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Software News   Software News : Compositing demos
   posted by Hyperionmp on 7-Sep-2008 16:29:20 (7466 reads)
Rogue has uploaded two small demo programs to os4depot.net that show off some of the possibilities of the compositing engine of AmigaOS 4.1. Don't expect any miracles, though, they're very simple and just there to show that compositing goes beyond rounded corners.

AmigaOS 4.1 required!


http://os4depot.net/?function=showfile&file=demo/misc/compositing_goodies.lha
    

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SOFISTISOFTWARE 
Re: Compositing demos
Posted on 7-Sep-2008 17:40:38
#1 ]
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Joined: 25-Dec-2003
Posts: 457
From: Latina, Italy

very cool !


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Darth_X 
Re: Compositing demos
Posted on 7-Sep-2008 17:57:42
#2 ]
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Joined: 1-Jun-2003
Posts: 2997
From: Vancouver Island, Canada

So now all the thousands of OS4 developers are downloding it..


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Raffaele 
Re: Compositing demos
Posted on 7-Sep-2008 18:46:29
#3 ]
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Joined: 7-Dec-2005
Posts: 1853
From: Naples, Italy

I do not use AmigaONE and AmigaOS.

Can you describe us, please, what kind of graphic effects or goodies are doing these demos and the importance of it?

Last edited by Raffaele on 07-Sep-2008 at 06:47 PM.


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Hans 
Re: Compositing demos
Posted on 7-Sep-2008 18:59:37
#4 ]
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Joined: 27-Dec-2003
Posts: 4912
From: New Zealand

Screenshots! I want screenshots!

Hans

EDIT: Actually, I want my copy of OS 4.1. But I'll have to be patient.

Last edited by Hans on 07-Sep-2008 at 07:00 PM.


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RWO 
Re: Compositing demos
Posted on 7-Sep-2008 19:03:10
#5 ]
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Joined: 8-Mar-2003
Posts: 457
From: Denmark

@Raffele

There are two small utils.. one called ScreenThumb and one called Lens

The ScreenThumb opens a small window 100x100 (I think) and takes the workbench screen and draw it in the window, ofcoarse scalled down. The cool thing is it updated in real time.. meaning that any change on the wb will show in the window at once.

The Lens zooms the hole screen when you press the Right mouse button, it zoom at the position of the mouse pointer, its also done in real times, so screen updates gets zoomed at once.. this is really cool to play around with.

RWO


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Leo 
Re: Compositing demos
Posted on 7-Sep-2008 19:36:06
#6 ]
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Joined: 21-Aug-2003
Posts: 1596
From: Unknown

Quote:

So now all the thousands of OS4 developers are downloding it..

Quite useless for the developers as there is no source-code provided: only binaries...


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AmigaBlitter 
Re: Compositing demos
Posted on 7-Sep-2008 19:44:25
#7 ]
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Joined: 26-Sep-2005
Posts: 3403
From: Unknown

Any Screenshot?



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Rob 
Re: Compositing demos
Posted on 7-Sep-2008 20:18:24
#8 ]
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Joined: 20-Mar-2003
Posts: 5819
From: S.Wales

@AmigaBlitter

The zoom function can be seen on youtube.

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SOFISTISOFTWARE 
Re: Compositing demos
Posted on 7-Sep-2008 20:21:53
#9 ]
Regular Member
Joined: 25-Dec-2003
Posts: 457
From: Latina, Italy

We would like to see a video specially for zoom function, i tried to make a screenshot but you can't see nothing


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Kotler 
Re: Compositing demos
Posted on 7-Sep-2008 20:37:29
#10 ]
Regular Member
Joined: 27-May-2005
Posts: 251
From: Sweden

Have a look on YouTube for
these two:

AmigaOS 4.1 Composition Engine Part 1

AmigaOS 4.1 Composition Engine Part 2

It's a movie of these effects.

