Leaked source code of windows server 2003
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/****************************************************************************/
// asbcapi.h
//
// Send Bitmap Cache API header.
//
// Copyright(c) Microsoft, PictureTel 1992-1996
// (C) 1997-2000 Microsoft Corp.
/****************************************************************************/
#ifndef _H_ASBCAPI
#define _H_ASBCAPI
#include <aoaapi.h>
#include <achapi.h>
/****************************************************************************/
/* sbcEnabled flags */
/****************************************************************************/
#define SBC_NO_CACHE_ENABLED (0 << 0)
#define SBC_BITMAP_CACHE_ENABLED (1 << 0)
#define SBC_GLYPH_CACHE_ENABLED (1 << 1)
#define SBC_BRUSH_CACHE_ENABLED (1 << 2)
#define SBC_OFFSCREEN_CACHE_ENABLED (1 << 3)
#ifdef DRAW_NINEGRID
#define SBC_DRAWNINEGRID_CACHE_ENABLED (1 << 4)
#endif
#ifdef DRAW_GDIPLUS
#define SBC_DRAWGDIPLUS_CACHE_ENABLED (1 << 5)
#endif
/****************************************************************************/
/* Bitmap cache */
/****************************************************************************/
#define SBC_PROTOCOL_BPP 8
#define SBC_NUM_8BPP_COLORS 256
#define SBC_CACHE_0_DIMENSION 16
#define SBC_CACHE_0_DIMENSION_SHIFT 4
// Cache IDs have a protocol-implicit cell size, starting from 256 and
// increasing in factors of 4.
#ifdef DC_HICOLOR
#define SBC_CellSizeFromCacheID(_id) \
((TS_BITMAPCACHE_0_CELL_SIZE << (2 * (_id))) \
* ((sbcClientBitsPerPel + 7) / 8))
#else
#define SBC_CellSizeFromCacheID(_id) \
(TS_BITMAPCACHE_0_CELL_SIZE << (2 * (_id)))
#endif
/****************************************************************************/
/* Glyph cache */
/****************************************************************************/
#define SBC_NUM_GLYPH_CACHES 10
#define CAPS_GLYPH_SUPPORT_NONE 0
#define CAPS_GLYPH_SUPPORT_PARTIAL 1
#define CAPS_GLYPH_SUPPORT_FULL 2
#define CAPS_GLYPH_SUPPORT_ENCODE 3
// Color table cache entries. Note the size of this cache is by consensus with
// the client -- we do not currently actually negotiate the color cache
// capabilities in TS_COLORTABLECACHE_CAPABILITYSET.
#define SBC_NUM_COLOR_TABLE_CACHE_ENTRIES 6
/****************************************************************************/
/* Define the maximum server cache sizes. */
/* */
/* These values are negotiated down with the client to determine the actual */
/* cache sizes used. */
/****************************************************************************/
#define SBC_GL_CACHE1_MAX_CELL_SIZE 2048
#define SBC_GL_CACHE2_MAX_CELL_SIZE 2048
#define SBC_GL_CACHE3_MAX_CELL_SIZE 2048
#define SBC_GL_CACHE4_MAX_CELL_SIZE 2048
#define SBC_GL_CACHE5_MAX_CELL_SIZE 2048
#define SBC_GL_CACHE6_MAX_CELL_SIZE 2048
#define SBC_GL_CACHE7_MAX_CELL_SIZE 2048
#define SBC_GL_CACHE8_MAX_CELL_SIZE 2048
#define SBC_GL_CACHE9_MAX_CELL_SIZE 2048
#define SBC_GL_CACHE10_MAX_CELL_SIZE 2048
#define SBC_GL_MAX_CACHE_ENTRIES 254
/****************************************************************************/
/* Fragment cache */
/****************************************************************************/
#define SBC_NUM_FRAG_CACHES 1
/****************************************************************************/
/* Define the maximum server cache sizes. */
/* */
/* These values are negotiated down with the client to determine the actual */
/* cache sizes used. */
/****************************************************************************/
#define SBC_FG_CACHE_MAX_CELL_SIZE 256
#define SBC_FG_CACHE_MAX_ENTRIES 256
/****************************************************************************/
// Reg keys and flags for disabling caches.
