/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.renderscript;
/**
* Vector version of the basic int type.
* Provides four int fields packed.
*/
public class Int4 {
public int x;
public int y;
public int z;
public int w;
public Int4() {
}
/** @hide */
public Int4(int i) {
this.x = this.y = this.z = this.w = i;
}
public Int4(int x, int y, int z, int w) {
this.x = x;
this.y = y;
this.z = z;
this.w = w;
}
/** @hide */
public Int4(Int4 source) {
this.x = source.x;
this.y = source.y;
this.z = source.z;
this.w = source.w;
}
/** @hide
* Vector add
*
* @param a
*/
public void add(Int4 a) {
this.x += a.x;
this.y += a.y;
this.z += a.z;
this.w += a.w;
}
/** @hide
* Vector add
*
* @param a
* @param b
* @return
*/
public static Int4 add(Int4 a, Int4 b) {
Int4 result = new Int4();
result.x = a.x + b.x;
result.y = a.y + b.y;
result.z = a.z + b.z;
result.w = a.w + b.w;
return result;
}
/** @hide
* Vector add
*
* @param value
*/
public void add(int value) {
x += value;
y += value;
z += value;
w += value;
}
/** @hide
* Vector add
*
* @param a
* @param b
* @return
*/
public static Int4 add(Int4 a, int b) {
Int4 result = new Int4();
result.x = a.x + b;
result.y = a.y + b;
result.z = a.z + b;
result.w = a.w + b;
return result;
}
/** @hide
* Vector subtraction
*
* @param a
*/
public void sub(Int4 a) {
this.x -= a.x;
this.y -= a.y;
this.z -= a.z;
this.w -= a.w;
}
/** @hide
* Vector subtraction
*
* @param a
* @param b
* @return
*/
public static Int4 sub(Int4 a, Int4 b) {
Int4 result = new Int4();
result.x = a.x - b.x;
result.y = a.y - b.y;
result.z = a.z - b.z;
result.w = a.w - b.w;
return result;
}
/** @hide
* Vector subtraction
*
* @param value
*/
public void sub(int value) {
x -= value;
y -= value;
z -= value;
w -= value;
}
/** @hide
* Vector subtraction
*
* @param a
* @param b
* @return
*/
public static Int4 sub(Int4 a, int b) {
Int4 result = new Int4();
result.x = a.x - b;
result.y = a.y - b;
result.z = a.z - b;
result.w = a.w - b;
return result;
}
/** @hide
* Vector multiplication
*
* @param a
*/
public void mul(Int4 a) {
this.x *= a.x;
this.y *= a.y;
this.z *= a.z;
this.w *= a.w;
}
/** @hide
* Vector multiplication
*
* @param a
* @param b
* @return
*/
public static Int4 mul(Int4 a, Int4 b) {
Int4 result = new Int4();
result.x = a.x * b.x;
result.y = a.y * b.y;
result.z = a.z * b.z;
result.w = a.w * b.w;
return result;
}
/** @hide
* Vector multiplication
*
* @param value
*/
public void mul(int value) {
x *= value;
y *= value;
z *= value;
w *= value;
}
/** @hide
* Vector multiplication
*
* @param a
* @param b
* @return
*/
public static Int4 mul(Int4 a, int b) {
Int4 result = new Int4();
result.x = a.x * b;
result.y = a.y * b;
result.z = a.z * b;
result.w = a.w * b;
return result;
}
/** @hide
* Vector division
*
* @param a
*/
public void div(Int4 a) {
this.x /= a.x;
this.y /= a.y;
this.z /= a.z;
this.w /= a.w;
}
/** @hide
* Vector division
*
* @param a
* @param b
* @return
*/
public static Int4 div(Int4 a, Int4 b) {
Int4 result = new Int4();
result.x = a.x / b.x;
result.y = a.y / b.y;
result.z = a.z / b.z;
result.w = a.w / b.w;
return result;
}
/** @hide
* Vector division
*
* @param value
*/
public void div(int value) {
x /= value;
y /= value;
z /= value;
w /= value;
}
/** @hide
* Vector division
*
