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/HWC2.h

diff --git a/services/surfaceflinger/DisplayHardware/HWC2.h b/services/surfaceflinger/DisplayHardware/HWC2.h
index 8c0f50c..2d65051 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.h
+++ b/services/surfaceflinger/DisplayHardware/HWC2.h
@@ -240,6 +240,9 @@
     [[clang::warn_unused_result]] Error getDisplayedContentSamplingAttributes(
             android::ui::PixelFormat* outFormat, android::ui::Dataspace* outDataspace,
             uint8_t* outComponentMask) const;
+    [[clang::warn_unused_result]] Error setDisplayContentSamplingEnabled(bool enabled,
+                                                                         uint8_t componentMask,
+                                                                         uint64_t maxFrames) const;
     [[clang::warn_unused_result]] Error getReleaseFences(
             std::unordered_map<Layer*,
                     android::sp<android::Fence>>* outFences) const;