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
diff --git a/api/current.xml b/api/current.xml
index 610542d..f7721c4 100644
--- a/api/current.xml
+++ b/api/current.xml
@@ -5900,6 +5900,17 @@
visibility="public"
>
</field>
+<field name="layerType"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="16843606"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
<field name="layout"
type="int"
transient="false"
@@ -213314,6 +213325,17 @@
visibility="public"
>
</method>
+<method name="getLayerType"
+ return="int"
+ abstract="false"
+ native="false"
+ synchronized="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</method>
<method name="getLayoutParams"
return="android.view.ViewGroup.LayoutParams"
abstract="false"
@@ -215816,6 +215838,21 @@
<parameter name="keepScreenOn" type="boolean">
</parameter>
</method>
+<method name="setLayerType"
+ return="void"
+ abstract="false"
+ native="false"
+ synchronized="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+<parameter name="layerType" type="int">
+</parameter>
+<parameter name="paint" type="android.graphics.Paint">
+</parameter>
+</method>
<method name="setLayoutParams"
return="void"
abstract="false"
@@ -216903,6 +216940,39 @@
visibility="public"
>
</field>
+<field name="LAYER_TYPE_HARDWARE"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="2"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="LAYER_TYPE_NONE"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="0"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="LAYER_TYPE_SOFTWARE"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="1"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
<field name="MEASURED_HEIGHT_STATE_SHIFT"
type="int"
transient="false"
diff --git a/core/java/android/view/GLES20Canvas.java b/core/java/android/view/GLES20Canvas.java
index 311002c..04a521e 100644
--- a/core/java/android/view/GLES20Canvas.java
+++ b/core/java/android/view/GLES20Canvas.java
@@ -127,7 +127,11 @@
@Override
protected void finalize() throws Throwable {
- replaceNativeObject(0);
+ try {
+ replaceNativeObject(0);
+ } finally {
+ super.finalize();
+ }
}
}
@@ -395,8 +399,11 @@
@Override
public int saveLayer(float left, float top, float right, float bottom, Paint paint,
int saveFlags) {
- int nativePaint = paint == null ? 0 : paint.mNativePaint;
- return nSaveLayer(mRenderer, left, top, right, bottom, nativePaint, saveFlags);
+ boolean hasColorFilter = paint != null && setupColorFilter(paint);
+ final int nativePaint = paint == null ? 0 : paint.mNativePaint;
+ int count = nSaveLayer(mRenderer, left, top, right, bottom, nativePaint, saveFlags);
+ if (hasColorFilter) nResetModifiers(mRenderer);
+ return count;
}
private native int nSaveLayer(int renderer, float left, float top, float right, float bottom,
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 4c62358..38777ec 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -58,7 +58,6 @@
import android.util.Pools;
import android.util.SparseArray;
import android.view.ContextMenu.ContextMenuInfo;
-import android.view.View.MeasureSpec;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityEventSource;
import android.view.accessibility.AccessibilityManager;
@@ -546,6 +545,10 @@
* subtree rooted by that node. When an animation is started, the framework will
* take care of redrawing the appropriate views until the animation completes.
* </p>
+ * <p>
+ * Starting with Android 3.0, the preferred way of animating views is to use the
+ * {@link android.animation} package APIs.
+ * </p>
*
* <a name="Security"></a>
* <h3>Security</h3>
@@ -569,6 +572,7 @@
* See also {@link MotionEvent#FLAG_WINDOW_IS_OBSCURED}.
* </p>
*
+ * @attr ref android.R.styleable#View_alpha
* @attr ref android.R.styleable#View_background
* @attr ref android.R.styleable#View_clickable
* @attr ref android.R.styleable#View_contentDescription
@@ -584,6 +588,7 @@
* @attr ref android.R.styleable#View_focusableInTouchMode
* @attr ref android.R.styleable#View_hapticFeedbackEnabled
* @attr ref android.R.styleable#View_keepScreenOn
+ * @attr ref android.R.styleable#View_layerType
* @attr ref android.R.styleable#View_longClickable
* @attr ref android.R.styleable#View_minHeight
* @attr ref android.R.styleable#View_minWidth
@@ -2152,6 +2157,69 @@
public static final int SCROLLBAR_POSITION_RIGHT = 2;
/**
+ * Indicates that the view does not have a layer.
