742 lines
32 KiB
C
742 lines
32 KiB
C
/******************************Module*Header*******************************\
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* Module Name: driver.h
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*
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* Contains prototypes for the display driver.
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*
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* Copyright (c) 1992-1995 Microsoft Corporation
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\**************************************************************************/
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//////////////////////////////////////////////////////////////////////
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// Put all the conditional-compile constants here. There had better
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// not be many!
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// Set this bit when GDI's HOOK_SYNCHRONIZEACCESS works so that we don't
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// have to worry about synchronizing device-bitmap access. Note that
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// this wasn't an option in the first release of NT:
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#define SYNCHRONIZEACCESS_WORKS 1
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// When running on an x86, we can make banked call-backs to GDI where
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// GDI can write directly on the frame buffer. The Alpha has a weird
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// bus scheme, and can't do that:
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#if !defined(_ALPHA_)
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#define GDI_BANKING 1
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#else
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#define GDI_BANKING 0
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#endif
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// Multi-board support can be enabled by setting this to 1:
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#define MULTI_BOARDS 0
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// This is the maximum number of boards we'll support in a single
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// virtual driver:
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#if MULTI_BOARDS
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#define MAX_BOARDS 16
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#define IBOARD(ppdev) ((ppdev)->iBoard)
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#else
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#define MAX_BOARDS 1
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#define IBOARD(ppdev) 0
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#endif
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// Useful for visualizing the 2-d heap:
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#define DEBUG_HEAP 0
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//////////////////////////////////////////////////////////////////////
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// Miscellaneous shared stuff
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#define DLL_NAME L"QV" // Name of the DLL in UNICODE
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#define STANDARD_DEBUG_PREFIX "Qv: " // All debug output is prefixed
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// by this string
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#define ALLOC_TAG ' vqD' // Dqv
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// Four byte tag (characters in
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// reverse order) used for memory
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// allocations
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#define CLIP_LIMIT 50 // We'll be taking 800 bytes of stack space
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#define DRIVER_EXTRA_SIZE 0 // Size of the DriverExtra information in the
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// DEVMODE structure
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#define TMP_BUFFER_SIZE 8192 // Size in bytes of 'pvTmpBuffer'. Has to
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// be at least enough to store an entire
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// scan line (i.e., 6400 for 1600x1200x32).
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#if defined(ALPHA)
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#define XFER_BUFFERS 16 // Defines the maximum number of write buffers
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// possible on any Alpha. Must be a power
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#else // of two.
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#define XFER_BUFFERS 1 // On non-alpha systems, we don't have to
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// worry about the chip caching our bus
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#endif // writes.
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#define XFER_MASK (XFER_BUFFERS - 1)
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typedef struct _CLIPENUM {
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LONG c;
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RECTL arcl[CLIP_LIMIT]; // Space for enumerating complex clipping
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} CLIPENUM; /* ce, pce */
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typedef struct _PDEV PDEV; // Handy forward declaration
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VOID vSetClipping(PDEV*, RECTL*);
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VOID vResetClipping(PDEV*);
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//////////////////////////////////////////////////////////////////////
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// Text stuff
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#define GLYPH_CACHE_HEIGHT 32 // Number of scans to allocate for glyph cache
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#define GLYPH_GRANULARITY 31 // Horizontal granularity for packing glyphs,
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// expressed in pixels as width minus one
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#define GLYPH_CACHE_CX 32 // Maximal width of glyphs that we'll consider
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// caching
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#define GLYPH_CACHE_CY 32 // Maximum height of glyphs that we'll consider
