8ecf41c61a
Also adds logic to clip temporary layers to viewport both for efficiency and to allow large ones (such as the fallback case) to fit in max texture size. Change-Id: Iee51495220f5ca1dc7e6f5fd3615db2e896efd74
683 lines
20 KiB
C++
683 lines
20 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef RENDERNODEPROPERTIES_H
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#define RENDERNODEPROPERTIES_H
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#include "Caches.h"
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#include "DeviceInfo.h"
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#include "Rect.h"
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#include "RevealClip.h"
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#include "Outline.h"
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#include "utils/MathUtils.h"
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#include <SkCamera.h>
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#include <SkMatrix.h>
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#include <SkRegion.h>
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#include <SkXfermode.h>
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#include <algorithm>
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#include <stddef.h>
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#include <vector>
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#include <cutils/compiler.h>
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#include <androidfw/ResourceTypes.h>
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#include <utils/Log.h>
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class SkBitmap;
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class SkColorFilter;
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class SkPaint;
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namespace android {
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namespace uirenderer {
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class Matrix4;
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class RenderNode;
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class RenderProperties;
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// The __VA_ARGS__ will be executed if a & b are not equal
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#define RP_SET(a, b, ...) (a != b ? (a = b, ##__VA_ARGS__, true) : false)
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#define RP_SET_AND_DIRTY(a, b) RP_SET(a, b, mPrimitiveFields.mMatrixOrPivotDirty = true)
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// Keep in sync with View.java:LAYER_TYPE_*
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enum class LayerType {
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None = 0,
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// Although we cannot build the software layer directly (must be done at
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// record time), this information is used when applying alpha.
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Software = 1,
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RenderLayer = 2,
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// TODO: LayerTypeSurfaceTexture? Maybe?
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};
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enum ClippingFlags {
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CLIP_TO_BOUNDS = 0x1 << 0,
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CLIP_TO_CLIP_BOUNDS = 0x1 << 1,
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};
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class ANDROID_API LayerProperties {
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public:
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bool setType(LayerType type) {
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if (RP_SET(mType, type)) {
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reset();
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return true;
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}
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return false;
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}
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bool setOpaque(bool opaque) {
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return RP_SET(mOpaque, opaque);
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}
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bool opaque() const {
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return mOpaque;
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}
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bool setAlpha(uint8_t alpha) {
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return RP_SET(mAlpha, alpha);
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}
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uint8_t alpha() const {
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return mAlpha;
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}
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bool setXferMode(SkXfermode::Mode mode) {
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return RP_SET(mMode, mode);
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}
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SkXfermode::Mode xferMode() const {
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return mMode;
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}
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bool setColorFilter(SkColorFilter* filter);
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SkColorFilter* colorFilter() const {
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return mColorFilter;
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}
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// Sets alpha, xfermode, and colorfilter from an SkPaint
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// paint may be NULL, in which case defaults will be set
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bool setFromPaint(const SkPaint* paint);
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bool needsBlending() const {
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return !opaque() || alpha() < 255;
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}
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LayerProperties& operator=(const LayerProperties& other);
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private:
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LayerProperties();
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~LayerProperties();
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void reset();
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// Private since external users should go through properties().effectiveLayerType()
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LayerType type() const {
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return mType;
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}
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friend class RenderProperties;
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LayerType mType = LayerType::None;
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// Whether or not that Layer's content is opaque, doesn't include alpha
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bool mOpaque;
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uint8_t mAlpha;
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SkXfermode::Mode mMode;
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SkColorFilter* mColorFilter = nullptr;
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};
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/*
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* Data structure that holds the properties for a RenderNode
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*/
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class ANDROID_API RenderProperties {
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public:
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RenderProperties();
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virtual ~RenderProperties();
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static bool setFlag(int flag, bool newValue, int* outFlags) {
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if (newValue) {
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if (!(flag & *outFlags)) {
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*outFlags |= flag;
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return true;
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}
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return false;
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} else {
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if (flag & *outFlags) {
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*outFlags &= ~flag;
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return true;
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}
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return false;
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}
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}
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/**
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* Set internal layer state based on whether this layer
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*
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* Additionally, returns true if child RenderNodes with functors will need to use a layer
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* to support clipping.