+ *
+ * @see #getLayerType()
+ * @see #setLayerType(int, android.graphics.Paint)
+ * @see #LAYER_TYPE_SOFTWARE
+ * @see #LAYER_TYPE_HARDWARE
+ */
+ public static final int LAYER_TYPE_NONE = 0;
+
+ /**
+ * <p>Indicates that the view has a software layer. A software layer is backed
+ * by a bitmap and causes the view to be rendered using Android's software
+ * rendering pipeline, even if hardware acceleration is enabled.</p>
+ *
+ * <p>Software layers have various usages:</p>
+ * <p>When the application is not using hardware acceleration, a software layer
+ * is useful to apply a specific color filter and/or blending mode and/or
+ * translucency to a view and all its children.</p>
+ * <p>When the application is using hardware acceleration, a software layer
+ * is useful to render drawing primitives not supported by the hardware
+ * accelerated pipeline. It can also be used to cache a complex view tree
+ * into a texture and reduce the complexity of drawing operations. For instance,
+ * when animating a complex view tree with a translation, a software layer can
+ * be used to render the view tree only once.</p>
+ * <p>Software layers should be avoided when the affected view tree updates
+ * often. Every update will require to re-render the software layer, which can
+ * potentially be slow (particularly when hardware acceleration is turned on
+ * since the layer will have to be uploaded into a hardware texture after every
+ * update.)</p>
+ *
+ * @see #getLayerType()
+ * @see #setLayerType(int, android.graphics.Paint)
+ * @see #LAYER_TYPE_NONE
+ * @see #LAYER_TYPE_HARDWARE
+ */
+ public static final int LAYER_TYPE_SOFTWARE = 1;
+
+ /**
+ * <p>Indicates that the view has a hardware layer. A hardware layer is backed
+ * by a hardware specific texture (generally Frame Buffer Objects or FBO on
+ * OpenGL hardware) and causes the view to be rendered using Android's hardware
+ * rendering pipeline, but only if hardware acceleration is turned on for the
+ * view hierarchy. When hardware acceleration is turned off, hardware layers
+ * behave exactly as {@link #LAYER_TYPE_SOFTWARE software layers}.</p>
+ *
+ * <p>A hardware layer is useful to apply a specific color filter and/or
+ * blending mode and/or translucency to a view and all its children.</p>
+ * <p>A hardware layer can also be used to increase the rendering quality when
+ * rotation transformations are applied on a view. It can also be used to
+ * prevent potential clipping issues when applying 3D transforms on a view.</p>
+ *
+ * @see #getLayerType()
+ * @see #setLayerType(int, android.graphics.Paint)
+ * @see #LAYER_TYPE_NONE
+ * @see #LAYER_TYPE_SOFTWARE
+ */
+ public static final int LAYER_TYPE_HARDWARE = 2;
+
+ @ViewDebug.ExportedProperty(category = "drawing")
+ int mLayerType = LAYER_TYPE_NONE;
+ Paint mLayerPaint;
+
+ /**
* Simple constructor to use when creating a view from code.
*
* @param context The Context the view is running in, through which it can
@@ -2489,6 +2557,9 @@
case R.styleable.View_verticalScrollbarPosition:
mVerticalScrollbarPosition = a.getInt(attr, SCROLLBAR_POSITION_DEFAULT);
break;
+ case R.styleable.View_layerType:
+ setLayerType(a.getInt(attr, LAYER_TYPE_NONE), null);
+ break;
}
}
@@ -5763,11 +5834,18 @@
}
/**
- * Sets the opacity of the view. This is a value from 0 to 1, where 0 means the view is
- * completely transparent and 1 means the view is completely opaque.
+ * <p>Sets the opacity of the view. This is a value from 0 to 1, where 0 means the view is
+ * completely transparent and 1 means the view is completely opaque.</p>
+ *
+ * <p>If this view overrides {@link #onSetAlpha(int)} to return true, then this view is
+ * responsible for applying the opacity itself. Otherwise, calling this method is
+ * equivalent to calling {@link #setLayerType(int, android.graphics.Paint)} and
+ * setting a hardware layer.</p>
*
* @param alpha The opacity of the view.
