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Commit f93e9c53 authored by Winson Chung's avatar Winson Chung
Browse files

Update code to draw into hardware bitmaps. 

Bug: 37698012
Bug: 38510859
Test: Dock task from Recents, ensure that it enters multiwindow.
Test: go/wm-smoke
Change-Id: Iaa56e9b6643d450a45d80da770a1497dc462c7c7
parent b562e539

packages/SystemUI/src/com/android/systemui/recents/views/RecentsTransitionHelper.java

+14 −6
Original line number Diff line number Diff line
@@ -37,7 +37,10 @@ import android.os.IRemoteCallback; 
import android.os.RemoteException;

import android.util.Log;

import android.view.AppTransitionAnimationSpec;

import android.view.DisplayListCanvas;

import android.view.IAppTransitionAnimationSpecsFuture;

import android.view.RenderNode;

import android.view.ThreadedRenderer;



import com.android.internal.annotations.GuardedBy;

import com.android.systemui.recents.Recents;
@@ -358,18 +361,23 @@ public class RecentsTransitionHelper { 
            b.eraseColor(Color.TRANSPARENT);

            return b;

        } else {

            Bitmap b = Bitmap.createBitmap(fromWidth, fromHeight,

                    Bitmap.Config.ARGB_8888);



            if (RecentsDebugFlags.Static.EnableTransitionThumbnailDebugMode) {

                Bitmap b = Bitmap.createBitmap(fromWidth, fromHeight, Bitmap.Config.ARGB_8888);

                b.eraseColor(0xFFff0000);

                return b.createAshmemBitmap();

            } else {

                Canvas c = new Canvas(b);



                // Create a hardware bitmap to render the TaskView into because it may be bound to a

                // snapshot that is backed by a GraphicBuffer

                RenderNode node = RenderNode.create("RecentsTransitionHelper", null);

                node.setLeftTopRightBottom(0, 0, fromWidth, fromHeight);

                node.setClipToBounds(false);

                DisplayListCanvas c = node.start(fromWidth, fromHeight);

                c.scale(scale, scale);

                taskView.draw(c);

                c.setBitmap(null);

                node.end(c);

                return ThreadedRenderer.createHardwareBitmap(node, fromWidth, fromHeight);

            }

            return b.createAshmemBitmap();

        }

    }

services/core/java/com/android/server/wm/TaskSnapshotController.java

+13 −7
Original line number Diff line number Diff line
@@ -31,6 +31,9 @@ import android.graphics.Rect; 
import android.os.Environment;

import android.os.Handler;

import android.util.ArraySet;

import android.view.DisplayListCanvas;

import android.view.RenderNode;

import android.view.ThreadedRenderer;

import android.view.WindowManager.LayoutParams;

import android.view.WindowManagerPolicy.ScreenOffListener;

import android.view.WindowManagerPolicy.StartingSurface;
@@ -238,19 +241,22 @@ class TaskSnapshotController { 
        final int color = task.getTaskDescription().getBackgroundColor();

        final int statusBarColor = task.getTaskDescription().getStatusBarColor();

        final int navigationBarColor = task.getTaskDescription().getNavigationBarColor();

        final Bitmap b = Bitmap.createBitmap(mainWindow.getFrameLw().width(),

                mainWindow.getFrameLw().height(), ARGB_8888);

        final Canvas c = new Canvas(b);

        c.drawColor(color);

        final LayoutParams attrs = mainWindow.getAttrs();

        final SystemBarBackgroundPainter decorPainter = new SystemBarBackgroundPainter(attrs.flags,

                attrs.privateFlags, attrs.systemUiVisibility, statusBarColor, navigationBarColor);

        final int width = mainWindow.getFrameLw().width();

        final int height = mainWindow.getFrameLw().height();



        final RenderNode node = RenderNode.create("TaskSnapshotController", null);

        node.setLeftTopRightBottom(0, 0, width, height);

        node.setClipToBounds(false);

        final DisplayListCanvas c = node.start(width, height);

        c.drawColor(color);

        decorPainter.setInsets(mainWindow.mContentInsets, mainWindow.mStableInsets);

        decorPainter.drawDecors(c, null /* statusBarExcludeFrame */);

        node.end(c);

        final Bitmap hwBitmap = ThreadedRenderer.createHardwareBitmap(node, width, height);



        // Flush writer.

        c.setBitmap(null);

        final Bitmap hwBitmap = b.copy(HARDWARE, false /* isMutable */);

        return new TaskSnapshot(hwBitmap.createGraphicBufferHandle(),

                topChild.getConfiguration().orientation, mainWindow.mStableInsets,

                false /* reduced */, 1.0f /* scale */);