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/*
* Copyright (C) 2010 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.*;
import android.content.res.Resources;
import android.util.Log;
import android.renderscript.Element;
import android.renderscript.FieldPacker;
import android.renderscript.Float2;
import android.renderscript.Float4;
import android.renderscript.RenderScript;
public class ScriptField_VpConsts extends android.renderscript.Script.FieldBase {
static public class Item {
public static final int sizeof = 48;
Float4 Position;
Float4 ScaleOffset;
Float2 BendPos;
Float2 ImgSize;
Item() {
Position = new Float4();
ScaleOffset = new Float4();
BendPos = new Float2();
ImgSize = new Float2();
}
}
private Item mItemArray[];
private FieldPacker mIOBuffer;
public ScriptField_VpConsts(RenderScript rs, int count) {
mItemArray = null;
mIOBuffer = null;
{
Element.Builder eb = new Element.Builder(rs);
eb.add(Element.createVector(rs, Element.DataType.FLOAT_32, 4), "Position");
eb.add(Element.createVector(rs, Element.DataType.FLOAT_32, 4), "ScaleOffset");
eb.add(Element.createVector(rs, Element.DataType.FLOAT_32, 2), "BendPos");
eb.add(Element.createVector(rs, Element.DataType.FLOAT_32, 2), "ImgSize");
mElement = eb.create();
}
init(rs, count);
}
private void copyToArray(Item i, int index) {
if (mIOBuffer == null) mIOBuffer = new FieldPacker(Item.sizeof * mType.getX() /* count */);
mIOBuffer.reset(index * Item.sizeof);
mIOBuffer.addF32(i.Position);
mIOBuffer.addF32(i.ScaleOffset);
mIOBuffer.addF32(i.BendPos);
mIOBuffer.addF32(i.ImgSize);
}
public void set(Item i, int index, boolean copyNow) {
if (mItemArray == null) mItemArray = new Item[mType.getX() /* count */];
mItemArray[index] = i;
if (copyNow) {
copyToArray(i, index);
mAllocation.subData1D(index /** Item.sizeof*/, 1/*Item.sizeof*/, mIOBuffer.getData());
}
}
public void copyAll() {
for (int ct=0; ct < mItemArray.length; ct++) copyToArray(mItemArray[ct], ct);
mAllocation.data(mIOBuffer.getData());
}
}
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