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Software News   Software News : MiniGL V1.5. MiniGL gets display lists.
   posted by Hans on 14-Nov-2007 1:33:08 (13884 reads)
I'm pleased to announce that I have updated MiniGL to add display lists, and made a few other improvements too. MiniGL is a 3D API which is compatible to OpenGL(tm). It implements a subset of that API and was designed for speed, therefore it directly interfaces with Warp3D. This also means that there is currently no software mode.

The file is currently in the os4depot upload queue: http://os4depot.net/download.php?file=queue/minigl.lha.

I'd appreciate it if everyone would test this version, particularly developers. Any bug-reports, feature requests, or other comments, just send them to me (tokens of appreciation also accepted, but not necesary ).

Update: a new version (V1.5.1) is available on os4depot.



Changes in this version
-----------------------
- MiniGL now supports display lists
- GL_NORMALIZE support added
- Added a watchdog timer to the smart locking mode (MGL_LOCK_SMART). Audio
should now playback smoothly when running OpenGL applications.
NOTES:
- Only works if "Interrupt=Yes" is set in the Radeon monitor tooltypes
- This has only been tested on a Radeon 9000 card
- This cannot guarantee that audio stuttering won't occur.
- Fixed a bug that would cause only the first quad in a quad-strip to render
(resulting in missing surfaces)
- Fixed flat shading of tri-strips and quad-strips

Credits:
--------

Authors:
Hans-Jörg Frieden
Thomas Frieden

Contributions:
Hans de Ruiter (version 1.5)
Christian "Surgeon" Michael
Massimiliano Tretene
Joe Sera
Frank Wille
Steffen Häuser
Kris Collingwood
    

STORYID: 4060
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PosterThread
Samwel 
Re: MiniGL V1.5. MiniGL gets display lists.
Posted on 14-Nov-2007 3:15:24
#1 ]
Elite Member
Joined: 7-Apr-2004
Posts: 3404
From: Sweden

What about fixing Radeon 8500 3D support?
It can't be impossible as Windows and MorphOS does support these cards.

Last edited by Samwel on 14-Nov-2007 at 03:15 AM.


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Hans 
Re: MiniGL V1.5. MiniGL gets display lists.
Posted on 14-Nov-2007 3:30:46
#2 ]
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Joined: 27-Dec-2003
Posts: 5088
From: New Zealand

@Samwel

Fixing Radeon 8500 3D support would require modifying the Warp3D driver for Radeon cards. I only have access to the MiniGL source-code (which is publically available). Added to that, I don't have a Radeon 8500, or the documentation. So it's pretty much impossible for me.

Hans


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whose 
Re: MiniGL V1.5. MiniGL gets display lists.
Posted on 14-Nov-2007 8:09:34
#3 ]
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Joined: 21-Jun-2005
Posts: 893
From: Germany

@Hans

I did some tests with my µA1 here, some demos work well and very smooth, good work!

Some demos have problems, I already sent you a mail with reaper log attached

Regards

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OldFart 
Re: MiniGL V1.5. MiniGL gets display lists.
Posted on 14-Nov-2007 8:25:55
#4 ]
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Posts: 3064
From: Stad; en d'r is moar ain stad en da's Stad. Makkelk zat!

Quote:
This also means that there is currently no software mode.

What does this mean? Something along the lines of: "it's here, but there is no way you can use it", or?

OldFart


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Varthall 
Re: MiniGL V1.5. MiniGL gets display lists.
Posted on 14-Nov-2007 8:41:11
#5 ]
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Joined: 17-Feb-2004
Posts: 1559
From: Up Rough

Excellent, thanks for this new version. I'll try it out with some OpenGL port.

Varthall


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shadow 
Re: MiniGL V1.5. MiniGL gets display lists.
Posted on 14-Nov-2007 8:47:37
#6 ]
Regular Member
Joined: 10-Mar-2003
Posts: 118
From: Copenhagen

Quote:
What does this mean? Something along the lines of: "it's here, but there is no way you can use it", or?


It means that MiniGL will only run on hardware that has working Warp3D drivers. MiniGL will not fallback to a software render.

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ikir 
Re: MiniGL V1.5. MiniGL gets display lists.
Posted on 14-Nov-2007 8:58:39
#7 ]
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Joined: 18-Dec-2002
Posts: 5647
From: Italy

@OldFart

Nope, it doens't support software render but only hardware accelerated one.



@Hans

Congratulation


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MichaelMerkel 
Re: MiniGL V1.5. MiniGL gets display lists.
Posted on 14-Nov-2007 9:01:56
#8 ]
Cult Member
Joined: 9-Mar-2003
Posts: 819
From: Ilvesheim, Germany

Quote:
Some demos have problems,


can one give me a link to some demos or other stuff which uses minigl?

thanks and
byebye...


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AmigaPapst 
Re: MiniGL V1.5. MiniGL gets display lists.
Posted on 14-Nov-2007 9:13:04
#9 ]
Cult Member
Joined: 2-Nov-2003
Posts: 637
From: Amigavatikan

@MichaelMerkel
You find demos in the archive of minigl 1.5.

