Diff: emWin_header/GUIDRV_Lin_Opt_16.h

Revision:

0:1bf8f02b0770

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emWin_header/GUIDRV_Lin_Opt_16.h	Sat Mar 26 22:49:50 2016 +0000
@@ -0,0 +1,202 @@
+/*********************************************************************
+*                SEGGER Microcontroller GmbH & Co. KG                *
+*        Solutions for real time microcontroller applications        *
+**********************************************************************
+*                                                                    *
+*        (c) 1996 - 2014  SEGGER Microcontroller GmbH & Co. KG       *
+*                                                                    *
+*        Internet: www.segger.com    Support:  support@segger.com    *
+*                                                                    *
+**********************************************************************
+
+** emWin V5.24 - 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  NXP Semiconductors USA, Inc.  whose
+registered  office  is  situated  at 411 E. Plumeria Drive, San  Jose,
+CA 95134, USA  solely for  the  purposes  of  creating  libraries  for
+NXPs M0, M3/M4 and  ARM7/9 processor-based  devices,  sublicensed  and
+distributed under the terms and conditions of the NXP End User License
+Agreement.
+Full source code is available at: www.segger.com
+
+We appreciate your understanding and fairness.
+----------------------------------------------------------------------
+File        : GUIDRV_Lin_Opt_16.h
+Purpose     : Optimized routines, included by GUIDRV_Lin_..._16.c
+---------------------------END-OF-HEADER------------------------------
+*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************************************************************
+*
+*       Static functions
+*
+**********************************************************************
+*/
+/*********************************************************************
+*
+*       _FillRectOpt16
+*
+* Purpose:
+*   Optimized filling routine for 16 bpp
+*/
+static void _FillRectOpt16(GUI_DEVICE * pDevice, int x0, int y0, int x1, int y1) {
+  DRIVER_CONTEXT * pContext;
+  U32 * pDest;
+  U32 * pDest0;
+  U32 Off, OffLine;
+  int RemPixels, NumLines, RemLines, RemItems;
+  U32 Data, ColorMask;
+  LCD_PIXELINDEX ColorIndex;
+
+  pContext   = (DRIVER_CONTEXT *)pDevice->u.pContext;
+  ColorIndex = LCD__GetColorIndex();
+  Off        = XY2OFF32(pContext->vxSizePhys, x0, y0);
+  pDest0     = OFF2PTR32(pContext->VRAMAddr, Off);
+  RemPixels  = x1 - x0 + 1;
+  NumLines   = y1 - y0 + 1;
+  OffLine    = pContext->vxSizePhys >> 1;
+  pDest      = NULL;
+  if (GUI_pContext->DrawMode & LCD_DRAWMODE_XOR) {
+    //
+    // First DWORD
+    //
+    if (x0 & 1) {
+      for (RemLines = NumLines, pDest = pDest0; RemLines; RemLines--) {
+        Data = READ_MEM32P(pDest);
+        #if (LCD_ENDIAN_BIG == 0)
+          Data ^= 0xFFFF0000;
+        #else
+          Data ^= 0xFFFF;
+        #endif
+        WRITE_MEM32P(pDest, Data);
+        pDest += OffLine;
+      }
+      pDest0++;
+      RemPixels--;
+    }
+    //
+    // Complete DWORDS
+    //
+    if (RemPixels >= 2) {
+      for (RemLines = NumLines; RemLines; RemLines--) {
+        RemItems = RemPixels;
+        pDest    = pDest0 + OffLine * (RemLines - 1);
+        do {
+          Data  = READ_MEM32P(pDest);
+          Data ^= 0xFFFFFFFF;
+          WRITE_MEM32P(pDest, Data);
+          pDest++;
+          RemItems -= 2;
+        } while (RemItems >= 2);
+      }
+      pDest0 = pDest;
+      RemPixels -= (RemPixels >> 1) << 1;
+    }
+    //
+    // Last DWORD
+    //
+    if (RemPixels > 0) {
+      for (RemLines = NumLines, pDest = pDest0; RemLines; RemLines--) {
+        Data = READ_MEM32P(pDest);
+        #if (LCD_ENDIAN_BIG == 0)
+          Data ^= 0xFFFF;
+        #else
+          Data ^= 0xFFFF0000;
+        #endif
+        WRITE_MEM32P(pDest, Data);
+        pDest += OffLine;
+      }
+    }
+  } else {
+    //
+    // First DWORD
+    //
+    if (x0 & 1) {
+      for (RemLines = NumLines, pDest = pDest0; RemLines; RemLines--) {
+        Data = READ_MEM32P(pDest);
+        #if (LCD_ENDIAN_BIG == 0)
+          Data &= 0xFFFF;
+          Data |= (((U32)ColorIndex) << 16);
+        #else
+          Data &= 0xFFFF0000;
+          Data |= ColorIndex;
+        #endif
+        WRITE_MEM32P(pDest, Data);
+        pDest += OffLine;
+      }
+      pDest0++;
+      RemPixels--;
+    }
+    //
+    // Complete DWORDS
+    //
+    ColorMask = ColorIndex * 0x00010001;
+    if (RemPixels >= 16) {
+      RemPixels -= 16;
+
+      for (RemLines = NumLines; RemLines; RemLines--) {
+        RemItems = RemPixels;
+        pDest    = pDest0 + OffLine * (RemLines - 1);
+        do {
+          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 -= 16;
+        } while (RemItems >= 0);
+      }
+      pDest0 = pDest;
+
+      RemPixels += 16;
+      RemPixels -= (RemPixels >> 4) << 4;
+    }
+    if (RemPixels >= 2) {
+      for (RemLines = NumLines; RemLines; RemLines--) {
+        RemItems = RemPixels;
+        pDest    = pDest0 + OffLine * (RemLines - 1);
+        do {
+          WRITE_MEM32P(pDest, ColorMask);
+          pDest++;
+          RemItems -= 2;
+        } while (RemItems >= 2);
+      }
+      pDest0 = pDest;
+      RemPixels -= (RemPixels >> 1) << 1;
+    }
+    //
+    // Last DWORD
+    //
+    if (RemPixels > 0) {
+      for (RemLines = NumLines, pDest = pDest0; RemLines; RemLines--) {
+        Data = READ_MEM32P(pDest);
+        #if (LCD_ENDIAN_BIG == 0)
+          Data &= 0xFFFF0000;
+          Data |= ColorIndex;
+        #else
+          Data &= 0xFFFF;
+          Data |= (((U32)ColorIndex) << 16);
+        #endif
+        WRITE_MEM32P(pDest, Data);
+        pDest += OffLine;
+      }
+    }
+  }
+}
+
+#ifdef __cplusplus
+}
+#endif
+/*************************** End of file ****************************/