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remove the now unused *KeepA variants

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Change-Id: I65217f3075e30bc9a7f38a49d09f01c9d7271d6a
This commit is contained in:
Pascal Massimino 2012-06-27 10:00:48 -07:00
parent d11f6fcc82
commit 637a314f97
1 changed files with 8 additions and 20 deletions
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28
src/dsp/yuv.h
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@ -48,33 +48,21 @@ static WEBP_INLINE void VP8YuvToRgb565(uint8_t y, uint8_t u, uint8_t v,
(VP8kClip[y + b_off - YUV_RANGE_MIN] >> 3)); (VP8kClip[y + b_off - YUV_RANGE_MIN] >> 3));
} }
static WEBP_INLINE void VP8YuvToArgbKeepA(uint8_t y, uint8_t u, uint8_t v,
uint8_t* const argb) {
// Don't update Aplha (argb[0])
VP8YuvToRgb(y, u, v, argb + 1);
}
static WEBP_INLINE void VP8YuvToArgb(uint8_t y, uint8_t u, uint8_t v, static WEBP_INLINE void VP8YuvToArgb(uint8_t y, uint8_t u, uint8_t v,
uint8_t* const argb) { uint8_t* const argb) {
argb[0] = 0xff; argb[0] = 0xff;
VP8YuvToArgbKeepA(y, u, v, argb); VP8YuvToRgb(y, u, v, argb + 1);
}
static WEBP_INLINE void VP8YuvToRgba4444KeepA(uint8_t y, uint8_t u, uint8_t v,
uint8_t* const argb) {
const int r_off = VP8kVToR[v];
const int g_off = (VP8kVToG[v] + VP8kUToG[u]) >> YUV_FIX;
const int b_off = VP8kUToB[u];
// Don't update Aplha (last 4 bits of argb[1])
argb[0] = ((VP8kClip4Bits[y + r_off - YUV_RANGE_MIN] << 4) |
VP8kClip4Bits[y + g_off - YUV_RANGE_MIN]);
argb[1] = (argb[1] & 0x0f) | (VP8kClip4Bits[y + b_off - YUV_RANGE_MIN] << 4);
} }
static WEBP_INLINE void VP8YuvToRgba4444(uint8_t y, uint8_t u, uint8_t v, static WEBP_INLINE void VP8YuvToRgba4444(uint8_t y, uint8_t u, uint8_t v,
uint8_t* const argb) { uint8_t* const argb) {
argb[1] = 0x0f; const int r_off = VP8kVToR[v];
VP8YuvToRgba4444KeepA(y, u, v, argb); const int g_off = (VP8kVToG[v] + VP8kUToG[u]) >> YUV_FIX;
const int b_off = VP8kUToB[u];
// Don't update alpha (last 4 bits of argb[1])
argb[0] = ((VP8kClip4Bits[y + r_off - YUV_RANGE_MIN] << 4) |
VP8kClip4Bits[y + g_off - YUV_RANGE_MIN]);
argb[1] = 0x0f | (VP8kClip4Bits[y + b_off - YUV_RANGE_MIN] << 4);
} }
static WEBP_INLINE void VP8YuvToBgr(uint8_t y, uint8_t u, uint8_t v, static WEBP_INLINE void VP8YuvToBgr(uint8_t y, uint8_t u, uint8_t v,