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Commit d9a640b3 authored by Vishnu Nair's avatar Vishnu Nair
Browse files

[sf] Only trace rebuildLayerStacks if there are changes 

Clean up perfetto traces  to only show
tags when they are interesting.

Bug: 292225846
Test: open trace in perfetto
Change-Id: I1e3744abb08c7a3b34244db8ce8be5299cf86b19
parent 52d56fd1

services/surfaceflinger/CompositionEngine/src/Output.cpp

+2 −3
Original line number Diff line number Diff line
@@ -469,15 +469,14 @@ void Output::uncacheBuffers(std::vector<uint64_t> const& bufferIdsToUncache) { 


void Output::rebuildLayerStacks(const compositionengine::CompositionRefreshArgs& refreshArgs,

                                LayerFESet& layerFESet) {

    ATRACE_CALL();

    ALOGV(__FUNCTION__);



    auto& outputState = editState();



    // Do nothing if this output is not enabled or there is no need to perform this update

    if (!outputState.isEnabled || CC_LIKELY(!refreshArgs.updatingOutputGeometryThisFrame)) {

        return;

    }

    ATRACE_CALL();

    ALOGV(__FUNCTION__);



    // Process the layers to determine visibility and coverage

    compositionengine::Output::CoverageState coverage{layerFESet};