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Edited wiki page ApiDocumentation through web user interface.

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castano@gmail.com 2010-10-13 17:58:02 +00:00
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@ -368,10 +368,10 @@ The supported block compression formats are the following:
* Format_BC3n (DXT5nm)
This is a variation of BC3 that is used to represent normal maps by encoding the X and Y components as follows: R=1, G=Y, B=0, A=X, this swizzle is used to facilitate decompression using [http://code.google.com/p/nvidia-texture-tools/wiki/NormalMapCompression#Capcon%27s_DXT_trick Capcon's DXT decompression trick]
* Format_BC4
* Format_BC4 (ATI1)
This is a block compression format that only contains a single alpha block.
* Format_BC5 (LATC, RGTC)
* Format_BC5 (LATC, RGTC, 3Dc, ATI2)
This is a block compression format that contains two alpha blocks. It's typically used to compress normal maps.
The following formats are only available in NVTT 2.0: