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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!
// Set this bit when GDI's HOOK_SYNCHRONIZEACCESS works so that we don't
// have to worry about synchronizing device-bitmap access. Note that
// this wasn't an option in the first release of NT:
#define SYNCHRONIZEACCESS_WORKS 1
// When running on an x86, we can make banked call-backs to GDI where
// GDI can write directly on the frame buffer. The Alpha has a weird
// bus scheme, and can't do that:
#if !defined(_ALPHA_)
#define GDI_BANKING 1
#else
#define GDI_BANKING 0
#endif
// 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"QV" // Name of the DLL in UNICODE
#define STANDARD_DEBUG_PREFIX "Qv: " // All debug output is prefixed
// by this string
#define ALLOC_TAG ' vqD' // Dqv
// 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*);
//////////////////////////////////////////////////////////////////////
// Text stuff
#define GLYPH_CACHE_HEIGHT 32 // Number of scans to allocate for glyph cache
#define GLYPH_GRANULARITY 31 // Horizontal granularity for packing glyphs,
// expressed in pixels as width minus one
#define GLYPH_CACHE_CX 32 // Maximal width of glyphs that we'll consider
// caching
#define GLYPH_CACHE_CY 32 // Maximum height of glyphs that we'll consider
// caching
#define MAX_GLYPH_SIZE ((((GLYPH_CACHE_CX + GLYPH_GRANULARITY) & ~GLYPH_GRANULARITY) \
* GLYPH_CACHE_CY + 7) / 8) // Maximum amount of off-screen memory required
// to cache a glyph, in bytes
#define GLYPH_ALLOC_SIZE 8100
// Do all cached glyph memory allocations
// in 8k chunks
#define HGLYPH_SENTINEL ((ULONG) -1)
// GDI will never give us a glyph with a
// handle value of 0xffffffff, so we can
// use this as a sentinel for the end of
// our linked lists
#define GLYPH_HASH_SIZE 256
#define GLYPH_HASH_FUNC(x) ((x) & (GLYPH_HASH_SIZE - 1))
typedef struct _CACHEDGLYPH CACHEDGLYPH;typedef struct _CACHEDGLYPH{ CACHEDGLYPH* pcgNext; // Points to next glyph that was assigned
// to the same hash table bucket
HGLYPH hg; // Handles in the bucket-list are kept in
// increasing order
POINTL ptlOrigin; // Origin of glyph bits
LONG yxHeightWidth; // Packed height and width of glyph
ULONG ulSrcLin; // QVision style linear address for glyph in
// off-screen memory
} CACHEDGLYPH; /* cg, pcg */
typedef struct _GLYPHALLOC GLYPHALLOC;typedef struct _GLYPHALLOC{ GLYPHALLOC* pgaNext; // Points to next glyph structure that
// was allocated for this font
CACHEDGLYPH acg[1]; // This array is a bit misleading, because
// the CACHEDGLYPH structures are actually
// variable sized
} GLYPHAALLOC; /* ga, pga */
typedef struct _CACHEDFONT CACHEDFONT;typedef struct _CACHEDFONT{ CACHEDFONT* pcfNext; // Points to next entry in CACHEDFONT list
CACHEDFONT* pcfPrev; // Points to previous entry in CACHEDFONT list
GLYPHALLOC* pgaChain; // Points to start of allocated memory list
CACHEDGLYPH* pcgNew; // Points to where in the current glyph
// allocation structure a new glyph should
// be placed
LONG cjAlloc; // Bytes remaining in current glyph allocation
// structure
CACHEDGLYPH cgSentinel; // Sentinel entry of the end of our bucket
// lists, with a handle of HGLYPH_SENTINEL
CACHEDGLYPH* apcg[GLYPH_HASH_SIZE]; // Hash table for glyphs
} CACHEDFONT; /* cf, pcf */
BOOL bEnableText(PDEV*);VOID vDisableText(PDEV*);VOID vAssertModeText(PDEV*, BOOL);
//////////////////////////////////////////////////////////////////////
// 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);
//////////////////////////////////////////////////////////////////////
// Brush stuff
#define RBRUSH_2COLOR 1 // For RBRUSH flags
#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 ulForeColor; // Foreground colour if 1bpp
ULONG ulBackColor; // Background colour if 1bpp
LONG cy; // Unique height of pattern
ULONG cyLog2; // Unique height expressed as power of 2
LONG xBlockAlign; // 'x' alignment of block-write pattern
ULONG aulBlockPattern[TOTAL_BRUSH_SIZE / 4]; // Contains screen-aligned version of
// 'aulPattern', used for block-write
// patterns; -1 indicates it's not yet
// aligned
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 union _RBRUSH_COLOR { RBRUSH* prb; ULONG iSolidColor;} RBRUSH_COLOR; /* rbc, prbc */
BOOL bEnableBrushCache(PDEV*);VOID vDisableBrushCache(PDEV*);VOID vAssertModeBrushCache(PDEV*, BOOL);
/////////////////////////////////////////////////////////////////////////
// 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
}; /* 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);
/////////////////////////////////////////////////////////////////////////
// Bank manager stuff
#define BANK_DATA_SIZE 80 // Number of bytes to allocate for the
// miniport down-loaded bank code working
// space
typedef struct _BANK{ // Private data:
RECTL rclDraw; // Rectangle describing the remaining undrawn
// portion of the drawing operation
RECTL rclSaveBounds; // Saved from original CLIPOBJ for restoration
BYTE iSaveDComplexity; // Saved from original CLIPOBJ for restoration
BYTE fjSaveOptions; // Saved from original CLIPOBJ for restoration
LONG iBank; // Current bank
PDEV* ppdev; // Saved copy
// Public data:
SURFOBJ* pso; // Surface wrapped around the bank. Has to be
// passed as the surface in any banked call-
// back.
