Joe Onorato
88 lines
3.0 KiB
Java
88 lines
3.0 KiB
Java
/*
|
|
* Copyright (C) 2009 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 com.android.launcher2;
|
|
|
|
import android.renderscript.Allocation;
|
|
import android.renderscript.Element;
|
|
import android.renderscript.RenderScript;
|
|
import android.util.Log;
|
|
|
|
import java.lang.reflect.Field;
|
|
|
|
public class IntAllocation {
|
|
private RenderScript mRS;
|
|
private int[] mBuffer;
|
|
private Allocation mAlloc;
|
|
|
|
public IntAllocation(RenderScript rs) {
|
|
mRS = rs;
|
|
}
|
|
|
|
public void save() {
|
|
Field[] fields = this.getClass().getFields();
|
|
if (mBuffer == null) {
|
|
int maxIndex = 0;
|
|
for (Field f: fields) {
|
|
AllocationIndex index = f.getAnnotation(AllocationIndex.class);
|
|
if (index != null) {
|
|
int value = index.value();
|
|
if (value > maxIndex) {
|
|
maxIndex = value;
|
|
}
|
|
}
|
|
}
|
|
mBuffer = new int[maxIndex+1];
|
|
if (true) {
|
|
// helpful debugging check
|
|
for (Field f: fields) {
|
|
AllocationIndex index = f.getAnnotation(AllocationIndex.class);
|
|
if (index != null) {
|
|
int i = index.value();
|
|
if (mBuffer[i] != 0) {
|
|
throw new RuntimeException("@AllocationIndex on field in class "
|
|
+ this.getClass().getName() + " with duplicate value "
|
|
+ i + " for field " + f.getName() + ". The other field is "
|
|
+ fields[mBuffer[i]-1].getName() + '.');
|
|
}
|
|
mBuffer[i] = i+1;
|
|
}
|
|
}
|
|
for (int i=0; i<mBuffer.length; i++) {
|
|
mBuffer[i] = 0;
|
|
}
|
|
}
|
|
mAlloc = Allocation.createSized(mRS, Element.USER_I32, mBuffer.length);
|
|
}
|
|
int[] buf = mBuffer;
|
|
for (Field f: fields) {
|
|
AllocationIndex index = f.getAnnotation(AllocationIndex.class);
|
|
if (index != null) {
|
|
try {
|
|
buf[index.value()] = f.getInt(this);
|
|
} catch (IllegalAccessException ex) {
|
|
throw new RuntimeException(ex);
|
|
}
|
|
}
|
|
}
|
|
mAlloc.data(buf);
|
|
}
|
|
|
|
Allocation getAllocation() {
|
|
return mAlloc;
|
|
}
|
|
}
|