I see in intuition/screens.h Screen Tag SA_StopBlanker which allows to disable screen blanker on my screen. However screen disappears if user set in System Preferences turning off monitor after a time. Does someone know if I am able to disable turning off monitor on screen of my application (demoscene production)? If the demo is in window mode I don't want disable this function. However on fullscreen it could be good idea (I think so).

Today, when system is able to disable monitor, screen blankers are a bit useless. :)

As last resort, fake some activity.


Insert a keystroke as early as possible into the input stream.

SA_StopBlanker should disable DPMS too. If it does not, it's a bug. I'll have a look...

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It is a solution. If I decided disable blanker in fullscreenmode I will probably use this solution. Thank you for the idea.

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It would be great. If it is a bug, I just set it and it will work in future versions of MorphOS. It is not very important feature of demoscene productions. :)

Generally I don't like if an application disables my system settings. :) However in case of a video-players or demos it could be acceptable.

BTW.
I've removed SDL from my code and now I am creating base of engine in native MorphOS API. I have already implemented almost everything except sound (I am still thinking if I should use OpenAL or native AHI API). My demos are simple but they ane full system-friendly and will be the first demos for Amiga-like systems which can be switched between fullscreen and window (scallable) modes during playing demo. :)

I am very grateful to MOS Team for great SDK, Flow Development Stuio, examples, documentation, comments in includes. I wouldn't achieved it without your work. Thank you!

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As far as I remember, this tag was originally added to let applications such as mplayer disable the screen blanker when playing in fullscreen mode. And re-enable it when in pause. That's the spirit.
That applies to fullscreen games and demos too.