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/Layer.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/Layer.cpp')
| -rw-r--r-- | services/surfaceflinger/Layer.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp index 2298f038e9..a4f25e2900 100644 --- a/services/surfaceflinger/Layer.cpp +++ b/services/surfaceflinger/Layer.cpp @@ -213,7 +213,7 @@ LayerCreationArgs::LayerCreationArgs(SurfaceFlinger* flinger, sp<Client> client, * Layer. So, the implementation is done in BufferLayer. When called on a * EffectLayer object, it's essentially a NOP. */ -void Layer::onLayerDisplayed(std::shared_future<FenceResult>) {} +void Layer::onLayerDisplayed(ftl::SharedFuture<FenceResult>) {} void Layer::removeRelativeZ(const std::vector<Layer*>& layersInTree) { if (mDrawingState.zOrderRelativeOf == nullptr) { |