[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/HWComposer.h b/services/surfaceflinger/DisplayHardware/HWComposer.h
index 3f1328e..4d0694e 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.h
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.h
@@ -36,6 +36,7 @@
namespace android {
+struct DisplayedFrameStats;
class GraphicBuffer;
class String8;
class TestableSurfaceFlinger;
@@ -133,6 +134,8 @@
uint8_t* outComponentMask);
status_t setDisplayContentSamplingEnabled(DisplayId displayId, bool enabled,
uint8_t componentMask, uint64_t maxFrames);
+ status_t getDisplayedContentSample(DisplayId displayId, uint64_t maxFrames, uint64_t timestamp,
+ DisplayedFrameStats* outStats);
// Events handling ---------------------------------------------------------