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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 java.io.IOException;
import java.io.InputStream;
import android.content.res.Resources;
import android.content.res.AssetManager;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.util.Log;
import android.util.TypedValue;
/**
* @hide
*
**/
public class FileA3D extends BaseObj {
public enum ClassID {
UNKNOWN,
MESH,
TYPE,
ELEMENT,
ALLOCATION,
PROGRAM_VERTEX,
PROGRAM_RASTER,
PROGRAM_FRAGMENT,
PROGRAM_STORE,
SAMPLER,
ANIMATION,
LIGHT,
ADAPTER_1D,
ADAPTER_2D,
SCRIPT_C;
public static ClassID toClassID(int intID) {
return ClassID.values()[intID];
}
}
// Read only class with index entries
public static class IndexEntry {
RenderScript mRS;
int mIndex;
int mID;
String mName;
ClassID mClassID;
BaseObj mLoadedObj;
public String getName() {
return mName;
}
public ClassID getClassID() {
return mClassID;
}
public BaseObj getObject() {
mRS.validate();
BaseObj obj = internalCreate(mRS, this);
return obj;
}
static synchronized BaseObj internalCreate(RenderScript rs, IndexEntry entry) {
if(entry.mLoadedObj != null) {
return entry.mLoadedObj;
}
if(entry.mClassID == ClassID.UNKNOWN) {
return null;
}
int objectID = rs.nFileA3DGetEntryByIndex(entry.mID, entry.mIndex);
if(objectID == 0) {
return null;
}
switch (entry.mClassID) {
case MESH:
entry.mLoadedObj = new Mesh(objectID, rs);
break;
case TYPE:
entry.mLoadedObj = new Type(objectID, rs);
break;
case ELEMENT:
entry.mLoadedObj = null;
break;
case ALLOCATION:
entry.mLoadedObj = null;
break;
case PROGRAM_VERTEX:
entry.mLoadedObj = new ProgramVertex(objectID, rs);
break;
case PROGRAM_RASTER:
break;
case PROGRAM_FRAGMENT:
break;
case PROGRAM_STORE:
break;
case SAMPLER:
break;
case ANIMATION:
break;
case LIGHT:
break;
case ADAPTER_1D:
break;
case ADAPTER_2D:
break;
case SCRIPT_C:
break;
}
entry.mLoadedObj.updateFromNative();
return entry.mLoadedObj;
}
IndexEntry(RenderScript rs, int index, int id, String name, ClassID classID) {
mRS = rs;
mIndex = index;
mID = id;
mName = name;
mClassID = classID;
mLoadedObj = null;
}
}
IndexEntry[] mFileEntries;
FileA3D(int id, RenderScript rs) {
super(id, rs);
}
private void initEntries() {
int numFileEntries = mRS.nFileA3DGetNumIndexEntries(mID);
if(numFileEntries <= 0) {
return;
}
mFileEntries = new IndexEntry[numFileEntries];
int[] ids = new int[numFileEntries];
String[] names = new String[numFileEntries];
mRS.nFileA3DGetIndexEntries(mID, numFileEntries, ids, names);
for(int i = 0; i < numFileEntries; i ++) {
mFileEntries[i] = new IndexEntry(mRS, i, mID, names[i], ClassID.toClassID(ids[i]));
}
}
public int getNumIndexEntries() {
if(mFileEntries == null) {
return 0;
}
return mFileEntries.length;
}
public IndexEntry getIndexEntry(int index) {
if(getNumIndexEntries() == 0 || index < 0 || index >= mFileEntries.length) {
return null;
}
return mFileEntries[index];
}
static public FileA3D createFromResource(RenderScript rs, Resources res, int id)
throws IllegalArgumentException {
rs.validate();
InputStream is = null;
try {
final TypedValue value = new TypedValue();
is = res.openRawResource(id, value);
int asset = ((AssetManager.AssetInputStream) is).getAssetInt();
int fileId = rs.nFileA3DCreateFromAssetStream(asset);
if(fileId == 0) {
throw new IllegalStateException("Load failed.");
}
FileA3D fa3d = new FileA3D(fileId, rs);
fa3d.initEntries();
return fa3d;
} catch (Exception e) {
// Ignore
} finally {
if (is != null) {
try {
is.close();
} catch (IOException e) {
// Ignore
}
}
}
return null;
}
}
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