commit 421ffb0be94bbacb4bed18524ea5f36695061e08
author Sally Qi <sallyqi@google.com> Mon Mar 21 19:41:33 2022 -0700
committer Sally Qi <sallyqi@google.com> Mon Mar 28 14:35:16 2022 -0700
tree f444d67222ce5d4ef3c67394b8e86e24fea3a65f
parent 4f33a956985766fff428fa3d834157be477fedba

[SurfaceFlinger] Disable HDR dimming when screen rotates.

- Disable dimming for screenshot layer

Bug: 224860402
Test: check HDR vidoes when rotation, atest libcompositionengine_test
Change-Id: Ib07a5af1d4e3e91737b3d5f3e5869c166759563f

services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp

diff --git a/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp b/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
index 8eb1946..ceee48c 100644
--- a/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
@@ -668,6 +668,13 @@
     EXPECT_EQ(mOutputState.sdrWhitePointNits / mOutputState.displayBrightnessNits,
               mOutputLayer.getState().dimmingRatio);
 
+    mLayerFEState.dimmingEnabled = false;
+    mOutputLayer.updateCompositionState(false, false, ui::Transform::RotationFlags::ROT_0);
+    EXPECT_EQ(mOutputState.displayBrightnessNits, mOutputLayer.getState().whitePointNits);
+    EXPECT_EQ(1.f, mOutputLayer.getState().dimmingRatio);
+
+    // change dimmingEnabled back to true.
+    mLayerFEState.dimmingEnabled = true;
     mLayerFEState.dataspace = ui::Dataspace::BT2020_ITU_PQ;
     mLayerFEState.isColorspaceAgnostic = false;
     mOutputLayer.updateCompositionState(false, false, ui::Transform::RotationFlags::ROT_0);