/*********************************************************************
*                SEGGER Microcontroller GmbH & Co. KG                *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 1996 - 2017  SEGGER Microcontroller GmbH & Co. KG       *
*                                                                    *
*        Internet: www.segger.com    Support:  support@segger.com    *
*                                                                    *
**********************************************************************

** emWin V5.40 - 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_DCache_Private.h
Purpose     : Private declarations for GUIDRV_DCache driver
---------------------------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.
  *
  ******************************************************************************
  */
  
#ifndef GUIDRV_DCACHE_PRIVATE_H
#define GUIDRV_DCACHE_PRIVATE_H

#include "GUIDRV_DCache.h"

#if defined(__cplusplus)
extern "C" {     /* Make sure we have C-declarations in C++ programs */
#endif

/*********************************************************************
*
*       Defines
*
**********************************************************************
*/
//
// Use unique context identified
//
#define DRIVER_CONTEXT DRIVER_CONTEXT_DCACHE

/*********************************************************************
*
*       Types
*
**********************************************************************
*/
/*********************************************************************
*
*       DRIVER_CONTEXT
*/
typedef struct {
  //
  // Data
  //
  int xSize, ySize;       // Display size
  int vxSize, vySize;     // Virtual display size
  int BitsPerPixelDriver;
  int BitsPerPixel;
  int NumColors;
  LCD_PIXELINDEX IndexMask;
  U32 MemSize;
  GUI_RECT rDirty;
  const GUI_DEVICE_API * pMemdev_API;
  //
  // Cache mamagement
  //
  void           (* pfFlush        )(GUI_DEVICE * pDevice);
  void           (* pfSendCacheRect)(GUI_DEVICE * pDevice, int x0, int y0, int x1, int y1);
  //
  // Setting the rectangle to be filled up within the real driver
  //
  void           (* pfSetRect      )(GUI_DEVICE * pDevice, int x0, int y0, int x1, int y1, int OnOff);
  //
  // Mode dependent drawing functions
  //
  void           (* pfDrawBitmap   )(GUI_DEVICE * pDevice, int x0, int y0, int xsize, int ysize, int _BitsPerPixel, int BytesPerLine, const U8 * pData, int Diff, const LCD_PIXELINDEX * pTrans);
  void           (* pfFillRect     )(GUI_DEVICE * pDevice, int x0, int y0, int x1, int y1);
  LCD_PIXELINDEX (* pfGetPixelIndex)(GUI_DEVICE * pDevice, int x, int y);
  void           (* pfSetPixelIndex)(GUI_DEVICE * pDevice, int x, int y, LCD_PIXELINDEX ColorIndex);
  //
  // Request information
  //
  I32            (* pfGetDevProp   )(GUI_DEVICE * pDevice, int Index);
  //
  // Initialization
  //
  void           (* pfInit)         (GUI_DEVICE * pDevice);
  //
  // Conversion array from cache to real display driver
  //
  LCD_PIXELINDEX * pConvert;
  LCD_PIXELINDEX * pIndex;
  //
  // Cache
  //
  U8 * pVRAM;
  U8 * pVRAM_Lock;
  int CacheLocked;
  int CacheStat;
  int CacheDirty;
  //
  // The driver which is used for the actual drawing operations
  //
  GUI_DEVICE * pDriver;
} DRIVER_CONTEXT;

/*********************************************************************
*
*       Private interface
*
**********************************************************************
*/
void GUIDRV_DCache__AddDirtyRect  (DRIVER_CONTEXT * pContext, int x0, int y0, int x1, int y1);
void GUIDRV_DCache__ClearDirtyRect(DRIVER_CONTEXT * pContext);
void GUIDRV_DCache__InitOnce      (GUI_DEVICE * pDevice);

#if defined(__cplusplus)
}
#endif

#endif /* GUIDRV_DCACHE_PRIVATE_H */

/*************************** End of file ****************************/

