Memory usage improvements, speed improvement

- free filters resources agressively
- implements multiple rendering pipelines
- some cleanup

Change-Id: Ib9ed268b0b2662d0bf5c049adcf046b556954c37

1 files changed, 10 insertions, 3 deletions

diff --git a/src_pd/com/android/gallery3d/filtershow/filters/FiltersManager.java b/src_pd/com/android/gallery3d/filtershow/filters/FiltersManager.java
index d6b871899..246e3f540 100644
--- a/src_pd/com/android/gallery3d/filtershow/filters/FiltersManager.java
+++ b/src_pd/com/android/gallery3d/filtershow/filters/FiltersManager.java
@@ -21,10 +21,17 @@ import java.util.Vector;
 
 public class FiltersManager extends BaseFiltersManager {
     private static FiltersManager sInstance = null;
+    private static FiltersManager sPreviewInstance = null;
 
-    protected FiltersManager() {
-        mFilters = new HashMap<Class, ImageFilter>();
-        addFilters(mFilters);
+    public FiltersManager() {
+        init();
+    }
+
+    public static FiltersManager getPreviewManager() {
+        if (sPreviewInstance == null) {
+            sPreviewInstance = new FiltersManager();
+        }
+        return sPreviewInstance;
     }
 
     public static FiltersManager getManager() {