9 // Gdi Batch Flush support functions.
15 // based on IntEngEnter from eng/engmisc.c
19 DoDeviceSync( SURFOBJ
*Surface
, PRECTL Rect
, FLONG fl
)
21 PPDEVOBJ Device
= (PDEVOBJ
*)Surface
->hdev
;
22 // No punting and "Handle to a surface, provided that the surface is device-managed.
23 // Otherwise, dhsurf is zero".
24 if (!(Device
->flFlags
& PDEV_DRIVER_PUNTED_CALL
) && (Surface
->dhsurf
))
26 if (Device
->DriverFunctions
.SynchronizeSurface
)
28 Device
->DriverFunctions
.SynchronizeSurface(Surface
, Rect
, fl
);
32 if (Device
->DriverFunctions
.Synchronize
)
34 Device
->DriverFunctions
.Synchronize(Surface
->dhpdev
, Rect
);
42 SynchonizeDriver(FLONG Flags
)
47 if (Flags
& GCAPS2_SYNCFLUSH
)
48 Flags
= DSS_FLUSH_EVENT
;
49 if (Flags
& GCAPS2_SYNCTIMER
)
50 Flags
= DSS_TIMER_EVENT
;
52 //Device = IntEnumHDev();
55 SurfObj
= 0;// EngLockSurface( Device->pSurface );
57 DoDeviceSync( SurfObj
, NULL
, Flags
);
58 EngUnlockSurface(SurfObj
);
67 GdiFlushUserBatch(PDC dc
, PGDIBATCHHDR pHdr
)
70 ULONG Cmd
= 0, Size
= 0;
71 PDC_ATTR pdcattr
= NULL
;
75 pdcattr
= dc
->pdcattr
;
81 Size
= pHdr
->Size
; // Return the full size of the structure.
83 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER
)
91 DPRINT1("WARNING! GdiBatch Fault!\n");
95 // FYI! The thread is approaching the end of sunset.
98 case GdiBCPatBlt
: // Highest pri first!
100 case GdiBCPolyPatBlt
:
104 case GdiBCExtTextOut
:
106 case GdiBCSetBrushOrg
:
108 PGDIBSSETBRHORG pgSBO
;
110 pgSBO
= (PGDIBSSETBRHORG
) pHdr
;
111 pdcattr
->ptlBrushOrigin
= pgSBO
->ptlBrushOrigin
;
112 DC_vSetBrushOrigin(dc
, pgSBO
->ptlBrushOrigin
.x
, pgSBO
->ptlBrushOrigin
.y
);
115 case GdiBCExtSelClipRgn
:
120 PTEXTOBJ pNewFnt
= NULL
;
123 pgO
= (PGDIBSOBJECT
) pHdr
;
125 if (NT_SUCCESS(TextIntRealizeFont((HFONT
)pgO
->hgdiobj
,NULL
)))
127 /* LFONTOBJ use share and locking. */
128 pNewFnt
= TEXTOBJ_LockText(pgO
->hgdiobj
);
130 dc
->dclevel
.plfnt
= pNewFnt
;
131 dc
->hlfntCur
= pgO
->hgdiobj
;
132 pdcattr
->hlfntNew
= pgO
->hgdiobj
;
133 pdcattr
->ulDirty_
|= DIRTY_CHARSET
;
134 pdcattr
->ulDirty_
&= ~SLOW_WIDTHS
;
136 if (pNewFnt
) TEXTOBJ_UnlockText(pNewFnt
);
140 DPRINT("Delete Region Object!\n");
143 PGDIBSOBJECT pgO
= (PGDIBSOBJECT
) pHdr
;
144 GreDeleteObject( pgO
->hgdiobj
);
157 * Flushes the calling thread's current batch.
163 SynchonizeDriver(GCAPS2_SYNCFLUSH
);
167 * NtGdiFlushUserBatch
169 * Callback for thread batch flush routine.
171 * Think small & fast!
175 NtGdiFlushUserBatch(VOID
)
177 PTEB pTeb
= NtCurrentTeb();
178 ULONG GdiBatchCount
= pTeb
->GdiBatchCount
;
180 if( (GdiBatchCount
> 0) && (GdiBatchCount
<= (GDIBATCHBUFSIZE
/4)))
182 HDC hDC
= (HDC
) pTeb
->GdiTebBatch
.HDC
;
184 /* If hDC is zero and the buffer fills up with delete objects we need
187 if (hDC
|| GdiBatchCount
)
189 PCHAR pHdr
= (PCHAR
)&pTeb
->GdiTebBatch
.Buffer
[0];
192 if (GDI_HANDLE_GET_TYPE(hDC
) == GDILoObjType_LO_DC_TYPE
&& GreIsHandleValid(hDC
))
194 pDC
= DC_LockDc(hDC
);
197 // No need to init anything, just go!
198 for (; GdiBatchCount
> 0; GdiBatchCount
--)
201 // Process Gdi Batch!
202 Size
= GdiFlushUserBatch(pDC
, (PGDIBATCHHDR
) pHdr
);
212 // Exit and clear out for the next round.
213 pTeb
->GdiTebBatch
.Offset
= 0;
214 pTeb
->GdiBatchCount
= 0;
215 pTeb
->GdiTebBatch
.HDC
= 0;
219 // FIXME: On Windows XP the function returns &pTeb->RealClientId, maybe VOID?
220 return STATUS_SUCCESS
;