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*/
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bool prepareForFunctorPresence(bool willHaveFunctor, bool ancestorDictatesFunctorsNeedLayer) {
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// parent may have already dictated that a descendant layer is needed
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bool functorsNeedLayer = ancestorDictatesFunctorsNeedLayer
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// Round rect clipping forces layer for functors
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|| CC_UNLIKELY(getOutline().willRoundRectClip())
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|| CC_UNLIKELY(getRevealClip().willClip())
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// Complex matrices forces layer, due to stencil clipping
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|| CC_UNLIKELY(getTransformMatrix() && !getTransformMatrix()->isScaleTranslate())
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|| CC_UNLIKELY(getAnimationMatrix() && !getAnimationMatrix()->isScaleTranslate())
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|| CC_UNLIKELY(getStaticMatrix() && !getStaticMatrix()->isScaleTranslate());
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mComputedFields.mNeedLayerForFunctors = (willHaveFunctor && functorsNeedLayer);
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// If on a layer, will have consumed the need for isolating functors from stencil.
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// Thus, it's safe to reset the flag until some descendent sets it.
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return CC_LIKELY(effectiveLayerType() == LayerType::None) && functorsNeedLayer;
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}
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RenderProperties& operator=(const RenderProperties& other);
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bool setClipToBounds(bool clipToBounds) {
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return setFlag(CLIP_TO_BOUNDS, clipToBounds, &mPrimitiveFields.mClippingFlags);
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}
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bool setClipBounds(const Rect& clipBounds) {
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bool ret = setFlag(CLIP_TO_CLIP_BOUNDS, true, &mPrimitiveFields.mClippingFlags);
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return RP_SET(mPrimitiveFields.mClipBounds, clipBounds) || ret;
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}
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bool setClipBoundsEmpty() {
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return setFlag(CLIP_TO_CLIP_BOUNDS, false, &mPrimitiveFields.mClippingFlags);
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}
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bool setProjectBackwards(bool shouldProject) {
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return RP_SET(mPrimitiveFields.mProjectBackwards, shouldProject);
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}
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bool setProjectionReceiver(bool shouldReceive) {
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return RP_SET(mPrimitiveFields.mProjectionReceiver, shouldReceive);
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}
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bool isProjectionReceiver() const {
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return mPrimitiveFields.mProjectionReceiver;
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}
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bool setStaticMatrix(const SkMatrix* matrix) {
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delete mStaticMatrix;
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if (matrix) {
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mStaticMatrix = new SkMatrix(*matrix);
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} else {
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mStaticMatrix = nullptr;
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}
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return true;
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}
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// Can return NULL
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const SkMatrix* getStaticMatrix() const {
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return mStaticMatrix;
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}
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bool setAnimationMatrix(const SkMatrix* matrix) {
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delete mAnimationMatrix;
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if (matrix) {
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mAnimationMatrix = new SkMatrix(*matrix);
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} else {
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mAnimationMatrix = nullptr;
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}
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return true;
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}
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bool setAlpha(float alpha) {
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alpha = MathUtils::clampAlpha(alpha);
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return RP_SET(mPrimitiveFields.mAlpha, alpha);
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}
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float getAlpha() const {
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return mPrimitiveFields.mAlpha;
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}
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bool setHasOverlappingRendering(bool hasOverlappingRendering) {
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return RP_SET(mPrimitiveFields.mHasOverlappingRendering, hasOverlappingRendering);
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}
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bool hasOverlappingRendering() const {
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return mPrimitiveFields.mHasOverlappingRendering;
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}
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bool setElevation(float elevation) {
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return RP_SET(mPrimitiveFields.mElevation, elevation);
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// Don't dirty matrix/pivot, since they don't respect Z
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}
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float getElevation() const {
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return mPrimitiveFields.mElevation;
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}
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bool setTranslationX(float translationX) {
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return RP_SET_AND_DIRTY(mPrimitiveFields.mTranslationX, translationX);
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}
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float getTranslationX() const {
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return mPrimitiveFields.mTranslationX;
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}
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bool setTranslationY(float translationY) {
