Merge "SurfaceView: Synchronize destframe updates with SurfaceView size changes" into sc-dev
diff --git a/cmds/atrace/atrace.rc b/cmds/atrace/atrace.rc
index 37fc9a9..e3c4ede 100644
--- a/cmds/atrace/atrace.rc
+++ b/cmds/atrace/atrace.rc
@@ -266,7 +266,10 @@
     chmod 0666 /sys/kernel/debug/tracing/per_cpu/cpu15/trace
     chmod 0666 /sys/kernel/tracing/per_cpu/cpu15/trace
 
-on post-fs-data
+# Only create the tracing instance if persist.mm_events.enabled
+# Attempting to remove the tracing instance after it has been created
+# will likely fail with EBUSY as it would be in use by traced_probes.
+on post-fs-data && property:persist.mm_events.enabled=true
 # Create MM Events Tracing Instance for Kmem Activity Trigger
     mkdir /sys/kernel/debug/tracing/instances/mm_events 0755 system system
     mkdir /sys/kernel/tracing/instances/mm_events 0755 system system
@@ -275,10 +278,18 @@
     chmod 0666 /sys/kernel/debug/tracing/instances/mm_events/buffer_size_kb
     chmod 0666 /sys/kernel/tracing/instances/mm_events/buffer_size_kb
 
+# Set the default buffer size to the minimum
+    write /sys/kernel/debug/tracing/instances/mm_events/buffer_size_kb 1
+    write /sys/kernel/tracing/instances/mm_events/buffer_size_kb 1
+
 # Read and enable tracing
     chmod 0666 /sys/kernel/debug/tracing/instances/mm_events/tracing_on
     chmod 0666 /sys/kernel/tracing/instances/mm_events/tracing_on
 
+# Tracing disabled by default
+    write /sys/kernel/debug/tracing/instances/mm_events/tracing_on 0
+    write /sys/kernel/tracing/instances/mm_events/tracing_on 0
+
 # Read and truncate kernel trace
     chmod 0666 /sys/kernel/debug/tracing/instances/mm_events/trace
     chmod 0666 /sys/kernel/tracing/instances/mm_events/trace
diff --git a/libs/binder/ndk/tests/Android.bp b/libs/binder/ndk/tests/Android.bp
index bb51bf0..ede4873 100644
--- a/libs/binder/ndk/tests/Android.bp
+++ b/libs/binder/ndk/tests/Android.bp
@@ -95,7 +95,7 @@
         "libbinder_ndk",
         "libutils",
     ],
-    test_suites: ["general-tests", "vts"],
+    test_suites: ["general-tests"],
     require_root: true,
 }
 
diff --git a/libs/input/Input.cpp b/libs/input/Input.cpp
index 70ed438..d954d23 100644
--- a/libs/input/Input.cpp
+++ b/libs/input/Input.cpp
@@ -23,6 +23,7 @@
 #include <limits.h>
 #include <string.h>
 
+#include <android-base/properties.h>
 #include <android-base/stringprintf.h>
 #include <input/Input.h>
 #include <input/InputDevice.h>
@@ -41,6 +42,15 @@
 
 namespace {
 
+// When per-window-input-rotation is enabled, InputFlinger works in the un-rotated display
+// coordinates and SurfaceFlinger includes the display rotation in the input window transforms.
+bool isPerWindowInputRotationEnabled() {
+    static const bool PER_WINDOW_INPUT_ROTATION =
+            base::GetBoolProperty("persist.debug.per_window_input_rotation", false);
+
+    return PER_WINDOW_INPUT_ROTATION;
+}
+
 float transformAngle(const ui::Transform& transform, float angleRadians) {
     // Construct and transform a vector oriented at the specified clockwise angle from vertical.
     // Coordinate system: down is increasing Y, right is increasing X.
@@ -506,6 +516,8 @@
                                              size_t historicalIndex) const {
     const PointerCoords* coords = getHistoricalRawPointerCoords(pointerIndex, historicalIndex);
 
+    if (!isPerWindowInputRotationEnabled()) return coords->getAxisValue(axis);
+
     if (axis == AMOTION_EVENT_AXIS_X || axis == AMOTION_EVENT_AXIS_Y) {
         // For compatibility, convert raw coordinates into "oriented screen space". Once app
         // developers are educated about getRaw, we can consider removing this.
diff --git a/libs/input/tests/InputEvent_test.cpp b/libs/input/tests/InputEvent_test.cpp
index 32b72ba..3b76ddb 100644
--- a/libs/input/tests/InputEvent_test.cpp
+++ b/libs/input/tests/InputEvent_test.cpp
@@ -17,6 +17,7 @@
 #include <array>
 #include <math.h>
 
