Lines Matching refs:dvdx
251 inline float computeLodFromDerivates (float dudx, float dvdx, float dudy, float dvdy)
259 p = de::max(deFloatSqrt(dudx*dudx + dvdx*dvdx), deFloatSqrt(dudy*dudy + dvdy*dvdy));
266 float mv = de::max(deFloatAbs(dvdx), deFloatAbs(dvdy));
279 inline float computeLodFromDerivates (float dudx, float dvdx, float dwdx, float dudy, float dvdy, float dwdy)
287 p = de::max(deFloatSqrt(dudx*dudx + dvdx*dvdx + dwdx*dwdx), deFloatSqrt(dudy*dudy + dvdy*dvdy + dwdy*dwdy));
294 float mv = de::max(deFloatAbs(dvdx), deFloatAbs(dvdy));
1870 // \note Only one of dudx, dudy, dvdx, dvdy is non-zero since spec allows approximating p from derivates by various methods.