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// caching
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#define MAX_GLYPH_SIZE ((((GLYPH_CACHE_CX + GLYPH_GRANULARITY) & ~GLYPH_GRANULARITY) \
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* GLYPH_CACHE_CY + 7) / 8)
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// Maximum amount of off-screen memory required
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// to cache a glyph, in bytes
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#define GLYPH_ALLOC_SIZE 8100
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// Do all cached glyph memory allocations
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// in 8k chunks
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#define HGLYPH_SENTINEL ((ULONG) -1)
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// GDI will never give us a glyph with a
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// handle value of 0xffffffff, so we can
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// use this as a sentinel for the end of
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// our linked lists
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#define GLYPH_HASH_SIZE 256
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#define GLYPH_HASH_FUNC(x) ((x) & (GLYPH_HASH_SIZE - 1))
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typedef struct _CACHEDGLYPH CACHEDGLYPH;
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typedef struct _CACHEDGLYPH
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{
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CACHEDGLYPH* pcgNext; // Points to next glyph that was assigned
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// to the same hash table bucket
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HGLYPH hg; // Handles in the bucket-list are kept in
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// increasing order
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POINTL ptlOrigin; // Origin of glyph bits
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LONG yxHeightWidth;
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// Packed height and width of glyph
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ULONG ulSrcLin; // QVision style linear address for glyph in
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// off-screen memory
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} CACHEDGLYPH; /* cg, pcg */
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typedef struct _GLYPHALLOC GLYPHALLOC;
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typedef struct _GLYPHALLOC
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{
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GLYPHALLOC* pgaNext; // Points to next glyph structure that
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// was allocated for this font
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CACHEDGLYPH acg[1]; // This array is a bit misleading, because
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// the CACHEDGLYPH structures are actually
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// variable sized
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} GLYPHAALLOC; /* ga, pga */
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typedef struct _CACHEDFONT CACHEDFONT;
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typedef struct _CACHEDFONT
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{
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CACHEDFONT* pcfNext; // Points to next entry in CACHEDFONT list
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CACHEDFONT* pcfPrev; // Points to previous entry in CACHEDFONT list
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GLYPHALLOC* pgaChain; // Points to start of allocated memory list
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CACHEDGLYPH* pcgNew; // Points to where in the current glyph
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// allocation structure a new glyph should
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// be placed
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LONG cjAlloc; // Bytes remaining in current glyph allocation
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// structure
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CACHEDGLYPH cgSentinel; // Sentinel entry of the end of our bucket
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// lists, with a handle of HGLYPH_SENTINEL
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CACHEDGLYPH* apcg[GLYPH_HASH_SIZE];
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// Hash table for glyphs
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} CACHEDFONT; /* cf, pcf */
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BOOL bEnableText(PDEV*);
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VOID vDisableText(PDEV*);
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VOID vAssertModeText(PDEV*, BOOL);
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//////////////////////////////////////////////////////////////////////
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// Dither stuff
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// Describes a single colour tetrahedron vertex for dithering:
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typedef struct _VERTEX_DATA {
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ULONG ulCount; // Number of pixels in this vertex
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ULONG ulVertex; // Vertex number
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} VERTEX_DATA; /* vd, pv */
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VERTEX_DATA* vComputeSubspaces(ULONG, VERTEX_DATA*);
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VOID vDitherColor(ULONG*, VERTEX_DATA*, VERTEX_DATA*, ULONG);
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//////////////////////////////////////////////////////////////////////
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// Brush stuff
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#define RBRUSH_2COLOR 1 // For RBRUSH flags
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#define TOTAL_BRUSH_SIZE 64 // We'll only ever handle 8x8 patterns,
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// and this is the number of pels
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typedef struct _BRUSHENTRY BRUSHENTRY;
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// NOTE: Changes to the RBRUSH or BRUSHENTRY structures must be reflected
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// in strucs.inc!
