Lines Matching refs:dvdx
640 GGLcolor ADJUST_COLOR_ITERATOR(GGLcolor v, GGLcolor dvdx, int len) in ADJUST_COLOR_ITERATOR() argument
642 const int32_t end = dvdx * (len-1) + v; in ADJUST_COLOR_ITERATOR()
1631 T interpolate(int y, T v0, U dvdx, U dvdy) { in interpolate() argument
1634 return (y * dvdy) + (v0 + ((dvdy + dvdx) >> 1)); in interpolate()
1974 int32_t dvdx = v1 - v0; in scanline_perspective() local
1975 if (span) dvdx /= span; in scanline_perspective()
1976 else dvdx >>= SPAN_BITS; in scanline_perspective()
1983 ti.st[j].dvdx = dvdx << scale; in scanline_perspective()
1986 ti.st[j].dvdx = dvdx >> -scale; in scanline_perspective()
1990 gen.dsdx = ti.st[0].dvdx; in scanline_perspective()
1991 gen.dtdx = ti.st[1].dvdx; in scanline_perspective()