Last edited by AmigaPapst on 14-Nov-2007 at 09:13 AM.


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Rogue 
Re: MiniGL V1.5. MiniGL gets display lists.
Posted on 14-Nov-2007 9:15:10
#10 ]
OS4 Core Developer
Joined: 14-Jul-2003
Posts: 3999
From: Unknown

Quote:
What about fixing Radeon 8500 3D support?


That's in Warp3D not MiniGL, as Hans already pointed out.

For some reason, the same code that works on all other R2xx-based cards does not work on the 8500, I don't know why and and so far didn't get the time to really look at it.

P.S. Good work, Hans

Last edited by Rogue on 14-Nov-2007 at 09:16 AM.


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COBRA 
Re: MiniGL V1.5. MiniGL gets display lists.
Posted on 14-Nov-2007 9:52:50
#11 ]
Super Member
Joined: 26-Apr-2004
Posts: 1809
From: Auckland, New Zealand

@Hans

Excellent work!

Does this mean that now MiniGL has everything needed for things like Blender, or is something missing still?

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MichaelMerkel 
Re: MiniGL V1.5. MiniGL gets display lists.
Posted on 14-Nov-2007 10:00:15
#12 ]
Cult Member
Joined: 9-Mar-2003
Posts: 819
From: Ilvesheim, Germany

Quote:
You find demos in the archive of minigl 1.5.


just found it after downloading the archive...

byebye...


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Menthos 
Re: MiniGL V1.5. MiniGL gets display lists.
Posted on 14-Nov-2007 13:25:09
#13 ]
Regular Member
Joined: 12-Mar-2003
Posts: 261
From: Bureå / Sweden

Quote:
can one give me a link to some demos or other stuff which uses minigl?


Hehe, just uploaded a few days ago: Stars of Nukleus

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Rogue 
Re: MiniGL V1.5. MiniGL gets display lists.
Posted on 14-Nov-2007 14:16:04
#14 ]
OS4 Core Developer
Joined: 14-Jul-2003
Posts: 3999
From: Unknown

@COBRA

I can't remember exactly, but Blender needed either feedback or selection mode. I think it was feedback, but it might also be that it was just the game engine.

Blender also needs evaluators (glMap*), which should be fairly easy to add though.


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Richi 
Re: MiniGL V1.5. MiniGL gets display lists.
Posted on 14-Nov-2007 16:10:16
#15 ]
Regular Member
Joined: 25-Dec-2004
Posts: 158
From: Unknown

I could be wrong but i'm pretty sure i saw a screenshot of Blender for OS4.
Was it before the july update?

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salass00 
Re: MiniGL V1.5. MiniGL gets display lists.
Posted on 14-Nov-2007 16:14:52
#16 ]
Elite Member
Joined: 31-Oct-2003
Posts: 2707
From: Finland

@Richi

http://www.amigans.net/modules/myalbum/photo.php?lid=117
http://www.amigans.net/modules/myalbum/photo.php?lid=116

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Hans 
Re: MiniGL V1.5. MiniGL gets display lists.
Posted on 14-Nov-2007 16:22:34
#17 ]
Elite Member
Joined: 27-Dec-2003
Posts: 5088
From: New Zealand

Thanks for the comments. Now all those people that were waiting for display lists to port whatever it was that needed it, please start compiling now.

If developers have specific features that they need, please tell me what they are, and I'll have a look at whether I can implement them. I'd also need example source-code so that I can test the feature. Make sure the code compiles using the public SDK (+ fake stubs for the missing OpenGL functions); no Linux code please as I suck at porting and would rather work on other things.

NOTE: I can only implement features that are possible via Warp3D, so features such as direct rendering to textures, is (AFAIK), not possible; you should render to a bitmap, and then use glTexSubImage() to copy it to a texture.

Of course, the MiniGL source-code is available, so you could also try add it yourself. You might want to wait until my changes have been added to the SVN version though.

Hans


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ssolie 
Re: MiniGL V1.5. MiniGL gets display lists.
Posted on 14-Nov-2007 16:33:26
#18 ]
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Joined: 10-Mar-2003
Posts: 2755
From: Alberta, Canada

@Hans
Great stuff!


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NutsAboutAmiga 
Re: MiniGL V1.5. MiniGL gets display lists.
Posted on 14-Nov-2007 17:03:37
#19 ]
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Joined: 9-Jun-2004
Posts: 12895
From: Norway

One more feature nailed.

Hopefully MiniGL becomes at stage where people can start porting stuff now.


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lionstorm 
Re: MiniGL V1.5. MiniGL gets display lists.
Posted on 14-Nov-2007 17:35:08
#20 ]
Super Member
Joined: 31-Jul-2003
Posts: 1590
From: the french side

is there a benefit for existing W3D hyperion games ? I was not able to use HW rendering with Q2 using a radeon 7500, only SW rendering was working.

anyway, thanks for your work :

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