in trying to implement the answer to stage.stage3Ds is empty when debuging on Kindle Fire HD 8.9". I tried adding both renderMode and detailAndStencil to the application xml file but get this error when trying to debug to device.
Error occurred while packaging the application:
D:\Flash\Mobile Test\bin-debug\Main-app.xml(10): error 103: application.initialWindow.depthAndStencil is an unexpected element/attribute
The initialWindow portion of application xml file is below
<initialWindow>
<content>[This value will be overwritten by Flash Builder in the output app.xml]</content>
<renderMode>direct</renderMode>
<depthAndStencil>true</depthAndStencil>
</initialWindow>
It looks like depthAndStencil option is only available with AIR 3.2 onwards.
Looking through the template file that is used to generate the app descriptor file:
[AIR SDK ROOT]\templates\air\descriptor-template.xml
The entry for depthAndStencil first appears in the template file that comes with the AIR 3.2 SDK.
Edit:
Confirmed. See release notes for 3.2 SDK: http://helpx.adobe.com/flash-player/release-note/release-notes-developer-flash-player.html