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/*
* 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.
*/
#pragma once
#include "Matrix.h"
#include "Rect.h"
#include "renderthread/RenderThread.h"
#include <SkBitmap.h>
namespace android {
class Bitmap;
class GraphicBuffer;
class Surface;
namespace uirenderer {
class DeferredLayerUpdater;
class Layer;
// Keep in sync with PixelCopy.java codes
enum class CopyResult {
Success = 0,
UnknownError = 1,
Timeout = 2,
SourceEmpty = 3,
SourceInvalid = 4,
DestinationInvalid = 5,
};
class Readback {
public:
explicit Readback(renderthread::RenderThread& thread) : mRenderThread(thread) {}
/**
* Copies the surface's most recently queued buffer into the provided bitmap.
*/
CopyResult copySurfaceInto(Surface& surface, const Rect& srcRect, SkBitmap* bitmap);
CopyResult copyHWBitmapInto(Bitmap* hwBitmap, SkBitmap* bitmap);
CopyResult copyLayerInto(DeferredLayerUpdater* layer, SkBitmap* bitmap);
private:
CopyResult copyImageInto(const sk_sp<SkImage>& image, Matrix4& texTransform,
const Rect& srcRect, SkBitmap* bitmap);
bool copyLayerInto(Layer* layer, const SkRect* srcRect, const SkRect* dstRect,
SkBitmap* bitmap);
renderthread::RenderThread& mRenderThread;
};
} // namespace uirenderer
} // namespace android
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