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Don't set alpha-channel to 0xff for alpha->green uplift

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usually saves ~4 bytes on average (but, up to 10 -or even 16- sometimes).

Change-Id: Ib500e1a35471a2f3da453ffc8c7e95d28b8d34fe
This commit is contained in:
skal 2013-06-18 00:03:32 +02:00
parent 5130770cd3
commit 3307c16327
1 changed files with 1 additions and 1 deletions
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2
src/enc/alpha.c
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@ -71,7 +71,7 @@ static int EncodeLossless(const uint8_t* const data, int width, int height,
const uint8_t* src = data;
for (j = 0; j < picture.height; ++j) {
for (i = 0; i < picture.width; ++i) {
dst[i] = (src[i] << 8) | 0xff000000u;
dst[i] = src[i] << 8; // we leave A/R/B channels zero'd.
}
src += width;
dst += picture.argb_stride;