Lines Matching defs:dwdy
1644 const float dwdy = (trans01.z() - trans00.z()) * (float)srcDepth / dstSize.y();1646 return deFloatLog2(deFloatSqrt(de::max(dudx*dudx + dvdx*dvdx + dwdx*dwdx, dudy*dudy + dvdy*dvdy + dwdy*dwdy)));
