1 /* 2 * Copyright (c) 2021 Bestechnic (Shanghai) Co., Ltd. All rights reserved. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #include "display_device.h" 16 #include "components/root_view.h" 17 #include "draw/draw_utils.h" 18 #include "fbdev.h" 19 20 namespace OHOS 21 { GetInstance()22DisplayDevice *DisplayDevice::GetInstance() 23 { 24 static DisplayDevice instance; 25 if (!instance.isRegister_) { 26 FbdevInit(); 27 instance.isRegister_ = true; 28 #ifdef CONFIG_DISPLAY_RM69330 29 instance.SetScreenShape(CIRCLE); 30 #endif 31 } 32 return &instance; 33 } 34 GetFBBufferInfo()35BufferInfo *DisplayDevice::GetFBBufferInfo() 36 { 37 static BufferInfo bufferInfo; 38 LiteSurfaceData *surfaceData = GetDevSurfaceData(); 39 bufferInfo.rect = {0, 0, HORIZONTAL_RESOLUTION - 1, VERTICAL_RESOLUTION - 1}; 40 bufferInfo.mode = ARGB8888; 41 bufferInfo.color = 0x44; 42 bufferInfo.phyAddr = surfaceData->phyAddr; 43 bufferInfo.virAddr = surfaceData->virAddr; 44 // 3: Shift right 3 bits 45 bufferInfo.stride = HORIZONTAL_RESOLUTION * (DrawUtils::GetPxSizeByColorMode(bufferInfo.mode) >> 3); 46 bufferInfo.width = HORIZONTAL_RESOLUTION; 47 bufferInfo.height = VERTICAL_RESOLUTION; 48 this->fbAddr = surfaceData->phyAddr; 49 return &bufferInfo; 50 } 51 UpdateFBBuffer()52void DisplayDevice::UpdateFBBuffer() 53 { 54 BufferInfo *bufferInfo = DisplayDevice::GetInstance()->GetFBBufferInfo(); 55 if (this->fbAddr != bufferInfo->phyAddr) { 56 this->fbAddr = bufferInfo->phyAddr; 57 RootView::GetInstance()->UpdateBufferInfo(bufferInfo); 58 // Get the newest fbAddr, ensure that the buffer is available before TaskHandler() 59 } 60 } 61 Flush(const Rect & flushRect)62void DisplayDevice::Flush(const Rect& flushRect) 63 { 64 FbdevFlush(); 65 } 66 67 } // namespace OHOS 68