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authorDavid Boddie <dboddie@trolltech.com>2010-08-17 14:00:47 (GMT)
committerDavid Boddie <dboddie@trolltech.com>2010-08-17 14:00:47 (GMT)
commit36b2b7afa9e27b7a5eb6d31e4ac5c0ae9ff9a9ce (patch)
treef65778c976c7ac5f1fa6fb81e8e33982f1fd2e82 /doc/src/platforms/emb-directfb-EmbLinux.qdoc
parent86c3fed122b8a6e47904d958f8c50fa19e668434 (diff)
parentff6f17c92ad1bfa898bc89a5ccb65361d443c591 (diff)
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Merge branch '4.7' into qmldocs
Diffstat (limited to 'doc/src/platforms/emb-directfb-EmbLinux.qdoc')
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diff --git a/doc/src/platforms/emb-directfb-EmbLinux.qdoc b/doc/src/platforms/emb-directfb-EmbLinux.qdoc
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--- a/doc/src/platforms/emb-directfb-EmbLinux.qdoc
+++ b/doc/src/platforms/emb-directfb-EmbLinux.qdoc
@@ -153,6 +153,17 @@ manufacturer to manufacture, different operations will be optimized. This
require you to define the operations you want to warn about or disable.
These are listed above in the DIRECTFB_DRAWINGOPERATIONS variable.
+You can also customize this with environment variables.
+
+E.g. If you want to disable fallbacks for drawPixmap and fillRect and also get
+a warning printed on stderr when a fallback would have happened.
+
+\code
+$ export QT_DIRECTFB_WARN_ON_RASTERFALLBACKS="FILL_RECT|DRAW_PIXMAP"
+$ export QT_DIRECTFB_DISABLE_RASTERFALLBACKS="FILL_RECT|DRAW_PIXMAP"
+$ ./app -qws -display directfb
+\endcode
+
Following is a table showing which options you have.
\table