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/*
* Copyright 2018 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_GUI_BUFFERHUBCONSUMER_H_
#define ANDROID_GUI_BUFFERHUBCONSUMER_H_
#include <gui/IGraphicBufferConsumer.h>
#include <private/dvr/buffer_hub_queue_client.h>
#include <private/dvr/buffer_hub_queue_parcelable.h>
namespace android {
class BufferHubConsumer : public IGraphicBufferConsumer {
public:
// Creates a BufferHubConsumer instance by importing an existing producer queue.
static sp<BufferHubConsumer> Create(const std::shared_ptr<dvr::ConsumerQueue>& queue);
// Creates a BufferHubConsumer instance by importing an existing producer
// parcelable. Note that this call takes the ownership of the parcelable
// object and is guaranteed to succeed if parcelable object is valid.
static sp<BufferHubConsumer> Create(dvr::ConsumerQueueParcelable parcelable);
// See |IGraphicBufferConsumer::acquireBuffer|
status_t acquireBuffer(BufferItem* buffer, nsecs_t presentWhen,
uint64_t maxFrameNumber = 0) override;
// See |IGraphicBufferConsumer::detachBuffer|
status_t detachBuffer(int slot) override;
// See |IGraphicBufferConsumer::attachBuffer|
status_t attachBuffer(int* outSlot, const sp<GraphicBuffer>& buffer) override;
// See |IGraphicBufferConsumer::releaseBuffer|
status_t releaseBuffer(int buf, uint64_t frameNumber, EGLDisplay display, EGLSyncKHR fence,
const sp<Fence>& releaseFence) override;
// See |IGraphicBufferConsumer::consumerConnect|
status_t consumerConnect(const sp<IConsumerListener>& consumer, bool controlledByApp) override;
// See |IGraphicBufferConsumer::consumerDisconnect|
status_t consumerDisconnect() override;
// See |IGraphicBufferConsumer::getReleasedBuffers|
status_t getReleasedBuffers(uint64_t* slotMask) override;
// See |IGraphicBufferConsumer::setDefaultBufferSize|
status_t setDefaultBufferSize(uint32_t w, uint32_t h) override;
// See |IGraphicBufferConsumer::setMaxBufferCount|
status_t setMaxBufferCount(int bufferCount) override;
// See |IGraphicBufferConsumer::setMaxAcquiredBufferCount|
status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers) override;
// See |IGraphicBufferConsumer::setConsumerName|
status_t setConsumerName(const String8& name) override;
// See |IGraphicBufferConsumer::setDefaultBufferFormat|
status_t setDefaultBufferFormat(PixelFormat defaultFormat) override;
// See |IGraphicBufferConsumer::setDefaultBufferDataSpace|
status_t setDefaultBufferDataSpace(android_dataspace defaultDataSpace) override;
// See |IGraphicBufferConsumer::setConsumerUsageBits|
status_t setConsumerUsageBits(uint64_t usage) override;
// See |IGraphicBufferConsumer::setConsumerIsProtected|
status_t setConsumerIsProtected(bool isProtected) override;
// See |IGraphicBufferConsumer::setTransformHint|
status_t setTransformHint(uint32_t hint) override;
// See |IGraphicBufferConsumer::getSidebandStream|
status_t getSidebandStream(sp<NativeHandle>* outStream) const override;
// See |IGraphicBufferConsumer::getOccupancyHistory|
status_t getOccupancyHistory(bool forceFlush,
std::vector<OccupancyTracker::Segment>* outHistory) override;
// See |IGraphicBufferConsumer::discardFreeBuffers|
status_t discardFreeBuffers() override;
// See |IGraphicBufferConsumer::dumpState|
status_t dumpState(const String8& prefix, String8* outResult) const override;
// BufferHubConsumer provides its own logic to cast to a binder object.
IBinder* onAsBinder() override;
private:
// Private constructor to force use of |Create|.
BufferHubConsumer() = default;
// Concrete implementation backed by BufferHubBuffer.
std::shared_ptr<dvr::ConsumerQueue> mQueue;
};
} // namespace android
#endif // ANDROID_GUI_BUFFERHUBCONSUMER_H_