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Frédéric C.
Inspiring
Dec 19, 2014 3:40 PM UTC
Answered

Graphic glitches with AIR 16 on Windows

Hi,

Since the release of AIR 16, I am encountering strange display glitches on Windows. The graphics get garbled, whatever the render type I choose (cpu, gpu or direct). I never had those issues before, and if I revert to AIR 15, everything works fine again.

The issue seems to be related to the fact of changing the scale of a sprite (containing a bitmap), while this bitmap has the smoothing attribute set to TRUE. If I set it to false, the glitches disappear.

Here is an example :

I tried to play with other settings, like stage quality, but without success. I even tried to update my display drivers. Only the "smoothing" attribute set to FALSE fixes it. But then of course, the result is ugly and pixellated.

Was there any change regarding bitmap rendering in AIR 16 that could explain this?

Note: On Android, the glitch doesn't occur.

Thank you!

Frédéric

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Pahup
PahupCorrect answer
Adobe Employee
Jan 21, 2015 3:40 PM UTC

Build 238 fixed the issue for me. Good job Adobe!


Thanks for the confirmation, I hope you meant 16.0.0.283 (and not 238) build which just went out as beta? The issue was fixed in 283 AIR SDK beta we recently delivered, we do plan to release the Windows runtime for non-captive applications soon.

Thanks

-Pahup

23 replies

Participant
Feb 26, 2015 10:46 AM UTC

Hi,

The bug still exists on Windows with the Adobe Air 17 beta version released the february 25.

Just rotate a bitmap where the smoothing property is set to true :

var _bitmap:Bitmap = new Bitmap(new BitmapData(300, 200, false, 0x00FF00), "auto", true);

addChild(_bitmap);

_bitmap.rotation = 25;

I compiled an air app for your tests :

BitmapGlitchTest.air

Kind regards,

Jon.

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Participating Frequently
Mar 9, 2015 6:16 AM UTC

Hi Jon,

We are able to reproduce the issue at our end. We are looking for fix.

Thanks for reporting the issue.

Thanks

Shashank

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itlancer
Inspiring
Mar 22, 2015 6:08 PM UTC

Related issue: Bug#3725530 - Big image in small Bitmap object render problem

Still exists more than year.

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Participating Frequently
Jan 6, 2015 8:44 AM UTC

Hi Frédéric,


Thank you for reporting the issue.

we are able to reproduce issue at our end. We are looking for fix.


Thanks

Shashank

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Frédéric C.
Inspiring
Jan 6, 2015 2:34 PM UTC

Awesome! Thank you!

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chris.campbell
Legend
Jan 6, 2015 8:59 PM UTC

For reference, our internal bug number is 3916063

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chris.campbell
Legend
Dec 19, 2014 6:39 PM UTC

Hi Frédéric,

Would you mind opening a bug report on this and attaching a dxdiag report from your system along with a small sample project?  I'll ask someone to take a look ASAP.

Thanks,

Chris

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Frédéric C.
Inspiring
Dec 29, 2014 12:32 PM UTC

Hi Chris,

I reported this bug, with explanations, my DxDiag and a sample project. Here is the link: https://bugbase.adobe.com/index.cfm?event=bug&id=3915192

I hope it will help.

Happy New Year!

Frédéric

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chris.campbell
Legend
Jan 5, 2015 11:21 PM UTC

Thank you, we'll take a look ASAP.

Chris

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