CLIPOBJ* pco; // Clip object that is the intersection of the
// original clip object with the bounds of the
// current bank. Has to be passed as the clip
// object in any banked call-back.
} BANK; /* bnk, pbnk */
typedef enum { BANK_OFF = 0, // We've finished using the memory aperture
BANK_ON, // We're about to use the memory aperture
BANK_DISABLE, // We're about to enter full-screen; shut down banking
BANK_ENABLE, // We've exited full-screen; re-enable banking
} BANK_MODE; /* bankm, pbankm */
typedef BOOL (FNBANKCOMPUTE)(PDEV*, RECTL*, RECTL*, LONG*, LONG*);
VOID vBankStart(PDEV*, RECTL*, CLIPOBJ*, BANK*);BOOL bBankEnum(BANK*);
FNBANKCOMPUTE bBankComputeNonPower2;FNBANKCOMPUTE bBankComputePower2;
BOOL bEnableBanking(PDEV*);VOID vDisableBanking(PDEV*);VOID vAssertModeBanking(PDEV*, BOOL);
/////////////////////////////////////////////////////////////////////////
// Pointer stuff
BOOL bEnablePointer(PDEV*);VOID vDisablePointer(PDEV*);VOID vAssertModePointer(PDEV*, BOOL);BOOL bInitializePointer(PDEV*);VOID vUninitializePointer(PDEV*);
/////////////////////////////////////////////////////////////////////////
// Palette stuff
BOOL bEnablePalette(PDEV*);VOID vDisablePalette(PDEV*);VOID vAssertModePalette(PDEV*, BOOL);
BOOL bInitializePalette(PDEV*, DEVINFO*);VOID vUninitializePalette(PDEV*);
#define MAX_CLUT_SIZE (sizeof(VIDEO_CLUT) + (sizeof(ULONG) * 256))
/////////////////////////////////////////////////////////////////////////
// 3D DDI Rendering Extension stuff
BOOL bEnableRx(PDEV*);VOID vDisableRx(PDEV*);VOID vAssertModeRx(PDEV*, BOOL);
//////////////////////////////////////////////////////////////////////
// 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 VOID (FNTEXTOUT)(PDEV*, STROBJ*, FONTOBJ*, CLIPOBJ*, RECTL*, BRUSHOBJ*, BRUSHOBJ*);
FNFILL vIoFillPat;FNFILL vIoFillSolid;FNXFER vIoXfer1bpp;FNCOPY vIoCopyBlt;FNTEXTOUT vIoTextOut;
FNFILL vMmFillPat;FNFILL vMmFillSolid;FNXFER vMmXfer1bpp;FNCOPY vMmCopyBlt;FNTEXTOUT vMmTextOut;
VOID vPutBits(PDEV*, SURFOBJ*, RECTL*, POINTL*);VOID vGetBits(PDEV*, SURFOBJ*, RECTL*, POINTL*);BOOL bFastFill(PDEV*, LONG, POINTFIX*, ULONG, ULONG, RBRUSH*, POINTL*);
////////////////////////////////////////////////////////////////////////
// Capabilities flags
//
// These are private flags passed to us from the S3 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 S3 miniport's 's3.h'!
typedef enum {} CAPS;
////////////////////////////////////////////////////////////////////////
// Status flags
typedef enum { STAT_UNACCELERATED = 0x0001, // Unaccelerated 16bpp or 32bpp mode
STAT_GLYPH_CACHE = 0x0002, // Off-screen glyph cache allocated
} STATUS;
////////////////////////////////////////////////////////////////////////
// The Physical Device data structure
typedef struct _PDEV{ LONG xOffset; // Pixel offset from (0, 0) to current
LONG yOffset; // DFB located in off-screen memory
BYTE* pjMmBase; // Start of memory mapped I/O
BYTE* pjScreen; // Points to base screen address
LONG lDelta; // Distance from one scan to the next.
