This article is within the scope of WikiProject Computing, a collaborative effort to improve the coverage of computers, computing, and information technology on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.ComputingWikipedia:WikiProject ComputingTemplate:WikiProject ComputingComputing
This article is within the scope of WikiProject Computer science, a collaborative effort to improve the coverage of Computer science related articles on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Computer scienceWikipedia:WikiProject Computer scienceTemplate:WikiProject Computer scienceComputer science
This article is within the scope of WikiProject Computer graphics, a collaborative effort to improve the coverage of computer graphics on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Computer graphicsWikipedia:WikiProject Computer graphicsTemplate:WikiProject Computer graphicscomputer graphics
Is this algorithm patented? faragon 22:57, 2005 Jan 25 (UTC+1)
It technically should be. BC5 is just a variation of DXT5 (it uses two single-channel compression blocks), which is already under patent by S3. That being said, OpenGL incorporated RGTC into core in 3.0, yet they can't incorporate BC's 1-3 into core due to S3's patent. So... it's not clear. It may be that S3's patent only covers the tradition block compression 3-channel form, which would mean that anything that uses the BC1 compression would be covered. But if the single-channel additions in BC2 and 3 were not patented, then that could explain why OpenGL can incorporate them. In which case, BC5 would not be patented. Or at least, not by S3. Korval (talk) 18:18, 24 December 2014 (UTC)[reply]
natively achieved
The article states: 'Compression is natively achieved by finding the lowest and highest values of the 16 pixels to be compressed and storing each of those as an 8-bit quantity. '. This is odd to me -- would 'naively' not fit better? Holzklöppel (talk) 14:49, 16 May 2022 (UTC)[reply]