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typedef struct _RBRUSH {
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FLONG fl; // Type flags
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ULONG ulForeColor; // Foreground colour if 1bpp
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ULONG ulBackColor; // Background colour if 1bpp
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LONG cy; // Unique height of pattern
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ULONG cyLog2; // Unique height expressed as power of 2
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LONG xBlockAlign; // 'x' alignment of block-write pattern
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ULONG aulBlockPattern[TOTAL_BRUSH_SIZE / 4];
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// Contains screen-aligned version of
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// 'aulPattern', used for block-write
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// patterns; -1 indicates it's not yet
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// aligned
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ULONG aulPattern[1]; // Open-ended array for keeping copy of the
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// Don't put anything // actual pattern bits in case the brush
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// after here, or // origin changes, or someone else steals
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// you'll be sorry! // our brush entry (declared as a ULONG
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// for proper dword alignment)
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} RBRUSH; /* rb, prb */
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typedef union _RBRUSH_COLOR {
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RBRUSH* prb;
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ULONG iSolidColor;
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} RBRUSH_COLOR; /* rbc, prbc */
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BOOL bEnableBrushCache(PDEV*);
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VOID vDisableBrushCache(PDEV*);
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VOID vAssertModeBrushCache(PDEV*, BOOL);
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/////////////////////////////////////////////////////////////////////////
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// Heap stuff
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typedef enum {
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OFL_INUSE = 1, // The device bitmap is no longer located in
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// off-screen memory; it's been converted to
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// a DIB
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OFL_AVAILABLE = 2, // Space is in-use
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OFL_PERMANENT = 4 // Space is available
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} OHFLAGS; // Space is permanently allocated; never free it
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typedef struct _DSURF DSURF;
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typedef struct _OH OH;
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typedef struct _OH
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{
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OHFLAGS ofl; // OH_ flags
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LONG x; // x-coordinate of left edge of allocation
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LONG y; // y-coordinate of top edge of allocation
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LONG cx; // Width in pixels of allocation
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LONG cy; // Height in pixels of allocation
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OH* pohNext; // When OFL_AVAILABLE, points to the next free node,
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// in ascending cxcy value. This is kept as a
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// circular doubly-linked list with a sentinel
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// at the end.
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// When OFL_INUSE, points to the next most recently
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// blitted allocation. This is kept as a circular
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// doubly-linked list so that the list can be
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// quickly be updated on every blt.
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OH* pohPrev; // Opposite of 'pohNext'
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ULONG cxcy; // Width and height in a dword for searching
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OH* pohLeft; // Adjacent allocation when in-use or available
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OH* pohUp;
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OH* pohRight;
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OH* pohDown;
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DSURF* pdsurf; // Points to our DSURF structure
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}; /* oh, poh */
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// This is the smallest structure used for memory allocations:
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typedef struct _OHALLOC OHALLOC;
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typedef struct _OHALLOC
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{
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OHALLOC* pohaNext;
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OH aoh[1];
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} OHALLOC; /* oha, poha */
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typedef struct _HEAP
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{
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LONG cxMax; // Largest possible free space by area
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LONG cyMax;
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OH ohAvailable; // Head of available list (pohNext points to
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// smallest available rectangle, pohPrev
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// points to largest available rectangle,
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// sorted by cxcy)
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OH ohDfb; // Head of the list of all DFBs currently in
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// offscreen memory that are eligible to be
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// tossed out of the heap (pohNext points to
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// the most recently blitted; pohPrev points
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// to least recently blitted)
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OH* pohFreeList; // List of OH node data structures available
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OHALLOC* pohaChain; // Chain of allocations
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} HEAP; /* heap, pheap */
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typedef enum {
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DT_SCREEN, // Surface is kept in screen memory
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DT_DIB // Surface is kept as a DIB
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} DSURFTYPE; /* dt, pdt */
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typedef struct _DSURF
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{
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DSURFTYPE dt; // DSURF status (whether off-screen or in a DIB)
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SIZEL sizl; // Size of the original bitmap (could be smaller
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// than poh->sizl)
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PDEV* ppdev; // Need this for deleting the bitmap
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union {
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OH* poh; // If DT_SCREEN, points to off-screen heap node
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SURFOBJ* pso; // If DT_DIB, points to locked GDI surface
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};
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// The following are used for DT_DIB only...
