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/*
* Copyright 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_SURFACEINTERCEPTOR_H
#define ANDROID_SURFACEINTERCEPTOR_H
#include <frameworks/native/cmds/surfacereplayer/proto/src/trace.pb.h>
#include <mutex>
#include <binder/IBinder.h>
#include <gui/LayerState.h>
#include <utils/KeyedVector.h>
#include <utils/SortedVector.h>
#include <utils/StrongPointer.h>
#include <utils/Vector.h>
#include "DisplayDevice.h"
namespace android {
class BufferItem;
class Layer;
class SurfaceFlinger;
struct ComposerState;
struct DisplayDeviceState;
struct DisplayState;
struct layer_state_t;
using Transaction = surfaceflinger::Transaction;
using Trace = surfaceflinger::Trace;
using Rectangle = surfaceflinger::Rectangle;
using SurfaceChange = surfaceflinger::SurfaceChange;
using Increment = surfaceflinger::Increment;
using DisplayChange = surfaceflinger::DisplayChange;
constexpr auto DEFAULT_FILENAME = "/data/misc/wmtrace/transaction_trace.pb";
class SurfaceInterceptor : public IBinder::DeathRecipient {
public:
virtual ~SurfaceInterceptor();
// Both vectors are used to capture the current state of SF as the initial snapshot in the trace
virtual void enable(const SortedVector<sp<Layer>>& layers,
const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>& displays) = 0;
virtual void disable() = 0;
virtual bool isEnabled() = 0;
virtual void addTransactionTraceListener(
const sp<gui::ITransactionTraceListener>& listener) = 0;
virtual void binderDied(const wp<IBinder>& who) = 0;
// Intercept display and surface transactions
virtual void saveTransaction(
const Vector<ComposerState>& stateUpdates,
const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>& displays,
const Vector<DisplayState>& changedDisplays, uint32_t flags, int originPid,
int originUid, uint64_t transactionId) = 0;
// Intercept surface data
virtual void saveSurfaceCreation(const sp<const Layer>& layer) = 0;
virtual void saveSurfaceDeletion(const sp<const Layer>& layer) = 0;
virtual void saveBufferUpdate(int32_t layerId, uint32_t width, uint32_t height,
uint64_t frameNumber) = 0;
// Intercept display data
virtual void saveDisplayCreation(const DisplayDeviceState& info) = 0;
virtual void saveDisplayDeletion(int32_t sequenceId) = 0;
virtual void savePowerModeUpdate(int32_t sequenceId, int32_t mode) = 0;
virtual void saveVSyncEvent(nsecs_t timestamp) = 0;
};
namespace impl {
/*
* SurfaceInterceptor intercepts and stores incoming streams of window
* properties on SurfaceFlinger.
*/
class SurfaceInterceptor final : public android::SurfaceInterceptor {
public:
SurfaceInterceptor() = default;
~SurfaceInterceptor() override = default;
// Both vectors are used to capture the current state of SF as the initial snapshot in the trace
void enable(const SortedVector<sp<Layer>>& layers,
const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>& displays) override;
void disable() override;
bool isEnabled() override;
void addTransactionTraceListener(const sp<gui::ITransactionTraceListener>& listener) override;
void binderDied(const wp<IBinder>& who) override;
// Intercept display and surface transactions
void saveTransaction(const Vector<ComposerState>& stateUpdates,
const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>& displays,
const Vector<DisplayState>& changedDisplays, uint32_t flags, int originPid,
int originUid, uint64_t transactionId) override;
// Intercept surface data
void saveSurfaceCreation(const sp<const Layer>& layer) override;
void saveSurfaceDeletion(const sp<const Layer>& layer) override;
void saveBufferUpdate(int32_t layerId, uint32_t width, uint32_t height,
uint64_t frameNumber) override;
// Intercept display data
void saveDisplayCreation(const DisplayDeviceState& info) override;
void saveDisplayDeletion(int32_t sequenceId) override;
void savePowerModeUpdate(int32_t sequenceId, int32_t mode) override;
void saveVSyncEvent(nsecs_t timestamp) override;
private:
// The creation increments of Surfaces and Displays do not contain enough information to capture
// the initial state of each object, so a transaction with all of the missing properties is
// performed at the initial snapshot for each display and surface.
