reactos/win32ss/drivers/displays/framebuf_new/driver.h

   1 /*
   2  * PROJECT:         ReactOS Framebuffer Display Driver
   3  * LICENSE:         Microsoft NT4 DDK Sample Code License
   4  * FILE:            boot/drivers/video/displays/framebuf/driver.h
   5  * PURPOSE:         Main Driver Header File
   6  * PROGRAMMERS:     Copyright (c) 1992-1995 Microsoft Corporation
   7  *                  ReactOS Portable Systems Group
   8  */
   9
  10 #ifndef _FRAMEBUF_NEW_PCH_
  11 #define _FRAMEBUF_NEW_PCH_
  12
  13 //#define DBG 1
  14 #include <stdarg.h>
  15 #include <windef.h>
  16 #include <wingdi.h>
  17 #include <winddi.h>
  18 #include <devioctl.h>
  19 #include <ntddvdeo.h>
  20 #include "debug.h"
  21
  22 typedef struct  _PDEV
  23 {
  24     HANDLE  hDriver;                    // Handle to \Device\Screen
  25     HDEV    hdevEng;                    // Engine's handle to PDEV
  26     HSURF   hsurfEng;                   // Engine's handle to surface
  27     HPALETTE hpalDefault;               // Handle to the default palette for device.
  28     PBYTE   pjScreen;                   // This is pointer to base screen address
  29     ULONG   cxScreen;                   // Visible screen width
  30     ULONG   cyScreen;                   // Visible screen height
  31     ULONG   ulMode;                     // Mode the mini-port driver is in.
  32     LONG    lDeltaScreen;               // Distance from one scan to the next.
  33     ULONG   cScreenSize;                // size of video memory, including
  34                                         // offscreen memory.
  35     PVOID   pOffscreenList;             // linked list of DCI offscreen surfaces.
  36     FLONG   flRed;                      // For bitfields device, Red Mask
  37     FLONG   flGreen;                    // For bitfields device, Green Mask
  38     FLONG   flBlue;                     // For bitfields device, Blue Mask
  39     ULONG   cPaletteShift;              // number of bits the 8-8-8 palette must
  40                                         // be shifted by to fit in the hardware
  41                                         // palette.
  42     ULONG   ulBitCount;                 // # of bits per pel 8,16,24,32 are only supported.
  43     POINTL  ptlHotSpot;                 // adjustment for pointer hot spot
  44     VIDEO_POINTER_CAPABILITIES PointerCapabilities; // HW pointer abilities
  45     PVIDEO_POINTER_ATTRIBUTES pPointerAttributes; // hardware pointer attributes
  46     DWORD   cjPointerAttributes;        // Size of buffer allocated
  47     BOOL    fHwCursorActive;            // Are we currently using the hw cursor
  48     PALETTEENTRY *pPal;                 // If this is pal managed, this is the pal
  49     BOOL    bSupportDCI;                // Does the miniport support DCI?
  50 // eVb: 3.1 [DDK Change] - Support new VGA Miniport behavior w.r.t updated framebuffer remapping
  51     LONG flHooks;
  52 // eVb: 3.1 [END]
  53 } PDEV, *PPDEV;
  54
  55 DWORD NTAPI getAvailableModes(HANDLE, PVIDEO_MODE_INFORMATION *, DWORD *);
  56 BOOL NTAPI bInitPDEV(PPDEV, PDEVMODEW, GDIINFO *, DEVINFO *);
  57 BOOL NTAPI bInitSURF(PPDEV, BOOL);
  58 BOOL NTAPI bInitPaletteInfo(PPDEV, DEVINFO *);
  59 BOOL NTAPI bInitPointer(PPDEV, DEVINFO *);
  60 BOOL NTAPI bInit256ColorPalette(PPDEV);
  61 VOID NTAPI vDisablePalette(PPDEV);
  62 VOID NTAPI vDisableSURF(PPDEV);
  63
  64 #define MAX_CLUT_SIZE (sizeof(VIDEO_CLUT) + (sizeof(ULONG) * 256))
  65
  66 //
  67 // Determines the size of the DriverExtra information in the DEVMODE
  68 // structure passed to and from the display driver.
  69 //
  70
  71 #define DRIVER_EXTRA_SIZE 0
  72
  73 #define DLL_NAME                L"framebuf"   // Name of the DLL in UNICODE
  74 #define STANDARD_DEBUG_PREFIX   "FRAMEBUF: "  // All debug output is prefixed
  75 #define ALLOC_TAG               'bfDD'        // Four byte tag (characters in
  76                                               // reverse order) used for memory
  77                                               // allocations
  78
  79 #endif /* _FRAMEBUF_NEW_PCH_ */