+#include <android-base/properties.h>
 #include <attestation/HmacKeyManager.h>
 #include <binder/Parcel.h>
 #include <gtest/gtest.h>
@@ -225,13 +226,34 @@
     static constexpr float X_OFFSET = 1;
     static constexpr float Y_OFFSET = 1.1;
 
+    static const std::optional<bool> INITIAL_PER_WINDOW_INPUT_ROTATION_FLAG_VALUE;
+
     int32_t mId;
     ui::Transform mTransform;
 
+    void SetUp() override;
+    void TearDown() override;
+
     void initializeEventWithHistory(MotionEvent* event);
     void assertEqualsEventWithHistory(const MotionEvent* event);
 };
 
+const std::optional<bool> MotionEventTest::INITIAL_PER_WINDOW_INPUT_ROTATION_FLAG_VALUE =
+        !base::GetProperty("persist.debug.per_window_input_rotation", "").empty()
+        ? std::optional(base::GetBoolProperty("persist.debug.per_window_input_rotation", false))
+        : std::nullopt;
+
+void MotionEventTest::SetUp() {
+    // Ensure per_window_input_rotation is enabled.
+    base::SetProperty("persist.debug.per_window_input_rotation", "true");
+}
+
+void MotionEventTest::TearDown() {
+    const auto val = INITIAL_PER_WINDOW_INPUT_ROTATION_FLAG_VALUE.has_value()
+            ? (*INITIAL_PER_WINDOW_INPUT_ROTATION_FLAG_VALUE ? "true" : "false")
+            : "";
+    base::SetProperty("persist.debug.per_window_input_rotation", val);
+}
 
 void MotionEventTest::initializeEventWithHistory(MotionEvent* event) {
     mId = InputEvent::nextId();
diff --git a/services/surfaceflinger/BufferStateLayer.cpp b/services/surfaceflinger/BufferStateLayer.cpp
index 032ff9a..6253036 100644
--- a/services/surfaceflinger/BufferStateLayer.cpp
+++ b/services/surfaceflinger/BufferStateLayer.cpp
@@ -890,7 +890,11 @@
     mBufferInfo.mFenceTime = std::make_shared<FenceTime>(s.acquireFence);
     mBufferInfo.mFence = s.acquireFence;
     mBufferInfo.mTransform = s.bufferTransform;
+    auto lastDataspace = mBufferInfo.mDataspace;
     mBufferInfo.mDataspace = translateDataspace(s.dataspace);
+    if (lastDataspace != mBufferInfo.mDataspace) {
+        mFlinger->mSomeDataspaceChanged = true;
+    }
     mBufferInfo.mCrop = computeBufferCrop(s);
     mBufferInfo.mScaleMode = NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW;
     mBufferInfo.mSurfaceDamage = s.surfaceDamageRegion;
diff --git a/services/surfaceflinger/CompositionEngine/src/planner/CachedSet.cpp b/services/surfaceflinger/CompositionEngine/src/planner/CachedSet.cpp
index f80ec22..c1cd5ab 100644
--- a/services/surfaceflinger/CompositionEngine/src/planner/CachedSet.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/planner/CachedSet.cpp
@@ -218,6 +218,7 @@
     }
 
     renderengine::LayerSettings holePunchSettings;
+    renderengine::LayerSettings holePunchBackgroundSettings;
     if (mHolePunchLayer) {
         auto clientCompositionList =
                 mHolePunchLayer->getOutputLayer()->getLayerFE().prepareClientCompositionList(
@@ -232,6 +233,15 @@
         holePunchSettings.alpha = 0.0f;
         holePunchSettings.name = std::string("hole punch layer");
         layerSettingsPointers.push_back(&holePunchSettings);
+
+        // Add a solid background as the first layer in case there is no opaque
+        // buffer behind the punch hole
+        holePunchBackgroundSettings.alpha = 1.0f;
+        holePunchBackgroundSettings.name = std::string("holePunchBackground");
+        holePunchBackgroundSettings.geometry.boundaries = holePunchSettings.geometry.boundaries;
+        holePunchBackgroundSettings.geometry.positionTransform =
+                holePunchSettings.geometry.positionTransform;
+        layerSettingsPointers.insert(layerSettingsPointers.begin(), &holePunchBackgroundSettings);
     }
 
