Lines Matching refs:dx12
536 int32_t dx12 = x1 - x2;555 int32_t ey1 = dy12 * (x1 - mx) - dx12 * (y1 - my);561 if (dy12<0 || (dy12 == 0 && dx12>0)) ey1++;594 ey1 += dx12 << TRI_FRACTION_BITS;