/****************************************************************************/
#define SBC_INI_CACHING_DISABLED L"Caching Disabled"
#define SBC_DEFAULT_CACHING_DISABLED 0
#define SBC_DISABLE_BITMAP_CACHE 0x01
#define SBC_DISABLE_BRUSH_CACHE 0x02
#define SBC_DISABLE_GLYPH_CACHE 0x04
#define SBC_DISABLE_OFFSCREEN_CACHE 0x08
#ifdef DRAW_NINEGRID
#define SBC_DISABLE_DRAWNINEGRID_CACHE 0x10
#endif
#ifdef DRAW_GDIPLUS
#define SBC_DISABLE_DRAWGDIPLUS_CACHE 0x20
#endif
/****************************************************************************/
// Structure: SBC_BITMAP_CACHE_INFO
//
// Description: Information stored for each bitmap cache.
/****************************************************************************/
typedef struct tagSBC_BITMAP_CACHE_INFO
{
CHCACHEHANDLE cacheHandle;
CHCACHEHANDLE waitingListHandle;
// flag indicates if the cache needs to be cleared
unsigned fClearCache;
TS_BITMAPCACHE_CELL_CACHE_INFO Info;
// Work tile bitmap information - surface handle, pointer to the bitmap
// bits.
HSURF hWorkBitmap;
BYTE *pWorkBitmapBits;
#ifdef DC_DEBUG
// Pointer to extra info array for each entry. Used to detect key
// generation algorithm collisions.
BYTE *pExtraEntryInfo;
#endif
} SBC_BITMAP_CACHE_INFO, *PSBC_BITMAP_CACHE_INFO;
/****************************************************************************/
/* Structure: SBC_GLYPH_CACHE_INFO */
/* */
/* Description: Information stored for each glyph cache. */
/****************************************************************************/
typedef struct tagSBC_GLYPH_CACHE_INFO
{
CHCACHEHANDLE cacheHandle;
unsigned cbCellSize;
unsigned cbUseCount;
} SBC_GLYPH_CACHE_INFO, *PSBC_GLYPH_CACHE_INFO;
/****************************************************************************/
/* Structure: SBC_FRAG_CACHE_INFO */
/* */
/* Description: Information stored for each frag cache. */
/****************************************************************************/
typedef struct tagSBC_FRAG_CACHE_INFO
{
CHCACHEHANDLE cacheHandle;
unsigned cbCellSize;
} SBC_FRAG_CACHE_INFO, *PSBC_FRAG_CACHE_INFO;
/****************************************************************************/
/* Structure: SBC_BRUSH_CACHE_INFO */
/* */
/* Description: Information stored for each brush cache. */
/****************************************************************************/
typedef struct tagSBC_BRUSH_CACHE_INFO
{
CHCACHEHANDLE cacheHandle;
} SBC_BRUSH_CACHE_INFO, *PSBC_BRUSH_CACHE_INFO;
/****************************************************************************/
// SBC_OFFSCREEN_BITMAP_CACHE_INFO
//
// Description: Information stored for the offscreen bitmap cache
/****************************************************************************/
typedef struct tagSBC_OFFSCREEN_BITMAP_CACHE_INFO
{
unsigned supportLevel;
unsigned cacheSize;
unsigned cacheEntries;
} SBC_OFFSCREEN_BITMAP_CACHE_INFO, *PSBC_OFFSCREEN_BITMAP_CACHE_INFO;
#ifdef DRAW_NINEGRID
/****************************************************************************/
// SBC_DRAWNINEGRID_BITMAP_CACHE_INFO
//
// Description: Information stored for the drawninegrid bitmap cache
/****************************************************************************/
typedef struct tagSBC_DRAWNINEGRID_BITMAP_CACHE_INFO
{
unsigned supportLevel;
unsigned cacheSize;
unsigned cacheEntries;
} SBC_DRAWNINEGRID_BITMAP_CACHE_INFO, *PSBC_DRAWNINEGRID_BITMAP_CACHE_INFO;
#endif
#ifdef DRAW_GDIPLUS
/****************************************************************************/
// SBC_DRAWGDIPLUS_INFO
//
// Description: Information stored for the drawgdiplus
