Which Alpha had premultiplied have a 4:1 Compression ratio and dxt3 FOURCC?
FOURCC DX 10 Name Description Alpha premultiplied? Compression ratio Texture Type
S3 Texture Compression
1356994
text text text text text text
2-1356994-1
S3TC Format Comparison
S3TC Format Comparison
DXT1 BC1 1-bit Alpha / Opaque N/A 6:1(for 24 bit source image) Simple non-alpha
DXT2 (none) Explicit alpha Yes 4:1 Sharp alpha
DXT3 BC2 Explicit alpha No 4:1 Sharp alpha
DXT4 (none) Interpolated alpha Yes 4:1 Gradient alpha
DXT5 BC3 Interpolated alpha No 4:1 Gradient alpha
SELECT Alpha premultiplied? FROM table WHERE Compression ratio = 4:1 AND FOURCC = dxt3
4:1 dxt3