Fix memory overflow in debugger for select targets

[ACrazyTown]

Because openfl.System.totalMemory is an Int, after reaching ~2.14GB (32bit int limit) the memory usage will overflow and no longer display accurate values:

On Hashlink and the C++ targets we can get a more precise 64bit memory usage value, which allows us to display way higher values (and this isn't even close to the limit):

Unrelated: I wonder if it'd be worth it to use FlxStringUtil.formatBytes() here

[ACrazyTown]

should flash.system.System.privateMemory be used instead on Flash? I'm doing a test where I clone a bunch of bitmaps to get the memory usage up, totalMemory keeps hovering around 150mb but privateMemory seems to provide an an accurate number, the same one like in task manager

[Geokureli]

should flash.system.System.privateMemory be used instead on Flash? I'm doing a test where I clone a bunch of bitmaps to get the memory usage up, totalMemory keeps hovering around 150mb but privateMemory seems to provide an an accurate number, the same one like in task manager

https://airsdk.dev/reference/actionscript/3.0/flash/system/System.html

privateMemory : Number
The entire amount of memory (in bytes) used by an application.

totalMemory : uint
The amount of memory (in bytes) currently in use that has been directly allocated by Flash Player or AIR.

At a glance, totalMemory seems like the right choice, as in it seems like the true memory usage allocated to run the program.

though privateMemory is a number

[ACrazyTown]

At a glance, totalMemory seems like the right choice, as in it seems like the true memory usage allocated to run the program.

What confused me is that in my tests where I just clone a bitmap a bunch of times, totalMemory reports something around 150mb that never seems to grow at all:

While in task manager I had ~5gb of usage:

Maybe I just don't understand what "directly allocated by Flash Player or AIR" means

though privateMemory is a number

There's also totalMemoryNumber, haxe api says it requires flash 10.1, I assume this is compatible with Flixel?

Now that I think about it maybe I should just PR these changes to OpenFL and add totalMemoryNumber there?

[Geokureli]

Now that I think about it maybe I should just PR these changes to OpenFL and add totalMemoryNumber there?

Not a bad idea

[ACrazyTown]

My PR in OpenFL was merged, I'll make a new one here once I figure out the conditionals

[Geokureli]

Please link the OpenFL issue heere as well as in the new PR, thanks!

[ACrazyTown]

Please link the OpenFL issue heere as well as in the new PR, thanks!

openfl/openfl#2744