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return RP_SET_AND_DIRTY(mPrimitiveFields.mTranslationY, translationY);
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}
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float getTranslationY() const {
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return mPrimitiveFields.mTranslationY;
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}
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bool setTranslationZ(float translationZ) {
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return RP_SET(mPrimitiveFields.mTranslationZ, translationZ);
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// mMatrixOrPivotDirty not set, since matrix doesn't respect Z
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}
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float getTranslationZ() const {
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return mPrimitiveFields.mTranslationZ;
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}
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// Animation helper
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bool setX(float value) {
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return setTranslationX(value - getLeft());
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}
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// Animation helper
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float getX() const {
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return getLeft() + getTranslationX();
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}
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// Animation helper
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bool setY(float value) {
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return setTranslationY(value - getTop());
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}
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// Animation helper
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float getY() const {
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return getTop() + getTranslationY();
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}
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// Animation helper
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bool setZ(float value) {
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return setTranslationZ(value - getElevation());
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}
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float getZ() const {
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return getElevation() + getTranslationZ();
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}
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bool setRotation(float rotation) {
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return RP_SET_AND_DIRTY(mPrimitiveFields.mRotation, rotation);
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}
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float getRotation() const {
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return mPrimitiveFields.mRotation;
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}
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bool setRotationX(float rotationX) {
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return RP_SET_AND_DIRTY(mPrimitiveFields.mRotationX, rotationX);
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}
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float getRotationX() const {
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return mPrimitiveFields.mRotationX;
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}
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bool setRotationY(float rotationY) {
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return RP_SET_AND_DIRTY(mPrimitiveFields.mRotationY, rotationY);
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}
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float getRotationY() const {
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return mPrimitiveFields.mRotationY;
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}
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bool setScaleX(float scaleX) {
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return RP_SET_AND_DIRTY(mPrimitiveFields.mScaleX, scaleX);
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}
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float getScaleX() const {
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return mPrimitiveFields.mScaleX;
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}
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bool setScaleY(float scaleY) {
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return RP_SET_AND_DIRTY(mPrimitiveFields.mScaleY, scaleY);
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}
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float getScaleY() const {
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return mPrimitiveFields.mScaleY;
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}
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bool setPivotX(float pivotX) {
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if (RP_SET(mPrimitiveFields.mPivotX, pivotX)
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|| !mPrimitiveFields.mPivotExplicitlySet) {
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mPrimitiveFields.mMatrixOrPivotDirty = true;
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mPrimitiveFields.mPivotExplicitlySet = true;
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return true;
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}
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return false;
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}
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/* Note that getPivotX and getPivotY are adjusted by updateMatrix(),
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* so the value returned may be stale if the RenderProperties has been
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* modified since the last call to updateMatrix()
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*/
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float getPivotX() const {
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return mPrimitiveFields.mPivotX;
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}
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bool setPivotY(float pivotY) {
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if (RP_SET(mPrimitiveFields.mPivotY, pivotY)
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|| !mPrimitiveFields.mPivotExplicitlySet) {
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mPrimitiveFields.mMatrixOrPivotDirty = true;
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mPrimitiveFields.mPivotExplicitlySet = true;
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return true;
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}
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return false;
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}
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float getPivotY() const {
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return mPrimitiveFields.mPivotY;
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}
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bool isPivotExplicitlySet() const {
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return mPrimitiveFields.mPivotExplicitlySet;
