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TencentOS-tiny/components/gui/STemWin/inc/GUIDRV_Lin_Opt_8.h
2021-01-30 11:26:41 +08:00

211 lines
7.3 KiB
C

/*********************************************************************
* 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_8.h
Purpose : Optimized routines, included by GUIDRV_Lin_..._8.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
*
**********************************************************************
*/
/*********************************************************************
*
* _FillRectOpt8
*
* Purpose:
* Optimized filling routine for 8 bpp
*/
static void _FillRectOpt8(GUI_DEVICE * pDevice, int x0, int y0, int x1, int y1) {
DRIVER_CONTEXT * pContext;
U32 Data, ColorMask, AndMask, Off0, OffLine;
int NumPixel_0, NumPixel_1, RemPixels, NumLines, RemLines, RemItems;
LCD_PIXELINDEX ColorIndex;
U32 * pDest;
pContext = (DRIVER_CONTEXT *)pDevice->u.pContext;
ColorIndex = LCD__GetColorIndex();
Off0 = XY2OFF32(pContext->vxSizePhys, x0, y0);
RemPixels = x1 - x0 + 1;
NumLines = y1 - y0 + 1;
OffLine = pContext->vxSizePhys >> 2;
NumPixel_0 = x0 & 3;
NumPixel_1 = x1 & 3;
if (GUI_pContext->DrawMode & LCD_DRAWMODE_XOR) {
//
// First DWORD
//
if (NumPixel_0) {
for (RemLines = NumLines; RemLines; RemLines--) {
pDest = ((U32 *)pContext->VRAMAddr) + Off0 + OffLine * (RemLines - 1);
AndMask = ~(0xFFFFFFFF << (8 * NumPixel_0));
if ((RemPixels < 3) && (NumPixel_1)) {
AndMask |= ~(0xFFFFFFFF >> (8 * (3 - NumPixel_1)));
}
#if (LCD_ENDIAN_BIG == 1)
MIRROR(AndMask);
#endif
Data = READ_MEM32P(pDest);
Data ^= ~AndMask;
WRITE_MEM32P(pDest, Data);
}
Off0++;
RemPixels -= (4 - NumPixel_0);
}
//
// Complete DWORDS
//
if (RemPixels >= 4) {
for (RemLines = NumLines; RemLines; RemLines--) {
RemItems = RemPixels;
pDest = ((U32 *)pContext->VRAMAddr) + Off0 + OffLine * (RemLines - 1);
while (RemItems >= 4) {
Data = READ_MEM32P(pDest);
Data ^= 0xFFFFFFFF;
WRITE_MEM32P(pDest, Data);
pDest++;
RemItems -= 4;
}
}
Off0 += (RemPixels >> 2);
RemPixels -= (RemPixels >> 2) << 2;
}
//
// Last DWORD
//
if (RemPixels > 0) {
for (RemLines = NumLines; RemLines; RemLines--) {
pDest = ((U32 *)pContext->VRAMAddr) + Off0 + OffLine * (RemLines - 1);
AndMask = 0xFFFFFF00 << (8 * NumPixel_1);
#if (LCD_ENDIAN_BIG == 1)
MIRROR(AndMask);
#endif
Data = READ_MEM32P(pDest);
Data ^= ~AndMask;
WRITE_MEM32P(pDest, Data);
}
}
} else {
//
// First DWORD
//
if (NumPixel_0) {
for (RemLines = NumLines; RemLines; RemLines--) {
pDest = ((U32 *)pContext->VRAMAddr) + Off0 + OffLine * (RemLines - 1);
AndMask = ~(0xFFFFFFFF << (8 * NumPixel_0));
if ((RemPixels < 3) && (NumPixel_1)) {
AndMask |= ~(0xFFFFFFFF >> (8 * (3 - NumPixel_1)));
}
ColorMask = (ColorIndex * 0x01010101) & ~AndMask;
#if (LCD_ENDIAN_BIG == 1)
MIRROR(AndMask);
MIRROR(ColorMask);
#endif
Data = READ_MEM32P(pDest);
Data &= AndMask;
Data |= ColorMask;
WRITE_MEM32P(pDest, Data);
}
Off0++;
RemPixels -= (4 - NumPixel_0);
}
//
// Complete DWORDS
//
if (RemPixels >= 4) {
ColorMask = ColorIndex * 0x01010101;
for (RemLines = NumLines; RemLines; RemLines--) {
RemItems = RemPixels;
pDest = ((U32 *)pContext->VRAMAddr) + Off0 + OffLine * (RemLines - 1);
while (RemItems >= 32) {
WRITE_MEM32P(pDest , ColorMask);
WRITE_MEM32P(pDest + 1, ColorMask);
WRITE_MEM32P(pDest + 2, ColorMask);
WRITE_MEM32P(pDest + 3, ColorMask);
WRITE_MEM32P(pDest + 4, ColorMask);
WRITE_MEM32P(pDest + 5, ColorMask);
WRITE_MEM32P(pDest + 6, ColorMask);
WRITE_MEM32P(pDest + 7, ColorMask);
pDest += 8;
RemItems -= 32;
}
while (RemItems >= 4) {
WRITE_MEM32P(pDest, ColorMask);
pDest++;
RemItems -= 4;
}
}
Off0 += (RemPixels >> 2);
RemPixels -= (RemPixels >> 2) << 2;
}
//
// Last DWORD
//
if (RemPixels > 0) {
for (RemLines = NumLines; RemLines; RemLines--) {
pDest = ((U32 *)pContext->VRAMAddr) + Off0 + OffLine * (RemLines - 1);
AndMask = 0xFFFFFF00 << (8 * NumPixel_1);
ColorMask = (ColorIndex * 0x01010101) & ~AndMask;
#if (LCD_ENDIAN_BIG == 1)
MIRROR(AndMask);
MIRROR(ColorMask);
#endif
Data = READ_MEM32P(pDest);
Data &= AndMask;
Data |= ColorMask;
WRITE_MEM32P(pDest, Data);
}
}
}
}
/*************************** End of file ****************************/