217 static uint8_t BlendChannelNonPremult(uint32_t src, uint8_t src_a,  in BlendChannelNonPremult()  argument
222   const uint32_t blend_unscaled = src_channel * src_a + dst_channel * dst_a;  in BlendChannelNonPremult()
229   const uint8_t src_a = (src >> CHANNEL_SHIFT(3)) & 0xff;  in BlendPixelNonPremult()  local
231   if (src_a == 0) {  in BlendPixelNonPremult()
237     const uint8_t dst_factor_a = (dst_a * (256 - src_a)) >> 8;  in BlendPixelNonPremult()
238     const uint8_t blend_a = src_a + dst_factor_a;  in BlendPixelNonPremult()
242         src, src_a, dst, dst_factor_a, scale, CHANNEL_SHIFT(0));  in BlendPixelNonPremult()
244         src, src_a, dst, dst_factor_a, scale, CHANNEL_SHIFT(1));  in BlendPixelNonPremult()
246         src, src_a, dst, dst_factor_a, scale, CHANNEL_SHIFT(2));  in BlendPixelNonPremult()
247     assert(src_a + dst_factor_a < 256);  in BlendPixelNonPremult()
279   const uint8_t src_a = (src >> CHANNEL_SHIFT(3)) & 0xff;  in BlendPixelPremult()  local
280   return src + ChannelwiseMultiply(dst, 256 - src_a);  in BlendPixelPremult()