/****************************************************************************/
typedef struct tagSBC_DRAWGDIPLUS_INFO
{
unsigned supportLevel;
unsigned GdipVersion;
unsigned GdipCacheLevel;
TS_GDIPLUS_CACHE_ENTRIES GdipCacheEntries;
TS_GDIPLUS_CACHE_CHUNK_SIZE GdipCacheChunkSize;
TS_GDIPLUS_IMAGE_CACHE_PROPERTIES GdipImageCacheProperties;
} SBC_DRAWGDIPLUS_INFO, *PSBC_DRAWGDIPLUS_INFO;
#endif
/****************************************************************************/
/* Structure: SBC_CACHE_SIZE */
/* */
/* Description: */
/****************************************************************************/
typedef struct tagSBC_CACHE_SIZE
{
unsigned cEntries;
unsigned cbCellSize;
} SBC_CACHE_SIZE, *PSBC_CACHE_SIZE;
/****************************************************************************/
// Structure: SBC_NEGOTIATED_CAPABILITIES
//
// Description:
/****************************************************************************/
typedef struct tagSBC_NEGOTIATED_CAPABILITIES
{
SBC_CACHE_SIZE glyphCacheSize[SBC_NUM_GLYPH_CACHES];
SBC_CACHE_SIZE fragCacheSize[SBC_NUM_FRAG_CACHES];
UINT16 GlyphSupportLevel;
UINT32 brushSupportLevel;
} SBC_NEGOTIATED_CAPABILITIES, *PSBC_NEGOTIATED_CAPABILITIES;
/****************************************************************************/
// SBC_BITMAP_CACHE_KEY_INFO
//
// Cache information required to hold either persistent bitmap cache keys
// sent from the client or to transition from a disconnect of a temporary
// login display driver instance to a reconnect to an existing display driver
// session.
/****************************************************************************/
typedef struct
{
UINT32 Key1, Key2;
unsigned CacheIndex;
} SBC_MRU_KEY, *PSBC_MRU_KEY;
typedef struct
{
unsigned TotalKeys;
unsigned NumKeys[TS_BITMAPCACHE_MAX_CELL_CACHES];
unsigned KeyStart[TS_BITMAPCACHE_MAX_CELL_CACHES];
unsigned pad;
SBC_MRU_KEY Keys[1];
} SBC_BITMAP_CACHE_KEY_INFO, *PSBC_BITMAP_CACHE_KEY_INFO;
/****************************************************************************/
// Structure: SBC_SHARED_DATA
//
// Description: SBC data shared between DD and WD.
/****************************************************************************/
typedef struct tagSBC_SHARED_DATA
{
unsigned bUseRev2CacheBitmapOrder : 1;
unsigned fCachingEnabled : 1;
unsigned fClearCache : 1;
unsigned newCapsData : 1;
unsigned syncRequired : 1;
unsigned fDisableOffscreen : 1;
#ifdef DRAW_NINEGRID
unsigned fDisableDrawNineGrid : 1;
#endif
unsigned fAllowCacheWaitingList : 1;
unsigned NumBitmapCaches;
#ifdef DRAW_GDIPLUS
unsigned fDisableDrawGdiplus: 1;
#endif
CHCACHEHANDLE hFastPathCache;
SBC_BITMAP_CACHE_INFO bitmapCacheInfo[TS_BITMAPCACHE_MAX_CELL_CACHES];
SBC_GLYPH_CACHE_INFO glyphCacheInfo[SBC_NUM_GLYPH_CACHES];
SBC_FRAG_CACHE_INFO fragCacheInfo[SBC_NUM_FRAG_CACHES];
SBC_OFFSCREEN_BITMAP_CACHE_INFO offscreenCacheInfo;
#ifdef DRAW_NINEGRID
SBC_DRAWNINEGRID_BITMAP_CACHE_INFO drawNineGridCacheInfo;
#endif
#ifdef DRAW_GDIPLUS
SBC_DRAWGDIPLUS_INFO drawGdiplusInfo;
#endif
SBC_NEGOTIATED_CAPABILITIES caps;
#ifdef DC_HICOLOR
unsigned clientBitsPerPel;
#endif
} SBC_SHARED_DATA, *PSBC_SHARED_DATA;
#ifdef DC_DEBUG
/****************************************************************************/
// SBC_BITMAP_CACHE_EXTRA_INFO
//
// Information stored parallel to CH cache nodes for SBC bitmap caches.
/****************************************************************************/
typedef struct
{
unsigned DataSize;
} SBC_BITMAP_CACHE_EXTRA_INFO;
#endif
#endif /* _H_ASBCAPI */