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ULONG cBlt; // Counts down the number of blts necessary at
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// the current uniqueness before we'll consider
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// putting the DIB back into off-screen memory
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ULONG iUniq; // Tells us whether there have been any heap
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// 'free's since the last time we looked at
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// this DIB
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} DSURF; /* dsurf, pdsurf */
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// GDI expects dword alignment for any bitmaps on which it is expected
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// to draw. Since we occasionally ask GDI to draw directly on our off-
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// screen bitmaps, this means that any off-screen bitmaps must be dword
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// aligned in the frame buffer. We enforce this merely by ensuring that
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// all off-screen bitmaps are four-pel aligned (we may waste a couple of
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// pixels at the higher colour depths):
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#define HEAP_X_ALIGNMENT 4
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// Number of blts necessary before we'll consider putting a DIB DFB back
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// into off-screen memory:
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#define HEAP_COUNT_DOWN 6
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// Flags for 'pohAllocate':
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typedef enum {
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FLOH_ONLY_IF_ROOM = 0x00000001, // Don't kick stuff out of off-
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// screen memory to make room
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} FLOH;
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BOOL bEnableOffscreenHeap(PDEV*);
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VOID vDisableOffscreenHeap(PDEV*);
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BOOL bAssertModeOffscreenHeap(PDEV*, BOOL);
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OH* pohMoveOffscreenDfbToDib(PDEV*, OH*);
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BOOL bMoveDibToOffscreenDfbIfRoom(PDEV*, DSURF*);
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OH* pohAllocatePermanent(PDEV*, LONG, LONG);
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BOOL bMoveAllDfbsFromOffscreenToDibs(PDEV* ppdev);
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/////////////////////////////////////////////////////////////////////////
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// Bank manager stuff
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#define BANK_DATA_SIZE 80 // Number of bytes to allocate for the
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// miniport down-loaded bank code working
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// space
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typedef struct _BANK
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{
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// Private data:
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RECTL rclDraw; // Rectangle describing the remaining undrawn
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// portion of the drawing operation
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RECTL rclSaveBounds; // Saved from original CLIPOBJ for restoration
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BYTE iSaveDComplexity; // Saved from original CLIPOBJ for restoration
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BYTE fjSaveOptions; // Saved from original CLIPOBJ for restoration
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LONG iBank; // Current bank
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PDEV* ppdev; // Saved copy
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// Public data:
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SURFOBJ* pso; // Surface wrapped around the bank. Has to be
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// passed as the surface in any banked call-
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// back.
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CLIPOBJ* pco; // Clip object that is the intersection of the
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// original clip object with the bounds of the
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// current bank. Has to be passed as the clip
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// object in any banked call-back.
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} BANK; /* bnk, pbnk */
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typedef enum {
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BANK_OFF = 0, // We've finished using the memory aperture
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BANK_ON, // We're about to use the memory aperture
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BANK_DISABLE, // We're about to enter full-screen; shut down banking
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BANK_ENABLE, // We've exited full-screen; re-enable banking
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} BANK_MODE; /* bankm, pbankm */
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typedef BOOL (FNBANKCOMPUTE)(PDEV*, RECTL*, RECTL*, LONG*, LONG*);
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VOID vBankStart(PDEV*, RECTL*, CLIPOBJ*, BANK*);
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BOOL bBankEnum(BANK*);
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FNBANKCOMPUTE bBankComputeNonPower2;
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FNBANKCOMPUTE bBankComputePower2;
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BOOL bEnableBanking(PDEV*);
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VOID vDisableBanking(PDEV*);
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VOID vAssertModeBanking(PDEV*, BOOL);
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/////////////////////////////////////////////////////////////////////////
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// Pointer stuff
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BOOL bEnablePointer(PDEV*);
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VOID vDisablePointer(PDEV*);
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VOID vAssertModePointer(PDEV*, BOOL);
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BOOL bInitializePointer(PDEV*);
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VOID vUninitializePointer(PDEV*);
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/////////////////////////////////////////////////////////////////////////
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// Palette stuff