*
+ * @see #setLayerType(int, android.graphics.Paint)
+ *
* @attr ref android.R.styleable#View_alpha
*/
public void setAlpha(float alpha) {
@@ -7747,18 +7825,107 @@
}
/**
+ * <p>Specifies the type of layer backing this view. The layer can be
+ * {@link #LAYER_TYPE_NONE disabled}, {@link #LAYER_TYPE_SOFTWARE software} or
+ * {@link #LAYER_TYPE_HARDWARE hardware}.</p>
+ *
+ * <p>A layer is associated with an optional {@link android.graphics.Paint}
+ * instance that controls how the layer is composed on screen. The following
+ * properties of the paint are taken into account when composing the layer:</p>
+ * <ul>
+ * <li>{@link android.graphics.Paint#getAlpha() Translucency (alpha)}</li>
+ * <li>{@link android.graphics.Paint#getXfermode() Blending mode}</li>
+ * <li>{@link android.graphics.Paint#getColorFilter() Color filter}</li>
+ * </ul>
+ *
+ * <p>If this view has an alpha value set to < 1.0 by calling
+ * {@link #setAlpha(float)}, the alpha value of the layer's paint is replaced by
+ * this view's alpha value. Calling {@link #setAlpha(float)} is therefore
+ * equivalent to setting a hardware layer on this view and providing a paint with
+ * the desired alpha value.<p>
+ *
+ * <p>Refer to the documentation of {@link #LAYER_TYPE_NONE disabled},
+ * {@link #LAYER_TYPE_SOFTWARE software} and {@link #LAYER_TYPE_HARDWARE hardware}
+ * for more information on when and how to use layers.</p>
+ *
+ * @param layerType The ype of layer to use with this view, must be one of
+ * {@link #LAYER_TYPE_NONE}, {@link #LAYER_TYPE_SOFTWARE} or
+ * {@link #LAYER_TYPE_HARDWARE}
+ * @param paint The paint used to compose the layer. This argument is optional
+ * and can be null. It is ignored when the layer type is
+ * {@link #LAYER_TYPE_NONE}
+ *
+ * @see #getLayerType()
+ * @see #LAYER_TYPE_NONE
+ * @see #LAYER_TYPE_SOFTWARE
+ * @see #LAYER_TYPE_HARDWARE
+ * @see #setAlpha(float)
+ *
+ * @attr ref android.R.styleable#View_layerType
+ */
+ public void setLayerType(int layerType, Paint paint) {
+ if (layerType < LAYER_TYPE_NONE || layerType > LAYER_TYPE_HARDWARE) {
+ throw new IllegalArgumentException("Layer type can only be one of: LAYER_TYPE_NONE, "
+ + "LAYER_TYPE_SOFTWARE or LAYER_TYPE_HARDWARE");
+ }
+
+ // Destroy any previous software drawing cache if needed
+ if (mLayerType == LAYER_TYPE_SOFTWARE && layerType != LAYER_TYPE_SOFTWARE) {
+ if (mDrawingCache != null) {
+ mDrawingCache.recycle();
+ mDrawingCache = null;
+ }
+
+ if (mUnscaledDrawingCache != null) {
+ mUnscaledDrawingCache.recycle();
+ mUnscaledDrawingCache = null;
+ }
+ }
+
+ mLayerType = layerType;
+ mLayerPaint = mLayerType == LAYER_TYPE_NONE ? null : paint;
+
+ invalidate();
+ }
+
+ /**
+ * Indicates what type of layer is currently associated with this view. By default
+ * a view does not have a layer, and the layer type is {@link #LAYER_TYPE_NONE}.
+ * Refer to the documentation of {@link #setLayerType(int, android.graphics.Paint)}
+ * for more information on the different types of layers.
