1 files changed, 106 insertions, 0 deletions
diff --git a/rs/java/android/renderscript/ScriptC.java b/rs/java/android/renderscript/ScriptC.java
new file mode 100644
index 0000000..c7979f6
--- /dev/null
+++ b/rs/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 android.content.res.Resources;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * The superclass for all user-defined scripts. This is only
+ * intended to be used by the generated derived classes.
+ **/
+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(int 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);
+        int id = internalCreate(rs, resources, resourceID);
+        if (id == 0) {
+            throw new RSRuntimeException("Loading of ScriptC script failed.");
+        }
+        setID(id);
+    }
+
+    /**
+     * Name of the file that holds the object cache.
+     */
+    private static final String CACHE_PATH = "com.android.renderscript.cache";
+
+    static String mCachePath;
+
+    private static synchronized int internalCreate(RenderScript rs, Resources resources, int resourceID) {
+        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);
+
+        // Create the RS cache path if we haven't done so already.
+        if (mCachePath == null) {
+            File f = new File(rs.mCacheDir, CACHE_PATH);
+            mCachePath = f.getAbsolutePath();
+            f.mkdirs();
+        }
+        //        Log.v(TAG, "Create script for resource = " + resName);
+        return rs.nScriptCCreate(resName, mCachePath, pgm, pgmLength);
+    }
+}