mirror of https://github.com/lianthony/NT4.0
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
146 lines
4.7 KiB
146 lines
4.7 KiB
/******************************Module*Header*******************************\
|
|
* Module Name: driver.h
|
|
*
|
|
* contains prototypes for the xga display driver.
|
|
*
|
|
* Copyright (c) 1992 Microsoft Corporation
|
|
\**************************************************************************/
|
|
|
|
#ifndef DRIVER_H
|
|
#define DRIVER_H 1
|
|
|
|
#include "stddef.h"
|
|
#include "windows.h"
|
|
#include "winddi.h"
|
|
#include "devioctl.h"
|
|
#include "ntddvdeo.h"
|
|
#include "debug.h"
|
|
|
|
#include "xgaregs.h"
|
|
|
|
//
|
|
// XGA Memory management stuff.
|
|
//
|
|
|
|
typedef struct cp_alloc_node {
|
|
struct cp_alloc_node *pcpanNext;
|
|
ULONG ulFlags;
|
|
HANDLE hCpAllocNode;
|
|
ULONG ulLength;
|
|
PVOID pCpLinearMemory;
|
|
ULONG ulCpPhysicalMemory;
|
|
} CPALLOCNODE, *PCPALLOCNODE;
|
|
|
|
//
|
|
// Font Stuff
|
|
//
|
|
|
|
typedef struct _cachedGlyph {
|
|
HGLYPH hg;
|
|
struct _cachedGlyph *pcgCollisionLink;
|
|
ULONG fl;
|
|
POINTL ptlOrigin;
|
|
SIZEL sizlBitmap;
|
|
ULONG BmPitchInPels;
|
|
ULONG BmPitchInBytes;
|
|
PCPALLOCNODE pcpan;
|
|
PVOID pCpLinearMemory;
|
|
ULONG ulCpPhysicalMemory;
|
|
} CACHEDGLYPH, *PCACHEDGLYPH;
|
|
|
|
#define VALID_GLYPH 0x01
|
|
|
|
#define END_COLLISIONS 0
|
|
|
|
|
|
typedef struct _cachedFont {
|
|
struct _cachedFont *pcfNext;
|
|
ULONG iUniq;
|
|
ULONG cGlyphs;
|
|
ULONG cjMaxGlyph1;
|
|
PCACHEDGLYPH pCachedGlyphs;
|
|
} CACHEDFONT, *PCACHEDFONT;
|
|
|
|
|
|
typedef struct _PDEV
|
|
{
|
|
HANDLE hDriver; // Handle to \Device\Screen
|
|
HDEV hdevEng; // Engine's handle to PDEV
|
|
HSURF hSurfEng; // Engine's handle to surface
|
|
HSURF hSurfBm; // Handle to the engine bitmap
|
|
SURFOBJ *pSurfObj; // Pointer to the locked surface object.
|
|
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 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 8,16,32 are only supported.
|
|
PALETTEENTRY *pPal; // If this is pal managed, this is the pal
|
|
|
|
PXGACPREGS pXgaCpRegs;
|
|
ULONG ulPhysFrameBuffer; // 32 bit physical address of the frame buffer.
|
|
ULONG ulXgaIoRegsBase; // IO address of XGA registers.
|
|
ULONG ulScreenSize; // Size of the framebuffer.
|
|
ULONG ulVideoMemorySize; // Size of the video memory.
|
|
|
|
ULONG ulfAccelerations_debug; // debugging flag
|
|
ULONG ulfBlitAccelerations_debug; // debugging flag
|
|
|
|
PCPALLOCNODE pAllocatedListRoot;
|
|
PCPALLOCNODE pFreeListRoot;
|
|
|
|
PCACHEDFONT pCachedFontsRoot;
|
|
|
|
LONG gxHot;
|
|
LONG gyHot;
|
|
|
|
ULONG gPointerFlags ;
|
|
|
|
} PDEV, *PPDEV;
|
|
|
|
BOOL bInitPDEV(PPDEV,PDEVMODEW, GDIINFO *, DEVINFO *);
|
|
BOOL bInitSURF(PPDEV,BOOL);
|
|
BOOL bInitPaletteInfo(PPDEV, DEVINFO *);
|
|
BOOL bInit256ColorPalette(PPDEV);
|
|
VOID vDisablePalette(PPDEV);
|
|
VOID vDisableSURF(PPDEV);
|
|
DWORD getAvailableModes(HANDLE, PVIDEO_MODE_INFORMATION *, DWORD *);
|
|
|
|
//
|
|
// Pointer function prototypes
|
|
//
|
|
|
|
VOID vMoveHardwarePointer(SURFOBJ *,LONG,LONG);
|
|
BOOL bSetHardwarePointerShape(SURFOBJ *,SURFOBJ *,SURFOBJ *, XLATEOBJ *,
|
|
LONG, LONG, LONG, LONG, FLONG);
|
|
#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"xga" // Name of the DLL in UNICODE
|
|
#define STANDARD_DEBUG_PREFIX "Xga: " // All debug output is prefixed
|
|
// by this string
|
|
#define ALLOC_TAG 'agxD' // Dxga
|
|
// Four byte tag (characters in
|
|
// reverse order) used for memory
|
|
// allocations
|
|
|
|
|
|
#include "xgaioctl.h"
|
|
|
|
#include "xga.h"
|
|
|
|
|
|
#endif // DRIVER_H
|