Faster bugreports (1/n) am: 27077b1393

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1441342

Change-Id: I304a61bece9ad29d145e0069bb9bb7d0cfd6da6f
diff --git a/libs/binder/ParcelableHolder.cpp b/libs/binder/ParcelableHolder.cpp
index e9df279..b2b8671 100644
--- a/libs/binder/ParcelableHolder.cpp
+++ b/libs/binder/ParcelableHolder.cpp
@@ -27,7 +27,6 @@
 namespace android {
 namespace os {
 status_t ParcelableHolder::writeToParcel(Parcel* p) const {
-    std::lock_guard<std::mutex> l(mMutex);
     RETURN_ON_FAILURE(p->writeInt32(static_cast<int32_t>(this->getStability())));
     if (this->mParcelPtr) {
         RETURN_ON_FAILURE(p->writeInt32(this->mParcelPtr->dataSize()));
@@ -53,7 +52,6 @@
 }
 
 status_t ParcelableHolder::readFromParcel(const Parcel* p) {
-    std::lock_guard<std::mutex> l(mMutex);
     this->mStability = static_cast<Stability>(p->readInt32());
     this->mParcelable = nullptr;
     this->mParcelableName = std::nullopt;
diff --git a/libs/binder/include/binder/ParcelableHolder.h b/libs/binder/include/binder/ParcelableHolder.h
index 5da2515..4ea3dd3 100644
--- a/libs/binder/include/binder/ParcelableHolder.h
+++ b/libs/binder/include/binder/ParcelableHolder.h
@@ -59,7 +59,6 @@
 
     template <typename T>
     bool setParcelable(std::shared_ptr<T> p) {
-        std::lock_guard<std::mutex> l(mMutex);
         static_assert(std::is_base_of<Parcelable, T>::value, "T must be derived from Parcelable");
         if (p && this->getStability() > p->getStability()) {
             return false;
@@ -73,7 +72,6 @@
     template <typename T>
     std::shared_ptr<T> getParcelable() const {
         static_assert(std::is_base_of<Parcelable, T>::value, "T must be derived from Parcelable");
-        std::lock_guard<std::mutex> l(mMutex);
         const std::string& parcelableDesc = T::getParcelableDescriptor();
         if (!this->mParcelPtr) {
             if (!this->mParcelable || !this->mParcelableName) {
@@ -135,7 +133,6 @@
     mutable std::optional<std::string> mParcelableName;
     mutable std::unique_ptr<Parcel> mParcelPtr;
     Stability mStability;
-    mutable std::mutex mMutex;
 };
 } // namespace os
 } // namespace android
diff --git a/libs/binder/ndk/include_cpp/android/binder_parcelable_utils.h b/libs/binder/ndk/include_cpp/android/binder_parcelable_utils.h
index 6701518..dfcf4dc 100644
--- a/libs/binder/ndk/include_cpp/android/binder_parcelable_utils.h
+++ b/libs/binder/ndk/include_cpp/android/binder_parcelable_utils.h
@@ -25,6 +25,8 @@
  */
 
