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Lines Matching refs:dvdy

251 inline float computeLodFromDerivates (LodMode mode, float dudx, float dvdx, float dudy, float dvdy)
257 			p = de::max(deFloatSqrt(dudx*dudx + dvdx*dvdx), deFloatSqrt(dudy*dudy + dvdy*dvdy));
264 			float mv = de::max(deFloatAbs(dvdx), deFloatAbs(dvdy));
291 inline float computeLodFromDerivates (LodMode mode, float dudx, float dvdx, float dwdx, float dudy, float dvdy, float dwdy)
297 			p = de::max(deFloatSqrt(dudx*dudx + dvdx*dvdx + dwdx*dwdx), deFloatSqrt(dudy*dudy + dvdy*dvdy + dwdy*dwdy));
304 			float mv = de::max(deFloatAbs(dvdx), deFloatAbs(dvdy));
366 	float dvdy	= triDerivateY(v, projection, wy, height, wx/width);
368 	return computeLodFromDerivates(mode, dudx, dvdx, dudy, dvdy);
379 	float dvdy	= triDerivateY(v, projection, wy, height, wx/width);
382 	return computeLodFromDerivates(mode, dudx, dvdx, dwdx, dudy, dvdy, dwdy);
629 		const float		dvdy	= float(faceSize) * 0.5f * (tcdy*ma - tc*mady) / (ma*ma);
631 		return computeLodFromDerivates(lodMode, dudx, dvdx, dudy, dvdy);