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windows-xp/Source/XPSP1/NT/drivers/video/ms/weitek/disp/driver.h

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/******************************Module*Header*******************************\
* Module Name: driver.h
*
* Contains prototypes for the display driver.
*
* Copyright (c) 1992-1995 Microsoft Corporation
\**************************************************************************/
//////////////////////////////////////////////////////////////////////
// Put all the conditional-compile constants here. There had better
// not be many!
// Multi-board support can be enabled by setting this to 1:
#define MULTI_BOARDS 0
// This is the maximum number of boards we'll support in a single
// virtual driver:
#if MULTI_BOARDS
#define MAX_BOARDS 16
#define IBOARD(ppdev) ((ppdev)->iBoard)
#else
#define MAX_BOARDS 1
#define IBOARD(ppdev) 0
#endif
// Useful for visualizing the 2-d heap:
#define DEBUG_HEAP 0
//////////////////////////////////////////////////////////////////////
// Miscellaneous shared stuff
#define DLL_NAME L"Weitekp9" // Name of the DLL in UNICODE
#define STANDARD_DEBUG_PREFIX "Weitek: " // All debug output is prefixed
// by this string
#define ALLOC_TAG '9pwD' // Dwp9
// Four byte tag (characters in
// reverse order) used for memory
// allocations
#define CLIP_LIMIT 50 // We'll be taking 800 bytes of stack space
#define DRIVER_EXTRA_SIZE 0 // Size of the DriverExtra information in the
// DEVMODE structure
#define TMP_BUFFER_SIZE 8192 // Size in bytes of 'pvTmpBuffer'. Has to
// be at least enough to store an entire
// scan line (i.e., 6400 for 1600x1200x32).
#if defined(ALPHA)
#define XFER_BUFFERS 16 // Defines the maximum number of write buffers
// possible on any Alpha. Must be a power
#else // of two.
#define XFER_BUFFERS 1 // On non-alpha systems, we don't have to
// worry about the chip caching our bus
#endif // writes.
#define XFER_MASK (XFER_BUFFERS - 1)
typedef struct _CLIPENUM {
LONG c;
RECTL arcl[CLIP_LIMIT]; // Space for enumerating complex clipping
} CLIPENUM; /* ce, pce */
typedef struct _PDEV PDEV; // Handy forward declaration
VOID vSetClipping(PDEV*, RECTL*);
VOID vResetClipping(PDEV*);
VOID vPutBits(PDEV*, SURFOBJ*, RECTL*, POINTL*);
VOID vGetBits(PDEV*, SURFOBJ*, RECTL*, POINTL*);
////////////////////////////////////////////////////////////////////////
// Status flags
typedef enum {
STAT_P9000 = 0x0001, // P9000 running (as opposed to a P9100)
STAT_UNACCELERATED = 0x0002, // P9000 running at 16bpp or higher
STAT_8BPP = 0x0004, // Running at 8bpp
STAT_16BPP = 0x0008, // Running at 16bpp
STAT_24BPP = 0x0010, // Running at 24bpp
STAT_BRUSH_CACHE = 0x0020, // Brush cache successfully allocated
STAT_CIRCLE_CACHE = 0x0040, // Circle cache successfully allocated
} STATUS;
// P9000() returns TRUE if running on a P9000:
#define P9000(ppdev) (ppdev->flStat & STAT_P9000)
//////////////////////////////////////////////////////////////////////
// DriverSpecificAttributeFlags
//
// These flags must match those defined in p9.h for the weitekp9 miniport
//
#define CAPS_WEITEK_CHIPTYPE_IS_P9000 0x0001 // The video card has a p9000
//////////////////////////////////////////////////////////////////////
// Text stuff
BOOL bEnableText(PDEV*);
VOID vDisableText(PDEV*);
VOID vAssertModeText(PDEV*, BOOL);
//////////////////////////////////////////////////////////////////////
// Brush stuff
// 'Slow' brushes are used when we don't have hardware pattern capability,
// and we have to handle patterns using screen-to-screen blts:
#define SLOW_BRUSH_CACHE_DIM 3 // Controls the number of brushes cached
// in off-screen memory, when we don't
// have hardware pattern support.
