"It has been said that the great scientific disciplines are examples of giants standing on the shoulders of other giants. It has also been said that the software industry is an example of midgets standing on the toes of other midgets."
- Alan Cooper
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ATi demos and drivers
Wednesday, November 13, 2002 | Permalink

Microsoft just released DX9 RC0 to public. Following this ATi finally released their demos showing off the Radeon 9700 features which requires DX9. To be able to run them ATi also released a new set of DX9 RC0 compatible drivers. These drivers also contain a new OpenGL driver with full support for GL_ARB_fragment_program, GL_ATI_draw_buffers, WGL_ATI_pixel_format_float and GL_NV_occlusion_query. Guess I'll be even more busy the coming days.

It also turns out these drivers fix a few bugs. The Laplace and Dither demos now work again. The "Shadows that don't suck" demo is still broken though.

Click the headline for the goods.


Mandelbrot demo
Monday, November 11, 2002 | Permalink

Ah, what we all have been waiting for, a mandelbrot renderer running in hardware.


This site gets record hit rates
Monday, November 11, 2002 | Permalink

Today Humus is a happy man!
The latest days this site has reached a hit rate that's quite incredible for a humble man like me running a site with a narrow content like this. We are talking about around 100 visitors/hour or around 2500 visitors/day. This may not seam much to people running sites like cnn.com, but for me it's quite a lot given my usual hit rate and my rather limited audience. Normally I'd get roughly a houndred visitors/day. When I release a new demo I may get around a thousand / day if I'm lucky, especially if I get linked to from opengl.org or other sites. So the numbers from the last days have really gone beyond my expectations.

In related news, I do of course hope that some of those who are now visiting my site will return regularly. Some people might actually (believe it or not) bookmark this page. So I think it's for the best that I inform you all that this server will move back to it's original address of http://esprit.campus.luth.se/~humus/ in the near future. So the day the current address of http://humus2.campus.luth.se/~humus/ is dead you will hopefully find it at that address. So if you have bookmarked this page, bookmark that page too.

Why is it moving back, and why was it moved in the first place? To make a long story short, the server has runned under the esprit.campus.luth.se address down at a local computer society called Ludd. We took it home for some hardware and software upgrades, which caused some downtime while waiting for some hardware to arrive. Then when we had everything set up we needed to get it back to Ludd again, but the responsible guys aren't always available to let you in to the server room. So in the meantime we put it online in our appartment sharing my internet connection through a switch. Why can't we keep it that way? Well, first of all, some times when the server is very busy my connection gets noticably slower. Also, the thing makes some noise that really isn't that great for my sleep. Further, I do want the older address back simply because there are lots of links from around the web pointing at that address.

Anyway, I thought I'd put that info up today as I hope to get it moved quite soon. Hopefully most people will notice it before the move takes place, which may happend as soon as tomorrow if we're lucky.


Another demo
Sunday, November 10, 2002 | Permalink

Shadows in fog this time.
Available for everyone with a decent graphic card, Radeon 8500/Parhelia/GF3 and up.



Phong demo updated
Saturday, November 9, 2002 | Permalink

The phong demo has been updated to support both Blinn and Phong models, plus fixed a problem with ambient. It should now also run on ATi's OpenGL driver 1.3.3410 (previously required 1.3.3413).


New phong demo
Friday, November 8, 2002 | Permalink

I've uploaded a new demo implementing a slightly simplified version of the phong illumination model.
It should run on Radeon 9500/9700, but you will need to get the latest 6200 drivers.

The framework has also been updated with some small but important design changes. This means some older demos won't compile and/or wont work with the new framework. I will update those demos once ATi fixes their rendering to texture bugs, can't be bothered to fix a demo that doesn't work anyway on current drivers.


Small updates
Wednesday, November 6, 2002 | Permalink

I have uploaded a new texture. I have also written a new tool for viewing textures and/or bumpmaps. It's available in the textures section.


Demo update
Tuesday, October 29, 2002 | Permalink

Got my Radeon 9700 yesterday. First of all I must say that this card rocks. Incredible performance and loads of cool new features. However, it took ATi a month and a half to deliver it though, which I can't say I'm too pleased with, especially when you order it as a developer. One would have thought a developer, how insignificant he might be, would be prioritized a little higher than the average gamer, but obviously not. Maybe it's because I'm European, Radeon 9700 is finally getting available here in Sweden after having been available for several months in North America, they can't possibly ship a card to Europe before every American customer has one, can they?

Anyway, I have updated the Volumetric fogging demo. It should now work on multimonitor setups. I've also fixed a bug that caused cards not exposing WGL_ARB_pixel_format, like certain Wildcat cards, to not get any alpha. Some people requested a way to turn the music off or at least adjust the volume. I haven't added a nice slider or anything like that, but at least you can now type like "set SoundVolume 50" on the console and restart it to use half the volume, it ranges 0-100.
For Radeon 9700 users, you're out of luck right now. There's a driver bug causing it to look incorrectly, but I expect the next driver release to contain a fix to this problem.


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