framebufacc.h

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/*
 * ReactOS Generic Framebuffer display driver
 *
 * Copyright (C) 2004 Filip Navara
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#pragma once

#include <stdarg.h>
#include <windef.h>
#include <guiddef.h>
#include <wingdi.h>
#include <winddi.h>
#include <winioctl.h>
#include <ntddvdeo.h>


//#define EXPERIMENTAL_ACC_SUPPORT

typedef struct _PDEV
{
   /* Driver stuff */
   HANDLE hDriver;
   HDEV hDevEng;
   HSURF hSurfEng;
   ULONG dwHooks;

   /* Screen Data */
   ULONG ModeIndex;
   ULONG ScreenWidth;
   ULONG ScreenHeight;
   ULONG ScreenDelta;
   BYTE BitsPerPixel;
   ULONG RedMask;
   ULONG GreenMask;
   ULONG BlueMask;
   BYTE PaletteShift;
   PVOID ScreenPtr;

   /* Vitual desktop stuff */
   POINTL ScreenOffsetXY;

   /* Palette data */
   HPALETTE DefaultPalette;
   PALETTEENTRY *PaletteEntries;

    /* hw mouse acclartions support */
    VIDEO_POINTER_CAPABILITIES PointerCapabilities;
    PVIDEO_POINTER_ATTRIBUTES pPointerAttributes;
    ULONG  PointerAttributesSize;
    POINTL PointerHotSpot;
    BOOL HwMouseActive;

#ifdef EXPERIMENTAL_MOUSE_CURSOR_SUPPORT
   XLATEOBJ *PointerXlateObject;
   HSURF PointerColorSurface;
   HSURF PointerMaskSurface;
   HSURF PointerSaveSurface;

#endif

   /* DirectX Support */
   DWORD iDitherFormat;
   ULONG MemHeight;
   ULONG MemWidth;
   DWORD dwHeap;
   VIDEOMEMORY* pvmList;
   BOOL bDDInitialized;
   DDPIXELFORMAT ddpfDisplay;

    /* System Cached data */
    PVOID pVideoMemCache;
    PVOID pRealVideoMem;

    /* Avail Video memory from Current Screen and the end range */
    ULONG VideoMemSize;

} PDEV, *PPDEV;




#define DEVICE_NAME L"framebuf"
#define ALLOC_TAG   'FUBF'


DHPDEV APIENTRY
DrvEnablePDEV(
   IN DEVMODEW *pdm,
   IN LPWSTR pwszLogAddress,
   IN ULONG cPat,
   OUT HSURF *phsurfPatterns,
   IN ULONG cjCaps,
   OUT ULONG *pdevcaps,
   IN ULONG cjDevInfo,
   OUT DEVINFO *pdi,
   IN HDEV hdev,
   IN LPWSTR pwszDeviceName,
   IN HANDLE hDriver);

VOID APIENTRY
DrvCompletePDEV(
   IN DHPDEV dhpdev,
   IN HDEV hdev);

VOID APIENTRY
DrvDisablePDEV(
   IN DHPDEV dhpdev);

HSURF APIENTRY
DrvEnableSurface(
   IN DHPDEV dhpdev);

VOID APIENTRY
DrvDisableSurface(
   IN DHPDEV dhpdev);

BOOL APIENTRY
DrvAssertMode(
   IN DHPDEV dhpdev,
   IN BOOL bEnable);

ULONG APIENTRY
DrvGetModes(
   IN HANDLE hDriver,
   IN ULONG cjSize,
   OUT DEVMODEW *pdm);

BOOL APIENTRY
DrvSetPalette(
   IN DHPDEV dhpdev,
   IN PALOBJ *ppalo,
   IN FLONG fl,
   IN ULONG iStart,
   IN ULONG cColors);

ULONG APIENTRY
DrvSetPointerShape(
   IN SURFOBJ *pso,
   IN SURFOBJ *psoMask,
   IN SURFOBJ *psoColor,
   IN XLATEOBJ *pxlo,
   IN LONG xHot,
   IN LONG yHot,
   IN LONG x,
   IN LONG y,
   IN RECTL *prcl,
   IN FLONG fl);

VOID APIENTRY
DrvMovePointer(
   IN SURFOBJ *pso,
   IN LONG x,
   IN LONG y,
   IN RECTL *prcl);

BOOL
IntInitScreenInfo(
   PPDEV ppdev,
   LPDEVMODEW pDevMode,
   PGDIINFO pGdiInfo,
   PDEVINFO pDevInfo);

BOOL
IntInitDefaultPalette(
   PPDEV ppdev,
   PDEVINFO pDevInfo);

BOOL APIENTRY
IntSetPalette(
   IN DHPDEV dhpdev,
   IN PPALETTEENTRY ppalent,
   IN ULONG iStart,
   IN ULONG cColors);

BOOL
CopyMonoPointer(PPDEV ppdev,
                SURFOBJ *pso);

BOOL
CopyColorPointer(PPDEV ppdev,
                 SURFOBJ *psoMask,
                 SURFOBJ *psoColor,
                 XLATEOBJ *pxlo);