// We allocate 3 x 3 brushes, so we can
// cache a total of 9 brushes:
#define SLOW_BRUSH_COUNT (SLOW_BRUSH_CACHE_DIM * SLOW_BRUSH_CACHE_DIM)
#define SLOW_BRUSH_DIMENSION 64 // After alignment is taken care of,
// every off-screen brush cache entry
// will be 64 pels in both dimensions
#define SLOW_BRUSH_ALLOCATION (SLOW_BRUSH_DIMENSION + 8)
// Actually allocate 72x72 pels for each
// pattern, using the 8 extra for brush
// alignment
#define RBRUSH_2COLOR 1 // Monochrome brush
#define RBRUSH_4COLOR 2 // 4-colour brush
#define TOTAL_BRUSH_COUNT SLOW_BRUSH_COUNT
// This is the maximum number of brushes
// we can possibly have cached off-screen
#define TOTAL_BRUSH_SIZE 64 // We'll only ever handle 8x8 patterns,
// and this is the number of pels
typedef struct _BRUSHENTRY BRUSHENTRY;
// NOTE: Changes to the RBRUSH or BRUSHENTRY structures must be reflected
// in strucs.inc!
typedef struct _RBRUSH {
FLONG fl; // Type flags
ULONG ulColor[4]; // 0 -- background colour if 2-colour brush
// 1 -- foreground colour if 2-colour brush
// 2 -- 3rd colour if 4-colour brush
// 3 -- 4th colour if 4-colour brush
BRUSHENTRY* apbe[MAX_BOARDS];// Points to brush-entry that keeps track
// of the cached off-screen brush bits
ULONG aulPattern[1]; // Open-ended array for keeping copy of the
// Don't put anything // actual pattern bits in case the brush
// after here, or // origin changes, or someone else steals
// you'll be sorry! // our brush entry (declared as a ULONG
// for proper dword alignment)
} RBRUSH; /* rb, prb */
typedef struct _BRUSHENTRY {
RBRUSH* prbVerify; // We never dereference this pointer to
// find a brush realization; it is only
// ever used in a compare to verify
// that for a given realized brush, our
// off-screen brush entry is still valid.
LONG x; // x-position of cached pattern
LONG y; // y-position of cached pattern
} BRUSHENTRY; /* be, pbe */
typedef union _RBRUSH_COLOR {
RBRUSH* prb;
ULONG iSolidColor;
} RBRUSH_COLOR; /* rbc, prbc */
#define CIRCLE_DIMENSION 32 // Maximum size of a cached circle
#define CIRCLE_ALLOCATION_CX (CIRCLE_DIMENSION + 4)
#define CIRCLE_ALLOCATION_CY (CIRCLE_DIMENSION)
// Actually allocate 36x32 pels for each
// circle, using the 4 extra for dword
// alignment
#define TOTAL_CIRCLE_COUNT 4 // Number of cached circles
typedef struct _CIRCLEENTRY {
LONG x; // x-position of off-screen circle allocation
LONG y; // y-position of off-screen circle allocation
LONG xCached; // x-position in allocation where circle starts
LONG yCached; // y-position in allocation where circle starts
RECTFX rcfxCircle; // Normalized bound-box of circle
BOOL bStroke; // TRUE if stroked, FALSE if filled
} CIRCLEENTRY;
VOID vSlowPatRealize(PDEV*, RBRUSH*);
BOOL bEnableBrushCache(PDEV*);
VOID vDisableBrushCache(PDEV*);
VOID vAssertModeBrushCache(PDEV*, BOOL);
//////////////////////////////////////////////////////////////////////
// Stretch stuff
typedef struct _STR_BLT {
PDEV* ppdev;
PBYTE pjSrcScan;
LONG lDeltaSrc;
LONG XSrcStart;
PBYTE pjDstScan;
LONG lDeltaDst;
LONG XDstStart;
LONG XDstEnd;
LONG YDstStart;
LONG YDstCount;
ULONG ulXDstToSrcIntCeil;
ULONG ulXDstToSrcFracCeil;
ULONG ulYDstToSrcIntCeil;
ULONG ulYDstToSrcFracCeil;
ULONG ulXFracAccumulator;
ULONG ulYFracAccumulator;
