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- Hack fix for gdibatch, please retest Acrobat reader 7.

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svn path=/trunk/; revision=46349
This commit is contained in:
James Tabor 2010-03-23 01:34:30 +00:00
parent 0a82f829ed
commit 440c35e960
1 changed files with 22 additions and 3 deletions
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25
reactos/subsystems/win32/win32k/objects/gdibatch.c
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@ -72,7 +72,7 @@ GdiFlushUserBatch(PDC dc, PGDIBATCHHDR pHdr)
{ {
pdcattr = dc->pdcattr; pdcattr = dc->pdcattr;
} }
// The thread is approaching the end of sunset. // FYI! The thread is approaching the end of sunset.
switch(pHdr->Cmd) switch(pHdr->Cmd)
{ {
case GdiBCPatBlt: // Highest pri first! case GdiBCPatBlt: // Highest pri first!
@ -139,6 +139,7 @@ NTSTATUS
APIENTRY APIENTRY
NtGdiFlushUserBatch(VOID) NtGdiFlushUserBatch(VOID)
{ {
BOOL Hit;
PTEB pTeb = NtCurrentTeb(); PTEB pTeb = NtCurrentTeb();
ULONG GdiBatchCount = pTeb->GdiBatchCount; ULONG GdiBatchCount = pTeb->GdiBatchCount;
@ -160,8 +161,26 @@ NtGdiFlushUserBatch(VOID)
} }
// No need to init anything, just go! // No need to init anything, just go!
for (; GdiBatchCount > 0; GdiBatchCount--) for (Hit = FALSE; GdiBatchCount > 0; GdiBatchCount--)
{ { /*
Looks like a hack,
feels like a hack,
you're right it's a hack,
due to the lack,
of kernel thread locking when it is in sunset!
*/
_SEH2_TRY
{
((PGDIBATCHHDR)pHdr)->Cmd = ((PGDIBATCHHDR)pHdr)->Cmd;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
Hit = TRUE;
}
_SEH2_END;
if (Hit) break;
// Process Gdi Batch! // Process Gdi Batch!
pHdr += GdiFlushUserBatch(pDC, (PGDIBATCHHDR) pHdr); pHdr += GdiFlushUserBatch(pDC, (PGDIBATCHHDR) pHdr);
} }