LONG cPelSize; // 0 if 8bpp, 1 if 16bpp, 2 if 32bpp
ULONG iBitmapFormat; // BMF_8BPP or BMF_16BPP or BMF_32BPP
// (our current colour depth)
LONG iBoard; // Logical multi-board identifier
// (zero by default)
// Rendering extensions colour information.
UCHAR rDepth; // Number of red bits
UCHAR gDepth; // Number of green bits
UCHAR bDepth; // Number of blue bits
UCHAR aDepth; // Number of alpha bits
UCHAR rBitShift; // Left bit-shift for red component
UCHAR gBitShift; // Left bit-shift for green component
UCHAR bBitShift; // Left bit-shift for blue component
UCHAR aBitShift; // Left bit-shift for alpha component
BYTE* pjIoBase; // !!!
LONG cjPel; // !!!
CAPS flCaps; // Capabilities flags
STATUS flStat; // Status flags
BOOL bEnabled; // In graphics mode (not full-screen)
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
ULONG ulMode; // Mode the mini-port driver is in.
FLONG flHooks; // What we're hooking from GDI
ULONG ulWhite; // 0xff if 8bpp, 0xffff if 16bpp,
// 0xffffffff if 32bpp
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)
////////// Low-level blt function pointers:
FNFILL* pfnFillSolid; FNFILL* pfnFillPat; FNXFER* pfnXfer1bpp; FNCOPY* pfnCopyBlt; FNTEXTOUT* pfnTextOut;
////////// 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
////////// Banking stuff:
LONG cjBank; // Size of a bank, in bytes
LONG cPower2ScansPerBank; // Used by 'bBankComputePower2'
LONG cPower2BankSizeInBytes; // Used by 'bBankComputePower2'
CLIPOBJ* pcoBank; // Clip object for banked call backs
SURFOBJ* psoBank; // Surface object for banked call backs
PFN pfnBankSwitchCode; // Pointer to bank switch code
VIDEO_BANK_SELECT* pBankInfo; // Bank info for current mode returned
// by miniport
FNBANKCOMPUTE* pfnBankCompute;
////////// Pointer stuff:
VIDEO_POINTER_CAPABILITIES PointerCapabilities; // Capabilities of the hardware
// pointer, as reported back by
// the miniport
VIDEO_POINTER_ATTRIBUTES* pPointerAttributes; // Points to attributes buffer for
// current pointer shape
LONG cjPointerAttributes; // Length of allocated pointer
// attributes buffer
LONG cjXorMaskStartOffset; // Offset from start of AND buffer to
// start of XOR buffer, in bytes
POINTL ptlHotSpot; // Current pointer hot-spot
BOOL bPointerEnabled; // True if pointer is current visible
////////// Brush stuff:
LONG iBrushCache; // Index for next brush to be allocated
LONG cBrushCache; // Total number of brushes cached
POINTL ptlReRealize; // Work area for 864/964 pattern
// hardware bug work-around
////////// Text stuff:
LONG xGlyphCurrent; // x-position of next glyph to be
// cached in off-screen memory
LONG yGlyphCurrent; // y-position of next glyph
LONG yGlyphStart; // y-coordinate of start of glyph cache
LONG yGlyphEnd; // y-coordinate of one-past end of
// cache
CACHEDFONT cfSentinel; // Sentinel for the doubly-linked list
// we use to keep track of all
// cached font allocations
////////// 3D DDI Rendering Extension stuff:
VOID* pvOut; // Points to current output buffer
VOID* pvOutMax; // Points to end of current output buffer
VOID* pvInMax; // Points to end of current input buffer
OH* pohFrontBuffer; // Allocation structure for the screen
OH* pohBackBuffer; // Allocation structure for optional
// off-screen back buffer
LONG cDoubleBufferRef; // Reference count for current number
// of RC's that have active double-
// buffers
POINTL ptlDoubleBuffer[2]; // (x, y) positions of front and back
// buffers in video memory
// 0 -- RX_BACK_LEFT
// 1 -- RX_FRONT_LEFT
// Note: Make sure that the index
// is in the range [0, 1]!
} PDEV;
/////////////////////////////////////////////////////////////////////////
// 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[];
/////////////////////////////////////////////////////////////////////////
// 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)))
/////////////////////////////////////////////////////////////////////////
// SWAP - Swaps the value of two variables, using a temporary variable
#define SWAP(a, b, tmp) { (tmp) = (a); (a) = (b); (b) = (tmp); }
//////////////////////////////////////////////////////////////////////
// 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);
// 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);BOOL DbgEscape(SURFOBJ*, ULONG, ULONG, VOID*, ULONG, VOID*);
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