 #pragma once
+#include <android/binder_parcel_utils.h>
+#include <optional>
 
 namespace ndk {
 // Also see Parcelable.h in libbinder.
@@ -33,6 +35,89 @@
     STABILITY_LOCAL,
     STABILITY_VINTF,  // corresponds to @VintfStability
 };
+#define RETURN_ON_FAILURE(expr)                   \
+    do {                                          \
+        binder_status_t _status = (expr);         \
+        if (_status != STATUS_OK) return _status; \
+    } while (false)
+
+class AParcelableHolder {
+   public:
+    AParcelableHolder() = delete;
+    explicit AParcelableHolder(parcelable_stability_t stability)
+        : mParcel(AParcel_create()), mStability(stability) {}
+
+    virtual ~AParcelableHolder() = default;
+
+    binder_status_t writeToParcel(AParcel* parcel) const {
+        RETURN_ON_FAILURE(AParcel_writeInt32(parcel, static_cast<int32_t>(this->mStability)));
+        RETURN_ON_FAILURE(AParcel_writeInt32(parcel, AParcel_getDataSize(this->mParcel.get())));
+        RETURN_ON_FAILURE(AParcel_appendFrom(this->mParcel.get(), parcel, 0,
+                                             AParcel_getDataSize(this->mParcel.get())));
+        return STATUS_OK;
+    }
+
+    binder_status_t readFromParcel(const AParcel* parcel) {
+        AParcel_reset(mParcel.get());
+
+        RETURN_ON_FAILURE(AParcel_readInt32(parcel, &this->mStability));
+        int32_t dataSize;
+        binder_status_t status = AParcel_readInt32(parcel, &dataSize);
+
+        if (status != STATUS_OK || dataSize < 0) {
+            return status != STATUS_OK ? status : STATUS_BAD_VALUE;
+        }
+
+        int32_t dataStartPos = AParcel_getDataPosition(parcel);
+
+        if (dataStartPos > INT32_MAX - dataSize) {
+            return STATUS_BAD_VALUE;
+        }
+
+        status = AParcel_appendFrom(parcel, mParcel.get(), dataStartPos, dataSize);
+        if (status != STATUS_OK) {
+            return status;
+        }
+        return AParcel_setDataPosition(parcel, dataStartPos + dataSize);
+    }
+
+    template <typename T>
+    bool setParcelable(T* p) {
+        if (p && this->mStability > T::_aidl_stability) {
+            return false;
+        }
+        AParcel_reset(mParcel.get());
+        AParcel_writeString(mParcel.get(), T::descriptor, strlen(T::descriptor));
+        p->writeToParcel(mParcel.get());
+        return true;
+    }
+
+    template <typename T>
+    std::unique_ptr<T> getParcelable() const {
+        const std::string parcelableDesc(T::descriptor);
+        AParcel_setDataPosition(mParcel.get(), 0);
+        if (AParcel_getDataSize(mParcel.get()) == 0) {
+            return nullptr;
+        }
+        std::string parcelableDescInParcel;
+        binder_status_t status = AParcel_readString(mParcel.get(), &parcelableDescInParcel);
+        if (status != STATUS_OK || parcelableDesc != parcelableDescInParcel) {
+            return nullptr;
+        }
+        std::unique_ptr<T> ret = std::make_unique<T>();
+        status = ret->readFromParcel(this->mParcel.get());
+        if (status != STATUS_OK) {
+            return nullptr;
+        }
+        return std::move(ret);
+    }
+
+   private:
+    mutable ndk::ScopedAParcel mParcel;
+    parcelable_stability_t mStability;
+};
+
+#undef RETURN_ON_FAILURE
 }  // namespace ndk
 
 /** @} */
diff --git a/libs/binder/ndk/include_ndk/android/binder_parcel.h b/libs/binder/ndk/include_ndk/android/binder_parcel.h
index a031e29..93c3f32 100644
--- a/libs/binder/ndk/include_ndk/android/binder_parcel.h
+++ b/libs/binder/ndk/include_ndk/android/binder_parcel.h
@@ -1120,6 +1120,53 @@
 // @END-PRIMITIVE-READ-WRITE
 
 #endif  //__ANDROID_API__ >= 29
+#if __ANDROID_API__ >= 31
+/**
+ * Reset the parcel to the initial status.
+ *
+ * Available since API level 31.
+ *
+ * \param parcel The parcel of which to be reset.
+ *
+ * \return STATUS_OK on success.
+ */
+binder_status_t AParcel_reset(AParcel* parcel) __INTRODUCED_IN(31);
+
+/**
+ * Gets the size of the parcel.
+ *
+ * Available since API level 31.
+ *
+ * \param parcel The parcel of which to get the size.
+ *
+ * \return The size of the parcel.
+ */
+int32_t AParcel_getDataSize(const AParcel* parcel) __INTRODUCED_IN(31);
+
+/**
+ * Copy the data of a parcel to other parcel.
+ *
+ * Available since API level 31.
+ *
+ * \param from The source
+ * \param to The detination
+ * \param start The position where the copied data starts.
+ * \param size The amount of data which will be copied.
+ *
+ * \return STATUS_OK on success.
+ */
+binder_status_t AParcel_appendFrom(const AParcel* from, AParcel* to, int32_t start, int32_t size)
+        __INTRODUCED_IN(31);
+
+/**
+ * Creates a parcel.
+ *
+ * Available since API level 31.
+ *
+ * \return A parcel which is not related to any IBinder objects.
+ */
+AParcel* AParcel_create() __INTRODUCED_IN(31);
+#endif  //__ANDROID_API__ >= 31
 __END_DECLS
 
