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/*
* Copyright (C) 2021 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.
*/
#pragma once
#include <layerproto/TransactionProto.h>
#include <utils/RefBase.h>
#include "TransactionState.h"
namespace android::surfaceflinger {
struct TracingLayerCreationArgs {
int32_t layerId;
std::string name;
uint32_t flags = 0;
int32_t parentId = -1;
int32_t mirrorFromId = -1;
};
struct TracingLayerState : layer_state_t {
uint64_t bufferId;
uint32_t bufferHeight;
uint32_t bufferWidth;
int32_t pixelFormat;
uint64_t bufferUsage;
bool hasSidebandStream;
int32_t parentId;
int32_t relativeParentId;
int32_t inputCropId;
TracingLayerCreationArgs args;
};
// Class which exposes buffer properties from BufferData without holding on to the actual buffer
// handle.
class BufferDataStub : public BufferData {
public:
BufferDataStub(uint64_t bufferId, uint32_t width, uint32_t height, int32_t pixelFormat,
uint64_t outUsage)
: mBufferId(bufferId),
mWidth(width),
mHeight(height),
mPixelFormat(pixelFormat),
mOutUsage(outUsage) {}
bool hasBuffer() const override { return mBufferId != 0; }
bool hasSameBuffer(const BufferData& other) const override {
return getId() == other.getId() && frameNumber == other.frameNumber;
}
uint32_t getWidth() const override { return mWidth; }
uint32_t getHeight() const override { return mHeight; }
uint64_t getId() const override { return mBufferId; }
PixelFormat getPixelFormat() const override { return mPixelFormat; }
uint64_t getUsage() const override { return mOutUsage; }
private:
uint64_t mBufferId;
uint32_t mWidth;
uint32_t mHeight;
int32_t mPixelFormat;
uint64_t mOutUsage;
};
class TransactionProtoParser {
public:
// Utility class to map handles to ids and buffers to buffer properties without pulling
// in SurfaceFlinger dependencies.
class FlingerDataMapper {
public:
virtual ~FlingerDataMapper() = default;
virtual sp<IBinder> getLayerHandle(int32_t /* layerId */) const { return nullptr; }
virtual int64_t getLayerId(const sp<IBinder>& /* layerHandle */) const { return -1; }
virtual int64_t getLayerId(BBinder* /* layerHandle */) const { return -1; }
virtual sp<IBinder> getDisplayHandle(int32_t /* displayId */) const { return nullptr; }
virtual int32_t getDisplayId(const sp<IBinder>& /* displayHandle */) const { return -1; }
virtual std::shared_ptr<BufferData> getGraphicData(uint64_t bufferId, uint32_t width,
uint32_t height, int32_t pixelFormat,
uint64_t usage) const {
return std::make_shared<BufferDataStub>(bufferId, width, height, pixelFormat, usage);
}
virtual void getGraphicBufferPropertiesFromCache(client_cache_t /* cachedBuffer */,
uint64_t* /* outBufferId */,
uint32_t* /* outWidth */,
uint32_t* /* outHeight */,
int32_t* /* outPixelFormat */,
uint64_t* /* outUsage */) const {}
};
TransactionProtoParser(std::unique_ptr<FlingerDataMapper> provider)
: mMapper(std::move(provider)) {}
proto::TransactionState toProto(const TransactionState&);
proto::TransactionState toProto(const std::map<int32_t /* layerId */, TracingLayerState>&);
proto::LayerCreationArgs toProto(const TracingLayerCreationArgs& args);
TransactionState fromProto(const proto::TransactionState&);
void mergeFromProto(const proto::LayerState&, TracingLayerState& outState);
void fromProto(const proto::LayerCreationArgs&, TracingLayerCreationArgs& outArgs);
std::unique_ptr<FlingerDataMapper> mMapper;
private:
proto::LayerState toProto(const layer_state_t&);
proto::DisplayState toProto(const DisplayState&);
void fromProto(const proto::LayerState&, layer_state_t& out);
DisplayState fromProto(const proto::DisplayState&);
};
} // namespace android::surfaceflinger
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