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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 <aidlcommonsupport/NativeHandle.h>
using AidlNativeHandle = aidl::android::hardware::common::NativeHandle;
namespace aidl::android::hardware::graphics::composer3::impl {
/// Some IResourceManager functions return a replaced buffer and that buffer should be
// released later (at the time of IBufferReleaser object destruction)
class IBufferReleaser {
public:
virtual ~IBufferReleaser() = default;
};
class IResourceManager {
public:
static std::unique_ptr<IResourceManager> create();
using RemoveDisplay = std::function<void(int64_t display, bool isVirtual,
const std::vector<int64_t>& layers)>;
virtual ~IResourceManager() = default;
virtual std::unique_ptr<IBufferReleaser> createReleaser(bool isBuffer) = 0;
virtual void clear(RemoveDisplay removeDisplay) = 0;
virtual bool hasDisplay(int64_t display) = 0;
virtual int32_t addPhysicalDisplay(int64_t display) = 0;
virtual int32_t addVirtualDisplay(int64_t display, uint32_t outputBufferCacheSize) = 0;
virtual int32_t removeDisplay(int64_t display) = 0;
virtual int32_t setDisplayClientTargetCacheSize(int64_t display,
uint32_t clientTargetCacheSize) = 0;
virtual int32_t getDisplayClientTargetCacheSize(int64_t display, size_t* outCacheSize) = 0;
virtual int32_t getDisplayOutputBufferCacheSize(int64_t display, size_t* outCacheSize) = 0;
virtual int32_t addLayer(int64_t display, int64_t layer, uint32_t bufferCacheSize) = 0;
virtual int32_t removeLayer(int64_t display, int64_t layer) = 0;
virtual void setDisplayMustValidateState(int64_t display, bool mustValidate) = 0;
virtual bool mustValidateDisplay(int64_t display) = 0;
virtual int32_t getDisplayReadbackBuffer(int64_t display, const buffer_handle_t handle,
buffer_handle_t& outHandle,
IBufferReleaser* bufReleaser) = 0;
virtual int32_t getDisplayClientTarget(int64_t display, uint32_t slot, bool fromCache,
const buffer_handle_t handle,
buffer_handle_t& outHandle,
IBufferReleaser* bufReleaser) = 0;
virtual int32_t getDisplayOutputBuffer(int64_t display, uint32_t slot, bool fromCache,
const buffer_handle_t handle,
buffer_handle_t& outHandle,
IBufferReleaser* bufReleaser) = 0;
virtual int32_t getLayerBuffer(int64_t display, int64_t layer, uint32_t slot,
bool fromCache,
const buffer_handle_t rawHandle,
buffer_handle_t& outBufferHandle,
IBufferReleaser* bufReleaser) = 0;
virtual int32_t getLayerSidebandStream(int64_t display, int64_t layer,
const buffer_handle_t rawHandle,
buffer_handle_t& outStreamHandle,
IBufferReleaser* bufReleaser) = 0;
};
} // namespace aidl::android::hardware::graphics::composer3::impl
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