Lines Matching refs:dvdx
635 GGLcolor ADJUST_COLOR_ITERATOR(GGLcolor v, GGLcolor dvdx, int len) in ADJUST_COLOR_ITERATOR() argument
637 const int32_t end = dvdx * (len-1) + v; in ADJUST_COLOR_ITERATOR()
1626 T interpolate(int y, T v0, U dvdx, U dvdy) { in interpolate() argument
1629 return (y * dvdy) + (v0 + ((dvdy + dvdx) >> 1)); in interpolate()
1969 int32_t dvdx = v1 - v0; in scanline_perspective() local
1970 if (span) dvdx /= span; in scanline_perspective()
1971 else dvdx >>= SPAN_BITS; in scanline_perspective()
1978 ti.st[j].dvdx = dvdx << scale; in scanline_perspective()
1981 ti.st[j].dvdx = dvdx >> -scale; in scanline_perspective()
1985 gen.dsdx = ti.st[0].dvdx; in scanline_perspective()
1986 gen.dtdx = ti.st[1].dvdx; in scanline_perspective()