Force wallpaper surface to 565.

This is to maintain backward compatibility with badly programmed
GL wallpapers. Wallpapers can call SurfaceHolder.setFormat() to
request a different format.

Change-Id: Ib42b0cf6c7040d1300cad239c3acfd5c4c6cd326

2 files changed, 6 insertions, 1 deletions

diff --git a/core/java/android/service/wallpaper/WallpaperService.java b/core/java/android/service/wallpaper/WallpaperService.java
index 57a72bf..2b083dc 100644
--- a/core/java/android/service/wallpaper/WallpaperService.java
+++ b/core/java/android/service/wallpaper/WallpaperService.java
@@ -30,6 +30,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.res.Configuration;
+import android.graphics.PixelFormat;
 import android.graphics.Rect;
 import android.os.Bundle;
 import android.os.IBinder;
@@ -178,6 +179,9 @@ public abstract class WallpaperService extends Service {
         };
         
         final BaseSurfaceHolder mSurfaceHolder = new BaseSurfaceHolder() {
+            {
+                mRequestedFormat = PixelFormat.RGB_565;
+            }
 
             @Override
             public boolean onAllowLockCanvas() {
diff --git a/core/java/com/android/internal/view/BaseSurfaceHolder.java b/core/java/com/android/internal/view/BaseSurfaceHolder.java
index 3a04993..1e97cd6 100644
--- a/core/java/com/android/internal/view/BaseSurfaceHolder.java
+++ b/core/java/com/android/internal/view/BaseSurfaceHolder.java
@@ -41,7 +41,8 @@ public abstract class BaseSurfaceHolder implements SurfaceHolder {
 
     int mRequestedWidth = -1;
     int mRequestedHeight = -1;
-    int mRequestedFormat = PixelFormat.OPAQUE;
+    /** @hide */
+    protected int mRequestedFormat = PixelFormat.OPAQUE;
     int mRequestedType = -1;
 
     long mLastLockTime = 0;