56         uint8_t*    alpha = fAlpha + offsetX;  in add()  local
57         uint8_t*    lastAlpha = alpha;  in add()
61             SkAlphaRuns::Break(runs, alpha, x, 1);  in add()
67             unsigned tmp = alpha[x] + startAlpha;  in add()
69 …alpha[x] = SkToU8(tmp - (tmp >> 8));    // was (tmp >> 7), but that seems wrong if we're trying to…  in add()
72             alpha += x + 1;  in add()
79             SkAlphaRuns::Break(runs, alpha, x, middleCount);  in add()
80             alpha += x;  in add()
84                 alpha[0] = SkToU8(alpha[0] + maxValue);  in add()
87                 alpha += n;  in add()
92             lastAlpha = alpha;  in add()
96             SkAlphaRuns::Break(runs, alpha, x, 1);  in add()
97             alpha += x;  in add()
98             alpha[0] = SkToU8(alpha[0] + stopAlpha);  in add()
100             lastAlpha = alpha;  in add()
117     static void Break(int16_t runs[], uint8_t alpha[], int x, int count) {
124         uint8_t*  next_alpha = alpha + x;
131                 alpha[x] = alpha[0];
137             alpha += n;
142         alpha = next_alpha;
150                 alpha[x] = alpha[0];
160             alpha += n;
170     static void BreakAt(int16_t runs[], uint8_t alpha[], int x) {  in BreakAt()  argument
176                 alpha[x] = alpha[0];  in BreakAt()
182             alpha += n;  in BreakAt()