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 "Rect.h" 20 #include "renderthread/RenderThread.h" 21 22 #include <SkBitmap.h> 23 24 namespace android { 25 class GraphicBuffer; 26 class Surface; 27 namespace uirenderer { 28 29 // Keep in sync with PixelCopy.java codes 30 enum class CopyResult { 31 Success = 0, 32 UnknownError = 1, 33 Timeout = 2, 34 SourceEmpty = 3, 35 SourceInvalid = 4, 36 DestinationInvalid = 5, 37 }; 38 39 class Readback { 40 public: 41 /** 42 * Copies the surface's most recently queued buffer into the provided bitmap. 43 */ 44 virtual CopyResult copySurfaceInto(Surface& surface, const Rect& srcRect, SkBitmap* bitmap) = 0; 45 virtual CopyResult copyGraphicBufferInto(GraphicBuffer* graphicBuffer, SkBitmap* bitmap) = 0; 46 47 protected: 48 explicit Readback(renderthread::RenderThread& thread) : mRenderThread(thread) {} 49 virtual ~Readback() {} 50 51 renderthread::RenderThread& mRenderThread; 52 }; 53 54 } // namespace uirenderer 55 } // namespace android 56
