Re: Why do the voodoo 4 and 5 not have hardware support for T&L?

Posted on 2024-05-02, 19:38

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by hornet1990

in Marvin \ Video

in Marvin \ Video

Also bear in mind, all of Quake3's transforms and lighting are entirely software calculated (regardless of hardware - this is by design) https://www.vogons.org/viewtopic.php?p=1244747#p1244747 even GLQuake uses glTranslatef(); glRotatef(); glScalef(); and afaik those are automagically TnL powered …

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Re: Why do the voodoo 4 and 5 not have hardware support for T&L?

Posted on 2024-04-24, 03:20

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by hornet1990

in Marvin \ Video

in Marvin \ Video

I don't think it's entirely fair to say that Glide was just an attempt at gaining/maintaining a monopoly. At the release of the original Voodoo (and to a somewhat lesser degree the Voodoo II) the vendor agnostic APIs were a hot mess. Glide was a revelation in comparison and really served a …

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Re: Why do the voodoo 4 and 5 not have hardware support for T&L?

Posted on 2024-04-23, 15:17

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by hornet1990

in Marvin \ Video

in Marvin \ Video

Glide didn’t influence D3D or GL. GL existed well before glide. D3D (up to 11) and GL are higher level hardware agnostic interfaces which do a lot of grunt work for the developer (managing textures and other buffers in video memory etc) whereas glide, MeTaL, powerSGL et al. were all tied to specific …

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Re: Quake3 colorMipLevels LOD curiosity

Posted on 2024-04-17, 16:40

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by hornet1990

in Marvin \ Video

in Marvin \ Video

Voodoo4 PCI screenshot for you.

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Re: why did the voodoo 4 and 5 dont have hardware support for T&L

Posted on 2024-04-13, 08:56

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by hornet1990

in Marvin \ Video

in Marvin \ Video

There are few STG4800 around the world in the hands of the collectors. And as far as I know it is just a 200 MHZ Kyro 2, nothing more - so it runs exactly the same as regular overclocked Kyro 2. IIRC samples were sent to reviewers so I’m not surprised some of them survived - these would likely have …

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Re: why did the voodoo 4 and 5 dont have hardware support for T&L

Posted on 2024-04-13, 07:38

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by hornet1990

in Marvin \ Video

in Marvin \ Video

Never released? Could've sworn the last Kyro2 drivers had the SW T&L in there. Giants recognized a HW T&L D3D rendering device after and bumpmapping worked. However it wasn't a stable feature and some games that required it crashed instead and the drivers did have registry keys to disable it on a …

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Re: why did the voodoo 4 and 5 dont have hardware support for T&L

Posted on 2024-04-12, 10:20

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by hornet1990

in Marvin \ Video

in Marvin \ Video

3dfx did not see the change in the appearance of T&L, but to their credit it can be said that they were not the only ones. Other companies besides 3dfx were also left behind for not being able to keep up with Nvidia and Ati. The PowerVR Kyro cards could have been good contenders if they had true HW …

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Re: USB/PS/2 mouse not working on Windows 98

Posted on 2024-04-03, 15:48

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by hornet1990

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Funny enough I’m having a similar problem with a Microsoft Wheel Mouse Optical 1.1a which is usb and ps/2 and it works fine as a usb mouse, but plug it into the Microsoft branded usb to ps/2 adapter I have and get nothing - windows 2000 refuses to see it at all on reboot. Like you I was under the …

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Re: PowerVR Fun Thread

Posted on 2024-03-31, 21:15

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by hornet1990

in Marvin \ Video

in Marvin \ Video

That's probably one of the most interesting mysteries as it supposedly goes through SGL2, and that API hadn't been publicly documented or known to be supported on Kyro... (though to be fair SGL was very dead by 2001) Even the PCX1/2's MiniGL is mysterious ! We didn't handle the Kyro drivers in- …

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Re: PowerVR Fun Thread

Posted on 2024-03-31, 17:17

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by hornet1990

in Marvin \ Video

in Marvin \ Video

Fun fact, I used to work in the Graphics Products Division of STMicroelectronics who developed the Kyro chips. The plan was that the STG4k series (Kyro I & II) through to STG6k would use licensed PowerVR technology, but the STG7000 was going to be built using our own technology/IP. I was hired …

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Re: Voodoo 4 graphical glitch

Posted on 2024-03-27, 20:51

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by hornet1990

in Marvin \ Video

in Marvin \ Video

Unfortunately I don't have another monitor to test with, CRT or otherwise... something I will be looking at shortly. However I have found that the orb/pill background only appears on the shutdown screen when the desktop resolution is anything other than 4:3, so it appears with 1280x1024, but not …

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Re: Voodoo 4 graphical glitch

Posted on 2024-03-25, 21:04

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by hornet1990

in Marvin \ Video

in Marvin \ Video

Unstnced LCD, force your monitor to sync on this blue screen. Thanks rasz_pl, that is the problem. I've learned something new about my monitor too! Auto-focus was better but still off. Interestingly it requires different manual settings depending on what scaling the monitor does which I find …

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Voodoo 4 graphical glitch

Posted on 2024-03-24, 17:27

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by hornet1990

in Marvin \ Video

in Marvin \ Video

Hi I'm experimenting with a system I've been given and I've come across a visual glitch which I can't explain. It happens reliably on the Wndows 2000 shutdown screen and I get static like horizontal lines across the whole shaded area, but the actual shutdown dialog is fine (see attached - not a …

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Re: What retro activity did you get up to today?

Posted on 2024-03-15, 18:52

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by hornet1990

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I joined the site today, asked a question about a system I've been given and from the responses learned a few things and done lots of searching online. I'm now browsing ebay for a new cpu for the system... why do I feel like I'm going down a rabbit hole here that's going to end up costing me lots of …

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Re: Help with system

Posted on 2024-03-15, 18:44

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by hornet1990

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Looks more like the Chaintech 7NJL4, according to this review: https://prohardver.hu/teszt/nvidia_nforce2-es_alaplapok_tesztje/chaintech_7njl4_summit.html You can read the review using google translator. Funny enough the guy tested it with a Athlon XP 2500+ overclocked to 3200+ (changing only FSB …

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Re: Help with system

Posted on 2024-03-15, 15:56

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by hornet1990

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Your motherboard could be this one: https://theretroweb.com/motherboards/s/chaintech-ct-7njl3 Thanks asdf53, that looks like the one and the POST screen text matches the penultimate BIOS file they have. Must admit I'm not familiar with them as a brand, even back in the day... That makes sense about …

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Re: Help with system

Posted on 2024-03-15, 14:23

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by hornet1990

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I don't know anything about these mobile CPUs, so I'm just guessing - could it be that they boot up with the lowest possible multiplier (5 x 100 = 500 MHz) and then expect the motherboard to set it to their full operating speed when neccessary? That would mean you'd have to set the multiplier to …

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Re: Help with system

Posted on 2024-03-15, 14:21

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by hornet1990

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

What are you trying to achieve with this PC? it's too fast and I doesn't have ISA slots, so assume you are not targeting DOS. For Windows 98 / XP there is not much advantage of having a mobile CPU. I would just buy a cheap Athlon XP 2500+ (I see some for less than $15 on ebay), you can easily …

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Help with system

Posted on 2024-03-15, 13:44

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by hornet1990

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello! First post here, although I've been a fairly regular visitor over the years. So I've been wanting to build a retro(ish) system for some time but couldn't justify the costs. However a colleague is needing to downsize significantly and knowing him to be a bit of a squirrel I asked that if he …

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