Implement rs.sendMessage()

Change-Id: Ib4f4bb7bb4f697d0b5405ad55721394ed2456c65

graphics/java/android/renderscript/Allocation.java

@@ -1466,6 +1466,10 @@ public class Allocation extends BaseObj {
      * Creates a non-mipmapped renderscript allocation to use as a
      * graphics texture from the bitmap referenced by resource id
      *
+     * With target API version 18 or greater, this allocation will be
+     * created with USAGE_SHARED. With target API version 17 or lower,
+     * this allocation will be created with USAGE_GRAPHICS_TEXTURE.
+     *
      * @param rs Context to which the allocation will belong.
      * @param res application resources
      * @param id resource id to load the data from
@@ -1476,6 +1480,11 @@ public class Allocation extends BaseObj {
     static public Allocation createFromBitmapResource(RenderScript rs,
                                                       Resources res,
                                                       int id) {
+        if (rs.getApplicationContext().getApplicationInfo().targetSdkVersion >= 18) {
+            return createFromBitmapResource(rs, res, id,
+                                            MipmapControl.MIPMAP_NONE,
+                                            USAGE_SHARED | USAGE_SCRIPT);
+        }
         return createFromBitmapResource(rs, res, id,
                                         MipmapControl.MIPMAP_NONE,
                                         USAGE_GRAPHICS_TEXTURE);

graphics/java/android/renderscript/RenderScript.java

@@ -157,6 +157,12 @@ public class RenderScript {
         rsnContextFinish(mContext);
     }
 
+    native void rsnContextSendMessage(int con, int id, int[] data);
+    synchronized void nContextSendMessage(int id, int[] data) {
+        validate();
+        rsnContextSendMessage(mContext, id, data);
+    }
+
     native void rsnContextBindRootScript(int con, int script);
     synchronized void nContextBindRootScript(int script) {
         validate();
@@ -823,6 +829,16 @@ public class RenderScript {
         return mMessageCallback;
     }
 
+    /**
+     * @hide
+     *
+     * @param id
+     * @param data
+     */
+    public void sendMessage(int id, int[] data) {
+        nContextSendMessage(id, data);
+    }
+
     /**
      * Runtime error base class.  An application should derive from this class
      * if it wishes to install an error handler.  When errors occur at runtime

graphics/jni/android_renderscript_RenderScript.cpp

@@ -346,6 +346,23 @@ static void nContextDeinitToClient(JNIEnv *_env, jobject _this, RsContext con)
     rsContextDeinitToClient(con);
 }
 
+static void
+nContextSendMessage(JNIEnv *_env, jobject _this, RsContext con, jint id, jintArray data)
+{
+    jint *ptr = NULL;
+    jint len = 0;
+    if (data) {
+        len = _env->GetArrayLength(data);
+        jint *ptr = _env->GetIntArrayElements(data, NULL);
+    }
+    LOG_API("nContextSendMessage, con(%p), id(%i), len(%i)", con, id, len);
+    rsContextSendMessage(con, id, (const uint8_t *)ptr, len * sizeof(int));
+    if (data) {
+        _env->ReleaseIntArrayElements(data, ptr, JNI_ABORT);
+    }
+}
+
+
 
 static jint
 nElementCreate(JNIEnv *_env, jobject _this, RsContext con, jint type, jint kind, jboolean norm, jint size)
@@ -1434,6 +1451,7 @@ static JNINativeMethod methods[] = {
 {"rsnContextDump",                   "(II)V",                                 (void*)nContextDump },
 {"rsnContextPause",                  "(I)V",                                  (void*)nContextPause },
 {"rsnContextResume",                 "(I)V",                                  (void*)nContextResume },
+{"rsnContextSendMessage",            "(II[I)V",                               (void*)nContextSendMessage },
 {"rsnAssignName",                    "(II[B)V",                               (void*)nAssignName },
 {"rsnGetName",                       "(II)Ljava/lang/String;",                (void*)nGetName },
 {"rsnObjDestroy",                    "(II)V",                                 (void*)nObjDestroy },

tests/RenderScriptTests/ImageProcessing/src/com/android/rs/image/TestBase.java

@@ -45,7 +45,6 @@ public class TestBase  {
     protected Allocation mInPixelsAllocation;
     protected Allocation mInPixelsAllocation2;
     protected Allocation mOutPixelsAllocation;
-    protected ScriptC_msg mMessageScript;
 
     protected ImageProcessingActivity act;
 
@@ -110,7 +109,6 @@ public class TestBase  {
         act = ipact;
         mRS = RenderScript.create(act);
         mRS.setMessageHandler(new MessageProcessor(act));
-        mMessageScript = new ScriptC_msg(mRS);
 
         mInPixelsAllocation = Allocation.createFromBitmap(mRS, b);
         mInPixelsAllocation2 = Allocation.createFromBitmap(mRS, b2);
@@ -129,7 +127,7 @@ public class TestBase  {
 
     final public void runTestSendMessage() {
         runTest();
-        mMessageScript.invoke_sendMsg();
+        mRS.sendMessage(0, null);
     }
 
     public void finish() {

tests/RenderScriptTests/ImageProcessing/src/com/android/rs/image/msg.rs

@@ -1,23 +0,0 @@
-/*
- * 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.
- */
-
-#pragma version(1)
-#pragma rs java_package_name(com.android.rs.image)
-
-void sendMsg() {
-    rsSendToClientBlocking(0);
-}
-