New layers API for Views.

This API can be used to back a view and its children with either a
software layer (bitmap) or hardware layer (FBO). Layers have
various usages, including color filtering and performance
improvements during animations.

Change-Id: Ifc3bea847918042730fc5a8c2d4206dd6c9420a3

8 files changed, 163 insertions, 28 deletions

diff --git a/tests/HwAccelerationTest/res/layout/_advanced_blend.xml b/tests/HwAccelerationTest/res/layout/_advanced_blend.xml
index 6efdd73..5b6fd3c 100644
--- a/tests/HwAccelerationTest/res/layout/_advanced_blend.xml
+++ b/tests/HwAccelerationTest/res/layout/_advanced_blend.xml
@@ -1,6 +1,19 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 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.
+-->
 <com.android.test.hwui.AdvancedBlendActivity.ShadersView
-  xmlns:android="http://schemas.android.com/apk/res/android"
-  android:layout_width="fill_parent"
-  android:layout_height="fill_parent">
-</com.android.test.hwui.AdvancedBlendActivity.ShadersView>
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent" />
diff --git a/tests/HwAccelerationTest/res/layout/_advanced_gradient.xml b/tests/HwAccelerationTest/res/layout/_advanced_gradient.xml
index dd937f9..5e32ed2 100644
--- a/tests/HwAccelerationTest/res/layout/_advanced_gradient.xml
+++ b/tests/HwAccelerationTest/res/layout/_advanced_gradient.xml
@@ -1,6 +1,19 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 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.
+-->
 <com.android.test.hwui.AdvancedGradientsActivity.GradientsView
-  xmlns:android="http://schemas.android.com/apk/res/android"
-  android:layout_width="fill_parent"
-  android:layout_height="fill_parent">
-</com.android.test.hwui.AdvancedGradientsActivity.GradientsView>
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent" />
diff --git a/tests/HwAccelerationTest/res/layout/_layers.xml b/tests/HwAccelerationTest/res/layout/_layers.xml
index c2b186d..25c76ac 100644
--- a/tests/HwAccelerationTest/res/layout/_layers.xml
+++ b/tests/HwAccelerationTest/res/layout/_layers.xml
@@ -1,6 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 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.
+-->
 <com.android.test.hwui.LayersActivity.LayersView
-  xmlns:android="http://schemas.android.com/apk/res/android"
-  android:layout_width="fill_parent"
-  android:layout_height="fill_parent">
-</com.android.test.hwui.LayersActivity.LayersView>
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent" />
+
diff --git a/tests/HwAccelerationTest/res/layout/_lines.xml b/tests/HwAccelerationTest/res/layout/_lines.xml
index 00f2556..c24dc25 100644
--- a/tests/HwAccelerationTest/res/layout/_lines.xml
+++ b/tests/HwAccelerationTest/res/layout/_lines.xml
@@ -1,6 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 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.
+-->
 <com.android.test.hwui.LinesActivity.LinesView
-  xmlns:android="http://schemas.android.com/apk/res/android"
-  android:layout_width="fill_parent"
-  android:layout_height="fill_parent">
-</com.android.test.hwui.LinesActivity.LinesView>
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent" />
+
diff --git a/tests/HwAccelerationTest/res/layout/_newlayers.xml b/tests/HwAccelerationTest/res/layout/_newlayers.xml
index 062a2e1..5c37e37 100644
--- a/tests/HwAccelerationTest/res/layout/_newlayers.xml
+++ b/tests/HwAccelerationTest/res/layout/_newlayers.xml
@@ -1,6 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 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.
+-->
 <com.android.test.hwui.NewLayersActivity.LayersView
-  xmlns:android="http://schemas.android.com/apk/res/android"
-  android:layout_width="fill_parent"
-  android:layout_height="fill_parent">
-</com.android.test.hwui.NewLayersActivity.LayersView>
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent" />
+
diff --git a/tests/HwAccelerationTest/res/layout/_paths.xml b/tests/HwAccelerationTest/res/layout/_paths.xml
index b053482..34baf84 100644
--- a/tests/HwAccelerationTest/res/layout/_paths.xml
+++ b/tests/HwAccelerationTest/res/layout/_paths.xml
@@ -1,6 +1,19 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 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.
+-->
 <com.android.test.hwui.PathsActivity.PathsView
-  xmlns:android="http://schemas.android.com/apk/res/android"
-  android:layout_width="fill_parent"
-  android:layout_height="fill_parent">
-</com.android.test.hwui.PathsActivity.PathsView>
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent" />
diff --git a/tests/HwAccelerationTest/res/layout/_shaders.xml b/tests/HwAccelerationTest/res/layout/_shaders.xml
index dcb42fb..070ac12 100644
--- a/tests/HwAccelerationTest/res/layout/_shaders.xml
+++ b/tests/HwAccelerationTest/res/layout/_shaders.xml
@@ -1,6 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 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.
+-->
 <com.android.test.hwui.ShadersActivity.ShadersView
-  xmlns:android="http://schemas.android.com/apk/res/android"
-  android:layout_width="fill_parent"
-  android:layout_height="fill_parent">
-</com.android.test.hwui.ShadersActivity.ShadersView>
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent" />
+
diff --git a/tests/HwAccelerationTest/res/layout/view_layers.xml b/tests/HwAccelerationTest/res/layout/view_layers.xml
new file mode 100644
index 0000000..e0cdc78
--- /dev/null
+++ b/tests/HwAccelerationTest/res/layout/view_layers.xml
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2011 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.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="horizontal"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <ListView
+        android:id="@+id/list1"
+        android:layout_width="0dip"
+        android:layout_height="match_parent"
+        android:layout_weight="1" />
+
+    <ListView
+        android:id="@+id/list2"
+        android:layout_width="0dip"
+        android:layout_height="match_parent"
+        android:layout_weight="1" />
+
+    <ListView
+        android:id="@+id/list3"
+        android:layout_width="0dip"
+        android:layout_height="match_parent"
+        android:layout_weight="1" />
+
+</LinearLayout>