 /** @} */
diff --git a/libs/binder/ndk/libbinder_ndk.map.txt b/libs/binder/ndk/libbinder_ndk.map.txt
index 1701fb5..947cc98 100644
--- a/libs/binder/ndk/libbinder_ndk.map.txt
+++ b/libs/binder/ndk/libbinder_ndk.map.txt
@@ -120,6 +120,11 @@
     AServiceManager_isDeclared; # apex llndk
     AServiceManager_registerLazyService; # llndk
     AServiceManager_waitForService; # apex llndk
+
+    AParcel_reset;
+    AParcel_getDataSize;
+    AParcel_appendFrom;
+    AParcel_create;
 };
 
 LIBBINDER_NDK_PLATFORM {
diff --git a/libs/binder/ndk/parcel.cpp b/libs/binder/ndk/parcel.cpp
index 722ae23..2f95318 100644
--- a/libs/binder/ndk/parcel.cpp
+++ b/libs/binder/ndk/parcel.cpp
@@ -647,4 +647,22 @@
     return parcel->get()->allowFds();
 }
 
+binder_status_t AParcel_reset(AParcel* parcel) {
+    parcel->get()->freeData();
+    return STATUS_OK;
+}
+
+int32_t AParcel_getDataSize(const AParcel* parcel) {
+    return parcel->get()->dataSize();
+}
+
+binder_status_t AParcel_appendFrom(const AParcel* from, AParcel* to, int32_t start, int32_t size) {
+    status_t status = to->get()->appendFrom(from->get(), start, size);
+    return PruneStatusT(status);
+}
+
+AParcel* AParcel_create() {
+    return new AParcel(nullptr);
+}
+
 // @END
diff --git a/libs/gralloc/types/Android.bp b/libs/gralloc/types/Android.bp
index 66fb295..cc31cd5 100644
--- a/libs/gralloc/types/Android.bp
+++ b/libs/gralloc/types/Android.bp
@@ -38,14 +38,14 @@
     ],
 
     shared_libs: [
-        "android.hardware.graphics.common-ndk_platform",
+        "android.hardware.graphics.common-unstable-ndk_platform",
         "android.hardware.graphics.mapper@4.0",
         "libhidlbase",
         "liblog",
     ],
 
     export_shared_lib_headers: [
-        "android.hardware.graphics.common-ndk_platform",
+        "android.hardware.graphics.common-unstable-ndk_platform",
         "android.hardware.graphics.mapper@4.0",
         "libhidlbase",
     ],
diff --git a/libs/gui/Surface.cpp b/libs/gui/Surface.cpp
index c3323fe..d6f9e63 100644
--- a/libs/gui/Surface.cpp
+++ b/libs/gui/Surface.cpp
@@ -732,6 +732,8 @@
         mSharedBufferHasBeenQueued = false;
     }
 
+    mDequeuedSlots.insert(buf);
+
     return OK;
 }
 
@@ -760,6 +762,8 @@
         mSharedBufferHasBeenQueued = true;
     }
 
+    mDequeuedSlots.erase(i);
+
     return OK;
 }
 
@@ -895,6 +899,8 @@
         ALOGE("queueBuffer: error queuing buffer to SurfaceTexture, %d", err);
     }
 
+    mDequeuedSlots.erase(i);
+
     if (mEnableFrameTimestamps) {
         mFrameEventHistory->applyDelta(output.frameTimestamps);
         // Update timestamps with the local acquire fence.
@@ -1660,6 +1666,7 @@
         mRemovedBuffers.push_back(mSlots[attachedSlot].buffer);
     }
     mSlots[attachedSlot].buffer = graphicBuffer;
+    mDequeuedSlots.insert(attachedSlot);
 