* @param a
* @param b
* @return
*/
public static Int4 div(Int4 a, int b) {
Int4 result = new Int4();
result.x = a.x / b;
result.y = a.y / b;
result.z = a.z / b;
result.w = a.w / b;
return result;
}
/** @hide
* Vector Modulo
*
* @param a
*/
public void mod(Int4 a) {
this.x %= a.x;
this.y %= a.y;
this.z %= a.z;
this.w %= a.w;
}
/** @hide
* Vector Modulo
*
* @param a
* @param b
* @return
*/
public static Int4 mod(Int4 a, Int4 b) {
Int4 result = new Int4();
result.x = a.x % b.x;
result.y = a.y % b.y;
result.z = a.z % b.z;
result.w = a.w % b.w;
return result;
}
/** @hide
* Vector Modulo
*
* @param value
*/
public void mod(int value) {
x %= value;
y %= value;
z %= value;
w %= value;
}
/** @hide
* Vector Modulo
*
* @param a
* @param b
* @return
*/
public static Int4 mod(Int4 a, int b) {
Int4 result = new Int4();
result.x = a.x % b;
result.y = a.y % b;
result.z = a.z % b;
result.w = a.w % b;
return result;
}
/** @hide
* get vector length
*
* @return
*/
public int length() {
return 4;
}
/** @hide
* set vector negate
*/
public void negate() {
this.x = -x;
this.y = -y;
this.z = -z;
this.w = -w;
}
/** @hide
* Vector dot Product
*
* @param a
* @return
*/
public int dotProduct(Int4 a) {
return (int)((x * a.x) + (y * a.y) + (z * a.z) + (w * a.w));
}
/** @hide
* Vector dot Product
*
* @param a
* @param b
* @return
*/
public static int dotProduct(Int4 a, Int4 b) {
return (int)((b.x * a.x) + (b.y * a.y) + (b.z * a.z) + (b.w * a.w));
}
/** @hide
* Vector add Multiple
*
* @param a
* @param factor
*/
public void addMultiple(Int4 a, int factor) {
x += a.x * factor;
y += a.y * factor;
z += a.z * factor;
w += a.w * factor;
}
/** @hide
* set vector value by Int4
*
* @param a
*/
public void set(Int4 a) {
this.x = a.x;
this.y = a.y;
this.z = a.z;
this.w = a.w;
}
/** @hide
* set the vector field value by Int
*
* @param a
* @param b
* @param c
* @param d
*/
public void setValues(int a, int b, int c, int d) {
this.x = a;
this.y = b;
this.z = c;
this.w = d;
}
/** @hide
* return the element sum of vector
*
* @return
*/
public int elementSum() {
return (int)(x + y + z + w);
}
/** @hide
* get the vector field value by index
*
* @param i
* @return
*/
public int get(int i) {
switch (i) {
case 0:
return (int)(x);
case 1:
return (int)(y);
case 2:
return (int)(z);
case 3:
return (int)(w);
default:
throw new IndexOutOfBoundsException("Index: i");
}
}
/** @hide
* set the vector field value by index
*
* @param i
* @param value
*/
public void setAt(int i, int value) {
switch (i) {
case 0:
x = value;
return;
case 1:
y = value;
return;
case 2:
z = value;
return;
case 3:
w = value;
return;
default:
throw new IndexOutOfBoundsException("Index: i");
}
}
/** @hide
* add the vector field value by index
*
* @param i
* @param value
*/
public void addAt(int i, int value) {
switch (i) {
case 0:
x += value;
return;
case 1:
y += value;
return;
case 2:
z += value;
return;
case 3:
w += value;
return;
default:
throw new IndexOutOfBoundsException("Index: i");
}
}
/** @hide
* copy the vector to int array
*
* @param data
* @param offset
*/
public void copyTo(int[] data, int offset) {
data[offset] = (int)(x);
data[offset + 1] = (int)(y);
data[offset + 2] = (int)(z);
data[offset + 3] = (int)(w);
}
}
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