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devdraw: only one flushproc, please (OS X)

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R=rsc
http://codereview.appspot.com/799045
This commit is contained in:
Russ Cox 2010-04-02 14:53:13 -07:00
parent bbdebeff97
commit f50c3e956f
1 changed files with 5 additions and 1 deletions
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6
src/cmd/devdraw/osx-screen-carbon.m
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@ -61,6 +61,7 @@ struct {
int kalting; // last keystroke was Kalt int kalting; // last keystroke was Kalt
int touched; // last mouse event was touchCallback int touched; // last mouse event was touchCallback
int collapsed; // parked in dock int collapsed; // parked in dock
int flushing; // flushproc has started
NSMutableArray* devicelist; NSMutableArray* devicelist;
} osx; } osx;
@ -871,7 +872,10 @@ _flushmemscreen(Rectangle r)
qlock(&osx.flushlock); qlock(&osx.flushlock);
if(osx.windowctx == nil){ if(osx.windowctx == nil){
QDBeginCGContext(GetWindowPort(osx.window), &osx.windowctx); QDBeginCGContext(GetWindowPort(osx.window), &osx.windowctx);
proccreate(flushproc, nil, 256*1024); if(!osx.flushing) {
proccreate(flushproc, nil, 256*1024);
osx.flushing = 1;
}
} }
cgr.origin.x = r.min.x; cgr.origin.x = r.min.x;