220 lines
6.4 KiB
C
220 lines
6.4 KiB
C
/****************************************************************************/
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// nsbcdisp.h
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//
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// RDP Send Bitmap Cache display driver header.
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//
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// Copyright(c) Microsoft 1997-2000
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/****************************************************************************/
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#ifndef _H_NSBCDISP
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#define _H_NSBCDISP
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#include <nddapi.h>
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#include <asbcapi.h>
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#define GH_STATUS_SUCCESS 0
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#define GH_STATUS_NO_MEMORY 1
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#define GH_STATUS_CLIPPED 2
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#define SBC_NUM_BRUSH_CACHE_ENTRIES 64
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#define SBC_NUM_GLYPH_CACHE_ENTRIES 256
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/****************************************************************************/
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// Structure: SBC_COLOR_TABLE
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/****************************************************************************/
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typedef struct tagSBC_COLOR_TABLE
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{
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PALETTEENTRY color[SBC_NUM_8BPP_COLORS];
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} SBC_COLOR_TABLE, *PSBC_COLOR_TABLE;
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/****************************************************************************/
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// Structure: MEMBLT_ORDER_EXTRA_INFO
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//
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// Description: Extra information required by SBC to process a MEMBLT
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// order.
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/****************************************************************************/
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typedef struct
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{
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// MemBlt source and destination surfaces.
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SURFOBJ *pSource;
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SURFOBJ *pDest;
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// iUniq value from the device surface
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ULONG iDeviceUniq;
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// XLATEOBJ for the blt.
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XLATEOBJ *pXlateObj;
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// Tile size per side, in ID form (corresponding to a bitmap cache ID
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// and its protocol-defined cell size) and expanded form.
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unsigned TileID;
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unsigned TileSize;
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// Determines if special background screen bit construction is needed
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// before caching a bitmap.
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BOOLEAN bDeltaRLE;
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// Used under special conditions where we need to turn off fast-path
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// caching. Only use right now is when caching directly from the screen
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// bitmap.
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BOOLEAN bNoFastPathCaching;
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// Used during caching call chain to keep from attempting to re-cache
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// the same tile for each intersecting clip rect.
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unsigned CacheID;
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unsigned CacheIndex;
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#ifdef PERF_SPOILING
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// Used to tell the caching functions if the target for the current
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// operation is the screen. If it is the caching functions will force
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// waitlist orders to be sent as screen data.
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BOOL bIsPrimarySurface;
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#endif
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} MEMBLT_ORDER_EXTRA_INFO, *PMEMBLT_ORDER_EXTRA_INFO;
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/****************************************************************************/
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// Structure: SBC_FAST_PATH_INFO
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//
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// Description: Information used to create fast-path cache keys.
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/****************************************************************************/
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typedef struct tagSBC_FAST_PATH_INFO
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{
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HSURF hsurf;
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ULONG iUniq;
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ULONG iDeviceUniq;
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XLATEOBJ *pXlateObj;
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ULONG iUniqXlate;
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POINTL tileOrigin;
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unsigned TileSize;
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BOOL bDeltaRLE;
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} SBC_FAST_PATH_INFO, *PSBC_FAST_PATH_INFO;
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/****************************************************************************/
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// SBC_FRAG_INFO
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//
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// Glyph fragment info.
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/****************************************************************************/
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typedef struct tagSBC_FRAG_INFO
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{
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INT32 dx; // width of fragment background rect
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INT32 dy; // height of fragment background rect
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} SBC_FRAG_INFO, *PSBC_FRAG_INFO;
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/****************************************************************************/
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// SBC_OFFSCR_BITMAP_DELETE_INFO
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/****************************************************************************/
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typedef struct tagSBC_OFFSCR_BITMAP_DEL_INFO
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{
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unsigned bitmapId;
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unsigned bitmapSize;
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} SBC_OFFSCR_BITMAP_DEL_INFO, *PSBC_OFFSCR_BITMAP_DEL_INFO;
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/****************************************************************************/
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// Prototypes and inlines
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/****************************************************************************/
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void RDPCALL SBC_DDInit(PDD_PDEV);
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void RDPCALL SBC_InitShm(void);
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BOOLEAN RDPCALL SBCSelectGlyphCache(unsigned, PINT32);
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BOOLEAN __fastcall SBCBitmapCacheCallback(
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CHCACHEHANDLE hCache,
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unsigned Event,
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unsigned iCacheEntry,
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void *UserDefined);
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BOOLEAN __fastcall SBCFastPathCacheCallback(
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CHCACHEHANDLE hCache,
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unsigned event,
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unsigned iCacheEntry,
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void *UserDefined);
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BOOLEAN RDPCALL SBCCreateGlyphCache(
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unsigned cEntries,
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unsigned cbCellSize,
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PCHCACHEDATA pCacheHandle);
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BOOLEAN RDPCALL SBCCreateFragCache(
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unsigned cEntries,
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unsigned cbCellSize,
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PCHCACHEDATA pCacheHandle);
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BOOLEAN __fastcall SBCGlyphCallback(
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CHCACHEHANDLE hCache,
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unsigned event,
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unsigned iCacheEntry,
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void *UserDefined);
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BOOLEAN __fastcall SBCOffscreenCallback(
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CHCACHEHANDLE hCache,
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unsigned event,
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unsigned iCacheEntry,
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void *UserDefined);
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unsigned RDPCALL SBCSelectBitmapCache(unsigned, unsigned);
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unsigned SBC_DDQueryBitmapTileSize(unsigned, unsigned, PPOINTL, unsigned,
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unsigned);
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BOOLEAN RDPCALL SBCCacheBits(PDD_PDEV, BYTE *, unsigned, unsigned, unsigned,
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#ifdef PERF_SPOILING
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unsigned, unsigned, unsigned *, unsigned *, BOOL);
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#else
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unsigned, unsigned, unsigned *, unsigned *);
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#endif
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BOOLEAN RDPCALL SBC_SendCacheColorTableOrder(PDD_PDEV, unsigned *);
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BOOLEAN RDPCALL SBC_CacheBitmapTile(PDD_PDEV, PMEMBLT_ORDER_EXTRA_INFO,
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RECTL *, RECTL *);
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void RDPCALL SBC_Update(SBC_BITMAP_CACHE_KEY_INFO *);
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void RDPCALL SBC_DDSync(BOOLEAN bMustSync);
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unsigned RDPCALL SBCAllocGlyphCache(PCHCACHEHANDLE);
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unsigned RDPCALL SBCAllocBitmapCache(PCHCACHEHANDLE);
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void RDPCALL SBCFreeColorTableCacheData(void);
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void RDPCALL SBCFreeGlyphCacheData(void);
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void RDPCALL SBCFreeBitmapCacheData(void);
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void RDPCALL SBCFreeCacheData(void);
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UINT32 RDPCALL SBCDDGetTickCount(void);
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/****************************************************************************/
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// SBC_DDTerm
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/****************************************************************************/
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__inline void RDPCALL SBC_DDTerm(void)
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{
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SBCFreeCacheData();
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}
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/****************************************************************************/
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// SBC_DDDisc
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/****************************************************************************/
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__inline void RDPCALL SBC_DDDisc(void)
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{
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SBCFreeCacheData();
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}
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#endif /* _H_NSBCDISP */
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