Lines Matching refs:y0
18 #define SkEdge_Compute_DY(top, y0) ((32 - (y0)) & 63)
20 // This is correct, as it favors the lower-pixel when y0 is on a 1/2 pixel
22 #define SkEdge_Compute_DY(top, y0) ((top << 6) + 32 - (y0))
94 SkFDot6 x0, y0, x1, y1;
100 y0 = int(p0.fY * scale);
106 y0 = p0.fY >> shift;
114 if (y0 > y1) {
116 SkTSwap(y0, y1);
120 int top = SkFDot6Round(y0);
128 SkFixed slope = SkFDot6Div(x1 - x0, y1 - y0);
129 const int dy = SkEdge_Compute_DY(top, y0);
