mActiveBuffer->format);
if (oldOpacity != isOpaque(s)) {
recomputeVisibleRegions = true;
}
@@ -631,8 +620,8 @@
uint32_t hwcSlot = 0;
sp<GraphicBuffer> hwcBuffer;
- hwcInfo.bufferCache.getHwcBuffer(getBE().compositionInfo.mBufferSlot,
- getBE().compositionInfo.mBuffer, &hwcSlot, &hwcBuffer);
+ getBE().mHwcLayers[hwcId].bufferCache.getHwcBuffer(mActiveBufferSlot, mActiveBuffer, &hwcSlot,
+ &hwcBuffer);
auto acquireFence = mConsumer->getCurrentFence();
error = hwcLayer->setBuffer(hwcSlot, hwcBuffer, acquireFence);
@@ -646,7 +635,7 @@
bool BufferLayer::isOpaque(const Layer::State& s) const {
// if we don't have a buffer or sidebandStream yet, we're translucent regardless of the
// layer's opaque flag.
- if ((getBE().compositionInfo.hwc.sidebandStream == nullptr) && (getBE().compositionInfo.mBuffer == nullptr)) {
+ if ((getBE().compositionInfo.hwc.sidebandStream == nullptr) && (mActiveBuffer == nullptr)) {
return false;
}
@@ -661,8 +650,7 @@
sp<IGraphicBufferConsumer> consumer;
BufferQueue::createBufferQueue(&producer, &consumer, true);
mProducer = new MonitoredProducer(producer, mFlinger, this);
- mConsumer = new BufferLayerConsumer(consumer,
- mFlinger->getRenderEngine(), mTextureName, this);
+ mConsumer = new BufferLayerConsumer(consumer, mFlinger->getRenderEngine(), mTextureName, this);
mConsumer->setConsumerUsageBits(getEffectiveUsage(0));
mConsumer->setContentsChangedListener(this);
mConsumer->setName(mName);
@@ -694,8 +682,7 @@
// Ensure that callbacks are handled in order
while (item.mFrameNumber != mLastFrameNumberReceived + 1) {
- status_t result = mQueueItemCondition.waitRelative(mQueueItemLock,
- ms2ns(500));
+ status_t result = mQueueItemCondition.waitRelative(mQueueItemLock, ms2ns(500));
if (result != NO_ERROR) {
ALOGE("[%s] Timed out waiting on callback", mName.string());
}
@@ -718,8 +705,7 @@
// Ensure that callbacks are handled in order
while (item.mFrameNumber != mLastFrameNumberReceived + 1) {
- status_t result = mQueueItemCondition.waitRelative(mQueueItemLock,
- ms2ns(500));
+ status_t result = mQueueItemCondition.waitRelative(mQueueItemLock, ms2ns(500));
if (result != NO_ERROR) {
ALOGE("[%s] Timed out waiting on callback", mName.string());
}
@@ -884,8 +870,7 @@
// able to be latched. To avoid this, grab this buffer anyway.
return true;
}
- return mQueueItems[0].mFenceTime->getSignalTime() !=
- Fence::SIGNAL_TIME_PENDING;
+ return mQueueItems[0].mFenceTime->getSignalTime() != Fence::SIGNAL_TIME_PENDING;
}
uint32_t BufferLayer::getEffectiveScalingMode() const {