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54 lines
2.1 KiB
54 lines
2.1 KiB
4 months ago
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/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.frameworks.bufferhub@1.0;
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import android.hardware.graphics.common@1.2::HardwareBufferDescription;
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import IBufferClient;
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interface IBufferHub {
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/**
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* Allocates a new buffer.
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*
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* @param description The desired buffer parameters for the new buffer.
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* @param userMetadataSize The size of the user defined metadata in bytes.
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* @return status The result of this operation. NO_ERROR on success,
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* error code on failure.
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* @return bufferClient An bufferClient interface associated with
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* the buffer just allocated.
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* @return bufferTraits the struct containing the information of the buffer.
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*/
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allocateBuffer(HardwareBufferDescription description,
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uint32_t userMetadataSize)
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generates (BufferHubStatus status,
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IBufferClient bufferClient,
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BufferTraits bufferTraits);
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/**
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* Fetches a bufferClient interface from a provided handle.
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*
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* @param nativeHandle Handle received from allocateBuffer.
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* @return status The result of this operation. NO_ERROR on success,
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* error code on failure.
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* @return bufferClient An bufferClient interface associated with
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* the nativeHandle passed in.
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* @return bufferTraits the struct containing the information of the buffer.
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*/
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importBuffer(handle nativeHandle)
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generates (BufferHubStatus status,
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IBufferClient bufferClient,
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BufferTraits bufferTraits);
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};
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