Added RenderEffect property on RenderNode (390d6e85) · Commits · e / os / android_frameworks_base

graphics/java/android/graphics/RenderEffect.java

0 → 100644

+145 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2020 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.graphics;

		import android.annotation.NonNull;
		import android.graphics.Shader.TileMode;

		import libcore.util.NativeAllocationRegistry;

		/**
		* Intermediate rendering step used to render drawing commands with a corresponding
		* visual effect
		*
		* @hide
		*/
		public final class RenderEffect {

		private static class RenderEffectHolder {
		public static final NativeAllocationRegistry RENDER_EFFECT_REGISTRY =
		NativeAllocationRegistry.createMalloced(
		RenderEffect.class.getClassLoader(), nativeGetFinalizer());
		}

		/**
		* Create a {@link RenderEffect} instance that will offset the drawing content
		* by the provided x and y offset.
		* @param offsetX offset along the x axis in pixels
		* @param offsetY offset along the y axis in pixels
		*/
		@NonNull
		public static RenderEffect createOffsetEffect(float offsetX, float offsetY) {
		return new RenderEffect(nativeCreateOffsetEffect(offsetX, offsetY, 0));
		}

		/**
		* Create a {@link RenderEffect} instance with the provided x and y offset
		* @param offsetX offset along the x axis in pixels
		* @param offsetY offset along the y axis in pixels
		* @param input target RenderEffect used to render in the offset coordinates.
		*/
		@NonNull
		public static RenderEffect createOffsetEffect(
		float offsetX,
		float offsetY,
		@NonNull RenderEffect input
		) {
		return new RenderEffect(nativeCreateOffsetEffect(
		offsetX,
		offsetY,
		input.getNativeInstance()
		)
		);
		}

		/**
		* Create a {@link RenderEffect} that blurs the contents of the optional input RenderEffect
		* with the specified radius along the x and y axis. If no input RenderEffect is provided
		* then all drawing commands issued with a {@link android.graphics.RenderNode} that this
		* RenderEffect is installed in will be blurred
		* @param radiusX Radius of blur along the X axis
		* @param radiusY Radius of blur along the Y axis
		* @param inputEffect Input RenderEffect that provides the content to be blurred, can be null
		* to indicate that the drawing commands on the RenderNode are to be
		* blurred instead of the input RenderEffect
		* @param edgeTreatment Policy for how to blur content near edges of the blur kernel
		*/
		@NonNull
		public static RenderEffect createBlurEffect(
		float radiusX,
		float radiusY,
		@NonNull RenderEffect inputEffect,
		@NonNull TileMode edgeTreatment
		) {
		long nativeInputEffect = inputEffect != null ? inputEffect.mNativeRenderEffect : 0;
		return new RenderEffect(
		nativeCreateBlurEffect(
		radiusX,
		radiusY,
		nativeInputEffect,
		edgeTreatment.nativeInt
		)
		);
		}

		/**
		* Create a {@link RenderEffect} that blurs the contents of the
		* {@link android.graphics.RenderNode} that this RenderEffect is installed on with the
		* specified radius along hte x and y axis.
		* @param radiusX Radius of blur along the X axis
		* @param radiusY Radius of blur along the Y axis
		* @param edgeTreatment Policy for how to blur content near edges of the blur kernel
		*/
		@NonNull
		public static RenderEffect createBlurEffect(
		float radiusX,
		float radiusY,
		@NonNull TileMode edgeTreatment
		) {
		return new RenderEffect(
		nativeCreateBlurEffect(
		radiusX,
		radiusY,
		0,
		edgeTreatment.nativeInt
		)
		);
		}

		private final long mNativeRenderEffect;

		/* only constructed from static factory methods */
		private RenderEffect(long nativeRenderEffect) {
		mNativeRenderEffect = nativeRenderEffect;
		RenderEffectHolder.RENDER_EFFECT_REGISTRY.registerNativeAllocation(
		this, mNativeRenderEffect);
		}

		/**
		* Obtain the pointer to the underlying RenderEffect to be configured
		* on a RenderNode object via {@link RenderNode#setRenderEffect(RenderEffect)}
		*/
		/* package */ long getNativeInstance() {
		return mNativeRenderEffect;
		}

		private static native long nativeCreateOffsetEffect(
		float offsetX, float offsetY, long nativeInput);
		private static native long nativeCreateBlurEffect(
		float radiusX, float radiusY, long nativeInput, int edgeTreatment);
		private static native long nativeGetFinalizer();
		}

graphics/java/android/graphics/RenderNode.java

+20 −0

Original line number	Diff line number	Diff line
		@@ -849,6 +849,23 @@ public final class RenderNode {
		return nSetAlpha(mNativeRenderNode, alpha);
		}

