BlastBufferQueue: Add support for auto refresh
When BQ is in shared bufer mode, the client can request
the consumer to aquire frames as fast as possible before
waiting for a frame to be available. To support this for
BLAST, pass the state via a transaction.
Fixes: 168506187
Test: atest SurfaceViewBufferTests
Change-Id: I25ddd98671a08e56798612b7e5dc72095b2c4b7b
diff --git a/services/surfaceflinger/BufferQueueLayer.cpp b/services/surfaceflinger/BufferQueueLayer.cpp
index 71b05fd..dc99986 100644
--- a/services/surfaceflinger/BufferQueueLayer.cpp
+++ b/services/surfaceflinger/BufferQueueLayer.cpp
@@ -196,14 +196,6 @@
return frameNumber;
}
-bool BufferQueueLayer::getAutoRefresh() const {
- return mAutoRefresh;
-}
-
-bool BufferQueueLayer::getSidebandStreamChanged() const {
- return mSidebandStreamChanged;
-}
-
bool BufferQueueLayer::latchSidebandStream(bool& recomputeVisibleRegions) {
// We need to update the sideband stream if the layer has both a buffer and a sideband stream.
const bool updateSidebandStream = hasFrameUpdate() && mSidebandStream.get();
@@ -265,8 +257,10 @@
const uint64_t maxFrameNumberToAcquire =
std::min(mLastFrameNumberReceived.load(), lastSignaledFrameNumber);
- status_t updateResult = mConsumer->updateTexImage(&r, expectedPresentTime, &mAutoRefresh,
+ bool autoRefresh;
+ status_t updateResult = mConsumer->updateTexImage(&r, expectedPresentTime, &autoRefresh,
&queuedBuffer, maxFrameNumberToAcquire);
+ mAutoRefresh = autoRefresh;
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.