     if (sDebugHighlighLayers) {
diff --git a/services/surfaceflinger/CompositionEngine/tests/planner/CachedSetTest.cpp b/services/surfaceflinger/CompositionEngine/tests/planner/CachedSetTest.cpp
index b765337..ec81322 100644
--- a/services/surfaceflinger/CompositionEngine/tests/planner/CachedSetTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/planner/CachedSetTest.cpp
@@ -656,12 +656,22 @@
                                 base::unique_fd&&, base::unique_fd*) -> size_t {
         // If the highlight layer is enabled, it will increase the size by 1.
         // We're interested in the third layer either way.
-        EXPECT_GE(layers.size(), 3u);
-        const auto* holePunchSettings = layers[2];
-        EXPECT_EQ(nullptr, holePunchSettings->source.buffer.buffer);
-        EXPECT_EQ(half3(0.0f, 0.0f, 0.0f), holePunchSettings->source.solidColor);
-        EXPECT_TRUE(holePunchSettings->disableBlending);
-        EXPECT_EQ(0.0f, holePunchSettings->alpha);
+        EXPECT_GE(layers.size(), 4u);
+        {
+            const auto* holePunchSettings = layers[3];
+            EXPECT_EQ(nullptr, holePunchSettings->source.buffer.buffer);
+            EXPECT_EQ(half3(0.0f, 0.0f, 0.0f), holePunchSettings->source.solidColor);
+            EXPECT_TRUE(holePunchSettings->disableBlending);
+            EXPECT_EQ(0.0f, holePunchSettings->alpha);
+        }
+
+        {
+            const auto* holePunchBackgroundSettings = layers[0];
+            EXPECT_EQ(nullptr, holePunchBackgroundSettings->source.buffer.buffer);
+            EXPECT_EQ(half3(0.0f, 0.0f, 0.0f), holePunchBackgroundSettings->source.solidColor);
+            EXPECT_FALSE(holePunchBackgroundSettings->disableBlending);
+            EXPECT_EQ(1.0f, holePunchBackgroundSettings->alpha);
+        }
 
         return NO_ERROR;
     };
@@ -706,12 +716,23 @@
                                 base::unique_fd&&, base::unique_fd*) -> size_t {
         // If the highlight layer is enabled, it will increase the size by 1.
         // We're interested in the third layer either way.
-        EXPECT_GE(layers.size(), 3u);
-        const auto* holePunchSettings = layers[2];
-        EXPECT_EQ(nullptr, holePunchSettings->source.buffer.buffer);
-        EXPECT_EQ(half3(0.0f, 0.0f, 0.0f), holePunchSettings->source.solidColor);
-        EXPECT_TRUE(holePunchSettings->disableBlending);
-        EXPECT_EQ(0.0f, holePunchSettings->alpha);
+        EXPECT_GE(layers.size(), 4u);
+
+        {
+            const auto* holePunchSettings = layers[3];
+            EXPECT_EQ(nullptr, holePunchSettings->source.buffer.buffer);
+            EXPECT_EQ(half3(0.0f, 0.0f, 0.0f), holePunchSettings->source.solidColor);
+            EXPECT_TRUE(holePunchSettings->disableBlending);
+            EXPECT_EQ(0.0f, holePunchSettings->alpha);
+        }
+
+        {
+            const auto* holePunchBackgroundSettings = layers[0];
+            EXPECT_EQ(nullptr, holePunchBackgroundSettings->source.buffer.buffer);
+            EXPECT_EQ(half3(0.0f, 0.0f, 0.0f), holePunchBackgroundSettings->source.solidColor);
+            EXPECT_FALSE(holePunchBackgroundSettings->disableBlending);
+            EXPECT_EQ(1.0f, holePunchBackgroundSettings->alpha);
+        }
 
         return NO_ERROR;
     };
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index f44ae71..230810c 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1643,6 +1643,9 @@
         hdrInfoReporter = sp<HdrLayerInfoReporter>::make();
     }
     hdrInfoReporter->addListener(listener);
+
+
+    mAddingHDRLayerInfoListener = true;
     return OK;
 }
 
@@ -2143,6 +2146,8 @@
             mTracing.notify("bufferLatched");
         }
     }
+
+    mVisibleRegionsWereDirtyThisFrame = mVisibleRegionsDirty; // Cache value for use in post-comp
     mVisibleRegionsDirty = false;
 
     if (mCompositionEngine->needsAnotherUpdate()) {
@@ -2287,6 +2292,7 @@
 
     std::vector<std::pair<std::shared_ptr<compositionengine::Display>, sp<HdrLayerInfoReporter>>>
             hdrInfoListeners;
+    bool haveNewListeners = false;
     {
         Mutex::Autolock lock(mStateLock);
         if (mFpsReporter) {
@@ -2304,37 +2310,45 @@
                 }
             }
         }
+        haveNewListeners = mAddingHDRLayerInfoListener; // grab this with state lock
+        mAddingHDRLayerInfoListener = false;
     }
 
