diff options
| -rw-r--r-- | core/java/android/app/ActivityManager.java | 29 | ||||
| -rw-r--r-- | policy/src/com/android/internal/policy/impl/KeyguardViewManager.java | 8 |
2 files changed, 35 insertions, 2 deletions
diff --git a/core/java/android/app/ActivityManager.java b/core/java/android/app/ActivityManager.java index f7e5cf1..93e30af 100644 --- a/core/java/android/app/ActivityManager.java +++ b/core/java/android/app/ActivityManager.java @@ -18,6 +18,7 @@ package android.app; import com.android.internal.app.IUsageStats; import com.android.internal.os.PkgUsageStats; +import com.android.internal.util.MemInfoReader; import android.content.ComponentName; import android.content.Context; @@ -28,6 +29,7 @@ import android.content.pm.IPackageDataObserver; import android.content.res.Configuration; import android.content.res.Resources; import android.graphics.Bitmap; +import android.graphics.Point; import android.os.Debug; import android.os.Handler; import android.os.Parcel; @@ -38,6 +40,8 @@ import android.os.SystemProperties; import android.text.TextUtils; import android.util.DisplayMetrics; import android.util.Log; +import android.util.Slog; +import android.view.Display; import java.util.ArrayList; import java.util.HashMap; @@ -206,6 +210,31 @@ public class ActivityManager { } /** + * Used by persistent processes to determine if they are running on a + * higher-end device so should be okay using hardware drawing acceleration + * (which tends to consume a lot more RAM). + * @hide + */ + static public boolean isHighEndGfx(Display display) { + MemInfoReader reader = new MemInfoReader(); + reader.readMemInfo(); + if (reader.getTotalSize() >= (512*1024*1024)) { + // If the device has at least 512MB RAM available to the kernel, + // we can afford the overhead of graphics acceleration. + return true; + } + Point p = new Point(); + display.getRealSize(p); + int pixels = p.x * p.y; + if (pixels >= (1024*600)) { + // If this is a sufficiently large screen, then there are enough + // pixels on it that we'd really like to use hw drawing. + return true; + } + return false; + } + + /** * Information you can retrieve about tasks that the user has most recently * started or visited. */ diff --git a/policy/src/com/android/internal/policy/impl/KeyguardViewManager.java b/policy/src/com/android/internal/policy/impl/KeyguardViewManager.java index 6ee5861..f52bb26 100644 --- a/policy/src/com/android/internal/policy/impl/KeyguardViewManager.java +++ b/policy/src/com/android/internal/policy/impl/KeyguardViewManager.java @@ -18,6 +18,7 @@ package com.android.internal.policy.impl; import com.android.internal.R; +import android.app.ActivityManager; import android.content.Context; import android.content.pm.ActivityInfo; import android.content.res.Resources; @@ -107,13 +108,16 @@ public class KeyguardViewManager implements KeyguardWindowController { int flags = WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN | WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER | WindowManager.LayoutParams.FLAG_KEEP_SURFACE_WHILE_ANIMATING - | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED - | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED_SYSTEM /*| WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR*/ ; if (!mNeedsInput) { flags |= WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM; } + if (ActivityManager.isHighEndGfx(((WindowManager)mContext.getSystemService( + Context.WINDOW_SERVICE)).getDefaultDisplay())) { + flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED + | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED_SYSTEM; + } WindowManager.LayoutParams lp = new WindowManager.LayoutParams( stretch, stretch, WindowManager.LayoutParams.TYPE_KEYGUARD, flags, PixelFormat.TRANSLUCENT); |