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AmigaBlitter 
Re: Compositing demos
Posted on 7-Sep-2008 21:06:48
#11 ]
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Joined: 26-Sep-2005
Posts: 3403
From: Unknown

Thank you very much.

There are screenshot of this two small demo also?

Last edited by AmigaBlitter on 07-Sep-2008 at 09:20 PM.


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ChrisH 
Re: Compositing demos
Posted on 7-Sep-2008 21:28:13
#12 ]
Elite Member
Joined: 30-Jan-2005
Posts: 6673
From: Unknown

AmigaOS 4.1 Composition Engine Part 1 (scaled WB screen in window)
AmigaOS 4.1 Composition Engine Part 2 (zoom)

Last edited by ChrisH on 07-Sep-2008 at 09:30 PM.


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AmigaBlitter 
Re: Compositing demos
Posted on 7-Sep-2008 21:38:09
#13 ]
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Joined: 26-Sep-2005
Posts: 3403
From: Unknown

This video are not related to the demo posted by Rogue.


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gregthecanuck 
Re: Compositing demos
Posted on 7-Sep-2008 21:52:11
#14 ]
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Joined: 30-Dec-2003
Posts: 844
From: Vancouver, Canada

Is there any way with OS 4.1 to start doing real-time screen captures? For example, to create a demo video of the compositing engine without having to resort to a video camera?

The videos on youtube are good, but the quality is horrible.

If someone is keen I am willing to sponsor a project.

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Rudei 
Re: Compositing demos
Posted on 7-Sep-2008 22:23:25
#15 ]
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Joined: 20-Nov-2002
Posts: 3577
From: Dallas, Texas

Yes I've heard a couple of people asking for this, it's a good idea.

Rude!


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Rogue 
Re: Compositing demos
Posted on 7-Sep-2008 22:46:01
#16 ]
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Joined: 14-Jul-2003
Posts: 3999
From: Unknown

Quote:
This video are not related to the demo posted by Rogue.


Yes it is. It shows exactly what these demos do.


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Rogue 
Re: Compositing demos
Posted on 7-Sep-2008 22:49:05
#17 ]
OS4 Core Developer
Joined: 14-Jul-2003
Posts: 3999
From: Unknown

Quote:
Is there any way with OS 4.1 to start doing real-time screen captures? For example, to create a demo video of the compositing engine without having to resort to a video camera?


There is nothing different in 4.1 in this respect. The compositing engine works on the graphics card only, you cannot use it to access main memory.

One of the features we're planning for and update is support for PCI GART on Radeons. That allows you to map part of the system memory into the Radeon's address space using DMA. That feature might make capturing video feasible. It is also needed to get decent OpenGL performance.

EDIT: What you could do with the compositing engine is make a scaled copy of the screen (say, scale 1280x1024 to 640x480) so that the bandwidth requirement to transfer the frame aren't that big anymore, but that is the limit really.

Last edited by Rogue on 07-Sep-2008 at 10:50 PM.


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spotUP 
Re: Compositing demos
Posted on 8-Sep-2008 0:25:41
#18 ]
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Joined: 19-Aug-2003
Posts: 2896
From: Up Rough Demo Squad

Quote:
One of the features we're planning for and update is support for PCI GART on Radeons. That allows you to map part of the system memory into the Radeon's address space using DMA. That feature might make capturing video feasible. It is also needed to get decent OpenGL performance.


shall we say, two weeks? ;)


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SOFISTISOFTWARE 
Re: Compositing demos
Posted on 8-Sep-2008 0:49:24
#19 ]
Regular Member
Joined: 25-Dec-2003
Posts: 457
From: Latina, Italy

there is a small video that i realized with my phone at:

http://digilander.libero.it/flq/immagini/AOS4.1feature.mp4

you can watch it with MPlayer


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Darth_X 
Re: Compositing demos
Posted on 8-Sep-2008 6:52:05
#20 ]
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Joined: 1-Jun-2003
Posts: 2997
From: Vancouver Island, Canada

Your phone is more powerful than an Amiga!


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