+ *
+ * @return {@link #LAYER_TYPE_NONE}, {@link #LAYER_TYPE_SOFTWARE} or
+ * {@link #LAYER_TYPE_HARDWARE}
+ *
+ * @see #setLayerType(int, android.graphics.Paint)
+ * @see #LAYER_TYPE_NONE
+ * @see #LAYER_TYPE_SOFTWARE
+ * @see #LAYER_TYPE_HARDWARE
+ */
+ public int getLayerType() {
+ return mLayerType;
+ }
+
+ /**
* <p>Enables or disables the drawing cache. When the drawing cache is enabled, the next call
* to {@link #getDrawingCache()} or {@link #buildDrawingCache()} will draw the view in a
* bitmap. Calling {@link #draw(android.graphics.Canvas)} will not draw from the cache when
* the cache is enabled. To benefit from the cache, you must request the drawing cache by
* calling {@link #getDrawingCache()} and draw it on screen if the returned bitmap is not
* null.</p>
+ *
+ * <p>Enabling the drawing cache is similar to
+ * {@link #setLayerType(int, android.graphics.Paint) setting a layer} when hardware
+ * acceleration is turned off. When hardware acceleration is turned on enabling the
+ * drawing cache has either no effect or the cache used at drawing time is not a bitmap.
+ * This API can however be used to manually generate a bitmap copy of this view.</p>
*
* @param enabled true to enable the drawing cache, false otherwise
*
* @see #isDrawingCacheEnabled()
* @see #getDrawingCache()
* @see #buildDrawingCache()
+ * @see #setLayerType(int, android.graphics.Paint)
*/
public void setDrawingCacheEnabled(boolean enabled) {
setFlags(enabled ? DRAWING_CACHE_ENABLED : 0, DRAWING_CACHE_ENABLED);
@@ -8077,7 +8244,8 @@
canvas.translate(-mScrollX, -mScrollY);
mPrivateFlags |= DRAWN;
- if (mAttachInfo == null || !mAttachInfo.mHardwareAccelerated) {
+ if (mAttachInfo == null || !mAttachInfo.mHardwareAccelerated ||
+ mLayerType != LAYER_TYPE_NONE) {
mPrivateFlags |= DRAWING_CACHE_VALID;
}
diff --git a/core/java/android/view/ViewGroup.java b/core/java/android/view/ViewGroup.java
index 5138442..82cf753 100644
--- a/core/java/android/view/ViewGroup.java
+++ b/core/java/android/view/ViewGroup.java
@@ -2175,11 +2175,15 @@
boolean concatMatrix = false;
boolean scalingRequired = false;
- boolean caching = false;
+ boolean caching;
+ final int layerType = child.getLayerType();
+
if ((flags & FLAG_CHILDREN_DRAWN_WITH_CACHE) == FLAG_CHILDREN_DRAWN_WITH_CACHE ||
(flags & FLAG_ALWAYS_DRAWN_WITH_CACHE) == FLAG_ALWAYS_DRAWN_WITH_CACHE) {
caching = true;
if (mAttachInfo != null) scalingRequired = mAttachInfo.mScalingRequired;
+ } else {
+ caching = layerType != LAYER_TYPE_NONE;
}
if (a != null) {
@@ -2270,9 +2274,17 @@
Bitmap cache = null;
if (caching) {
if (!canvas.isHardwareAccelerated()) {
+ if (layerType != LAYER_TYPE_NONE) {
+ child.buildDrawingCache(true);
+ }
cache = child.getDrawingCache(true);
} else {
- displayList = child.getDisplayList();
+ if (layerType == LAYER_TYPE_SOFTWARE) {
+ child.buildDrawingCache(true);
+ cache = child.getDrawingCache(true);
+ } else {
