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Offline ChaosLord

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Re: AEROS for Pi - beta available on SD-card
« on: June 18, 2013, 02:18:55 AM »
Dear AROS Expert:

I am a gamecoder and I have some questions about 32bits per pixel gfx modes of 1280x1024 or higher resolution on Raspberry Pi.

Is it possible for me to perform Hardware Assisted AlphaBlitting when using AROS?

Or must I do all alphablending using the CPU?

I can do it with the CPU and all that... its just that gfx chips are alleged to blit faster than CPUs.  For that to be true they would have to support AlphaBlitting.

AmigaOS3.x does not have any sort of built-in support for AlphaBlitting.  AFAICT I am required to do all alphablitting with the mighty 68060 CPU.

AmigaOS4.x has built-in AlphaBlitting in the OS with functions that look like normal AmigaOS style blitting functions.

I assume MorphOS has AlphaBlitting but I didn't check.
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Offline ChaosLord

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Re: AEROS for Pi - beta available on SD-card
« Reply #1 on: June 18, 2013, 03:26:16 AM »
Quote from: bbond007;738188
as long as the OpenMax libraries are installed you should be able to open an 32bit RGBA OpenGL ES or OpenVG in full screen(or window) that exists on an independent plane than the X11 window manager which in this case is Aros.


A lot of what you are saying is sailing way over my head. :crazy:

I am a lowly asm coder who needs things explained simply.  I haven't used Unix in a zillion years and was never any sort of unix expert.

I guess what you are saying is "AROS has no built-in AlphaBlitting functions but you can get around that limitation by using an OpenMax library" ?

Is OpenMax.library an AmigaOS style shared library?

Why isn't OpenMax library included with AROS?

I can't have a successful game if I have a giant instruction manual that says NO you CANNOT play my game until you go to 10 different places and download and install 10 different libraries, etc. etc. yada yada yada...  No gamer will bother with that.
Wanna try a wonderfull strategy game with lots of handdrawn anims,
Magic Spells and Monsters, Incredible playability and lastability,
English speech, etc. Total Chaos AGA