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Search took 0.10 seconds. Search: Posts Made By: Ethatron
Forum: 3D Technology & Algorithms 15-May-2013, 12:22
Replies: 54
Views: 1,740
Posted By Ethatron
Any idea what an error metric for a 4-channel...

Any idea what an error metric for a 4-channel merged normal + specular could be?
Forum: 3D Programming & Tools 10-May-2013, 21:00
Replies: 3
Views: 335
Posted By Ethatron
That example is row-major. It's not used in...

That example is row-major. It's not used in shading languages by default. It's performance benefit can be negated if you use a higher amount of transposes. In general you may want to count the number...
Forum: 3D Technology & Algorithms 10-May-2013, 13:13
Replies: 54
Views: 1,740
Posted By Ethatron
Yes, I give linear M-SSIM values in the results....

Yes, I give linear M-SSIM values in the results. 0.0 is undistinuishable and then it goes up.



Nothing really good for normal-maps.



My area of interest is lossless multi-resolution image...
Forum: 3D Programming & Tools 08-May-2013, 23:34
Replies: 3
Views: 335
Posted By Ethatron
Arrange it in such a way that you can do fast...

Arrange it in such a way that you can do fast dots(). Horizontal dot() is slower, at least on CPU, maybe on GPU as well because of banking conflicts.
The fastest should be like this:

result.xyzw...
Forum: 3D Technology & Algorithms 08-May-2013, 20:27
Replies: 54
Views: 1,740
Posted By Ethatron
Oh, nice. 16bit images are always very much...

Oh, nice. 16bit images are always very much welcome.

I thought on providing results for filtered images, axis-aligned exactly in the middle between pixels (+0.0,+0.5) and (+0.5,+0.0), it...
Forum: 3D Technology & Algorithms 08-May-2013, 19:53
Replies: 54
Views: 1,740
Posted By Ethatron
The main reason for us proponents of larger...

The main reason for us proponents of larger images is more that we can have more converging responses from the encoders. When the images are small then it becomes a battle of sparse information...
Forum: 3D Technology & Algorithms 08-May-2013, 19:29
Replies: 54
Views: 1,740
Posted By Ethatron
:) There is so much text missing ... It'll take a...

:) There is so much text missing ... It'll take a while to become really neat.



Here are the files I used, TGA as input and DDS as output, with the explicit diff-results:...
Forum: 3D Technology & Algorithms 08-May-2013, 13:29
Replies: 54
Views: 1,740
Posted By Ethatron
I suppose, it's Kodak marketing material after...

I suppose, it's Kodak marketing material after all. And they seem to be from long before digital cameras. But then, I wouldn't be so sure that old scanner technology holds up to our current...
Forum: 3D Technology & Algorithms 08-May-2013, 12:50
Replies: 54
Views: 1,740
Posted By Ethatron
http://en.wikipedia.org/wiki/Photo_CD#Image_format...

http://en.wikipedia.org/wiki/Photo_CD#Image_format
The images of Kodak are not raw camera photos or dia-positive scans. They have been back converted from PCD, you definitely can see the...
Forum: 3D Technology & Algorithms 07-May-2013, 21:19
Replies: 54
Views: 1,740
Posted By Ethatron
Thank you. I take closed source competitors if...

Thank you.
I take closed source competitors if he trusts me enough, ISO board members haven't complained yet. :)



Right.
Well, better than tuning your coder to the 12bit PCD crap of the Kodak...
Forum: 3D Technology & Algorithms 03-May-2013, 20:51
Replies: 54
Views: 1,740
Posted By Ethatron
Overview of compression formats: ...

Overview of compression formats:
http://squish.paradice-insight.us/index.php?id=67

ASTC vs. BPTC vs. S3TC vs. ETC1 vs. ETC2 vs. PVRTC1 vs. PVRTC2 vs. FXT1 (8bit)
Colour only data:...
Forum: 3D Technology & Algorithms 30-Apr-2013, 22:47
Replies: 54
Views: 1,740
Posted By Ethatron
AMD co-authored ASTC, it's likely they will...