+ displayList = child.getDisplayList();
+ }
}
}
@@ -2290,6 +2302,8 @@
canvas.scale(scale, scale);
}
}
+
+ boolean layerSaved = false;
if (transformToApply != null || alpha < 1.0f || !child.hasIdentityMatrix()) {
if (transformToApply != null || !childHasIdentityMatrix) {
@@ -2331,12 +2345,24 @@
final int multipliedAlpha = (int) (255 * alpha);
if (!child.onSetAlpha(multipliedAlpha)) {
int layerFlags = Canvas.HAS_ALPHA_LAYER_SAVE_FLAG;
- if ((flags & FLAG_CLIP_CHILDREN) == FLAG_CLIP_CHILDREN) {
+ if ((flags & FLAG_CLIP_CHILDREN) == FLAG_CLIP_CHILDREN ||
+ layerType != LAYER_TYPE_NONE) {
layerFlags |= Canvas.CLIP_TO_LAYER_SAVE_FLAG;
}
- canvas.saveLayerAlpha(sx, sy, sx + cr - cl, sy + cb - ct, multipliedAlpha,
- layerFlags);
+ if (layerType != LAYER_TYPE_NONE && child.mLayerPaint != null) {
+ child.mLayerPaint.setAlpha(multipliedAlpha);
+ canvas.saveLayer(sx, sy, sx + cr - cl, sy + cb - ct,
+ child.mLayerPaint, layerFlags);
+ } else {
+ canvas.saveLayerAlpha(sx, sy, sx + cr - cl, sy + cb - ct,
+ multipliedAlpha, layerFlags);
+ }
+ layerSaved = true;
} else {
+ // Alpha is handled by the child directly, clobber the layer's alpha
+ if (layerType != LAYER_TYPE_NONE && child.mLayerPaint != null) {
+ child.mLayerPaint.setAlpha(255);
+ }
child.mPrivateFlags |= ALPHA_SET;
}
}
@@ -2359,6 +2385,10 @@
}
if (hasNoCache) {
+ if (!layerSaved && layerType == LAYER_TYPE_HARDWARE) {
+ canvas.saveLayer(sx, sy, sx + cr - cl, sy + cb - ct, child.mLayerPaint,
+ Canvas.HAS_ALPHA_LAYER_SAVE_FLAG | Canvas.CLIP_TO_LAYER_SAVE_FLAG);
+ }
if (!hasDisplayList) {
// Fast path for layouts with no backgrounds
if ((child.mPrivateFlags & SKIP_DRAW) == SKIP_DRAW) {
@@ -2376,13 +2406,22 @@
}
} else if (cache != null) {
child.mPrivateFlags &= ~DIRTY_MASK;
- final Paint cachePaint = mCachePaint;
- if (alpha < 1.0f) {
- cachePaint.setAlpha((int) (alpha * 255));
- mGroupFlags |= FLAG_ALPHA_LOWER_THAN_ONE;
- } else if ((flags & FLAG_ALPHA_LOWER_THAN_ONE) == FLAG_ALPHA_LOWER_THAN_ONE) {
- cachePaint.setAlpha(255);
- mGroupFlags &= ~FLAG_ALPHA_LOWER_THAN_ONE;
+ Paint cachePaint;
+
+ if (layerType == LAYER_TYPE_NONE || child.mLayerPaint == null) {
+ cachePaint = mCachePaint;
+ if (alpha < 1.0f) {
+ cachePaint.setAlpha((int) (alpha * 255));
+ mGroupFlags |= FLAG_ALPHA_LOWER_THAN_ONE;
+ } else if ((flags & FLAG_ALPHA_LOWER_THAN_ONE) == FLAG_ALPHA_LOWER_THAN_ONE) {
+ cachePaint.setAlpha(255);
+ mGroupFlags &= ~FLAG_ALPHA_LOWER_THAN_ONE;
+ }
+ } else {
+ cachePaint = child.mLayerPaint;
+ if (alpha < 1.0f) {
+ cachePaint.setAlpha((int) (alpha * 255));
+ }
}
canvas.drawBitmap(cache, 0.0f, 0.0f, cachePaint);
}
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index 14c8f46..f909bd6 100755
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -1784,6 +1784,22 @@
<!-- Place the scroll bar on the right. -->
<enum name="right" value="2" />
</attr>
+
+ <!-- Specifies the type of layer backing this view. The default value is none.