		/**
		* Configure the {@link android.graphics.RenderEffect} to apply to this RenderNode. This
		* will apply a visual effect to the end result of the contents of this RenderNode before
		* it is drawn into the destination. For example if
		* {@link RenderEffect#createBlurEffect(float, float, RenderEffect, Shader.TileMode)}
		* is provided, the contents will be drawn in a separate layer, then this layer will
		* be blurred when this RenderNode is drawn into the destination.
		* @param renderEffect to be applied to the RenderNode. Passing null clears all previously
		* configured RenderEffects
		*
		* @hide
		*/
		public void setRenderEffect(@Nullable RenderEffect renderEffect) {
		nSetRenderEffect(mNativeRenderNode,
		renderEffect != null ? renderEffect.getNativeInstance() : 0);
		}

		/**
		* Returns the translucency level of this display list.
		*
		@@ -1654,6 +1671,9 @@ public final class RenderNode {
		@CriticalNative
		private static native boolean nSetAlpha(long renderNode, float alpha);

		@CriticalNative
		private static native void nSetRenderEffect(long renderNode, long renderEffect);

		@CriticalNative
		private static native boolean nSetHasOverlappingRendering(long renderNode,
		boolean hasOverlappingRendering);

libs/hwui/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -327,6 +327,7 @@ cc_defaults {
		"jni/PathMeasure.cpp",
		"jni/Picture.cpp",
		"jni/Shader.cpp",
		"jni/RenderEffect.cpp",
		"jni/Typeface.cpp",
		"jni/Utils.cpp",
		"jni/YuvToJpegEncoder.cpp",

libs/hwui/RenderProperties.cpp

+7 −0

Original line number	Diff line number	Diff line
		@@ -49,6 +49,12 @@ bool LayerProperties::setColorFilter(SkColorFilter* filter) {
		return true;
		}

		bool LayerProperties::setImageFilter(SkImageFilter* imageFilter) {
		if(mImageFilter.get() == imageFilter) return false;
		mImageFilter = sk_ref_sp(imageFilter);
		return true;
		}

		bool LayerProperties::setFromPaint(const SkPaint* paint) {
		bool changed = false;
		changed \|= setAlpha(static_cast<uint8_t>(PaintUtils::getAlphaDirect(paint)));
		@@ -63,6 +69,7 @@ LayerProperties& LayerProperties::operator=(const LayerProperties& other) {
		setAlpha(other.alpha());
		setXferMode(other.xferMode());
		setColorFilter(other.getColorFilter());
		setImageFilter(other.getImageFilter());
		return *this;
		}

libs/hwui/RenderProperties.h

+7 −0

Original line number	Diff line number	Diff line
		@@ -27,6 +27,7 @@
		#include "utils/PaintUtils.h"

		#include <SkBlendMode.h>
		#include <SkImageFilter.h>
		#include <SkCamera.h>
		#include <SkColor.h>
		#include <SkMatrix.h>
		@@ -93,6 +94,10 @@ public:

		SkColorFilter* getColorFilter() const { return mColorFilter.get(); }

		bool setImageFilter(SkImageFilter* imageFilter);

		SkImageFilter* getImageFilter() const { return mImageFilter.get(); }

		// Sets alpha, xfermode, and colorfilter from an SkPaint
		// paint may be NULL, in which case defaults will be set
		bool setFromPaint(const SkPaint* paint);
		@@ -118,6 +123,7 @@ private:
		uint8_t mAlpha;
		SkBlendMode mMode;
		sk_sp<SkColorFilter> mColorFilter;
		sk_sp<SkImageFilter> mImageFilter;
		};

		/*
		@@ -541,6 +547,7 @@ public:
		bool promotedToLayer() const {
		return mLayerProperties.mType == LayerType::None && fitsOnLayer() &&
		(mComputedFields.mNeedLayerForFunctors \|\|
		mLayerProperties.mImageFilter != nullptr \|\|
		(!MathUtils::isZero(mPrimitiveFields.mAlpha) && mPrimitiveFields.mAlpha < 1 &&
		mPrimitiveFields.mHasOverlappingRendering));
		}