diff options
| -rw-r--r-- | sys/src/9/port/swcursor.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/src/9/port/swcursor.c b/sys/src/9/port/swcursor.c index 55ea014d0..75b658460 100644 --- a/sys/src/9/port/swcursor.c +++ b/sys/src/9/port/swcursor.c @@ -42,7 +42,6 @@ swcursorhide(void) return; swvisible = 0; memimagedraw(gscreen, swrect, swback, ZP, memopaque, ZP, S); - flushmemscreen(swrect); } void @@ -57,16 +56,20 @@ swcursoravoid(Rectangle r) void swcursordraw(Point p) { + Rectangle flushr; + if(swvisible) return; if(swback == nil || swimg1 == nil || swmask1 == nil || gscreen == nil) return; assert(!canqlock(&drawlock)); swvispt = addpt(swoffset, p); + flushr = swrect; swrect = rectaddpt(Rect(0,0,16,16), swvispt); + combinerect(&flushr, swrect); memimagedraw(swback, swback->r, gscreen, swvispt, memopaque, ZP, S); memimagedraw(gscreen, swrect, swimg1, ZP, swmask1, ZP, SoverD); - flushmemscreen(swrect); + flushmemscreen(flushr); swvisible = 1; } |