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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 "host-common/MediaTexturePool.h"
#include "android/opengles.h"
#include <stddef.h>
#include <stdint.h>
#include <list>
namespace android {
namespace emulation {
// This is a helper class to render decoded frames
// to host color buffer
class MediaHostRenderer {
public:
using TextureFrame = MediaTexturePool::TextureFrame;
// get a TextureFrame structure to hold decoded frame
MediaTexturePool::TextureFrame getTextureFrame(int w, int h);
void saveDecodedFrameToTexture(MediaTexturePool::TextureFrame frame,
void* privData,
void* func);
// put back a used TextureFrame so it can be reused again
// later
void putTextureFrame(MediaTexturePool::TextureFrame frame) {
mTexturePool.putTextureFrame(frame);
}
void cleanUpTextures();
MediaTexturePool* getTexturePool() { return &mTexturePool; }
private:
MediaTexturePool mTexturePool;
public:
// render decoded frame stored in CPU memory
void renderToHostColorBuffer(int hostColorBufferId,
unsigned int outputWidth,
unsigned int outputHeight,
uint8_t* decodedFrame);
// render decoded frame stored in GPU texture; recycle the swapped
// out texture from colorbuffer into framepool
void renderToHostColorBufferWithTextures(
int hostColorBufferId,
unsigned int outputWidth,
unsigned int outputHeight,
MediaTexturePool::TextureFrame frame);
MediaHostRenderer();
~MediaHostRenderer();
private:
AndroidVirtioGpuOps* mVirtioGpuOps = nullptr;
};
} // namespace emulation
} // namespace android
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