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/*
* Copyright (C) 2012 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 androidx.renderscript;
import android.content.Context;
import android.content.res.Resources;
import android.util.Log;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map.Entry;
import java.util.HashMap;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
/**
* The superclass for all user-defined scripts. This is only
* intended to be used by the generated derived classes.
*
* @deprecated Renderscript has been deprecated in API level 31. Please refer to the <a
* href="https://developer.android.com/guide/topics/renderscript/migration-guide">migration
* guide</a> for the proposed alternatives.
**/
@Deprecated
public class ScriptC extends Script {
private static final String TAG = "ScriptC";
/**
* Only intended for use by the generated derived classes.
*
* @param id
* @param rs
*/
protected ScriptC(long id, RenderScript rs) {
super(id, rs);
}
/**
* Only intended for use by the generated derived classes.
*
*
* @param rs
* @param resources
* @param resourceID
*/
protected ScriptC(RenderScript rs, Resources resources, int resourceID) {
super(0, rs);
long id = internalCreate(rs, resources, resourceID);
if (id == 0) {
throw new RSRuntimeException("Loading of ScriptC script failed.");
}
setID(id);
}
/**
* Only intended for use by the generated derived classes.
*
* @param rs
* @param resName
* @param bitcode32
* @param bitcode64
*/
protected ScriptC(RenderScript rs, String resName, byte[] bitcode32, byte[] bitcode64) {
super(0, rs);
long id = 0;
if (RenderScript.sPointerSize == 4) {
id = internalStringCreate(rs, resName, bitcode32);
} else {
id = internalStringCreate(rs, resName, bitcode64);
}
if (id == 0) {
throw new RSRuntimeException("Loading of ScriptC script failed.");
}
setID(id);
}
private static void throwExceptionIfSDKTooHigh(RenderScript rs) {
String message =
"ScriptC scripts are not supported when targeting an API Level > 34. Please refer "
+ "to https://developer.android.com/guide/topics/renderscript/migration-guide "
+ "for proposed alternatives.";
Log.w(TAG, message);
// Inlining of the Build.VERSION_CODES.UPSIDE_DOWN_CAKE constant because it is not available
// when building with older SDKs.
// https://developer.android.com/reference/android/os/Build.VERSION_CODES#UPSIDE_DOWN_CAKE
final int maxSupportedTargetSDKVersion = 34;
int targetSdkVersion = rs.getApplicationContext().getApplicationInfo().targetSdkVersion;
if (targetSdkVersion > maxSupportedTargetSDKVersion) {
throw new UnsupportedOperationException(message);
}
}
private static synchronized long internalCreate(RenderScript rs, Resources resources, int resourceID) {
throwExceptionIfSDKTooHigh(rs);
byte[] pgm;
int pgmLength;
InputStream is = resources.openRawResource(resourceID);
try {
try {
pgm = new byte[1024];
pgmLength = 0;
while(true) {
int bytesLeft = pgm.length - pgmLength;
if (bytesLeft == 0) {
byte[] buf2 = new byte[pgm.length * 2];
System.arraycopy(pgm, 0, buf2, 0, pgm.length);
pgm = buf2;
bytesLeft = pgm.length - pgmLength;
}
int bytesRead = is.read(pgm, pgmLength, bytesLeft);
if (bytesRead <= 0) {
break;
}
pgmLength += bytesRead;
}
} finally {
is.close();
}
} catch(IOException e) {
throw new Resources.NotFoundException();
}
String resName = resources.getResourceEntryName(resourceID);
String cachePath = rs.getApplicationContext().getCacheDir().toString();
// Log.v(TAG, "Create script for resource = " + resName + ", " + pgmLength + ", " + pgm);
//Log.v(TAG, " path = " + cachePath);
return rs.nScriptCCreate(resName, cachePath, pgm, pgmLength);
}
private static synchronized long internalStringCreate(RenderScript rs, String resName, byte[] bitcode) {
// Log.v(TAG, "Create script for resource = " + resName);
throwExceptionIfSDKTooHigh(rs);
String cachePath = rs.getApplicationContext().getCacheDir().toString();
return rs.nScriptCCreate(resName, cachePath, bitcode, bitcode.length);
}
}
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