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
;
115 case GdiBCExtSelClipRgn
:
121 pgO
= (PGDIBSOBJECT
) pHdr
;
122 TextIntRealizeFont((HFONT
) pgO
->hgdiobj
, NULL
);
123 pdcattr
->ulDirty_
&= ~(DIRTY_CHARSET
);
126 DPRINT("Delete Region Object!\n");
129 PGDIBSOBJECT pgO
= (PGDIBSOBJECT
) pHdr
;
130 GreDeleteObject( pgO
->hgdiobj
);
143 * Flushes the calling thread's current batch.
149 SynchonizeDriver(GCAPS2_SYNCFLUSH
);
153 * NtGdiFlushUserBatch
155 * Callback for thread batch flush routine.
157 * Think small & fast!
161 NtGdiFlushUserBatch(VOID
)
163 PTEB pTeb
= NtCurrentTeb();
164 ULONG GdiBatchCount
= pTeb
->GdiBatchCount
;
166 if( (GdiBatchCount
> 0) && (GdiBatchCount
<= (GDIBATCHBUFSIZE
/4)))
168 HDC hDC
= (HDC
) pTeb
->GdiTebBatch
.HDC
;
170 /* If hDC is zero and the buffer fills up with delete objects we need
173 if (hDC
|| GdiBatchCount
)
175 PCHAR pHdr
= (PCHAR
)&pTeb
->GdiTebBatch
.Buffer
[0];
178 if (hDC
&& !IsObjectDead(hDC
))
180 pDC
= DC_LockDc(hDC
);
183 // No need to init anything, just go!
184 for (; GdiBatchCount
> 0; GdiBatchCount
--)
187 // Process Gdi Batch!
188 Size
= GdiFlushUserBatch(pDC
, (PGDIBATCHHDR
) pHdr
);
198 // Exit and clear out for the next round.
199 pTeb
->GdiTebBatch
.Offset
= 0;
200 pTeb
->GdiBatchCount
= 0;
201 pTeb
->GdiTebBatch
.HDC
= 0;
205 // FIXME: on xp the function returns &pTeb->RealClientId, maybe VOID?
206 return STATUS_SUCCESS
;