[SurfaceFlinger] add getDisplayedContentSample i/f
Add interface to ISurfaceComposer that can query the
graphics.composer for statistics on the displayed pixel content.
Bug: 116028618
Test: Boot
Test: ran test client, see data collected
Change-Id: Ide9b81b80c3399e7d648c7b611514e0d699120de
diff --git a/services/surfaceflinger/DisplayHardware/ComposerHal.cpp b/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
index 3b7ed15..d6237cb 100644
--- a/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
+++ b/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
@@ -1079,6 +1079,31 @@
maxFrames);
}
+Error Composer::getDisplayedContentSample(Display display, uint64_t maxFrames, uint64_t timestamp,
+ DisplayedFrameStats* outStats) {
+ if (!outStats) {
+ return Error::BAD_PARAMETER;
+ }
+ if (!mClient_2_3) {
+ return Error::UNSUPPORTED;
+ }
+ Error error = kDefaultError;
+ mClient_2_3->getDisplayedContentSample(display, maxFrames, timestamp,
+ [&](const auto tmpError, auto tmpNumFrames,
+ const auto& tmpSamples0, const auto& tmpSamples1,
+ const auto& tmpSamples2, const auto& tmpSamples3) {
+ error = tmpError;
+ if (error == Error::NONE) {
+ outStats->numFrames = tmpNumFrames;
+ outStats->component_0_sample = tmpSamples0;
+ outStats->component_1_sample = tmpSamples1;
+ outStats->component_2_sample = tmpSamples2;
+ outStats->component_3_sample = tmpSamples3;
+ }
+ });
+ return error;
+}
+
CommandReader::~CommandReader()
{
resetData();