     return NO_ERROR;
 }
@@ -1926,6 +1933,10 @@
 }
 
 void Surface::freeAllBuffers() {
+    if (!mDequeuedSlots.empty()) {
+        ALOGE("%s: %zu buffers were freed while being dequeued!",
+                __FUNCTION__, mDequeuedSlots.size());
+    }
     for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
         mSlots[i].buffer = nullptr;
     }
@@ -1947,6 +1958,10 @@
             ALOGW("%s: Discarded slot %d doesn't contain buffer!", __FUNCTION__, i);
             continue;
         }
+        // Don't flush currently dequeued buffers
+        if (mDequeuedSlots.count(i) > 0) {
+            continue;
+        }
         outBuffers->push_back(mSlots[i].buffer);
         mSlots[i].buffer = nullptr;
     }
diff --git a/libs/gui/include/gui/Surface.h b/libs/gui/include/gui/Surface.h
index 49c83da..55b4101 100644
--- a/libs/gui/include/gui/Surface.h
+++ b/libs/gui/include/gui/Surface.h
@@ -30,6 +30,7 @@
 #include <utils/RefBase.h>
 
 #include <shared_mutex>
+#include <unordered_set>
 
 namespace android {
 
@@ -543,8 +544,15 @@
     int mMaxBufferCount;
 
     sp<IProducerListener> mListenerProxy;
+
+    // Get and flush the buffers of given slots, if the buffer in the slot
+    // is currently dequeued then it won't be flushed and won't be returned
+    // in outBuffers.
     status_t getAndFlushBuffersFromSlots(const std::vector<int32_t>& slots,
             std::vector<sp<GraphicBuffer>>* outBuffers);
+
+    // Buffers that are successfully dequeued/attached and handed to clients
+    std::unordered_set<int> mDequeuedSlots;
 };
 
 } // namespace android
diff --git a/libs/ui/Android.bp b/libs/ui/Android.bp
index 1ee8c71..47eb59f 100644
--- a/libs/ui/Android.bp
+++ b/libs/ui/Android.bp
@@ -72,7 +72,7 @@
         "android.hardware.graphics.allocator@2.0",
         "android.hardware.graphics.allocator@3.0",
         "android.hardware.graphics.allocator@4.0",
-        "android.hardware.graphics.common-ndk_platform",
+        "android.hardware.graphics.common-unstable-ndk_platform",
         "android.hardware.graphics.common@1.2",
         "android.hardware.graphics.mapper@2.0",
         "android.hardware.graphics.mapper@2.1",
@@ -89,7 +89,7 @@
 
     export_shared_lib_headers: [
         "android.hardware.graphics.common@1.2",
-        "android.hardware.graphics.common-ndk_platform",
+        "android.hardware.graphics.common-unstable-ndk_platform",
         "android.hardware.graphics.mapper@4.0",
         "libgralloctypes",
     ],
diff --git a/services/inputflinger/reader/include/TouchVideoDevice.h b/services/inputflinger/reader/include/TouchVideoDevice.h
index 5a32443..7de9b830 100644
--- a/services/inputflinger/reader/include/TouchVideoDevice.h
+++ b/services/inputflinger/reader/include/TouchVideoDevice.h
@@ -102,7 +102,7 @@
      * How many buffers to keep for the internal queue. When the internal buffer
      * exceeds this capacity, oldest frames will be dropped.
      */
-    static constexpr size_t MAX_QUEUE_SIZE = 10;
+    static constexpr size_t MAX_QUEUE_SIZE = 20;
     std::vector<TouchVideoFrame> mFrames;
 
     /**
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 1342cfc..9d65f2f 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -2122,7 +2122,8 @@
         mTimeStats->incrementCompositionStrategyChanges();
     }
 
-    mVSyncModulator->onRefreshed(mHadClientComposition);
+    // TODO: b/160583065 Enable skip validation when SF caches all client composition layers
+    mVSyncModulator->onRefreshed(mHadClientComposition || mReusedClientComposition);
 
     mLayersWithQueuedFrames.clear();
     if (mVisibleRegionsDirty) {
diff --git a/services/surfaceflinger/tests/Android.bp b/services/surfaceflinger/tests/Android.bp
index fe2af80..1532855 100644
--- a/services/surfaceflinger/tests/Android.bp
+++ b/services/surfaceflinger/tests/Android.bp
@@ -44,7 +44,7 @@
         "libtrace_proto",
     ],
     shared_libs: [
-        "android.hardware.graphics.common-ndk_platform",
+        "android.hardware.graphics.common-unstable-ndk_platform",
         "android.hardware.graphics.common@1.2",
         "android.hardware.graphics.composer@2.1",
         "libandroid",