void saveExistingDisplaysLocked(
const DefaultKeyedVector< wp<IBinder>, DisplayDeviceState>& displays);
void saveExistingSurfacesLocked(const SortedVector<sp<Layer>>& layers);
void addInitialSurfaceStateLocked(Increment* increment, const sp<const Layer>& layer);
void addInitialDisplayStateLocked(Increment* increment, const DisplayDeviceState& display);
status_t writeProtoFileLocked();
const sp<const Layer> getLayer(const wp<const IBinder>& weakHandle) const;
int32_t getLayerId(const sp<const Layer>& layer) const;
int32_t getLayerIdFromWeakRef(const wp<const Layer>& layer) const;
int32_t getLayerIdFromHandle(const sp<const IBinder>& weakHandle) const;
Increment* createTraceIncrementLocked();
void addSurfaceCreationLocked(Increment* increment, const sp<const Layer>& layer);
void addSurfaceDeletionLocked(Increment* increment, const sp<const Layer>& layer);
void addBufferUpdateLocked(Increment* increment, int32_t layerId, uint32_t width,
uint32_t height, uint64_t frameNumber);
void addVSyncUpdateLocked(Increment* increment, nsecs_t timestamp);
void addDisplayCreationLocked(Increment* increment, const DisplayDeviceState& info);
void addDisplayDeletionLocked(Increment* increment, int32_t sequenceId);
void addPowerModeUpdateLocked(Increment* increment, int32_t sequenceId, int32_t mode);
// Add surface transactions to the trace
SurfaceChange* createSurfaceChangeLocked(Transaction* transaction, int32_t layerId);
void setProtoRectLocked(Rectangle* protoRect, const Rect& rect);
void addPositionLocked(Transaction* transaction, int32_t layerId, float x, float y);
void addDepthLocked(Transaction* transaction, int32_t layerId, uint32_t z);
void addSizeLocked(Transaction* transaction, int32_t layerId, uint32_t w, uint32_t h);
void addAlphaLocked(Transaction* transaction, int32_t layerId, float alpha);
void addMatrixLocked(Transaction* transaction, int32_t layerId,
const layer_state_t::matrix22_t& matrix);
void addTransparentRegionLocked(Transaction* transaction, int32_t layerId,
const Region& transRegion);
void addFlagsLocked(Transaction* transaction, int32_t layerId, uint8_t flags, uint8_t mask);
void addLayerStackLocked(Transaction* transaction, int32_t layerId, uint32_t layerStack);
void addCropLocked(Transaction* transaction, int32_t layerId, const Rect& rect);
void addCornerRadiusLocked(Transaction* transaction, int32_t layerId, float cornerRadius);
void addBackgroundBlurRadiusLocked(Transaction* transaction, int32_t layerId,
int32_t backgroundBlurRadius);
void addBlurRegionsLocked(Transaction* transaction, int32_t layerId,
const std::vector<BlurRegion>& effectRegions);
void addSurfaceChangesLocked(Transaction* transaction, const layer_state_t& state);
void addTransactionLocked(Increment* increment, const Vector<ComposerState>& stateUpdates,
const DefaultKeyedVector<wp<IBinder>, DisplayDeviceState>& displays,
const Vector<DisplayState>& changedDisplays,
uint32_t transactionFlags, int originPid, int originUid,
uint64_t transactionId);
void addReparentLocked(Transaction* transaction, int32_t layerId, int32_t parentId);
void addRelativeParentLocked(Transaction* transaction, int32_t layerId, int32_t parentId,
int z);
void addShadowRadiusLocked(Transaction* transaction, int32_t layerId, float shadowRadius);
void addTrustedOverlayLocked(Transaction* transaction, int32_t layerId, bool isTrustedOverlay);
// Add display transactions to the trace
DisplayChange* createDisplayChangeLocked(Transaction* transaction, int32_t sequenceId);
void addDisplaySurfaceLocked(Transaction* transaction, int32_t sequenceId,
const sp<const IGraphicBufferProducer>& surface);
void addDisplayLayerStackLocked(Transaction* transaction, int32_t sequenceId,
uint32_t layerStack);
void addDisplaySizeLocked(Transaction* transaction, int32_t sequenceId, uint32_t w,
uint32_t h);
void addDisplayProjectionLocked(Transaction* transaction, int32_t sequenceId,
int32_t orientation, const Rect& viewport, const Rect& frame);
void addDisplayChangesLocked(Transaction* transaction,
const DisplayState& state, int32_t sequenceId);
// Add transaction origin to trace
void setTransactionOriginLocked(Transaction* transaction, int32_t pid, int32_t uid);
bool mEnabled {false};
std::string mOutputFileName {DEFAULT_FILENAME};
std::mutex mTraceMutex {};
Trace mTrace {};
std::mutex mListenersMutex;
std::map<wp<IBinder>, sp<gui::ITransactionTraceListener>> mTraceToggledListeners
GUARDED_BY(mListenersMutex);
};
} // namespace impl
} // namespace android
#endif // ANDROID_SURFACEINTERCEPTOR_H
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