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

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/*
* PROJECT: ReactOS Framebuffer Display Driver
* LICENSE: Microsoft NT4 DDK Sample Code License
* FILE: boot/drivers/video/displays/framebuf/driver.h
* PURPOSE: Main Driver Header File
* PROGRAMMERS: Copyright (c) 1992-1995 Microsoft Corporation
* ReactOS Portable Systems Group
*/
//#define DBG 1
#include "stddef.h"
#include <stdarg.h>
#include "windef.h"
#include "wingdi.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.
ULONG cScreenSize; // size of video memory, including
// offscreen memory.
PVOID pOffscreenList; // linked list of DCI offscreen surfaces.
FLONG flRed; // For bitfields device, Red Mask
FLONG flGreen; // For bitfields device, Green Mask
FLONG flBlue; // For bitfields device, Blue Mask
ULONG cPaletteShift; // number of bits the 8-8-8 palette must
// be shifted by to fit in the hardware
// palette.
ULONG ulBitCount; // # of bits per pel 8,16,24,32 are only supported.
POINTL ptlHotSpot; // adjustment for pointer hot spot
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
BOOL bSupportDCI; // Does the miniport support DCI?
// eVb: 3.1 [DDK Change] - Support new VGA Miniport behavior w.r.t updated framebuffer remapping
LONG flHooks;
// eVb: 3.1 [END]
} 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);
VOID vDisablePalette(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
#define DLL_NAME L"framebuf" // Name of the DLL in UNICODE
#define STANDARD_DEBUG_PREFIX "FRAMEBUF: " // All debug output is prefixed
#define ALLOC_TAG 'bfDD' // Four byte tag (characters in
// reverse order) used for memory
// allocations