AMD co-authored ASTC, it's likely they will support it. Now, how again could we get this as option into DX11? Thank you MS.
PVRTC2 and ETC2 will stay relative niche, as they are late. Both duck tape...
Forum: Console Technology 28-Apr-2013, 22:58
Replies: 26
Views: 5,964
Posted By Ethatron
Well, the established term for the technique is...

Well, the established term for the technique is ray marching, or sometimes ray casting, though I personally think that'd not be the appropriate term. That is sampling the ray at lattice intervals -...
Forum: 3D Technology & Algorithms 27-Apr-2013, 16:49
Replies: 54
Views: 1,740
Posted By Ethatron
http://www.opengl.org/registry/specs/ARB/texture_c...

http://www.opengl.org/registry/specs/ARB/texture_compression_bptc.txt
Forum: Console Games 24-Apr-2013, 23:01
Replies: 109
Views: 2,694
Posted By Ethatron
Planescape Torment? :razz: Torment!...

Planescape Torment? :razz:



Torment! :lol:
Forum: Console Games 20-Apr-2013, 15:54
Replies: 109
Views: 2,694
Posted By Ethatron
Well, you could put the achievements at the end...

Well, you could put the achievements at the end of a play-through, instead of instantanious notification. Silent Hill 2 worked that way, and it was extreme rewarding getting 10 stars.
Forum: Console Technology 14-Apr-2013, 10:45
Replies: 57
Views: 4,520
Posted By Ethatron
You could, but facial expressions are part of...

You could, but facial expressions are part of distinction as well. People move their face in all kind of ways and it makes them memorable, or sympathetic or unlikeable. Some move the mouth left down,...
Forum: Console Technology 14-Apr-2013, 01:15
Replies: 540
Views: 51,284
Posted By Ethatron
The quantum pixel, it's in the realm of...

The quantum pixel, it's in the realm of possibility it displays the most hyperreal infinite resolution game ever ... when you look elsewhere.
My pixel has QLOPS, as much as Pi has digits. :P
Forum: Console Technology 14-Apr-2013, 00:51
Replies: 1,876
Views: 189,303
Posted By Ethatron
Who would they sell the weaker chips to I wonder?...

Who would they sell the weaker chips to I wonder? :D
Forum: PC Games 12-Apr-2013, 22:28
Replies: 59
Views: 2,890
Posted By Ethatron
I read this as taking 500 benchmarks with/without...

I read this as taking 500 benchmarks with/without HT and averaging the delta. It sounds plausible.
Forum: Console Technology 11-Apr-2013, 19:03
Replies: 57
Views: 4,520
Posted By Ethatron
You mean so that games look even more alike by...

You mean so that games look even more alike by using the same assets? :P
If you want a distinctive look, you have to pay, in work-hours. Entertainment productions start to top the work-hours put...
Forum: PC Games 06-Apr-2013, 12:00
Replies: 57
Views: 6,112
Posted By Ethatron
I'll be damned. They got more backup than Project...

I'll be damned. They got more backup than Project Eternity. And I always though as a Torment-lover (phun intended) I'm in the minority.
I expect to be a bit sad, because I love the Planescape...
Forum: 3D Hardware, Software & Output Devices 02-Apr-2013, 18:31
Replies: 17
Views: 1,501
Posted By Ethatron
You can also just calculate a motion vector-field...

You can also just calculate a motion vector-field to make a "motion-amplitude graph" to overlay with the other graphs, it's in video encoders and game engines since a while, just dump the info from a...
Forum: 3D Hardware, Software & Output Devices 28-Mar-2013, 23:02
Replies: 231
Views: 30,759
Posted By Ethatron
Anyone saw the logical explanation why people...

Anyone saw the logical explanation why people claim to see at a higher "frame"-rate than the brain can burn through? (hint: how much information is visible at some of the 1-frame "intervals"?)
Forum: 3D Architectures & Chips 18-Mar-2013, 12:41
Replies: 144
Views: 7,675
Posted By Ethatron
Sorry, yes a single GPU SIMD-unit/ALU-block isn't...

Sorry, yes a single GPU SIMD-unit/ALU-block isn't partitionable, though what I wanted to express is: if you would put several GPU SIMD-units together to form a SIMD-vector as wide as a CPU...
Showing results 1 to 25 of 392
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