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Commit 2bc0b01f authored by Nicolas Roard's avatar Nicolas Roard
Browse files

Hack to workaround the fact that the EGL context can be 

removed from under us by framework in low memory condition.

bug:5627977
Change-Id: I3c138985e3e6c16f7c15497a1a11ffed93cd8e78
parent 030bb998

core/java/android/webkit/WebView.java

+15 −0
Original line number Diff line number Diff line
@@ -119,6 +119,11 @@ import java.util.Vector; 
import java.util.regex.Matcher;

import java.util.regex.Pattern;



import javax.microedition.khronos.egl.EGL10;

import javax.microedition.khronos.egl.EGLContext;

import javax.microedition.khronos.egl.EGLDisplay;

import static javax.microedition.khronos.egl.EGL10.*;



/**

 * <p>A View that displays web pages. This class is the basis upon which you

 * can roll your own web browser or simply display some online content within your Activity.
@@ -909,6 +914,9 @@ public class WebView extends AbsoluteLayout 
    private Rect mScrollingLayerBounds = new Rect();

    private boolean mSentAutoScrollMessage = false;



    // Temporary hack to work around the context removal upon memory pressure

    private static boolean mIncrementEGLContextHack = false;



    // used for serializing asynchronously handled touch events.

    private final TouchEventQueue mTouchEventQueue = new TouchEventQueue();
@@ -4213,6 +4221,13 @@ public class WebView extends AbsoluteLayout 
        }



        if (canvas.isHardwareAccelerated()) {

            if (mIncrementEGLContextHack == false) {

                mIncrementEGLContextHack = true;

                EGL10 egl = (EGL10) EGLContext.getEGL();

                EGLDisplay eglDisplay = egl.eglGetDisplay(EGL_DEFAULT_DISPLAY);

                int[] version = new int[2];

                egl.eglInitialize(eglDisplay, version);

            }

            mZoomManager.setHardwareAccelerated();

        }