6b32fab1db
This is to allow RenderScript to better interact with the Android environment. E.g., per-app cache. 2. Plumbing, testing. 3. Added getApplicationContext in RenderScript.java. Change-Id: I85edeebe38825e20b2e86f4f4815689dfc332ef9
85 lines
2.7 KiB
Java
85 lines
2.7 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.renderscript;
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import android.content.Context;
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import android.content.res.Resources;
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import android.util.Log;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.Map.Entry;
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import java.util.HashMap;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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/**
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* @hide
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**/
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public class ScriptC extends Script {
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private static final String TAG = "ScriptC";
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protected ScriptC(int id, RenderScript rs) {
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super(id, rs);
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}
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protected ScriptC(RenderScript rs, Resources resources, int resourceID) {
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super(0, rs);
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int id = internalCreate(rs, resources, resourceID);
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setID(id);
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}
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private static synchronized int internalCreate(RenderScript rs, Resources resources, int resourceID) {
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byte[] pgm;
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int pgmLength;
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InputStream is = resources.openRawResource(resourceID);
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try {
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try {
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pgm = new byte[1024];
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pgmLength = 0;
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while(true) {
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int bytesLeft = pgm.length - pgmLength;
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if (bytesLeft == 0) {
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byte[] buf2 = new byte[pgm.length * 2];
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System.arraycopy(pgm, 0, buf2, 0, pgm.length);
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pgm = buf2;
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bytesLeft = pgm.length - pgmLength;
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}
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int bytesRead = is.read(pgm, pgmLength, bytesLeft);
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if (bytesRead <= 0) {
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break;
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}
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pgmLength += bytesRead;
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}
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} finally {
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is.close();
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}
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} catch(IOException e) {
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throw new Resources.NotFoundException();
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}
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rs.nScriptCBegin();
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rs.nScriptCSetScript(pgm, 0, pgmLength);
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Log.v(TAG, "Create script for resource = " + resources.getResourceName(resourceID));
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String cacheDir = rs.getApplicationContext().getCacheDir().toString();
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return rs.nScriptCCreate(resources.getResourceName(resourceID), cacheDir);
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}
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}
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