OMF:BG Message Board

[Ithon]

well of coarse someone else can do the dirty work for ya. Although there are things that OpenGL can do that Direct3D can't. But I wonder what effects OpenGL does right now that Direct3D can't?
BTY people do HDR differently on there engines like whats coming for HL2 and what in Doom3 and unreal3, so my other question is, what are you doing with HDR that makes your engine unquie?
http://developer.nvidia.com/object/sdk_home.html (for those who don'nt know what HDR can look like, the link to the vid is there, but some other cool stuff is there as well)

What matters more in deciding on weither to use DirectX or OpenGL is about the "razzle dazzle". Like in the play Chicago.

Edit: ok now I get it, I did'nt understand, but this helped me out a lot IntroductionToGPU.pdf
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[salem]

Hmm, interesting, i'll take a red when i have time

[Discomb]

[Rob Elam]

Although I'm sure there are things that OpenGL and D3D can do that the other can't, there aren't going to be that many. Reason I like D3D more is it seems far more consistent, and better with HLSL support, which is what I think matters. OpenGL may have a few extra things it can do, but often they utilize extensions that aren’t well supported across platforms, which of course breaks the cross platform concept and ultimately makes the system good for demos but not so much for games (just my opinion, I’m sure OpenGL fanatics will have the opposite view). Anyway, like I said I see no reason to work on an OpenGL version myself, the cross platform thing is nice, but also something I’d likely never utilize so it’s not a factor. D3D is serving me quite well, so until it doesn’t I’m sticking with it.

As far as HDR, I’m doing blooms and light adaptation (so the brightness of the scene adapts to how much light you are seeing, like your eyes do). I’m also doing global illumination, so the lighting is more natural esp. for outdoor scenes than pure direct lighting. Materials also handle specular and gloss mapping, so they can look pretty natural, and materials allow the modification of automatically generated scripts, which allows excellent modification ability without the grunt work of writing pixel and vertex shaders from scratch. Overall, it’s a pretty impressive system.

[Ithon]

ftp://download.nvidia.com/developer/Movies/NV40-LowRes-Clips/HDR.avi

Honesty I think HDR is being overrated which is good because I want to see a lot of imporvment with HDR. I have okay eye sight and don't have vision like this, expect one time when I got out of the eye doctor's building having my eyes all dialated. The only time I would use HDR at this time in technology is to have a virtual acid trip experance or bling blinded by a flash-bang. Although a lite brush of the bloom effect gives offs a nice eviroment at times.

Now I just thought of something that I have'nt seem people go for directly yet. The great thing with HDR is that it can get dark, also when it's really dark at night it's hard to see. If one would combine HDR with softshadow you could have a great good night eviroment.

now that said let me tell the difference between this two engines in this topic.
Unigen focus' on the realisum mostly with physics.
Rob's thing that he has under his hood focus' on the realisum mostly with graphics.

Just tell if I got this right Rob?

can't wait to see OMF:BG with HDR.

BTY does your Bloom look like this? :p
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[Ithon]

Ok now I've seen a really good presentation of HDR and I've changed my view on this cool visual effect. The HDR for HL2 looks kind of crappy. (unless you thought of this guy first taken from Garry's mod forum not Valve )
web page here download here

yhea you would need a superfast computer to run this. Still I have a problem with the bloom with the background images, they don't seem right, like film being over-exposed.
I will give you so much gloating power if you can fix this, that I will gloat for you :thumbsup: :thumbsup:.
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[Wraiyth]

Bloom is overused in games IMO. Sometimes its used really well, but other times it just shits me so bad. Take a look at Brothers in Arms, and you'll see how to NOT use Bloom. And unless I'm mistaken, Oblivion uses bloom and it uses it VERY well
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[Discomb]

I most certainly agree on Brothers in Arms bloom. Though Call of Duty 2 seems to do a very good job.
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[Ithon]

with bloom, it's a good job when you don't notice it. It's a bad job when you do.
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[DieselUnigine]

Unigine v0.33 is released.

New release of this graphics-physics engine introduces PRT (Precomputed Radiance Transfer) lighting, bytecode compiler speedup and GUI improvements (Unicode support and so on). You can download two entirely new Unigine demos to see it's capabilities by yourself: http://unigine.com/download/
There is also a new campaign, which is aimed to help indie developers.

Read detailed announcement with screenshots - http://unigine.com/products/unigine_v0.33/

[X-BoT]

[Ithon]

very cool demo, though I didn't get to test out the PRT, it's still cool enough to see in the video.

I'm very surprized that you posted on a forum other then your own. Thanks for the update :thumbsup:
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[salem]

The sea demo is quite cool! I have a 6800 GT and it did some extrange things on the graphics (i thought you would like to know it :p).
What i don't get the point is with the robots.

[DieselUnigine]

Robots... Try to move sliders in the GUI.

[DieselUnigine]