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Lines Matching refs:dwdx

250 float computeLodFromDerivates (LodMode mode, float dudx, float dvdx, float dwdx, float dudy, float dvdy, float dwdy)
256 			p = de::max(deFloatSqrt(dudx*dudx + dvdx*dvdx + dwdx*dwdx), deFloatSqrt(dudy*dudy + dvdy*dvdy + dwdy*dwdy));
264 			float mw = de::max(deFloatAbs(dwdx), deFloatAbs(dwdy));
336 	float dwdx	= triDerivateX(w, projection, wx, width, wy/height);
341 	return computeLodFromDerivates(mode, dudx, dvdx, dwdx, dudy, dvdy, dwdy);