[AD] [ alleg-Bugs-3143093 ] [A5/OSX] Screen not updated until window is moved

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Bugs item #3143093, was opened at 2010-12-23 11:09
Message generated for change (Comment added) made by jeffconnelly
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Category: Mac OSX
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Jeff Connelly (jeffconnelly)
Assigned to: Peter Hull (peterhull90)
Summary: [A5/OSX] Screen not updated until window is moved

Initial Comment:
With Allegro5.0.0rc3 (or rc2) on Mac OS X Snow Leopard 10.6.5 with a MacBook Pro, I'm seeing a problem where the screen is not updated until the window is moved or unfocused. Reproducible with the ex_draw_bitmap example. 

When the program is first loaded, a blank (solid white) 640x480 window appears. Obscuring and obscuring the window, or Cmd-Tab, Cmd-Tab, will force a redraw and the correct graphics will be displayed — except they will not be updated until the redraw is forced again (the window appears to show a static image). Dragging the window by any amount restores the correct behavior, even after dragging is stopped.


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>Comment By: Jeff Connelly (jeffconnelly)
Date: 2010-12-23 11:37

Message:
This reproduces on a MacBook Pro but not a MacBook Air.

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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=105665&aid=3143093&group_id=5665