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BOOL bEnablePalette(PDEV*);
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VOID vDisablePalette(PDEV*);
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VOID vAssertModePalette(PDEV*, BOOL);
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BOOL bInitializePalette(PDEV*, DEVINFO*);
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VOID vUninitializePalette(PDEV*);
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#define MAX_CLUT_SIZE (sizeof(VIDEO_CLUT) + (sizeof(ULONG) * 256))
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/////////////////////////////////////////////////////////////////////////
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// 3D DDI Rendering Extension stuff
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BOOL bEnableRx(PDEV*);
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VOID vDisableRx(PDEV*);
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VOID vAssertModeRx(PDEV*, BOOL);
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//////////////////////////////////////////////////////////////////////
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// Low-level blt function prototypes
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typedef VOID (FNFILL)(PDEV*, LONG, RECTL*, ULONG, RBRUSH_COLOR, POINTL*);
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typedef VOID (FNXFER)(PDEV*, LONG, RECTL*, ULONG, SURFOBJ*, POINTL*,
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RECTL*, XLATEOBJ*);
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typedef VOID (FNCOPY)(PDEV*, LONG, RECTL*, ULONG, POINTL*, RECTL*);
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typedef VOID (FNTEXTOUT)(PDEV*, STROBJ*, FONTOBJ*, CLIPOBJ*, RECTL*,
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BRUSHOBJ*, BRUSHOBJ*);
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FNFILL vIoFillPat;
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FNFILL vIoFillSolid;
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FNXFER vIoXfer1bpp;
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FNCOPY vIoCopyBlt;
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FNTEXTOUT vIoTextOut;
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FNFILL vMmFillPat;
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FNFILL vMmFillSolid;
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FNXFER vMmXfer1bpp;
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FNCOPY vMmCopyBlt;
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FNTEXTOUT vMmTextOut;
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VOID vPutBits(PDEV*, SURFOBJ*, RECTL*, POINTL*);
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VOID vGetBits(PDEV*, SURFOBJ*, RECTL*, POINTL*);
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BOOL bFastFill(PDEV*, LONG, POINTFIX*, ULONG, ULONG, RBRUSH*, POINTL*);
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////////////////////////////////////////////////////////////////////////
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// Capabilities flags
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//
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// These are private flags passed to us from the S3 miniport. They
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// come from the high word of the 'AttributeFlags' field of the
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// 'VIDEO_MODE_INFORMATION' structure (found in 'ntddvdeo.h') passed
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// to us via an 'VIDEO_QUERY_AVAIL_MODES' or 'VIDEO_QUERY_CURRENT_MODE'
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// IOCTL.
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//
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// NOTE: These definitions must match those in the S3 miniport's 's3.h'!
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typedef enum {
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} CAPS;
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////////////////////////////////////////////////////////////////////////
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// Status flags
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typedef enum {
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STAT_UNACCELERATED = 0x0001, // Unaccelerated 16bpp or 32bpp mode
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STAT_GLYPH_CACHE = 0x0002, // Off-screen glyph cache allocated
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} STATUS;
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////////////////////////////////////////////////////////////////////////
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// The Physical Device data structure
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typedef struct _PDEV
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{
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LONG xOffset; // Pixel offset from (0, 0) to current
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LONG yOffset; // DFB located in off-screen memory
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BYTE* pjMmBase; // Start of memory mapped I/O
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BYTE* pjScreen; // Points to base screen address
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LONG lDelta; // Distance from one scan to the next.
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LONG cPelSize; // 0 if 8bpp, 1 if 16bpp, 2 if 32bpp
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ULONG iBitmapFormat; // BMF_8BPP or BMF_16BPP or BMF_32BPP
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// (our current colour depth)
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LONG iBoard; // Logical multi-board identifier
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// (zero by default)
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// Rendering extensions colour information.
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UCHAR rDepth; // Number of red bits
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UCHAR gDepth; // Number of green bits
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UCHAR bDepth; // Number of blue bits
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UCHAR aDepth; // Number of alpha bits
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UCHAR rBitShift; // Left bit-shift for red component
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UCHAR gBitShift; // Left bit-shift for green component
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UCHAR bBitShift; // Left bit-shift for blue component
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UCHAR aBitShift; // Left bit-shift for alpha component
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BYTE* pjIoBase; // !!!
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LONG cjPel; // !!!
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CAPS flCaps; // Capabilities flags
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STATUS flStat; // Status flags
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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*);
|