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// Copyright (C) 2020 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 "host-common/GoldfishMediaDefs.h"
#include "android/opengles.h"
#include <stddef.h>
#include <stdint.h>
#include <list>
#include <map>
namespace android {
namespace emulation {
// This is a helper class to render decoded frames
// to host color buffer
class MediaTexturePool {
public:
// for now, there is only NV12
struct TextureFrame {
uint32_t Ytex;
uint32_t UVtex;
};
// get a TextureFrame structure to hold decoded frame
TextureFrame getTextureFrame(int w, int h);
void saveDecodedFrameToTexture(TextureFrame frame,
void* privData,
void* func);
// put back a used TextureFrame so it can be reused again
// later
void putTextureFrame(TextureFrame frame);
void cleanUpTextures();
private:
using TexSizes = std::pair<int, int>;
using TexFrame = std::pair<uint32_t, uint32_t>;
using Pool = std::list<TextureFrame>;
using PoolHandle = std::list<TextureFrame>*;
std::map<TexSizes, PoolHandle> m_WH_to_PoolHandle;
std::map<TexFrame, TexSizes> m_Frame_to_WH;
std::map<TexFrame, PoolHandle> m_Frame_to_PoolHandle;
void deleteTextures(TextureFrame frame);
int m_id = 0;
public:
MediaTexturePool();
~MediaTexturePool();
private:
AndroidVirtioGpuOps* mVirtioGpuOps = nullptr;
};
} // namespace emulation
} // namespace android