} STR_BLT;
typedef VOID (*PFN_DIRSTRETCH)(STR_BLT*);
VOID vDirectStretch8Narrow(STR_BLT*);
VOID vDirectStretch8(STR_BLT*);
VOID vDirectStretch16(STR_BLT*);
VOID vDirectStretch32(STR_BLT*);
//////////////////////////////////////////////////////////////////////
// Dither stuff
// Describes a single colour tetrahedron vertex for dithering:
typedef struct _VERTEX_DATA {
ULONG ulCount; // Number of pixels in this vertex
ULONG ulVertex; // Vertex number
} VERTEX_DATA; /* vd, pv */
VERTEX_DATA* vComputeSubspaces(ULONG, VERTEX_DATA*);
VOID vDitherColor(ULONG*, VERTEX_DATA*, VERTEX_DATA*, ULONG);
VOID vRealize4ColorDither(RBRUSH*, ULONG);
/////////////////////////////////////////////////////////////////////////
// Heap stuff
typedef enum {
OFL_INUSE = 1, // The device bitmap is no longer located in
// off-screen memory; it's been converted to
// a DIB
OFL_AVAILABLE = 2, // Space is in-use
OFL_PERMANENT = 4 // Space is available
} OHFLAGS; // Space is permanently allocated; never free it
typedef struct _DSURF DSURF;
typedef struct _OH OH;
typedef struct _OH
{
OHFLAGS ofl; // OH_ flags
LONG x; // x-coordinate of left edge of allocation
LONG y; // y-coordinate of top edge of allocation
LONG cx; // Width in pixels of allocation
LONG cy; // Height in pixels of allocation
OH* pohNext; // When OFL_AVAILABLE, points to the next free node,
// in ascending cxcy value. This is kept as a
// circular doubly-linked list with a sentinel
// at the end.
// When OFL_INUSE, points to the next most recently
// blitted allocation. This is kept as a circular
// doubly-linked list so that the list can be
// quickly be updated on every blt.
OH* pohPrev; // Opposite of 'pohNext'
ULONG cxcy; // Width and height in a dword for searching
OH* pohLeft; // Adjacent allocation when in-use or available
OH* pohUp;
OH* pohRight;
OH* pohDown;
DSURF* pdsurf; // Points to our DSURF structure
VOID* pvScan0; // Points to start of first scan-line
}; /* oh, poh */
// This is the smallest structure used for memory allocations:
typedef struct _OHALLOC OHALLOC;
typedef struct _OHALLOC
{
OHALLOC* pohaNext;
OH aoh[1];
} OHALLOC; /* oha, poha */
typedef struct _HEAP
{
LONG cxMax; // Largest possible free space by area
LONG cyMax;
OH ohAvailable; // Head of available list (pohNext points to
// smallest available rectangle, pohPrev
// points to largest available rectangle,
// sorted by cxcy)
OH ohDfb; // Head of the list of all DFBs currently in
// offscreen memory that are eligible to be
// tossed out of the heap (pohNext points to
// the most recently blitted; pohPrev points
// to least recently blitted)
OH* pohFreeList; // List of OH node data structures available
OHALLOC* pohaChain; // Chain of allocations
} HEAP; /* heap, pheap */
typedef enum {
DT_SCREEN, // Surface is kept in screen memory
DT_DIB // Surface is kept as a DIB
} DSURFTYPE; /* dt, pdt */
typedef struct _DSURF
{
DSURFTYPE dt; // DSURF status (whether off-screen or in a DIB)
SIZEL sizl; // Size of the original bitmap (could be smaller
// than poh->sizl)
PDEV* ppdev; // Need this for deleting the bitmap
union {
OH* poh; // If DT_SCREEN, points to off-screen heap node
SURFOBJ* pso; // If DT_DIB, points to locked GDI surface
};
// The following are used for DT_DIB only...
