android13/hardware/rockchip/hwcomposer/drmhwc2/include/drmbufferqueue.h

53 lines
1.7 KiB
C++
Executable File

/*
* Copyright (C) 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 _DRM_BUFFER_QUEUE_H_
#define _DRM_BUFFER_QUEUE_H_
#include "drmbuffer.h"
#include <ui/GraphicBuffer.h>
#include <queue>
namespace android {
#define DRM_BUFFERQUEUE_MAX_SIZE 6
class DrmBufferQueue{
public:
DrmBufferQueue();
DrmBufferQueue(int size);
~DrmBufferQueue();
bool NeedsReallocation(int w, int h, int format);
std::shared_ptr<DrmBuffer> FrontDrmBuffer();
std::shared_ptr<DrmBuffer> BackDrmBuffer();
std::shared_ptr<DrmBuffer> GetLastBuffer(int parent_id);
std::shared_ptr<DrmBuffer> DequeueDrmBuffer(int w,
int h,
int format,
uint64_t usage,
std::string name,
int parent_id = 0);
int QueueBuffer(const std::shared_ptr<DrmBuffer> buffer);
private:
std::string sName_;
int iMaxBufferSize_;
std::shared_ptr<DrmBuffer> currentBuffer_;
std::queue<std::shared_ptr<DrmBuffer>> bufferQueue_;
};
}// namespace android
#endif // #ifndef _DRM_BUFFER_QUEUE_H_