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Hardware accelerated UI and AHB bus overclocking


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Guest deksman2
Posted

Of course the battery will drain faster when you are using games that are HW accelerated.

Even if HW acceleratio is turned off, battery will be drained very fast when playing games.

The UI stands for 'User Interface' (at least as far as IT goes).

To that effect, Android does NOT have hardware accelerated UI (as in 2d functions).

Most, if not ALL of that is done via the CPU.

Offloading the said tasks (2d acceleration) to the GPU though would increase responsiveness of scrolling, pinching, zooming, etc. in practically every ROM by leaps and bounds, and the cpu could be left to do other tasks (which are more suited for it).

Comparatively speaking though for laptops, using gpu's (integrated or dedicated ones) for gaming will kill battery life rather fast, BUT hardware accelerated user interface (as in 2d functions to have the transition effects and what not appear buttery smooth), no, not really... in fact, I would dare say that the battery life could be enhanced slightly due to this because the CPU would not have to work all the time and the task would be left to a dedicated piece of HW that can do the same job at the same or less amount of power at a MUCH faster rate.

Of course, simply activating HW acceleration for 2d drawing would probably not be very simple because one would have to optimize the feature so it does the task as efficiently as possible.

I'm afraid though that versions of Android up until Ice Cream Sandwich do NOT support HW accelerated 2d drawing.

In some cases, adding a line of code that 'might' have done it though effectively reduced UI performance (likely because the 2d drawing was predominantly optimized for the CPU, but the GPU bit was left in the dark, so the taxation on the system would be likely high as a result).

  • 2 weeks later...
Guest dreis911
Posted (edited)

is there a way to disable it or control it indeed?

What do you mean by "it"? the GPU?

Yes.

See http://android.modac...ost__p__1851346

But, I'm correcting that post:

I calibrated my battery twice (one by means of an APP wich I think was not good, another by ClockworkMod Recovery) and I ran some tests for a few days:

Talking about battery consumption, I concluded that there's no big difference in having the "Hardware Accelerated UI" switched on.

(2 or 2.5 days battery, but that depends on the use)

Talking about running games on your Android Mobile, there's a difference in having the "Hardware Accelerated UI" switched on.

(as I wrote before, the games run smoother, they just flow without freezes)

I hope this is my last post on this subject. <_<

Edited by dreis911
Guest unrandomsam
Posted

What do you mean by "it"? the GPU?

Yes.

See http://android.modac...ost__p__1851346

But, I'm correcting that post:

I calibrated my battery twice (one by means of an APP wich I think was not good, another by ClockworkMod Recovery) and I ran some tests for a few days:

Talking about battery consumption, I concluded that there's no big difference in having the "Hardware Accelerated UI" switched on.

(2 or 2.5 days battery, but that depends on the use)

Talking about running games on your Android Mobile, there's a difference in having the "Hardware Accelerated UI" switched on.

(as I wrote before, the games run smoother, they just flow without freezes)

I hope this is my last post on this subject. <_<

Shouldn't make any difference whatsoever to games.

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