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