diff options
| author | 2022-05-09 09:36:19 -0700 | |
|---|---|---|
| committer | 2022-05-16 08:13:29 -0700 | |
| commit | b17c62120b646f378c0b842b3d7fcce8a5540e3e (patch) | |
| tree | 13f01098a51f9c387d3e8c87683f55ef40de4ba4 /services/surfaceflinger/BufferStateLayer.cpp | |
| parent | bb448ce9aa521f9574d94c9ec2d57eb7d37382cb (diff) | |
FTL: Yield futures without overhead
ftl::yield, which lifts T to std::future<T>, incurs the cost of
allocating, ref counting, and locking the latter's shared state.
Consolidate the existing std::future extensions into ftl::Future,
and optimize ftl::yield by including static storage for T within.
Bug: 232436803
Test: simpleperf (-31% cycles in postFramebuffer)
Change-Id: I9a7ca7de17e7af10515de97d2f6a0dfa24e35d7a
Diffstat (limited to 'services/surfaceflinger/BufferStateLayer.cpp')
| -rw-r--r-- | services/surfaceflinger/BufferStateLayer.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/services/surfaceflinger/BufferStateLayer.cpp b/services/surfaceflinger/BufferStateLayer.cpp index c88511049b..b424a4ae3a 100644 --- a/services/surfaceflinger/BufferStateLayer.cpp +++ b/services/surfaceflinger/BufferStateLayer.cpp @@ -73,7 +73,7 @@ BufferStateLayer::~BufferStateLayer() { // ----------------------------------------------------------------------- // Interface implementation for Layer // ----------------------------------------------------------------------- -void BufferStateLayer::onLayerDisplayed(std::shared_future<FenceResult> futureFenceResult) { +void BufferStateLayer::onLayerDisplayed(ftl::SharedFuture<FenceResult> futureFenceResult) { // If we are displayed on multiple displays in a single composition cycle then we would // need to do careful tracking to enable the use of the mLastClientCompositionFence. // For example we can only use it if all the displays are client comp, and we need |