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fixed comments

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koolsmoky
2004-02-08 21:58:57 +00:00
parent 2dbc6d696e
commit 55aa3d89dd
1 changed files with 2 additions and 2 deletions
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4
swlibs/texus2/lib/quantize.c
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@@ -1232,8 +1232,8 @@ _txImgQuantizeDXAlpha3(FxU16* dst, const FxU32* src,
else if (rawAlpha > testA7) FX_SET64(bitVal, 0x00UL, 0x07UL); /* encoded to bitcode 111 */
else FX_SET64(bitVal, 0x00UL, 0x01UL); /* encoded to bitcode 001 */
/* the *decoded* result will be
* 0x00UL (bitcode 000) -> alpha0 = maxAlpha = 0xFFUL (255)
* 0x01UL (bitcode 001) -> alpha1 = minAlpha = 0x00UL (0)
* 0x00UL (bitcode 000) -> alpha0 = maxAlpha
* 0x01UL (bitcode 001) -> alpha1 = minAlpha
* 0x02UL (bitcode 010) -> alpha2 = 6/7 alpha0 + 1/7 alpha1
* 0x03UL (bitcode 011) -> alpha3 = 5/7 alpha0 + 2/7 alpha1
* 0x04UL (bitcode 100) -> alpha4 = 4/7 alpha0 + 3/7 alpha1