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The advantage of using a native hardware compression format is that you save on GPU RAM, which is especially useful for web which may display on mobile systems.
by kaetemi 4y ago
The advantage of using a native hardware compression format is that you save on GPU RAM, which is especially useful for web which may display on mobile systems.
- iainmerrick 4y agoThat’s true, but it’s a trade-off rather than a straight win. Hardware formats do have a few disadvantages: 1. Larger size on disk 2. Reduced quality at all MIP levels 3. Complexity of each platform wanting its own special format. Basis fixes 1 (by adding an extra layer of compression) and 3 (by transcoding to almost any format at load time). But it doesn’t fix 2, and it adds another downside -- decompressing and transcoding is relatively slow.