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Help Stefan out with SEH. It seems to run faster. I guess.

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svn path=/trunk/; revision=32767
This commit is contained in:
James Tabor 2008-03-26 17:49:18 +00:00
parent 5fb0c2e1f1
commit 3523e8a76d
1 changed files with 15 additions and 1 deletions
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16
reactos/subsystems/win32/win32k/objects/dcutil.c
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@ -112,10 +112,24 @@ static
VOID
CopytoUserDcAttr(PDC dc, PDC_ATTR Dc_Attr)
{
NTSTATUS Status = STATUS_SUCCESS;
XForm2MatrixS( &dc->Dc_Attr.mxWorldToDevice, &dc->w.xformWorld2Vport);
XForm2MatrixS( &dc->Dc_Attr.mxDevicetoWorld, &dc->w.xformVport2World);
XForm2MatrixS( &dc->Dc_Attr.mxWorldToPage, &dc->w.xformWorld2Wnd);
MmCopyToCaller(Dc_Attr, &dc->Dc_Attr, sizeof(DC_ATTR));
_SEH_TRY
{
ProbeForWrite( Dc_Attr,
sizeof(DC_ATTR),
1);
RtlCopyMemory( Dc_Attr,
&dc->Dc_Attr,
sizeof(DC_ATTR));
}
_SEH_HANDLE
{
Status = _SEH_GetExceptionCode();
}
_SEH_END;
}