1475 	void ShaderCore::refract1(Vector4f &dst, const Vector4f &I, const Vector4f &N, const Float4 &eta)  in refract1()  argument
1478 		Float4 k = Float4(1.0f) - eta * eta * (Float4(1.0f) - d * d);  in refract1()
1480 		Float4 t = (eta * d + Sqrt(k));  in refract1()
1482 		dst.x = As<Float4>(pos & As<Int4>(eta * I.x - t * N.x));  in refract1()
1485 	void ShaderCore::refract2(Vector4f &dst, const Vector4f &I, const Vector4f &N, const Float4 &eta)  in refract2()  argument
1488 		Float4 k = Float4(1.0f) - eta * eta * (Float4(1.0f) - d * d);  in refract2()
1490 		Float4 t = (eta * d + Sqrt(k));  in refract2()
1492 		dst.x = As<Float4>(pos & As<Int4>(eta * I.x - t * N.x));  in refract2()
1493 		dst.y = As<Float4>(pos & As<Int4>(eta * I.y - t * N.y));  in refract2()
1496 	void ShaderCore::refract3(Vector4f &dst, const Vector4f &I, const Vector4f &N, const Float4 &eta)  in refract3()  argument
1499 		Float4 k = Float4(1.0f) - eta * eta * (Float4(1.0f) - d * d);  in refract3()
1501 		Float4 t = (eta * d + Sqrt(k));  in refract3()
1503 		dst.x = As<Float4>(pos & As<Int4>(eta * I.x - t * N.x));  in refract3()
1504 		dst.y = As<Float4>(pos & As<Int4>(eta * I.y - t * N.y));  in refract3()
1505 		dst.z = As<Float4>(pos & As<Int4>(eta * I.z - t * N.z));  in refract3()
1508 	void ShaderCore::refract4(Vector4f &dst, const Vector4f &I, const Vector4f &N, const Float4 &eta)  in refract4()  argument
1511 		Float4 k = Float4(1.0f) - eta * eta * (Float4(1.0f) - d * d);  in refract4()
1513 		Float4 t = (eta * d + Sqrt(k));  in refract4()
1515 		dst.x = As<Float4>(pos & As<Int4>(eta * I.x - t * N.x));  in refract4()
1516 		dst.y = As<Float4>(pos & As<Int4>(eta * I.y - t * N.y));  in refract4()
1517 		dst.z = As<Float4>(pos & As<Int4>(eta * I.z - t * N.z));  in refract4()
1518 		dst.w = As<Float4>(pos & As<Int4>(eta * I.w - t * N.w));  in refract4()