10 // Gdi Batch Flush support functions.
16 // based on IntEngEnter from eng/engmisc.c
20 DoDeviceSync( SURFOBJ
*Surface
, PRECTL Rect
, FLONG fl
)
22 PPDEVOBJ Device
= (PDEVOBJ
*)Surface
->hdev
;
23 // No punting and "Handle to a surface, provided that the surface is device-managed.
24 // Otherwise, dhsurf is zero".
25 if (!(Device
->flFlags
& PDEV_DRIVER_PUNTED_CALL
) && (Surface
->dhsurf
))
27 if (Device
->DriverFunctions
.SynchronizeSurface
)
29 Device
->DriverFunctions
.SynchronizeSurface(Surface
, Rect
, fl
);
33 if (Device
->DriverFunctions
.Synchronize
)
35 Device
->DriverFunctions
.Synchronize(Surface
->dhpdev
, Rect
);
43 SynchonizeDriver(FLONG Flags
)
48 if (Flags
& GCAPS2_SYNCFLUSH
)
49 Flags
= DSS_FLUSH_EVENT
;
50 if (Flags
& GCAPS2_SYNCTIMER
)
51 Flags
= DSS_TIMER_EVENT
;
53 Device
= IntEnumHDev();
56 SurfObj
= 0;// EngLockSurface( Device->pSurface );
58 DoDeviceSync( SurfObj
, NULL
, Flags
);
59 EngUnlockSurface(SurfObj
);
68 GdiFlushUserBatch(PDC dc
, PGDIBATCHHDR pHdr
)
71 ULONG Cmd
= 0, Size
= 0;
72 PDC_ATTR pdcattr
= NULL
;
76 pdcattr
= dc
->pdcattr
;
82 Size
= pHdr
->Size
; // Return the full size of the structure.
84 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER
)
92 DPRINT1("WARNING! GdiBatch Fault!\n");
96 // FYI! The thread is approaching the end of sunset.
99 case GdiBCPatBlt
: // Highest pri first!
101 case GdiBCPolyPatBlt
:
105 case GdiBCExtTextOut
:
107 case GdiBCSetBrushOrg
:
109 PGDIBSSETBRHORG pgSBO
;
111 pgSBO
= (PGDIBSSETBRHORG
) pHdr
;
112 pdcattr
->ptlBrushOrigin
= pgSBO
->ptlBrushOrigin
;
113 IntptlBrushOrigin(dc
, pgSBO
->ptlBrushOrigin
.x
, pgSBO
->ptlBrushOrigin
.y
);
116 case GdiBCExtSelClipRgn
:
121 PTEXTOBJ pNewFnt
= NULL
;
124 pgO
= (PGDIBSOBJECT
) pHdr
;
126 if (NT_SUCCESS(TextIntRealizeFont((HFONT
)pgO
->hgdiobj
,NULL
)))
128 /* LFONTOBJ use share and locking. */
129 pNewFnt
= TEXTOBJ_LockText(pgO
->hgdiobj
);
131 dc
->dclevel
.plfnt
= pNewFnt
;
132 dc
->hlfntCur
= pgO
->hgdiobj
;
133 pdcattr
->hlfntNew
= pgO
->hgdiobj
;
134 pdcattr
->ulDirty_
|= DIRTY_CHARSET
;
135 pdcattr
->ulDirty_
&= ~SLOW_WIDTHS
;
137 if (pNewFnt
) TEXTOBJ_UnlockText(pNewFnt
);
141 DPRINT("Delete Region Object!\n");
144 PGDIBSOBJECT pgO
= (PGDIBSOBJECT
) pHdr
;
145 GreDeleteObject( pgO
->hgdiobj
);
158 * Flushes the calling thread's current batch.
164 SynchonizeDriver(GCAPS2_SYNCFLUSH
);
168 * NtGdiFlushUserBatch
170 * Callback for thread batch flush routine.
172 * Think small & fast!
176 NtGdiFlushUserBatch(VOID
)
178 PTEB pTeb
= NtCurrentTeb();
179 ULONG GdiBatchCount
= pTeb
->GdiBatchCount
;
181 if( (GdiBatchCount
> 0) && (GdiBatchCount
<= (GDIBATCHBUFSIZE
/4)))
183 HDC hDC
= (HDC
) pTeb
->GdiTebBatch
.HDC
;
185 /* If hDC is zero and the buffer fills up with delete objects we need
188 if (hDC
|| GdiBatchCount
)
190 PCHAR pHdr
= (PCHAR
)&pTeb
->GdiTebBatch
.Buffer
[0];
193 if (hDC
&& !IsObjectDead(hDC
))
195 pDC
= DC_LockDc(hDC
);
198 // No need to init anything, just go!
199 for (; GdiBatchCount
> 0; GdiBatchCount
--)
202 // Process Gdi Batch!
203 Size
= GdiFlushUserBatch(pDC
, (PGDIBATCHHDR
) pHdr
);
213 // Exit and clear out for the next round.
214 pTeb
->GdiTebBatch
.Offset
= 0;
215 pTeb
->GdiBatchCount
= 0;
216 pTeb
->GdiTebBatch
.HDC
= 0;
220 // FIXME: on xp the function returns &pTeb->RealClientId, maybe VOID?
221 return STATUS_SUCCESS
;