@lionstorm

Quote:

is there a benefit for existing W3D hyperion games ?

No I don’t think so; the new features are needed for new ports of newer games, programs and demos.

Anyway MiniGL is a upper layer to W3D, and there for does not effect W3D stuff, how ever if you where taking about MiniGL Hyperion games, then that might be different, I don’t know if the improvements will be automatically used or if the game will need to be rewritten to take use of the new feature, well I don’t really know what does.

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@lionstorm
Quote:

is there a benefit for existing W3D hyperion games ?

No. Warp3D programs don't use MiniGL. Also, old MiniGL programs (i.e., and 68k ones) don't use the minigl.library, but have MiniGL statically linked; these won't use the new version either (plus they won't use display-lists anyway). This update really is for new programs.

Hans

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@All

http://www.lighthouse3d.com/opengl/displaylists

Sound like it does simplify the application writing.

Last edited by NutsAboutAmiga on 14-Nov-2007 at 06:46 PM.

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@All

For all the demos to work, you have to copy the "data" drawer into the "Demo" drawer.

Anyway, when I do a "Version MiniGL.library FULL", I get "minigl.library 1.5 (19/12/2006)" but when I use GLInfo, it says :
GL_RENDERER: MiniGL/Warp3D
GL_VENDOR: The MiniGL Team
GL_VERSION: 1.3

Normal?

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@K-L

Thanks for the note about the data directory. I put it in the wrong location.

Yes, the minigl.library is version 1.5, and GL_VERSION is 1.3. These are two different version numbers. Version 1.5 of MiniGL supports (a subset of) version 1.3 of the OpenGL API.

Hans

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With this update quake3 become unusable slow. :( As far as I see, it's because the lib is full with debug messages which are spamming my serial port.

@Chip

Unfortunately I don't have Quake III, and IIRC, I can't run the demo version on OS4 either. I'll have a look for dprintf statements in the source-code. Could you capture some of the debug output and send it to me?

Hans

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"special fill"
"cgl_GLDrawBuffer was called but is not implemented yet"
These are the most common ones. "speciall fill" is floooding like h3ll. :D

@Chip

Oops. I forgot to disable debug output.
I'll try to have a new version with debug output disabled uploaded this evening. I have some changes provided by Steen Lund (a.k.a. shadow) that I want to add as well.

Hans

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@Hans

Just go ahead! Keep up the good work! Thanks ! :)

this is what we searching, a good subset of GL functions for easy porting of 3D software, good work !!! And Thanks a lot

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HI Hans, can you check the miniGL screenblankers and this demo please ?

Here both dont work, while they did with the previous versions, can be the programs themselves also though...

http://www.os4depot.net/index.php?function=showfile&file=demo/scene/nls-stars.lha

@SimplePPC

I had already tested it with the nls-stars demo and it works fine. The OpenGL blankers also work fine on my machine.

Can you please be more specific as to what's happening. Does it open a window? Does the GrimReaper come up? Do the supplied demos work? Also, what system are you running this on? What graphics-card do you have?

I did find one bug that would cause ScreenBlankerPrefs to lockup ofter previewing an OpenGL based blanker.

I've uploaded a new version which fixes the bugs found so far and adds some changes Steen Lund provided. Please download the new version.

It would be helpful if a moderator could update the news article with the actual file location, and the fact that a bugfix is available.

Hans

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Quote:

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.

I once had added a render-to-texture feature to Warp3D, but it was only implemented in the Radeon driver not in the Voodoo and was scrapped because of timing issues. If you look in the Demos drawer, you will still see the "glow" sample that made use of the feature by rendering a "Tron 2.0"-like glowing Warp3D logo. The effect was quite nice, but like I said we didn't have time to implement it in all drivers so we scrapped it.

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Quote:

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

That sentence is getting old really.

Note that Heretic II, Quake 2, Quake 3, and Freespace 2 have all been built on top of MiniGL already, just because some features (i.e. display lists) where missing doesn't mean it was unusable.

(edit) Forgot to mention Shogo

Last edited by Rogue on 15-Nov-2007 at 10:45 AM.

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Quote:

is there a benefit for existing W3D hyperion games ?

Considering that most of our games come from the times where minigl was statically linked, no.

Quote:

I was not able to use HW rendering with Q2 using a radeon 7500, only SW rendering was working.

A bit more specific? If you are referring to the AmigaOS 4 version of Quake 2, that only comes with software rendering, and trying to use the hardware renderer of the WarpUp version will probably fail miserably.

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With new minigl Quake 3 freeze very often in the menu and it is slower. Furthermore I have only 25 fps with my Radeon 9000 (timdemo 1, demo four). With old minigl I have 28 fps.

@Rogue
Can we expect AmigaOS 4 ports of your games after the release of os4 classic?

Last edited by AmigaPapst on 15-Nov-2007 at 11:46 AM.
Last edited by AmigaPapst on 15-Nov-2007 at 11:39 AM.

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@AmigaPapst: Please check the serial debug if any unwanted debug message floods your output. That can slow down the process pretty much.

@AmigaPapst

Which version of MiniGL did you download? I uploaded a new version (1.5.1) yesterday evening. Please download the new one and try again.

@Chip

Could you try Quake III with the new version and tell me if it's fixed the problem?

Hans

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@Rogue
I saw that render-to-texture was included at some point. However, I understand why it was scrapped. Right now, I'd rather that you work on the new graphics system and a full MESA port than patch up Warp3D. The sooner that gets done, the better.

Also, you listed Freespace 2 above. Is there an OS4 port of this? If so, where can I find it. I'd be interested in trying it out.

Hans

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