Create EGLImages during buffer allocation
EGLImage creation is now performed on an async binder thread, so now GPU
composition should rarely be stalled by expensive image creation.
Bug: 129008989
Test: systrace
Change-Id: I9732f866933a8950a4c69ff51d5ac1622bbb3470
diff --git a/services/surfaceflinger/BufferLayerConsumer.cpp b/services/surfaceflinger/BufferLayerConsumer.cpp
index f2d4c51..fc98dc8 100644
--- a/services/surfaceflinger/BufferLayerConsumer.cpp
+++ b/services/surfaceflinger/BufferLayerConsumer.cpp
@@ -217,7 +217,11 @@
// If item->mGraphicBuffer is not null, this buffer has not been acquired
// before, so we need to clean up old references.
if (item->mGraphicBuffer != nullptr) {
- mImages[item->mSlot] = std::make_shared<Image>(item->mGraphicBuffer, mRE);
+ std::lock_guard<std::mutex> lock(mImagesMutex);
+ if (mImages[item->mSlot] == nullptr || mImages[item->mSlot]->graphicBuffer() == nullptr ||
+ mImages[item->mSlot]->graphicBuffer()->getId() != item->mGraphicBuffer->getId()) {
+ mImages[item->mSlot] = std::make_shared<Image>(item->mGraphicBuffer, mRE);
+ }
}
return NO_ERROR;
@@ -238,7 +242,12 @@
// Hang onto the pointer so that it isn't freed in the call to
// releaseBufferLocked() if we're in shared buffer mode and both buffers are
// the same.
- std::shared_ptr<Image> nextTextureBuffer = mImages[slot];
+
+ std::shared_ptr<Image> nextTextureBuffer;
+ {
+ std::lock_guard<std::mutex> lock(mImagesMutex);
+ nextTextureBuffer = mImages[slot];
+ }
// release old buffer
if (mCurrentTexture != BufferQueue::INVALID_BUFFER_SLOT) {
@@ -436,6 +445,7 @@
void BufferLayerConsumer::freeBufferLocked(int slotIndex) {
BLC_LOGV("freeBufferLocked: slotIndex=%d", slotIndex);
+ std::lock_guard<std::mutex> lock(mImagesMutex);
if (slotIndex == mCurrentTexture) {
mCurrentTexture = BufferQueue::INVALID_BUFFER_SLOT;
}
@@ -468,6 +478,23 @@
}
}
+void BufferLayerConsumer::onBufferAllocated(const BufferItem& item) {
+ if (item.mGraphicBuffer != nullptr) {
+ std::shared_ptr<Image> image = std::make_shared<Image>(item.mGraphicBuffer, mRE);
+ std::shared_ptr<Image> oldImage;
+ {
+ std::lock_guard<std::mutex> lock(mImagesMutex);
+ oldImage = mImages[item.mSlot];
+ if (oldImage == nullptr || oldImage->graphicBuffer() == nullptr ||
+ oldImage->graphicBuffer()->getId() != item.mGraphicBuffer->getId()) {
+ mImages[item.mSlot] = std::make_shared<Image>(item.mGraphicBuffer, mRE);
+ }
+ image = mImages[item.mSlot];
+ }
+ mRE.cacheExternalTextureBuffer(image->graphicBuffer());
+ }
+}
+
void BufferLayerConsumer::addAndGetFrameTimestamps(const NewFrameEventsEntry* newTimestamps,
FrameEventHistoryDelta* outDelta) {
sp<Layer> l = mLayer.promote();
@@ -480,6 +507,7 @@
BLC_LOGV("abandonLocked");
mCurrentTextureBuffer = nullptr;
for (int i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) {
+ std::lock_guard<std::mutex> lock(mImagesMutex);
mImages[i] = nullptr;
}
ConsumerBase::abandonLocked();