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Lines Matching refs:dvdx

223 	float dvdx = derivateParts.z() * (float)textureSize.y() * screenDerivate.x();
226 	return deFloatLog2(de::max(de::abs(dudx), de::abs(dudy)) + de::max(de::abs(dvdx), de::abs(dvdy)));
234 	float dvdx = derivateParts.z() * (float)textureSize.y() * screenDerivate.x();
237 	return deFloatLog2(de::max(de::max(de::abs(dudx), de::abs(dudy)), de::max(de::abs(dvdx), de::abs(dvdy))));