+ Refer to {@link android.view.View#setLayerType(int, android.graphics.Paint)
+ for more information.-->
+ <attr name="layerType">
+ <!-- Don't use a layer. -->
+ <enum name="none" value="0" />
+ <!-- Use a software layer. Refer to
+ {@link android.view.View#setLayerType(int, android.graphics.Paint) for
+ more information. -->
+ <enum name="software" value="1" />
+ <!-- Use a hardware layer. Refer to
+ {@link android.view.View#setLayerType(int, android.graphics.Paint) for
+ more information. -->
+ <enum name="hardware" value="2" />
+ </attr>
</declare-styleable>
<!-- Attributes that can be used with a {@link android.view.ViewGroup} or any
diff --git a/core/res/res/values/public.xml b/core/res/res/values/public.xml
index 9daba4b..0ce351c 100644
--- a/core/res/res/values/public.xml
+++ b/core/res/res/values/public.xml
@@ -1420,6 +1420,7 @@
<public type="attr" name="editTextColor" />
<public type="attr" name="editTextBackground" />
<public type="attr" name="horizontalScrollViewStyle" />
+ <public type="attr" name="layerType" />
<!-- A simple fade-in animation. -->
<public type="animator" name="fade_in" id="0x010b0000" />
diff --git a/libs/hwui/Layer.h b/libs/hwui/Layer.h
index a780183..7d54d3b 100644
--- a/libs/hwui/Layer.h
+++ b/libs/hwui/Layer.h
@@ -26,6 +26,7 @@
#include <SkXfermode.h>
#include "Rect.h"
+#include "SkiaColorFilter.h"
namespace android {
namespace uirenderer {
@@ -93,6 +94,11 @@
* have been drawn.
*/
Region region;
+
+ /**
+ * Color filter used to draw this layer. Optional.
+ */
+ SkiaColorFilter* colorFilter;
}; // struct Layer
}; // namespace uirenderer
diff --git a/libs/hwui/LayerCache.cpp b/libs/hwui/LayerCache.cpp
index 9ce0359..ec186a4 100644
--- a/libs/hwui/LayerCache.cpp
+++ b/libs/hwui/LayerCache.cpp
@@ -102,6 +102,7 @@
layer->blend = true;
layer->empty = true;
layer->fbo = 0;
+ layer->colorFilter = NULL;
glGenTextures(1, &layer->texture);
glBindTexture(GL_TEXTURE_2D, layer->texture);
diff --git a/libs/hwui/OpenGLRenderer.cpp b/libs/hwui/OpenGLRenderer.cpp
index eec8d8c..9613c5f 100644
--- a/libs/hwui/OpenGLRenderer.cpp
+++ b/libs/hwui/OpenGLRenderer.cpp
@@ -406,6 +406,7 @@
layer->layer.set(bounds);
layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->height),
bounds.getWidth() / float(layer->width), 0.0f);
+ layer->colorFilter = mColorFilter;
// Save the layer in the snapshot
snapshot->flags |= Snapshot::kFlagIsLayer;
@@ -459,7 +460,6 @@
snapshot->flags |= Snapshot::kFlagIsFboLayer;
snapshot->fbo = layer->fbo;
snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f);
- //snapshot->resetClip(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight());
snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom);
snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight());
snapshot->height = bounds.getHeight();
@@ -544,7 +544,13 @@
// drawing only the dirty region
if (fboLayer) {
dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform);
+ if (layer->colorFilter) {
+ setupColorFilter(layer->colorFilter);
+ }
composeLayerRegion(layer, rect);
+ if (layer->colorFilter) {
+ resetColorFilter();
+ }
} else {
dirtyLayer(rect.left, rect.top, rect.right, rect.bottom);
composeLayerRect(layer, rect, true);
diff --git a/tests/HwAccelerationTest/AndroidManifest.xml b/tests/HwAccelerationTest/AndroidManifest.xml
index c14988c..0fdc030 100644
--- a/tests/HwAccelerationTest/AndroidManifest.xml
+++ b/tests/HwAccelerationTest/AndroidManifest.xml
@@ -25,6 +25,15 @@
android:hardwareAccelerated="true">
<activity
+ android:name="ViewLayersActivity"
+ android:label="_ViewLayers">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+ <category android:name="android.intent.category.LAUNCHER" />
+ </intent-filter>
+ </activity>
+
+ <activity
android:name="AlphaLayersActivity"
android:label="_αLayers">
<intent-filter>
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>
diff --git a/tests/HwAccelerationTest/src/com/android/test/hwui/ViewLayersActivity.java b/tests/HwAccelerationTest/src/com/android/test/hwui/ViewLayersActivity.java
new file mode 100644
index 0000000..359447d
--- /dev/null
+++ b/tests/HwAccelerationTest/src/com/android/test/hwui/ViewLayersActivity.java
@@ -0,0 +1,158 @@
+/*
+ * 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.