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}
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bool setCameraDistance(float distance) {
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if (distance != getCameraDistance()) {
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mPrimitiveFields.mMatrixOrPivotDirty = true;
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mComputedFields.mTransformCamera.setCameraLocation(0, 0, distance);
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return true;
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}
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return false;
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}
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float getCameraDistance() const {
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// TODO: update getCameraLocationZ() to be const
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return const_cast<Sk3DView*>(&mComputedFields.mTransformCamera)->getCameraLocationZ();
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}
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bool setLeft(int left) {
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if (RP_SET(mPrimitiveFields.mLeft, left)) {
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mPrimitiveFields.mWidth = mPrimitiveFields.mRight - mPrimitiveFields.mLeft;
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if (!mPrimitiveFields.mPivotExplicitlySet) {
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mPrimitiveFields.mMatrixOrPivotDirty = true;
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}
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return true;
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}
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return false;
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}
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int getLeft() const {
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return mPrimitiveFields.mLeft;
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}
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bool setTop(int top) {
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if (RP_SET(mPrimitiveFields.mTop, top)) {
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mPrimitiveFields.mHeight = mPrimitiveFields.mBottom - mPrimitiveFields.mTop;
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if (!mPrimitiveFields.mPivotExplicitlySet) {
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mPrimitiveFields.mMatrixOrPivotDirty = true;
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}
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return true;
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}
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return false;
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}
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int getTop() const {
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return mPrimitiveFields.mTop;
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}
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bool setRight(int right) {
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if (RP_SET(mPrimitiveFields.mRight, right)) {
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mPrimitiveFields.mWidth = mPrimitiveFields.mRight - mPrimitiveFields.mLeft;
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if (!mPrimitiveFields.mPivotExplicitlySet) {
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mPrimitiveFields.mMatrixOrPivotDirty = true;
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}
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return true;
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}
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return false;
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}
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int getRight() const {
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return mPrimitiveFields.mRight;
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}
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bool setBottom(int bottom) {
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if (RP_SET(mPrimitiveFields.mBottom, bottom)) {
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mPrimitiveFields.mHeight = mPrimitiveFields.mBottom - mPrimitiveFields.mTop;
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if (!mPrimitiveFields.mPivotExplicitlySet) {
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mPrimitiveFields.mMatrixOrPivotDirty = true;
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}
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return true;
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}
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return false;
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}
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int getBottom() const {
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return mPrimitiveFields.mBottom;
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}
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bool setLeftTop(int left, int top) {
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bool leftResult = setLeft(left);
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bool topResult = setTop(top);
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return leftResult || topResult;
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}
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bool setLeftTopRightBottom(int left, int top, int right, int bottom) {
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if (left != mPrimitiveFields.mLeft || top != mPrimitiveFields.mTop
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|| right != mPrimitiveFields.mRight || bottom != mPrimitiveFields.mBottom) {
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mPrimitiveFields.mLeft = left;
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mPrimitiveFields.mTop = top;
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mPrimitiveFields.mRight = right;
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mPrimitiveFields.mBottom = bottom;
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mPrimitiveFields.mWidth = mPrimitiveFields.mRight - mPrimitiveFields.mLeft;
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mPrimitiveFields.mHeight = mPrimitiveFields.mBottom - mPrimitiveFields.mTop;
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if (!mPrimitiveFields.mPivotExplicitlySet) {
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mPrimitiveFields.mMatrixOrPivotDirty = true;
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}
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return true;
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}
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return false;
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}
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bool offsetLeftRight(int offset) {
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if (offset != 0) {
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mPrimitiveFields.mLeft += offset;
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mPrimitiveFields.mRight += offset;
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return true;
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}
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return false;
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}
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bool offsetTopBottom(int offset) {
