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Lines Matching refs:dvdy

256 inline float computeLodFromDerivates (LodMode mode, float dudx, float dvdx, float dudy, float dvdy)
262 			p = de::max(deFloatSqrt(dudx*dudx + dvdx*dvdx), deFloatSqrt(dudy*dudy + dvdy*dvdy));
269 			float mv = de::max(deFloatAbs(dvdx), deFloatAbs(dvdy));
296 inline float computeLodFromDerivates (LodMode mode, float dudx, float dvdx, float dwdx, float dudy, float dvdy, float dwdy)
302 			p = de::max(deFloatSqrt(dudx*dudx + dvdx*dvdx + dwdx*dwdx), deFloatSqrt(dudy*dudy + dvdy*dvdy + dwdy*dwdy));
309 			float mv = de::max(deFloatAbs(dvdx), deFloatAbs(dvdy));
371 	float dvdy	= triDerivateY(v, projection, wy, height, wx/width);
373 	return computeLodFromDerivates(mode, dudx, dvdx, dudy, dvdy);
384 	float dvdy	= triDerivateY(v, projection, wy, height, wx/width);
387 	return computeLodFromDerivates(mode, dudx, dvdx, dwdx, dudy, dvdy, dwdy);
634 		const float		dvdy	= float(faceSize) * 0.5f * (tcdy*ma - tc*mady) / (ma*ma);
636 		return computeLodFromDerivates(lodMode, dudx, dvdx, dudy, dvdy);