/********************************************************************* * Portions COPYRIGHT 2016 STMicroelectronics * * Portions SEGGER Microcontroller GmbH & Co. KG * * Solutions for real time microcontroller applications * ********************************************************************** * * * (c) 1996 - 2015 SEGGER Microcontroller GmbH & Co. KG * * * * Internet: www.segger.com Support: support@segger.com * * * ********************************************************************** ** emWin V5.32 - Graphical user interface for embedded applications ** All Intellectual Property rights in the Software belongs to SEGGER. emWin is protected by international copyright laws. Knowledge of the source code may not be used to write a similar product. This file may only be used in accordance with the following terms: The software has been licensed to STMicroelectronics International N.V. a Dutch company with a Swiss branch and its headquarters in Plan- les-Ouates, Geneva, 39 Chemin du Champ des Filles, Switzerland for the purposes of creating libraries for ARM Cortex-M-based 32-bit microcon_ troller products commercialized by Licensee only, sublicensed and dis_ tributed under the terms and conditions of the End User License Agree_ ment supplied by STMicroelectronics International N.V. Full source code is available at: www.segger.com We appreciate your understanding and fairness. ---------------------------------------------------------------------- File : GUIDRV_Lin_Opt_24.h Purpose : Optimized routines, included by GUIDRV_Lin_..._24.c ---------------------------END-OF-HEADER------------------------------ */ /** ****************************************************************************** * @attention * * Licensed under MCD-ST Liberty SW License Agreement V2, (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.st.com/software_license_agreement_liberty_v2 * * 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. * ****************************************************************************** */ /********************************************************************* * * Static functions * ********************************************************************** */ /********************************************************************* * * _FillRectOpt24 * * Purpose: * Optimized filling routine for 24 bpp */ static void _FillRectOpt24(GUI_DEVICE * pDevice, int x0, int y0, int x1, int y1) { DRIVER_CONTEXT * pContext; U32 Off, Off0, OffLine; int RemPixels, NumLines, RemLines, RemItems, Odd; U32 Data, Data0, Data1, Data2; LCD_PIXELINDEX ColorIndex; pContext = (DRIVER_CONTEXT *)pDevice->u.pContext; Off0 = XY2OFF32(pContext->vxSizePhys, x0, y0); RemPixels = x1 - x0 + 1; Odd = x0 & 3; NumLines = y1 - y0 + 1; OffLine = (pContext->vxSizePhys + pContext->vxSizePhys +pContext->vxSizePhys) >> 2; RemItems = 0; Off = 0; if (GUI_pContext->DrawMode & LCD_DRAWMODE_XOR) { // // First triple DWORD // if (Odd) { for (RemLines = NumLines; RemLines; RemLines--) { RemItems = RemPixels; Off = Off0 + OffLine * (RemLines - 1); Data = READ_MEM32(pContext->VRAMAddr, Off); switch (Odd) { case 1: Data ^= 0xFF000000; WRITE_MEM32(pContext->VRAMAddr, Off, Data); Off++; Data = READ_MEM32(pContext->VRAMAddr, Off); Data ^= 0x0000FFFF; RemItems--; if (!RemItems) { WRITE_MEM32(pContext->VRAMAddr, Off, Data); break; } // // no break at this position required... // case 2: Data ^= 0xFFFF0000; WRITE_MEM32(pContext->VRAMAddr, Off, Data); Off++; Data = READ_MEM32(pContext->VRAMAddr, Off); Data ^= 0x000000FF; RemItems--; if (!RemItems) { WRITE_MEM32(pContext->VRAMAddr, Off, Data); break; } // // no break at this position required... // case 3: Data ^= 0xFFFFFF00; RemItems--; WRITE_MEM32(pContext->VRAMAddr, Off, Data); Off++; } } Off0 = Off; RemPixels -= (RemPixels - RemItems); } // // Complete triple