ULONG cBlt; // Counts down the number of blts necessary at
// the current uniqueness before we'll consider
// putting the DIB back into off-screen memory
ULONG iUniq; // Tells us whether there have been any heap
// 'free's since the last time we looked at
// this DIB
} DSURF; /* dsurf, pdsurf */
// GDI expects dword alignment for any bitmaps on which it is expected
// to draw. Since we occasionally ask GDI to draw directly on our off-
// screen bitmaps, this means that any off-screen bitmaps must be dword
// aligned in the frame buffer. We enforce this merely by ensuring that
// all off-screen bitmaps are four-pel aligned (we may waste a couple of
// pixels at the higher colour depths):
#define HEAP_X_ALIGNMENT 4
// Number of blts necessary before we'll consider putting a DIB DFB back
// into off-screen memory:
#define HEAP_COUNT_DOWN 6
// Flags for 'pohAllocate':
typedef enum {
FLOH_ONLY_IF_ROOM = 0x00000001, // Don't kick stuff out of off-
// screen memory to make room
} FLOH;
BOOL bEnableOffscreenHeap(PDEV*);
VOID vDisableOffscreenHeap(PDEV*);
BOOL bAssertModeOffscreenHeap(PDEV*, BOOL);
OH* pohMoveOffscreenDfbToDib(PDEV*, OH*);
BOOL bMoveDibToOffscreenDfbIfRoom(PDEV*, DSURF*);
OH* pohAllocatePermanent(PDEV*, LONG, LONG);
BOOL bMoveAllDfbsFromOffscreenToDibs(PDEV* ppdev);
/////////////////////////////////////////////////////////////////////////
// Pointer stuff
BOOL bEnablePointer(PDEV*);
VOID vDisablePointer(PDEV*);
VOID vAssertModePointer(PDEV*, BOOL);
/////////////////////////////////////////////////////////////////////////
// Palette stuff
BOOL bEnablePalette(PDEV*);
VOID vDisablePalette();
VOID vAssertModePalette(PDEV*, BOOL);
BOOL bInitializePalette(PDEV*, DEVINFO*);
VOID vUninitializePalette(PDEV*);
#define MAX_CLUT_SIZE (sizeof(VIDEO_CLUT) + (sizeof(ULONG) * 256))
//////////////////////////////////////////////////////////////////////
// Low-level blt function prototypes
typedef VOID (FNFILL)(PDEV*, LONG, RECTL*, ULONG, RBRUSH_COLOR, POINTL*);
typedef VOID (FNXFER)(PDEV*, LONG, RECTL*, ULONG, SURFOBJ*, POINTL*,
RECTL*, XLATEOBJ*);
typedef VOID (FNCOPY)(PDEV*, LONG, RECTL*, ULONG, POINTL*, RECTL*);
typedef BOOL (FNFASTFILL)(PDEV*, LONG, POINTFIX*, ULONG, ULONG, RBRUSH*, POINTL*);
FNFILL vFillPat;
FNFILL vFillSolid;
FNFILL vFillSolidP9000HighColor;
FNXFER vXfer1bpp;
FNXFER vXfer4bpp;
FNXFER vXferNative;
FNCOPY vCopyBlt;
FNFASTFILL bFastFill;
////////////////////////////////////////////////////////////////////////
// Capabilities flags
//
// These are private flags passed to us from the miniport. They
// come from the high word of the 'AttributeFlags' field of the
// 'VIDEO_MODE_INFORMATION' structure (found in 'ntddvdeo.h') passed
// to us via an 'VIDEO_QUERY_AVAIL_MODES' or 'VIDEO_QUERY_CURRENT_MODE'
// IOCTL.
//
// NOTE: These definitions must match those in the miniport's header!
typedef enum {
} CAPS;
////////////////////////////////////////////////////////////////////////
// The Physical Device data structure
typedef struct _PDEV
{
LONG xOffset;
LONG yOffset;
BYTE* pjBase; // Points to coprocessor base address
BYTE* pjScreen; // Points to base screen address
LONG lDelta; // Distance from one scan to the next.
