1489 	void ShaderCore::refract1(Vector4f &dst, const Vector4f &I, const Vector4f &N, const Float4 &eta)  in refract1()  argument
1492 		Float4 k = Float4(1.0f) - eta * eta * (Float4(1.0f) - d * d);  in refract1()
1494 		Float4 t = (eta * d + Sqrt(k));  in refract1()
1496 		dst.x = As<Float4>(pos & As<Int4>(eta * I.x - t * N.x));  in refract1()
1499 	void ShaderCore::refract2(Vector4f &dst, const Vector4f &I, const Vector4f &N, const Float4 &eta)  in refract2()  argument
1502 		Float4 k = Float4(1.0f) - eta * eta * (Float4(1.0f) - d * d);  in refract2()
1504 		Float4 t = (eta * d + Sqrt(k));  in refract2()
1506 		dst.x = As<Float4>(pos & As<Int4>(eta * I.x - t * N.x));  in refract2()
1507 		dst.y = As<Float4>(pos & As<Int4>(eta * I.y - t * N.y));  in refract2()
1510 	void ShaderCore::refract3(Vector4f &dst, const Vector4f &I, const Vector4f &N, const Float4 &eta)  in refract3()  argument
1513 		Float4 k = Float4(1.0f) - eta * eta * (Float4(1.0f) - d * d);  in refract3()
1515 		Float4 t = (eta * d + Sqrt(k));  in refract3()
1517 		dst.x = As<Float4>(pos & As<Int4>(eta * I.x - t * N.x));  in refract3()
1518 		dst.y = As<Float4>(pos & As<Int4>(eta * I.y - t * N.y));  in refract3()
1519 		dst.z = As<Float4>(pos & As<Int4>(eta * I.z - t * N.z));  in refract3()
1522 	void ShaderCore::refract4(Vector4f &dst, const Vector4f &I, const Vector4f &N, const Float4 &eta)  in refract4()  argument
1525 		Float4 k = Float4(1.0f) - eta * eta * (Float4(1.0f) - d * d);  in refract4()
1527 		Float4 t = (eta * d + Sqrt(k));  in refract4()
1529 		dst.x = As<Float4>(pos & As<Int4>(eta * I.x - t * N.x));  in refract4()
1530 		dst.y = As<Float4>(pos & As<Int4>(eta * I.y - t * N.y));  in refract4()
1531 		dst.z = As<Float4>(pos & As<Int4>(eta * I.z - t * N.z));  in refract4()
1532 		dst.w = As<Float4>(pos & As<Int4>(eta * I.w - t * N.w));  in refract4()