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Microsoft Windows NT Build 511 (DDK SDK) 11-01-1993

/******************************Module*Header*******************************\
* Module Name: driver.h
*
* contains prototypes for the frame buffer driver.
*
* Copyright (c) 1992 Microsoft Corporation
\**************************************************************************/

#include "stddef.h"
#include "windows.h"
#include "winddi.h"
#include "devioctl.h"
#include "ntddvdeo.h"
#include "debug.h"

typedef struct  _PDEV
{
    HANDLE  hDriver;                    // Handle to \Device\Screen
    HDEV    hdevEng;                    // Engine's handle to PDEV
    HSURF   hsurfEng;                   // Engine's handle to surface
    HPALETTE hpalDefault;               // Handle to the default palette for device.
    PBYTE   pjScreen;                   // This is pointer to base screen address
    ULONG   cxScreen;                   // Visible screen width
    ULONG   cyScreen;                   // Visible screen height
    ULONG   ulMode;                     // Mode the mini-port driver is in.
    LONG    lDeltaScreen;               // Distance from one scan to the next.
    FLONG   flRed;                      // For bitfields device, Red Mask
    FLONG   flGreen;                    // For bitfields device, Green Mask
    FLONG   flBlue;                     // For bitfields device, Blue Mask
    ULONG   ulBitCount;                 // # of bits per pel 8,16,24,32 are only supported.
    POINTL  ptlHotSpot;                 // adjustment for pointer hot spot
    ULONG   cPatterns;                  // Count of bitmap patterns created
    HBITMAP ahbmPat[HS_DDI_MAX];        // Engine handles to standard patterns

    VIDEO_POINTER_CAPABILITIES PointerCapabilities; // HW pointer abilities
    PVIDEO_POINTER_ATTRIBUTES pPointerAttributes; // hardware pointer attributes
    DWORD   cjPointerAttributes;        // Size of buffer allocated
    BOOL    fHwCursorActive;            // Are we currently using the hw cursor
    PALETTEENTRY *pPal;                 // If this is pal managed, this is the pal
} PDEV, *PPDEV;

DWORD getAvailableModes(HANDLE, PVIDEO_MODE_INFORMATION *, DWORD *);
BOOL bInitPDEV(PPDEV, PDEVMODEW, GDIINFO *, DEVINFO *);
BOOL bInitSURF(PPDEV, BOOL);
BOOL bInitPaletteInfo(PPDEV, DEVINFO *);
BOOL bInitPointer(PPDEV, DEVINFO *);
BOOL bInit256ColorPalette(PPDEV);
BOOL bInitPatterns(PPDEV, ULONG);
VOID vDisablePalette(PPDEV);
VOID vDisablePatterns(PPDEV);
VOID vDisableSURF(PPDEV);

#define MAX_CLUT_SIZE (sizeof(VIDEO_CLUT) + (sizeof(ULONG) * 256))

//
// Determines the size of the DriverExtra information in the DEVMODE
// structure passed to and from the display driver.
//

#define DRIVER_EXTRA_SIZE 0

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