LONG iBoard; // Logical multi-board identifier
// (zero by default)
ULONG iBitmapFormat; // BMF_8BPP, BMF_16BPP, BMF_24BPP or
// BMF_32BPP (our current colour
// depth)
VOID* pvTmpBuffer; // General purpose temporary buffer,
// TMP_BUFFER_SIZE bytes in size
// (Remember to synchronize if you
// use this for device bitmaps or
// async pointers)
// -------------------------------------------------------------------
// NOTE: Changes up to here in the PDEV structure must be reflected in
// i386\strucs.inc (assuming you're on an x86, of course)!
BOOL bEnabled; // In graphics mode (not full-screen)
CAPS flCaps; // Capabilities flags
STATUS flStat; // Status flags
LONG cjScreen; // Screen size in bytes
HANDLE hDriver; // Handle to \Device\Screen
HDEV hdevEng; // Engine's handle to PDEV
HSURF hsurfScreen; // Engine's handle to screen surface
DSURF* pdsurfScreen; // Our private DSURF for the screen
LONG cxScreen; // Visible screen width
LONG cyScreen; // Visible screen height
LONG cxMemory; // Width of Video RAM
LONG cyMemory; // Height of Video RAM
LONG cBitsPerPel; // Bits per pel (8, 15, 16, 24 or 32)
ULONG ulMode; // Mode the mini-port driver is in.
FLONG flHooks; // What we're hooking from GDI
LONG cjPel; // Number of bytes per pel
ULONG ulWhite; // 0xff if 8bpp, 0xffff if 16bpp,
// 0xffffffff if 32bpp
UCHAR* pucCsrBase; // Mapped IO port base for this PDEV
////////// Low-level blt function pointers:
FNFILL* pfnFillSolid;
FNFILL* pfnFillPat;
FNXFER* pfnXfer1bpp;
FNXFER* pfnXfer4bpp;
FNXFER* pfnXferNative;
FNCOPY* pfnCopyBlt;
////////// Palette stuff:
PALETTEENTRY* pPal; // The palette if palette managed
HPALETTE hpalDefault; // GDI handle to the default palette.
FLONG flRed; // Red mask for 16/32bpp bitfields
FLONG flGreen; // Green mask for 16/32bpp bitfields
FLONG flBlue; // Blue mask for 16/32bpp bitfields
ULONG cPaletteShift; // number of bits the 8-8-8 palette must
// be shifted by to fit in the hardware
// palette.
////////// Heap stuff:
HEAP heap; // All our off-screen heap data
ULONG iHeapUniq; // Incremented every time room is freed
// in the off-screen heap
SURFOBJ* psoPunt; // Wrapper surface for having GDI draw
// on off-screen bitmaps
SURFOBJ* psoPunt2; // Another one for off-screen to off-
// screen blts
OH* pohScreen; // Off-screen heap structure for the
// visible screen
////////// Pointer stuff:
ULONG cjPointerAttributes; // Size of pPointerAttributes buffer
BOOL bHwPointerActive; // Currently using the h/w pointer?
POINTL ptlHotSpot; // For remembering pointer hot spot
VIDEO_POINTER_CAPABILITIES PointerCapabilities;
VIDEO_POINTER_ATTRIBUTES* pPointerAttributes;
////////// Brush stuff:
LONG iBrushCache; // Index for next brush to be allocated
LONG cBrushCache; // Total number of brushes cached
BRUSHENTRY abe[TOTAL_BRUSH_COUNT]; // Keeps track of brush cache
LONG iCircleCache; // Index for next circle to be allocated
CIRCLEENTRY ace[TOTAL_CIRCLE_COUNT];// Keeps track of circle cache
} PDEV, *PPDEV;
/////////////////////////////////////////////////////////////////////////
// Miscellaneous prototypes:
BOOL bIntersect(RECTL*, RECTL*, RECTL*);
LONG cIntersect(RECTL*, RECTL*, LONG);
DWORD getAvailableModes(HANDLE, PVIDEO_MODE_INFORMATION*, DWORD*);
BOOL bInitializeModeFields(PDEV*, GDIINFO*, DEVINFO*, DEVMODEW*);
BOOL bEnableHardware(PDEV*);
VOID vDisableHardware(PDEV*);
BOOL bAssertModeHardware(PDEV*, BOOL);
extern BYTE gaRop3FromMix[];
extern BYTE gabMixNeedsPattern[];
extern BYTE gabRopNeedsPattern[];
extern ULONG gaulP9000OpaqueFromRop2[];
extern ULONG gaulP9000TransparentFromRop2[];
/////////////////////////////////////////////////////////////////////////
// The x86 C compiler insists on making a divide and modulus operation
// into two DIVs, when it can in fact be done in one. So we use this
// macro.
