Shaders work fine on desktop+android+playbook, but not on iOS

hi, i'm attempting apply shaders images app. works great on desktop, on android devices, , on blackberry playbook. on ipad, not work @ all.

 

sample:

[embed(source="filter.pbj", mimetype="application/octet-stream")]

private var filterkernel:class;

 

 

 

private var shader1:shader = new shader( new filterkernel);

private var sfilter1:shaderfilter = new shaderfilter( shader1 );

image1.filters = [ sfilter1 ];

 

at first, thought maybe ios had problem embedding filter.pbj, tried built-in filter (colormatrix). didn't work, either. no effect on image @ all.

 

so thought maybe problem applying these filters @ run-time, set embedded (custom) filter mxml - didn't work.

 

however: tried same method colormatrix (built-in filter), , applied image @ start-up! if took away filter , tried re-apply @ runtime, nothing @ all.

 

my question this: has else had type of problem shaders or shaderfilters flex on ios before?

 

the fact built-in filters don't cooperate @ runtime either leads me believe isn't embed problem or pbj-related issue, btw.

 

other things have tried:

redrawing image once the filter has been applied

creating new project , trying out filter (in case settings got messed up)

any on appreciated.

 

message edited by: exodark

so no 1 has ever tried using shaders in ios?

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