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mikko.torniainen
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Hardware accelerated scaling on external display not smooth since 11.0

Apr 2, 2012 11:44 AM

Tags: #problem #scaling #flash #hardware #display #graphics #external #accelerated

Hi,

 

When running 1280x800 app in fullscreen mode with hardware accelerated scaling (fullScreenSourceRect) from a laptop on the second screen (extented desktop etc)  hardware scaling seems to fail to smooth the image on certain cases.

 

flash version
screen resolutionresult
10.3any works
11.0 - 11.21280 x 1024 or 1280x800works
11.0 - 11.2any otherfails

 

We're actually making an Air app, but it seems flash player has the problem and air 3.2 comes with flash 11.2.

 

Code for fullscreen:

 

stage.fullScreenSourceRect = new Rectangle(0,0,1280,800);

stage.displayState = StageDisplayState.FULL_SCREEN_INTERACTIVE;

 

Here's a list of display adapters we've confirmed the problem with, but it seems there's others too:

  • Intel GMA X3100
  • Mobile Intel(R) 965 Express Chipset Family
  • Mobile Intel(R) 915GM/GMS,910GML Express Chipset Family

 

Anyone have any workarounds or other advice for this?

 

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