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if (offset != 0) {
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mPrimitiveFields.mTop += offset;
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mPrimitiveFields.mBottom += offset;
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return true;
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}
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return false;
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}
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int getWidth() const {
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return mPrimitiveFields.mWidth;
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}
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int getHeight() const {
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return mPrimitiveFields.mHeight;
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}
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const SkMatrix* getAnimationMatrix() const {
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return mAnimationMatrix;
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}
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bool hasTransformMatrix() const {
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return getTransformMatrix() && !getTransformMatrix()->isIdentity();
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}
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// May only call this if hasTransformMatrix() is true
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bool isTransformTranslateOnly() const {
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return getTransformMatrix()->getType() == SkMatrix::kTranslate_Mask;
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}
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const SkMatrix* getTransformMatrix() const {
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LOG_ALWAYS_FATAL_IF(mPrimitiveFields.mMatrixOrPivotDirty, "Cannot get a dirty matrix!");
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return mComputedFields.mTransformMatrix;
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}
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int getClippingFlags() const {
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return mPrimitiveFields.mClippingFlags;
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}
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bool getClipToBounds() const {
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return mPrimitiveFields.mClippingFlags & CLIP_TO_BOUNDS;
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}
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const Rect& getClipBounds() const {
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return mPrimitiveFields.mClipBounds;
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}
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void getClippingRectForFlags(uint32_t flags, Rect* outRect) const {
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if (flags & CLIP_TO_BOUNDS) {
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outRect->set(0, 0, getWidth(), getHeight());
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if (flags & CLIP_TO_CLIP_BOUNDS) {
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outRect->doIntersect(mPrimitiveFields.mClipBounds);
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}
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} else {
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outRect->set(mPrimitiveFields.mClipBounds);
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}
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}
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bool getHasOverlappingRendering() const {
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return mPrimitiveFields.mHasOverlappingRendering;
|
|
}
|
|
|
|
const Outline& getOutline() const {
|
|
return mPrimitiveFields.mOutline;
|
|
}
|
|
|
|
const RevealClip& getRevealClip() const {
|
|
return mPrimitiveFields.mRevealClip;
|
|
}
|
|
|
|
bool getProjectBackwards() const {
|
|
return mPrimitiveFields.mProjectBackwards;
|
|
}
|
|
|
|
void debugOutputProperties(const int level) const;
|
|
|
|
void updateMatrix();
|
|
|
|
Outline& mutableOutline() {
|
|
return mPrimitiveFields.mOutline;
|
|
}
|
|
|
|
RevealClip& mutableRevealClip() {
|
|
return mPrimitiveFields.mRevealClip;
|
|
}
|
|
|
|
const LayerProperties& layerProperties() const {
|
|
return mLayerProperties;
|
|
}
|
|
|
|
LayerProperties& mutateLayerProperties() {
|
|
return mLayerProperties;
|
|
}
|
|
|
|
// Returns true if damage calculations should be clipped to bounds
|
|
// TODO: Figure out something better for getZ(), as children should still be
|
|
// clipped to this RP's bounds. But as we will damage -INT_MAX to INT_MAX
|
|
// for this RP's getZ() anyway, this can be optimized when we have a
|
|
// Z damage estimate instead of INT_MAX
|
|
bool getClipDamageToBounds() const {
|
|
return getClipToBounds() && (getZ() <= 0 || getOutline().isEmpty());
|
|
}
|
|
|
|
bool hasShadow() const {
|
|
return getZ() > 0.0f
|
|
&& getOutline().getPath() != nullptr
|
|
&& getOutline().getAlpha() != 0.0f;
|
|
}
|
|
|
|
bool fitsOnLayer() const {
|
|
const DeviceInfo* deviceInfo = DeviceInfo::get();
|
|
return mPrimitiveFields.mWidth <= deviceInfo->maxTextureSize()
|
|
&& mPrimitiveFields.mHeight <= deviceInfo->maxTextureSize();
|
|
}
|
|
|
|
bool promotedToLayer() const {
|
|
return mLayerProperties.mType == LayerType::None
|
|
&& fitsOnLayer()
|
|
&& (mComputedFields.mNeedLayerForFunctors
|
|
|| (!MathUtils::isZero(mPrimitiveFields.mAlpha)
|
|
&& mPrimitiveFields.mAlpha < 1
|
|
&& mPrimitiveFields.mHasOverlappingRendering));
|
|
}
|
|
|
|
LayerType effectiveLayerType() const {
|
|
return CC_UNLIKELY(promotedToLayer()) ? LayerType::RenderLayer : mLayerProperties.mType;
|
|
}
|
|
|
|
private:
|
|
// Rendering properties
|
|
struct PrimitiveFields {
|
|
int mLeft = 0, mTop = 0, mRight = 0, mBottom = 0;
|
|
int mWidth = 0, mHeight = 0;
|
|
int mClippingFlags = CLIP_TO_BOUNDS;
|
|
float mAlpha = 1;
|
|
float mTranslationX = 0, mTranslationY = 0, mTranslationZ = 0;
|
|
float mElevation = 0;
|
|
float mRotation = 0, mRotationX = 0, mRotationY = 0;
|
|
float mScaleX = 1, mScaleY = 1;
|
|
float mPivotX = 0, mPivotY = 0;
|
|
bool mHasOverlappingRendering = false;
|
|
bool mPivotExplicitlySet = false;
|
|
bool mMatrixOrPivotDirty = false;
|
|
bool mProjectBackwards = false;
|
|
bool mProjectionReceiver = false;
|
|
Rect mClipBounds;
|
|
Outline mOutline;
|
|
RevealClip mRevealClip;
|
|
} mPrimitiveFields;
|
|
|
|
SkMatrix* mStaticMatrix;
|
|
SkMatrix* mAnimationMatrix;
|
|
LayerProperties mLayerProperties;
|
|
|
|
/**
|
|
* These fields are all generated from other properties and are not set directly.
|
|
*/
|
|
struct ComputedFields {
|
|
ComputedFields();
|
|
~ComputedFields();
|
|
|
|
/**
|
|
* Stores the total transformation of the DisplayList based upon its scalar
|
|
* translate/rotate/scale properties.
|
|
*
|
|
* In the common translation-only case, the matrix isn't necessarily allocated,
|
|
* and the mTranslation properties are used directly.
|
|
*/
|
|
SkMatrix* mTransformMatrix;
|
|
|
|
Sk3DView mTransformCamera;
|
|
|
|
// Force layer on for functors to enable render features they don't yet support (clipping)
|
|
bool mNeedLayerForFunctors = false;
|
|
} mComputedFields;
|
|
};
|
|
|
|
} /* namespace uirenderer */
|
|
} /* namespace android */
|
|
|
|
#endif /* RENDERNODEPROPERTIES_H */
|