//
// Note: QUOTIENT_REMAINDER implicitly takes unsigned arguments.
#if defined(i386)
#define QUOTIENT_REMAINDER(ulNumerator, ulDenominator, ulQuotient, ulRemainder) \
{ \
__asm mov eax, ulNumerator \
__asm sub edx, edx \
__asm div ulDenominator \
__asm mov ulQuotient, eax \
__asm mov ulRemainder, edx \
}
#else
#define QUOTIENT_REMAINDER(ulNumerator, ulDenominator, ulQuotient, ulRemainder) \
{ \
ulQuotient = (ULONG) ulNumerator / (ULONG) ulDenominator; \
ulRemainder = (ULONG) ulNumerator % (ULONG) ulDenominator; \
}
#endif
/////////////////////////////////////////////////////////////////////////
// OVERLAP - Returns TRUE if the same-size lower-right exclusive
// rectangles defined by 'pptl' and 'prcl' overlap:
#define OVERLAP(prcl, pptl) \
(((prcl)->right > (pptl)->x) && \
((prcl)->bottom > (pptl)->y) && \
((prcl)->left < ((pptl)->x + (prcl)->right - (prcl)->left)) && \
((prcl)->top < ((pptl)->y + (prcl)->bottom - (prcl)->top)))
//////////////////////////////////////////////////////////////////////
// These Mul prototypes are thunks for multi-board support:
ULONG MulGetModes(HANDLE, ULONG, DEVMODEW*);
DHPDEV MulEnablePDEV(DEVMODEW*, PWSTR, ULONG, HSURF*, ULONG, ULONG*,
ULONG, DEVINFO*, HDEV, PWSTR, HANDLE);
VOID MulCompletePDEV(DHPDEV, HDEV);
HSURF MulEnableSurface(DHPDEV);
BOOL MulStrokePath(SURFOBJ*, PATHOBJ*, CLIPOBJ*, XFORMOBJ*, BRUSHOBJ*,
POINTL*, LINEATTRS*, MIX);
BOOL MulFillPath(SURFOBJ*, PATHOBJ*, CLIPOBJ*, BRUSHOBJ*, POINTL*,
MIX, FLONG);
BOOL MulBitBlt(SURFOBJ*, SURFOBJ*, SURFOBJ*, CLIPOBJ*, XLATEOBJ*,
RECTL*, POINTL*, POINTL*, BRUSHOBJ*, POINTL*, ROP4);
VOID MulDisablePDEV(DHPDEV);
VOID MulDisableSurface(DHPDEV);
BOOL MulAssertMode(DHPDEV, BOOL);
VOID MulMovePointer(SURFOBJ*, LONG, LONG, RECTL*);
ULONG MulSetPointerShape(SURFOBJ*, SURFOBJ*, SURFOBJ*, XLATEOBJ*, LONG,
LONG, LONG, LONG, RECTL*, FLONG);
ULONG MulDitherColor(DHPDEV, ULONG, ULONG, ULONG*);
BOOL MulSetPalette(DHPDEV, PALOBJ*, FLONG, ULONG, ULONG);
BOOL MulCopyBits(SURFOBJ*, SURFOBJ*, CLIPOBJ*, XLATEOBJ*, RECTL*, POINTL*);
BOOL MulTextOut(SURFOBJ*, STROBJ*, FONTOBJ*, CLIPOBJ*, RECTL*, RECTL*,
