Split ScriptC from RenderScript.java. Implement state caching in the Builder objects.
diff --git a/graphics/java/android/renderscript/ScriptC.java b/graphics/java/android/renderscript/ScriptC.java
new file mode 100644
index 0000000..0592f5d
--- /dev/null
+++ b/graphics/java/android/renderscript/ScriptC.java
@@ -0,0 +1,106 @@
+/*
+ * 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;
+
+
+/**
+ * @hide
+ **/
+public class ScriptC extends Script {
+ ScriptC(int id, RenderScript rs) {
+ super(id, rs);
+ }
+
+
+
+
+ public static class Builder extends Script.Builder {
+ byte[] mProgram;
+ int mProgramLength;
+
+ public Builder(RenderScript rs) {
+ super(rs);
+ }
+
+ public void setScript(String s) {
+ try {
+ mProgram = s.getBytes("UTF-8");
+ mProgramLength = mProgram.length;
+ } catch (java.io.UnsupportedEncodingException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ public void setScript(Resources resources, int id) {
+ InputStream is = resources.openRawResource(id);
+ try {
+ try {
+ setScript(is);
+ } finally {
+ is.close();
+ }
+ } catch(IOException e) {
+ throw new Resources.NotFoundException();
+ }
+ }
+
+ public void setScript(InputStream is) throws IOException {
+ byte[] buf = new byte[1024];
+ int currentPos = 0;
+ while(true) {
+ int bytesLeft = buf.length - currentPos;
+ if (bytesLeft == 0) {
+ byte[] buf2 = new byte[buf.length * 2];
+ System.arraycopy(buf, 0, buf2, 0, buf.length);
+ buf = buf2;
+ bytesLeft = buf.length - currentPos;
+ }
+ int bytesRead = is.read(buf, currentPos, bytesLeft);
+ if (bytesRead <= 0) {
+ break;
+ }
+ currentPos += bytesRead;
+ }
+ mProgram = buf;
+ mProgramLength = currentPos;
+ }
+
+ static synchronized ScriptC internalCreate(Builder b) {
+ b.mRS.nScriptCBegin();
+ b.transferCreate();
+
+ b.mRS.nScriptCSetScript(b.mProgram, 0, b.mProgramLength);
+
+
+ int id = b.mRS.nScriptCCreate();
+ ScriptC obj = new ScriptC(id, b.mRS);
+ b.transferObject(obj);
+ return obj;
+ }
+
+ public ScriptC create() {
+ return internalCreate(this);
+ }
+ }
+
+}
+
