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Commit 020efbc1 authored by Nader Jawad's avatar Nader Jawad Committed by Android (Google) Code Review
Browse files

Merge "Add a linear variant of the stretch effect" into sc-dev

parents d825a07b 8ed00dc5

libs/hwui/DamageAccumulator.cpp

+10 −0
Original line number Diff line number Diff line
@@ -150,9 +150,19 @@ static inline void applyMatrix(const SkMatrix* transform, SkRect* rect) { 
    }

}



static inline void applyMatrix(const SkMatrix& transform, SkRect* rect) {

    return applyMatrix(&transform, rect);

}



static inline void mapRect(const RenderProperties& props, const SkRect& in, SkRect* out) {

    if (in.isEmpty()) return;

    SkRect temp(in);

    if (Properties::stretchEffectBehavior == StretchEffectBehavior::LinearScale) {

        const StretchEffect& stretch = props.layerProperties().getStretchEffect();

        if (!stretch.isEmpty()) {

            applyMatrix(stretch.makeLinearStretch(props.getWidth(), props.getHeight()), &temp);

        }

    }

    applyMatrix(props.getTransformMatrix(), &temp);

    if (props.getStaticMatrix()) {

        applyMatrix(props.getStaticMatrix(), &temp);

libs/hwui/Properties.cpp

+6 −0
Original line number Diff line number Diff line
@@ -84,6 +84,8 @@ float Properties::defaultSdrWhitePoint = 200.f; 
bool Properties::useHintManager = true;

int Properties::targetCpuTimePercentage = 70;



StretchEffectBehavior Properties::stretchEffectBehavior = StretchEffectBehavior::Shader;



bool Properties::load() {

    bool prevDebugLayersUpdates = debugLayersUpdates;

    bool prevDebugOverdraw = debugOverdraw;
@@ -135,6 +137,10 @@ bool Properties::load() { 
    targetCpuTimePercentage = base::GetIntProperty(PROPERTY_TARGET_CPU_TIME_PERCENTAGE, 70);

    if (targetCpuTimePercentage <= 0 || targetCpuTimePercentage > 100) targetCpuTimePercentage = 70;



    int stretchType = base::GetIntProperty(PROPERTY_STRETCH_EFFECT_TYPE, 0);

    stretchType = std::clamp(stretchType, 0, static_cast<int>(StretchEffectBehavior::LinearScale));

    stretchEffectBehavior = static_cast<StretchEffectBehavior>(stretchType);



    return (prevDebugLayersUpdates != debugLayersUpdates) || (prevDebugOverdraw != debugOverdraw);

}

libs/hwui/Properties.h

+9 −0
Original line number Diff line number Diff line
@@ -171,6 +171,8 @@ enum DebugLevel { 
 */

#define PROPERTY_TARGET_CPU_TIME_PERCENTAGE "debug.hwui.target_cpu_time_percent"



#define PROPERTY_STRETCH_EFFECT_TYPE "debug.hwui.stretch_mode"



/**

 * Property for whether this is running in the emulator.

 */
@@ -197,6 +199,11 @@ enum class OverdrawColorSet { Default = 0, Deuteranomaly }; 


enum class RenderPipelineType { SkiaGL, SkiaVulkan, NotInitialized = 128 };



enum class StretchEffectBehavior {

    Shader,

    LinearScale,

};



/**

 * Renderthread-only singleton which manages several static rendering properties. Most of these

 * are driven by system properties which are queried once at initialization, and again if init()
@@ -270,6 +277,8 @@ public: 
    static bool useHintManager;

    static int targetCpuTimePercentage;



    static StretchEffectBehavior stretchEffectBehavior;



private:

    static ProfileType sProfileType;

    static bool sDisableProfileBars;

libs/hwui/RenderNode.cpp

+8 −0
Original line number Diff line number Diff line
@@ -477,6 +477,14 @@ void RenderNode::applyViewPropertyTransforms(mat4& matrix, bool true3dTransform) 
            }

        }

    }



    if (Properties::stretchEffectBehavior == StretchEffectBehavior::LinearScale) {

        const StretchEffect& stretch = properties().layerProperties().getStretchEffect();

        if (!stretch.isEmpty()) {

            matrix.multiply(

                    stretch.makeLinearStretch(properties().getWidth(), properties().getHeight()));

        }

    }

}



const SkPath* RenderNode::getClippedOutline(const SkRect& clipRect) const {

libs/hwui/effects/StretchEffect.h

+9 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 


#include <SkImage.h>

#include <SkImageFilter.h>

#include <SkMatrix.h>

#include <SkPoint.h>

#include <SkRect.h>

#include <SkRuntimeEffect.h>
@@ -99,6 +100,14 @@ public: 


    const SkVector getStretchDirection() const { return mStretchDirection; }



    SkMatrix makeLinearStretch(float width, float height) const {

        SkMatrix matrix;

        auto [sX, sY] = getStretchDirection();

        matrix.setScale(1 + std::abs(sX), 1 + std::abs(sY), sX > 0 ? 0 : width,

                        sY > 0 ? 0 : height);

        return matrix;

    }



private:

    static sk_sp<SkRuntimeEffect> getStretchEffect();

    mutable SkVector mStretchDirection{0, 0};