+ */
+
+package com.android.test.hwui;
+
+import android.animation.ObjectAnimator;
+import android.app.Activity;
+import android.content.Context;
+import android.content.res.Resources;
+import android.graphics.Paint;
+import android.graphics.PorterDuff;
+import android.graphics.PorterDuffColorFilter;
+import android.os.Bundle;
+import android.util.DisplayMetrics;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+import android.widget.TextView;
+
+@SuppressWarnings({"UnusedDeclaration"})
+public class ViewLayersActivity extends Activity {
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+
+ setContentView(R.layout.view_layers);
+
+ setupList(R.id.list1);
+ setupList(R.id.list2);
+ setupList(R.id.list3);
+
+ getWindow().getDecorView().postDelayed(new Runnable() {
+ @Override
+ public void run() {
+ final View leftList = findViewById(R.id.list1);
+ final View middleList = findViewById(R.id.list2);
+ final View rightList = findViewById(R.id.list3);
+
+ final ObjectAnimator moveRight = ObjectAnimator.ofFloat(leftList,
+ "x", 0, rightList.getLeft());
+ moveRight.setDuration(1500);
+ moveRight.setRepeatCount(ObjectAnimator.INFINITE);
+ moveRight.setRepeatMode(ObjectAnimator.REVERSE);
+
+ final ObjectAnimator moveLeft = ObjectAnimator.ofFloat(rightList,
+ "x", rightList.getLeft(), 0);
+ moveLeft.setDuration(1500);
+ moveLeft.setRepeatCount(ObjectAnimator.INFINITE);
+ moveLeft.setRepeatMode(ObjectAnimator.REVERSE);
+
+ final ObjectAnimator rotate = ObjectAnimator.ofFloat(middleList,
+ "rotationY", 0, 360);
+ rotate.setDuration(3000);
+ rotate.setRepeatCount(ObjectAnimator.INFINITE);
+ rotate.setRepeatMode(ObjectAnimator.REVERSE);
+
+ Paint p = new Paint();
+ p.setColorFilter(new PorterDuffColorFilter(0xffff0000, PorterDuff.Mode.MULTIPLY));
+
+ Paint p2 = new Paint();
+ p2.setAlpha(127);
+
+ Paint p3 = new Paint();
+ p3.setColorFilter(new PorterDuffColorFilter(0xff00ff00, PorterDuff.Mode.MULTIPLY));
+
+ leftList.setLayerType(View.LAYER_TYPE_SOFTWARE, p);
+ leftList.setAlpha(0.5f);
+ middleList.setLayerType(View.LAYER_TYPE_HARDWARE, p3);
+ middleList.setAlpha(0.5f);
+ rightList.setLayerType(View.LAYER_TYPE_SOFTWARE, p2);
+
+ moveRight.start();
+ moveLeft.start();
+ rotate.start();
+ }
+ }, 2000);
+ }
+
+ private void setupList(int listId) {
+ final ListView list = (ListView) findViewById(listId);
+ list.setAdapter(new SimpleListAdapter(this));
+ }
+
+ private static class SimpleListAdapter extends ArrayAdapter<String> {
+ public SimpleListAdapter(Context context) {
+ super(context, android.R.layout.simple_list_item_1, DATA_LIST);
+ }
+
+ @Override
+ public View getView(int position, View convertView, ViewGroup parent) {
+ TextView v = (TextView) super.getView(position, convertView, parent);
+ final Resources r = getContext().getResources();
+ final DisplayMetrics metrics = r.getDisplayMetrics();
+ v.setCompoundDrawablePadding((int) (6 * metrics.density + 0.5f));
+ v.setCompoundDrawablesWithIntrinsicBounds(r.getDrawable(R.drawable.icon),
+ null, null, null);
+ return v;
+ }
+ }
+
+ private static final String[] DATA_LIST = {
+ "Afghanistan", "Albania", "Algeria", "American Samoa", "Andorra",
+ "Angola", "Anguilla", "Antarctica", "Antigua and Barbuda", "Argentina",
