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We only have pending redisplay callbacks when the window wants to be

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redisplayed *and* it is visible. Otherwise we won't redraw, anyway, and
immediately discover that there's still something to do, etc. etc., leading
to 100% CPU load.


git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@670 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
spanne 2005-07-06 16:11:31 +00:00
parent 56a37333b9
commit 633e3e7179
2 changed files with 6 additions and 1 deletions
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5
freeglut/freeglut/ChangeLog
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@ -1105,3 +1105,8 @@ deinitializing. The visual/context handling for menus is still rather
obscure, though...
(287) Removed redundant code.
(288) We only have pending redisplay callbacks when the window wants to be
redisplayed *and* it is visible. Otherwise we won't redraw, anyway, and
immediately discover that there's still something to do, etc. etc., leading
to 100% CPU load.

2
freeglut/freeglut/src/freeglut_main.c
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@ -413,7 +413,7 @@ static int fghHaveJoystick( void )
}
static void fghHavePendingRedisplaysCallback( SFG_Window* w, SFG_Enumerator* e)
{
if( w->State.Redisplay )
if( w->State.Redisplay && w->State.Visible )
{
e->found = GL_TRUE;
e->data = w;