commit 74e53776ddca1b658589a59e29b226e1afb3f2fa
author Kevin DuBois <kevindubois@google.com> Mon Nov 19 10:52:38 2018 -0800
committer Kevin DuBois <kevindubois@google.com> Mon Dec 03 13:45:01 2018 -0800
tree b54c7421cf9ffa5f8c06ac739ecb4ddf293d3a4e
parent face176394e0a28bd7b7b8bed13b4696e79668a2

[SurfaceFlinger] add setDisplayContentSamplingEnabled i/f

Add interface to ISurfaceComposer that can enable or disable
the graphics.composer's collection of the displayed content
statistics.

Bug: 116028618
Test: Boot
Test: ran test client against prototype, see enable/disable working.
Test: Ran new tests './libgui_test --gtest_filter="DisplayedContentSamp*"'
Test: on hwc with and without new function hook.
Change-Id: Ifb487e2bfbd8e0db6178ccbf762aa968c34576b9

services/surfaceflinger/DisplayHardware/ComposerHal.h

diff --git a/services/surfaceflinger/DisplayHardware/ComposerHal.h b/services/surfaceflinger/DisplayHardware/ComposerHal.h
index 61af348..0db12a1 100644
--- a/services/surfaceflinger/DisplayHardware/ComposerHal.h
+++ b/services/surfaceflinger/DisplayHardware/ComposerHal.h
@@ -192,6 +192,8 @@
     virtual Error getDisplayedContentSamplingAttributes(Display display, PixelFormat* outFormat,
                                                         Dataspace* outDataspace,
                                                         uint8_t* outComponentMask) = 0;
+    virtual Error setDisplayContentSamplingEnabled(Display display, bool enabled,
+                                                   uint8_t componentMask, uint64_t maxFrames) = 0;
     virtual Error getDisplayCapabilities(Display display,
                                          std::vector<DisplayCapability>* outCapabilities) = 0;
 };
@@ -396,6 +398,8 @@
     Error getDisplayedContentSamplingAttributes(Display display, PixelFormat* outFormat,
                                                 Dataspace* outDataspace,
                                                 uint8_t* outComponentMask) override;
+    Error setDisplayContentSamplingEnabled(Display display, bool enabled, uint8_t componentMask,
+                                           uint64_t maxFrames) override;
     Error getDisplayCapabilities(Display display,
                                  std::vector<DisplayCapability>* outCapabilities) override;