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preserveDrawingBuffer on ipad ?

jeromebg

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Mittwoch, 15. Juni 2016, 18:56

preserveDrawingBuffer on ipad ?

Hi Klaus,
I'm building a snapshot plugin for krpano with WebGl and preserveDrawingBuffer and it works great !
I only have one issue on my iPad 2, if I take the screenshot before all the tiles are loaded then it works as expected, but if I take the snapshot when all the tiles are loaded then I only have a blackscreen instead, like if the drawing buffer was empty ?
Tested on iphone it works great too, no issue on android, for now only my iPad 2 have this problem...
Do you have a clue ?

here is the demo : https://www.360images.fr/krpano_snapshot/

thanx !!!

jeromebg

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2

Mittwoch, 27. Juli 2016, 15:08

UP :-)

klaus.krpano

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Donnerstag, 28. Juli 2016, 11:27

Maybe it's the iPad 2 itself - too few resources...
Have you tested other iPads as well?

jeromebg

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4

Donnerstag, 28. Juli 2016, 12:43

It looks it works on Ipad2 Air...
I've tried with increasing memory.maxmem with no success...
So the ipad2 would clear the drawing buffer when the tiles are loaded to free memory ?

klaus.krpano

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Donnerstag, 28. Juli 2016, 12:50

Zitat von »jeromebg«

I've tried with increasing memory.maxmem with no success...
That's a krpano settings and not related to the iPad 2 internal memory usage!

Zitat von »jeromebg«

So the ipad2 would clear the drawing buffer when the tiles are loaded to free memory ?
???
I don't know that the iPad 2 is internally doing in this case.
Maybe try reporting the problem to Apple, but I don't except any fix for an old iPad 2 from them...

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