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Firefox Direct2D bug

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Uploaded by on Sep 8, 2010

A little annoying bug with Direct2D enabled on the latest Firefox.

If you try to resize the window whilst it's drawing something using Direct2D and if the program is maxed out (in this case it maxed out one of the processor cores) then it has a tendency of becoming unresponsive and unable to access the task bar... however, if you alt+tab it suddenly becomes perfectly responsive and everything goes back to normal.

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  • what is your PC configuration?

  • It's a harware accelerated window in a non accelerated OS :p I hope windows 8 become direct2d accelerated.

    watch?v=ToFgYylqP_U

    good old gdi+ had many hardware accelerated drawing operations but that was thrown all out for windows vista and 7 composition engine.

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