BRUSHOBJ*, BRUSHOBJ*, POINTL*, MIX);
VOID MulDestroyFont(FONTOBJ*);
BOOL MulPaint(SURFOBJ*, CLIPOBJ*, BRUSHOBJ*, POINTL*, MIX);
BOOL MulRealizeBrush(BRUSHOBJ*, SURFOBJ*, SURFOBJ*, SURFOBJ*, XLATEOBJ*,
ULONG);
HBITMAP MulCreateDeviceBitmap(DHPDEV, SIZEL, ULONG);
VOID MulDeleteDeviceBitmap(DHSURF);
BOOL MulStretchBlt(SURFOBJ*, SURFOBJ*, SURFOBJ*, CLIPOBJ*, XLATEOBJ*,
COLORADJUSTMENT*, POINTL*, RECTL*, RECTL*, POINTL*,
ULONG);
VOID MulSynchronize(DHPDEV, RECTL*);
// These Dbg prototypes are thunks for debugging:
ULONG DbgGetModes(HANDLE, ULONG, DEVMODEW*);
DHPDEV DbgEnablePDEV(DEVMODEW*, PWSTR, ULONG, HSURF*, ULONG, ULONG*,
ULONG, DEVINFO*, HDEV, PWSTR, HANDLE);
VOID DbgCompletePDEV(DHPDEV, HDEV);
HSURF DbgEnableSurface(DHPDEV);
BOOL DbgStrokePath(SURFOBJ*, PATHOBJ*, CLIPOBJ*, XFORMOBJ*, BRUSHOBJ*,
POINTL*, LINEATTRS*, MIX);
BOOL DbgFillPath(SURFOBJ*, PATHOBJ*, CLIPOBJ*, BRUSHOBJ*, POINTL*,
MIX, FLONG);
BOOL DbgBitBlt(SURFOBJ*, SURFOBJ*, SURFOBJ*, CLIPOBJ*, XLATEOBJ*,
RECTL*, POINTL*, POINTL*, BRUSHOBJ*, POINTL*, ROP4);
VOID DbgDisablePDEV(DHPDEV);
VOID DbgDisableSurface(DHPDEV);
BOOL DbgAssertMode(DHPDEV, BOOL);
VOID DbgMovePointer(SURFOBJ*, LONG, LONG, RECTL*);
ULONG DbgSetPointerShape(SURFOBJ*, SURFOBJ*, SURFOBJ*, XLATEOBJ*, LONG,
LONG, LONG, LONG, RECTL*, FLONG);
ULONG DbgDitherColor(DHPDEV, ULONG, ULONG, ULONG*);
BOOL DbgSetPalette(DHPDEV, PALOBJ*, FLONG, ULONG, ULONG);
BOOL DbgCopyBits(SURFOBJ*, SURFOBJ*, CLIPOBJ*, XLATEOBJ*, RECTL*, POINTL*);
BOOL DbgTextOut(SURFOBJ*, STROBJ*, FONTOBJ*, CLIPOBJ*, RECTL*, RECTL*,
BRUSHOBJ*, BRUSHOBJ*, POINTL*, MIX);
VOID DbgDestroyFont(FONTOBJ*);
BOOL DbgPaint(SURFOBJ*, CLIPOBJ*, BRUSHOBJ*, POINTL*, MIX);
BOOL DbgRealizeBrush(BRUSHOBJ*, SURFOBJ*, SURFOBJ*, SURFOBJ*, XLATEOBJ*,
ULONG);
HBITMAP DbgCreateDeviceBitmap(DHPDEV, SIZEL, ULONG);
VOID DbgDeleteDeviceBitmap(DHSURF);
BOOL DbgStretchBlt(SURFOBJ*, SURFOBJ*, SURFOBJ*, CLIPOBJ*, XLATEOBJ*,
COLORADJUSTMENT*, POINTL*, RECTL*, RECTL*, POINTL*,
ULONG);
VOID DbgSynchronize(DHPDEV, RECTL*);
ULONG DbgEscape(SURFOBJ*, ULONG, ULONG, VOID*, ULONG, VOID*);