From e49d7ec36132f33b7c9e2c044ab9dd3585aa3747 Mon Sep 17 00:00:00 2001
From: Romain Guy <romainguy@google.com>
Date: Fri, 7 Sep 2012 18:42:38 -0700
Subject: Fix memory corruption in LayerRenderer::copyLayer

The pixel store pack alignment was not set for the source texture,
causing a write to occur outside of the destination bitmap's
bounds.

Change-Id: Iaa5767acf7b5943fbc2765c3810a142f06b1a796
---
 tests/HwAccelerationTest/AndroidManifest.xml       |  9 +++
 .../com/android/test/hwui/TJunctionActivity.java   | 81 ++++++++++++++++++++++
 2 files changed, 90 insertions(+)
 create mode 100644 tests/HwAccelerationTest/src/com/android/test/hwui/TJunctionActivity.java

(limited to 'tests')

diff --git a/tests/HwAccelerationTest/AndroidManifest.xml b/tests/HwAccelerationTest/AndroidManifest.xml
index aebc594..4e229ec 100644
--- a/tests/HwAccelerationTest/AndroidManifest.xml
+++ b/tests/HwAccelerationTest/AndroidManifest.xml
@@ -42,6 +42,15 @@
         </activity>
 
         <activity
+                android:name="TJunctionActivity"
+                android:label="_T-Junction">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <activity
                 android:name="TextPathActivity"
                 android:label="_TextPath">
             <intent-filter>
diff --git a/tests/HwAccelerationTest/src/com/android/test/hwui/TJunctionActivity.java b/tests/HwAccelerationTest/src/com/android/test/hwui/TJunctionActivity.java
new file mode 100644
index 0000000..d2bcae9
--- /dev/null
+++ b/tests/HwAccelerationTest/src/com/android/test/hwui/TJunctionActivity.java
@@ -0,0 +1,81 @@
+/*
+ * 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 com.android.test.hwui;
+
+import android.app.Activity;
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.os.Bundle;
+import android.view.View;
+
+@SuppressWarnings("UnusedDeclaration")
+public class TJunctionActivity extends Activity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(new TJunctionView(this));
+    }
+
+    private class TJunctionView extends View {
+        private final Paint mPaint;
+
+        public TJunctionView(Context context) {
+            super(context);
+
+            setLayerType(LAYER_TYPE_HARDWARE, null);
+
+            mPaint = new Paint();
+        }
+
+        @Override
+        protected void onDraw(Canvas canvas) {
+            super.onDraw(canvas);
+
+            mPaint.setColor(0xffff0000);
+
+            canvas.translate(10.0f, 10.0f);
+            canvas.drawRect(0.0f, 0.0f, 100.0f, 50.0f, mPaint);
+
+            mPaint.setColor(0xff00ff00);
+
+            canvas.translate(50.0f, 50.0f);
+            canvas.drawRect(0.0f, 0.0f, 100.0f, 50.0f, mPaint);
+
+            mPaint.setColor(0xff0000ff);
+
+            canvas.translate(-25.0f, 50.0f);
+            canvas.drawRect(0.0f, 0.0f, 100.0f, 50.0f, mPaint);
+
+            mPaint.setColor(0xffffffff);
+
+            canvas.translate(150.0f, 75.0f);
+            canvas.drawRect(0.0f, 0.0f, 100.0f, 50.0f, mPaint);
+
+            canvas.translate(-50.0f, 75.0f);
+            canvas.drawRect(0.0f, 0.0f, 100.0f, 50.0f, mPaint);
+
+            canvas.translate(-75.0f, 50.0f);
+            canvas.drawRect(0.0f, 0.0f, 100.0f, 50.0f, mPaint);
+
+            canvas.translate(150.0f, 0.0f);
+            canvas.drawRect(0.0f, 0.0f, 100.0f, 50.0f, mPaint);
+
+            invalidate();
+        }
+    }
+}
-- 
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