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/*
* Copyright (C) 2008 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;
import android.util.Config;
import android.util.Log;
import java.lang.reflect.Field;
/**
* @hide
*
**/
public class Element extends BaseObj {
final int mPredefinedID;
final boolean mIsPredefined;
public static final Element USER_U8 = new Element(0);
public static final Element USER_I8 = new Element(1);
public static final Element USER_U16 = new Element(2);
public static final Element USER_I16 = new Element(3);
public static final Element USER_U32 = new Element(4);
public static final Element USER_I32 = new Element(5);
public static final Element USER_FLOAT = new Element(6);
public static final Element A_8 = new Element(7);
public static final Element RGB_565 = new Element(8);
public static final Element RGB_888 = new Element(11);
public static final Element RGBA_5551 = new Element(9);
public static final Element RGBA_4444 = new Element(10);
public static final Element RGBA_8888 = new Element(12);
public static final Element INDEX_16 = new Element(13);
public static final Element INDEX_32 = new Element(14);
public static final Element XY_F32 = new Element(15);
public static final Element XYZ_F32 = new Element(16);
public static final Element ST_XY_F32 = new Element(17);
public static final Element ST_XYZ_F32 = new Element(18);
public static final Element NORM_XYZ_F32 = new Element(19);
public static final Element NORM_ST_XYZ_F32 = new Element(20);
void initPredef(RenderScript rs) {
mID = rs.nElementGetPredefined(mPredefinedID);
}
static void init(RenderScript rs) {
USER_U8.initPredef(rs);
USER_I8.initPredef(rs);
USER_U16.initPredef(rs);
USER_I16.initPredef(rs);
USER_U32.initPredef(rs);
USER_I32.initPredef(rs);
USER_FLOAT.initPredef(rs);
A_8.initPredef(rs);
RGB_565.initPredef(rs);
RGB_888.initPredef(rs);
RGBA_5551.initPredef(rs);
RGBA_4444.initPredef(rs);
RGBA_8888.initPredef(rs);
INDEX_16.initPredef(rs);
INDEX_32.initPredef(rs);
XY_F32.initPredef(rs);
XYZ_F32.initPredef(rs);
ST_XY_F32.initPredef(rs);
ST_XYZ_F32.initPredef(rs);
NORM_XYZ_F32.initPredef(rs);
NORM_ST_XYZ_F32.initPredef(rs);
}
public enum DataType {
FLOAT (0),
UNSIGNED (1),
SIGNED (2);
int mID;
DataType(int id) {
mID = id;
}
}
public enum DataKind {
USER (0),
RED (1),
GREEN (2),
BLUE (3),
ALPHA (4),
LUMINANCE (5),
INTENSITY (6),
X (7),
Y (8),
Z (9),
W (10),
S (11),
T (12),
Q (13),
R (14),
NX (15),
NY (16),
NZ (17),
INDEX (18);
int mID;
DataKind(int id) {
mID = id;
}
}
Element(int predef) {
super(null);
mID = 0;
mPredefinedID = predef;
mIsPredefined = true;
}
Element(int id, RenderScript rs) {
super(rs);
mID = id;
mPredefinedID = 0;
mIsPredefined = false;
}
public void destroy() throws IllegalStateException {
if(mIsPredefined) {
throw new IllegalStateException("Attempting to destroy a predefined Element.");
}
if(mDestroyed) {
throw new IllegalStateException("Object already destroyed.");
}
mDestroyed = true;
mRS.nElementDestroy(mID);
}
public static Element createFromClass(RenderScript rs, Class c) {
Field[] fields = c.getFields();
Builder b = new Builder(rs);
for(Field f: fields) {
Class fc = f.getType();
if(fc == int.class) {
b.add(Element.DataType.SIGNED, Element.DataKind.USER, false, 32, f.getName());
} else if(fc == short.class) {
b.add(Element.DataType.SIGNED, Element.DataKind.USER, false, 16, f.getName());
} else if(fc == byte.class) {
b.add(Element.DataType.SIGNED, Element.DataKind.USER, false, 8, f.getName());
} else if(fc == float.class) {
b.add(Element.DataType.FLOAT, Element.DataKind.USER, false, 32, f.getName());
} else {
throw new IllegalArgumentException("Unkown field type");
}
}
return b.create();
}
public static class Builder {
RenderScript mRS;
Entry[] mEntries;
int mEntryCount;
private class Entry {
Element mElement;
Element.DataType mType;
Element.DataKind mKind;
boolean mIsNormalized;
int mBits;
String mName;
}
public Builder(RenderScript rs) {
mRS = rs;
mEntryCount = 0;
mEntries = new Entry[8];
}
void addEntry(Entry e) {
if(mEntries.length >= mEntryCount) {
Entry[] en = new Entry[mEntryCount + 8];
for(int ct=0; ct < mEntries.length; ct++) {
en[ct] = mEntries[ct];
}
mEntries = en;
}
mEntries[mEntryCount] = e;
mEntryCount++;
}
public Builder add(Element e) throws IllegalArgumentException {
if(!e.mIsPredefined) {
throw new IllegalArgumentException("add requires a predefined Element.");
}
Entry en = new Entry();
en.mElement = e;
addEntry(en);
return this;
}
public Builder add(Element.DataType dt, Element.DataKind dk, boolean isNormalized, int bits, String name) {
Entry en = new Entry();
en.mType = dt;
en.mKind = dk;
en.mIsNormalized = isNormalized;
en.mBits = bits;
en.mName = name;
addEntry(en);
return this;
}
public Builder add(Element.DataType dt, Element.DataKind dk, boolean isNormalized, int bits) {
add(dt, dk, isNormalized, bits, null);
return this;
}
static synchronized Element internalCreate(RenderScript rs, Builder b) {
rs.nElementBegin();
for (int ct=0; ct < b.mEntryCount; ct++) {
Entry en = b.mEntries[ct];
if(en.mElement != null) {
rs.nElementAddPredefined(en.mElement.mPredefinedID);
} else {
int norm = 0;
if (en.mIsNormalized) {
norm = 1;
}
rs.nElementAdd(en.mKind.mID, en.mType.mID, norm, en.mBits, en.mName);
}
}
int id = rs.nElementCreate();
return new Element(id, rs);
}
public Element create() {
return internalCreate(mRS, this);
}
}
}
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