+ "Armenia", "Aruba", "Australia", "Austria", "Azerbaijan",
+ "Bahrain", "Bangladesh", "Barbados", "Belarus", "Belgium",
+ "Belize", "Benin", "Bermuda", "Bhutan", "Bolivia",
+ "Bosnia and Herzegovina", "Botswana", "Bouvet Island", "Brazil",
+ "British Indian Ocean Territory", "British Virgin Islands", "Brunei", "Bulgaria",
+ "Burkina Faso", "Burundi", "Cote d'Ivoire", "Cambodia", "Cameroon", "Canada", "Cape Verde",
+ "Cayman Islands", "Central African Republic", "Chad", "Chile", "China",
+ "Christmas Island", "Cocos (Keeling) Islands", "Colombia", "Comoros", "Congo",
+ "Cook Islands", "Costa Rica", "Croatia", "Cuba", "Cyprus", "Czech Republic",
+ "Democratic Republic of the Congo", "Denmark", "Djibouti", "Dominica", "Dominican Republic",
+ "East Timor", "Ecuador", "Egypt", "El Salvador", "Equatorial Guinea", "Eritrea",
+ "Estonia", "Ethiopia", "Faeroe Islands", "Falkland Islands", "Fiji", "Finland",
+ "Former Yugoslav Republic of Macedonia", "France", "French Guiana", "French Polynesia",
+ "French Southern Territories", "Gabon", "Georgia", "Germany", "Ghana", "Gibraltar",
+ "Greece", "Greenland", "Grenada", "Guadeloupe", "Guam", "Guatemala", "Guinea", "Guinea-Bissau",
+ "Guyana", "Haiti", "Heard Island and McDonald Islands", "Honduras", "Hong Kong", "Hungary",
+ "Iceland", "India", "Indonesia", "Iran", "Iraq", "Ireland", "Israel", "Italy", "Jamaica",
+ "Japan", "Jordan", "Kazakhstan", "Kenya", "Kiribati", "Kuwait", "Kyrgyzstan", "Laos",
+ "Latvia", "Lebanon", "Lesotho", "Liberia", "Libya", "Liechtenstein", "Lithuania", "Luxembourg",
+ "Macau", "Madagascar", "Malawi", "Malaysia", "Maldives", "Mali", "Malta", "Marshall Islands",
+ "Martinique", "Mauritania", "Mauritius", "Mayotte", "Mexico", "Micronesia", "Moldova",
+ "Monaco", "Mongolia", "Montserrat", "Morocco", "Mozambique", "Myanmar", "Namibia",
+ "Nauru", "Nepal", "Netherlands", "Netherlands Antilles", "New Caledonia", "New Zealand",
+ "Nicaragua", "Niger", "Nigeria", "Niue", "Norfolk Island", "North Korea", "Northern Marianas",
+ "Norway", "Oman", "Pakistan", "Palau", "Panama", "Papua New Guinea", "Paraguay", "Peru",
+ "Philippines", "Pitcairn Islands", "Poland", "Portugal", "Puerto Rico", "Qatar",
+ "Reunion", "Romania", "Russia", "Rwanda", "Sqo Tome and Principe", "Saint Helena",
+ "Saint Kitts and Nevis", "Saint Lucia", "Saint Pierre and Miquelon",
+ "Saint Vincent and the Grenadines", "Samoa", "San Marino", "Saudi Arabia", "Senegal",
+ "Seychelles", "Sierra Leone", "Singapore", "Slovakia", "Slovenia", "Solomon Islands",
+ "Somalia", "South Africa", "South Georgia and the South Sandwich Islands", "South Korea",
+ "Spain", "Sri Lanka", "Sudan", "Suriname", "Svalbard and Jan Mayen", "Swaziland", "Sweden",
+ "Switzerland", "Syria", "Taiwan", "Tajikistan", "Tanzania", "Thailand", "The Bahamas",
+ "The Gambia", "Togo", "Tokelau", "Tonga", "Trinidad and Tobago", "Tunisia", "Turkey",
+ "Turkmenistan", "Turks and Caicos Islands", "Tuvalu", "Virgin Islands", "Uganda",
+ "Ukraine", "United Arab Emirates", "United Kingdom",
+ "United States", "United States Minor Outlying Islands", "Uruguay", "Uzbekistan",
+ "Vanuatu", "Vatican City", "Venezuela", "Vietnam", "Wallis and Futuna", "Western Sahara",
+ "Yemen", "Yugoslavia", "Zambia", "Zimbabwe"
+ };
+}