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Commit 2ccaf6a4 authored by John Reck's avatar John Reck
Browse files

Change overdraw test to use windowbackground 

Bug: 28786023

Fixes an issue where the first couple frames would
be extremely slow due to the simpleness of HWUI's
overdraw rejection optimization.

Change-Id: I1fe3d83f7e2e0eb3299124b00b9f877c2c3aebf9
parent f4ae9977

tests/UiBench/src/com/android/test/uibench/FullscreenOverdrawActivity.java

+25 −11
Original line number Diff line number Diff line
@@ -19,8 +19,11 @@ import android.animation.ObjectAnimator; 
import android.animation.ValueAnimator;

import android.content.Context;

import android.graphics.Canvas;

import android.graphics.ColorFilter;

import android.graphics.PixelFormat;

import android.graphics.Color;

import android.graphics.Paint;

import android.graphics.drawable.Drawable;

import android.os.Bundle;

import android.support.v7.app.AppCompatActivity;

import android.view.View;
@@ -31,37 +34,48 @@ import android.view.View; 
 * This should all be optimized out by the renderer.

 */

public class FullscreenOverdrawActivity extends AppCompatActivity {

    private class OverdrawView extends View {

    private class OverdrawDrawable extends Drawable {

        Paint paint = new Paint();

        int mColorValue = 0;



        public OverdrawView(Context context) {

            super(context);

        }



        @SuppressWarnings("unused")

        public void setColorValue(int colorValue) {

            mColorValue = colorValue;

            invalidate();

            invalidateSelf();

        }



        @Override

        protected void onDraw(Canvas canvas) {

        public void draw(Canvas canvas) {

            paint.setColor(Color.rgb(mColorValue, 255 - mColorValue, 255));



            for (int i = 0; i < 400; i++) {

                canvas.drawRect(0, 0, getWidth(), getHeight(), paint);

                canvas.drawRect(getBounds(), paint);

            }

        }



        @Override

        public void setAlpha(int alpha) {

        }



        @Override

        public void setColorFilter(ColorFilter colorFilter) {

        }



        @Override

        public int getOpacity() {

            return PixelFormat.OPAQUE;

        }

    }

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);



        OverdrawView overdrawView = new OverdrawView(this);

        setContentView(overdrawView);

        OverdrawDrawable overdraw = new OverdrawDrawable();

        getWindow().setBackgroundDrawable(overdraw);



        setContentView(new View(this));



        ObjectAnimator objectAnimator = ObjectAnimator.ofInt(overdrawView, "colorValue", 0, 255);

        ObjectAnimator objectAnimator = ObjectAnimator.ofInt(overdraw, "colorValue", 0, 255);

        objectAnimator.setRepeatMode(ValueAnimator.REVERSE);

        objectAnimator.setRepeatCount(ValueAnimator.INFINITE);

        objectAnimator.start();