-    for (auto& [compositionDisplay, listener] : hdrInfoListeners) {
-        HdrLayerInfoReporter::HdrLayerInfo info;
-        int32_t maxArea = 0;
-        mDrawingState.traverse([&, compositionDisplay = compositionDisplay](Layer* layer) {
-            const auto layerFe = layer->getCompositionEngineLayerFE();
-            if (layer->isVisible() && compositionDisplay->belongsInOutput(layerFe)) {
-                const Dataspace transfer =
+    if (haveNewListeners || mSomeDataspaceChanged || mVisibleRegionsWereDirtyThisFrame) {
+        for (auto& [compositionDisplay, listener] : hdrInfoListeners) {
+            HdrLayerInfoReporter::HdrLayerInfo info;
+            int32_t maxArea = 0;
+            mDrawingState.traverse([&, compositionDisplay = compositionDisplay](Layer* layer) {
+                const auto layerFe = layer->getCompositionEngineLayerFE();
+                if (layer->isVisible() && compositionDisplay->belongsInOutput(layerFe)) {
+                    const Dataspace transfer =
                         static_cast<Dataspace>(layer->getDataSpace() & Dataspace::TRANSFER_MASK);
-                const bool isHdr = (transfer == Dataspace::TRANSFER_ST2084 ||
-                                    transfer == Dataspace::TRANSFER_HLG);
+                    const bool isHdr = (transfer == Dataspace::TRANSFER_ST2084 ||
+                                        transfer == Dataspace::TRANSFER_HLG);
 
-                if (isHdr) {
-                    const auto* outputLayer = compositionDisplay->getOutputLayerForLayer(layerFe);
-                    if (outputLayer) {
-                        info.numberOfHdrLayers++;
-                        const auto displayFrame = outputLayer->getState().displayFrame;
-                        const int32_t area = displayFrame.width() * displayFrame.height();
-                        if (area > maxArea) {
-                            maxArea = area;
-                            info.maxW = displayFrame.width();
-                            info.maxH = displayFrame.height();
+                    if (isHdr) {
+                        const auto* outputLayer =
+                            compositionDisplay->getOutputLayerForLayer(layerFe);
+                        if (outputLayer) {
+                            info.numberOfHdrLayers++;
+                            const auto displayFrame = outputLayer->getState().displayFrame;
+                            const int32_t area = displayFrame.width() * displayFrame.height();
+                            if (area > maxArea) {
+                                maxArea = area;
+                                info.maxW = displayFrame.width();
+                                info.maxH = displayFrame.height();
+                            }
                         }
                     }
                 }
-            }
-        });
-        listener->dispatchHdrLayerInfo(info);
+            });
+            listener->dispatchHdrLayerInfo(info);
+        }
     }
 
+    mSomeDataspaceChanged = false;
+    mVisibleRegionsWereDirtyThisFrame = false;
+
     mTransactionCallbackInvoker.addPresentFence(mPreviousPresentFences[0].fence);
     mTransactionCallbackInvoker.sendCallbacks();
 
@@ -2481,7 +2495,6 @@
     handleTransactionLocked(transactionFlags);
 
     mDebugInTransaction = 0;
-    invalidateHwcGeometry();
     // here the transaction has been committed
 }
 
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 4fd86af..380f444 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -1240,11 +1240,19 @@
     State mDrawingState{LayerVector::StateSet::Drawing};
     bool mVisibleRegionsDirty = false;
 
+    // VisibleRegions dirty is already cleared by postComp, but we need to track it to prevent
+    // extra work in the HDR layer info listener.
+    bool mVisibleRegionsWereDirtyThisFrame = false;
+    // Used to ensure we omit a callback when HDR layer info listener is newly added but the
+    // scene hasn't changed
+    bool mAddingHDRLayerInfoListener = false;
+
     // Set during transaction application stage to track if the input info or children
     // for a layer has changed.
     // TODO: Also move visibleRegions over to a boolean system.
     bool mInputInfoChanged = false;
     bool mSomeChildrenChanged;
+    bool mSomeDataspaceChanged = false;
     bool mForceTransactionDisplayChange = false;
 
     bool mGeometryInvalid = false;