DWORDS // if (RemPixels >= 4) { for (RemLines = NumLines; RemLines; RemLines--) { RemItems = RemPixels; Off = Off0 + OffLine * (RemLines - 1); do { Data = READ_MEM32(pContext->VRAMAddr, Off + 0); Data ^= 0xFFFFFFFF; WRITE_MEM32(pContext->VRAMAddr, Off + 0, Data); Data = READ_MEM32(pContext->VRAMAddr, Off + 1); Data ^= 0xFFFFFFFF; WRITE_MEM32(pContext->VRAMAddr, Off + 1, Data); Data = READ_MEM32(pContext->VRAMAddr, Off + 2); Data ^= 0xFFFFFFFF; WRITE_MEM32(pContext->VRAMAddr, Off + 2, Data); Off += 3; } while ((RemItems -= 4) >= 4); } Off0 = Off; RemPixels -= (RemPixels >> 2) << 2; } // // Last triple DWORD // if (RemPixels) { for (RemLines = NumLines; RemLines; RemLines--) { RemItems = RemPixels; Off = Off0 + OffLine * (RemLines - 1); Data = READ_MEM32(pContext->VRAMAddr, Off); Data ^= 0x00FFFFFF; RemItems--; if (!RemItems) { WRITE_MEM32(pContext->VRAMAddr, Off, Data); continue; } Data ^= 0xFF000000; WRITE_MEM32(pContext->VRAMAddr, Off, Data); Off++; Data = READ_MEM32(pContext->VRAMAddr, Off); Data ^= 0x0000FFFF; RemItems--; if (!RemItems) { WRITE_MEM32(pContext->VRAMAddr, Off, Data); continue; } Data ^= 0xFFFF0000; WRITE_MEM32(pContext->VRAMAddr, Off, Data); Off++; Data = READ_MEM32(pContext->VRAMAddr, Off); Data ^= 0x000000FF; WRITE_MEM32(pContext->VRAMAddr, Off, Data); } } } else { ColorIndex = LCD__GetColorIndex(); // // First triple DWORD // if (Odd) { for (RemLines = NumLines; RemLines; RemLines--) { RemItems = RemPixels; Off = Off0 + OffLine * (RemLines - 1); Data = READ_MEM32(pContext->VRAMAddr, Off); switch (Odd) { case 1: Data &= 0x00FFFFFF; Data |= ColorIndex << 24; WRITE_MEM32(pContext->VRAMAddr, Off, Data); Off++; Data = READ_MEM32(pContext->VRAMAddr, Off); Data &= 0xFFFF0000; Data |= ColorIndex >> 8; RemItems--; if (!RemItems) { WRITE_MEM32(pContext->VRAMAddr, Off, Data); break; } // // no break at this position required... // case 2: Data &= 0x0000FFFF; Data |= ColorIndex << 16; WRITE_MEM32(pContext->VRAMAddr, Off, Data); Off++; Data = READ_MEM32(pContext->VRAMAddr, Off); Data &= 0xFFFFFF00; Data |= ColorIndex >> 16; RemItems--; if (!RemItems) { WRITE_MEM32(pContext->VRAMAddr, Off, Data); break; } // // no break at this position required... // case 3: Data &= 0x000000FF; Data |= ColorIndex << 8; RemItems--; WRITE_MEM32(pContext->VRAMAddr, Off, Data); Off++; } } Off0 = Off; RemPixels -= (RemPixels - RemItems); } // // Complete triple DWORDS // if (RemPixels >= 4) { for (RemLines = NumLines; RemLines; RemLines--) { RemItems = RemPixels; Off = Off0 + OffLine * (RemLines - 1); Data0 = (ColorIndex ) | (ColorIndex << 24); Data1 = (ColorIndex >> 8) | (ColorIndex << 16); Data2 = (ColorIndex >> 16) | (ColorIndex << 8); do { WRITE_MEM32(pContext->VRAMAddr, Off + 0, Data0); WRITE_MEM32(pContext->VRAMAddr, Off + 1, Data1); WRITE_MEM32(pContext->VRAMAddr, Off + 2, Data2); Off += 3; } while ((RemItems -= 4) >= 4); } Off0 = Off; RemPixels -= (RemPixels >> 2) << 2; } // // Last triple DWORD // if (RemPixels) { for (RemLines = NumLines; RemLines; RemLines--) { RemItems = RemPixels; Off = Off0 + OffLine * (RemLines - 1); Data = READ_MEM32(pContext->VRAMAddr, Off); Data &= 0xFF000000; Data |= ColorIndex; RemItems--; if (!RemItems) { WRITE_MEM32(pContext->VRAMAddr, Off, Data); continue; } Data &= 0x00FFFFFF; Data |= ColorIndex << 24; WRITE_MEM32(pContext->VRAMAddr, Off, Data); Off++; Data = READ_MEM32(pContext->VRAMAddr, Off); Data &= 0xFFFF0000; Data |= ColorIndex >> 8; RemItems--; if (!RemItems) { WRITE_MEM32(pContext->VRAMAddr, Off, Data); continue; } Data &= 0x0000FFFF; Data |= ColorIndex << 16; WRITE_MEM32(pContext->VRAMAddr, Off, Data); Off++; Data = READ_MEM32(pContext->VRAMAddr, Off); Data &= 0xFFFFFF00; Data |= ColorIndex >> 16; WRITE_MEM32(pContext->VRAMAddr, Off, Data); } } } } /*************************** End of file ****************************/