Readback.h revision 59eecb526adc5bd7041e7b6147bfcc40dd2c200e
1/* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#pragma once 18 19#include "renderthread/RenderThread.h" 20#include "Rect.h" 21 22#include <SkBitmap.h> 23#include <gui/Surface.h> 24 25namespace android { 26class GraphicBuffer; 27namespace uirenderer { 28 29// Keep in sync with PixelCopy.java codes 30enum class CopyResult { 31 Success = 0, 32 UnknownError = 1, 33 Timeout = 2, 34 SourceEmpty = 3, 35 SourceInvalid = 4, 36 DestinationInvalid = 5, 37}; 38 39class Readback { 40public: 41 /** 42 * Copies the surface's most recently queued buffer into the provided bitmap. 43 */ 44 virtual CopyResult copySurfaceInto(Surface& surface, const Rect& srcRect, 45 SkBitmap* bitmap) = 0; 46 virtual CopyResult copyGraphicBufferInto(GraphicBuffer* graphicBuffer, SkBitmap* bitmap) = 0; 47 48protected: 49 explicit Readback(renderthread::RenderThread& thread) : mRenderThread(thread) {} 50 virtual ~Readback() {} 51 52 renderthread::RenderThread& mRenderThread; 53}; 54 55} // namespace uirenderer 56} // namespace android 57