Add a direct rendering mode

This takes input and output allocations.
Also added a utility method in ImageFilterRS
to scale textures at screen resolution.

bug:8603245
bug:8588853

Change-Id: Ic5e4dea2289f0edd7518fc07f04b523be5316e82

2 files changed, 35 insertions, 0 deletions

diff --git a/src/com/android/gallery3d/filtershow/presets/FilterEnvironment.java b/src/com/android/gallery3d/filtershow/presets/FilterEnvironment.java
index b474b8412..7b0e0193f 100644
--- a/src/com/android/gallery3d/filtershow/presets/FilterEnvironment.java
+++ b/src/com/android/gallery3d/filtershow/presets/FilterEnvironment.java
@@ -17,6 +17,7 @@
 package com.android.gallery3d.filtershow.presets;
 
 import android.graphics.Bitmap;
+import android.support.v8.renderscript.Allocation;
 import com.android.gallery3d.filtershow.cache.CachingPipeline;
 import com.android.gallery3d.filtershow.filters.FilterRepresentation;
 import com.android.gallery3d.filtershow.filters.FiltersManager;
@@ -61,6 +62,17 @@ public class FilterEnvironment {
         return mFiltersManager;
     }
 
+    public void applyRepresentation(FilterRepresentation representation,
+                                    Allocation in, Allocation out) {
+        ImageFilter filter = mFiltersManager.getFilterForRepresentation(representation);
+        filter.useRepresentation(representation);
+        filter.setEnvironment(this);
+        if (filter.supportsAllocationInput()) {
+            filter.apply(in, out);
+        }
+        filter.setEnvironment(null);
+    }
+
     public Bitmap applyRepresentation(FilterRepresentation representation, Bitmap bitmap) {
         ImageFilter filter = mFiltersManager.getFilterForRepresentation(representation);
         filter.useRepresentation(representation);
diff --git a/src/com/android/gallery3d/filtershow/presets/ImagePreset.java b/src/com/android/gallery3d/filtershow/presets/ImagePreset.java
index 2858ea6e5..791164f5c 100644
--- a/src/com/android/gallery3d/filtershow/presets/ImagePreset.java
+++ b/src/com/android/gallery3d/filtershow/presets/ImagePreset.java
@@ -18,6 +18,7 @@ package com.android.gallery3d.filtershow.presets;
 
 import android.graphics.Bitmap;
 import android.graphics.Rect;
+import android.support.v8.renderscript.Allocation;
 import android.util.Log;
 
 import com.android.gallery3d.filtershow.ImageStateAdapter;
@@ -473,6 +474,28 @@ public class ImagePreset {
         return bitmap;
     }
 
+    public void applyFilters(int from, int to, Allocation in, Allocation out, FilterEnvironment environment) {
+        if (mDoApplyFilters) {
+            if (from < 0) {
+                from = 0;
+            }
+            if (to == -1) {
+                to = mFilters.size();
+            }
+            for (int i = from; i < to; i++) {
+                FilterRepresentation representation = null;
+                synchronized (mFilters) {
+                    representation = mFilters.elementAt(i);
+                    representation.synchronizeRepresentation();
+                }
+                if (i > from) {
+                    in.copyFrom(out);
+                }
+                environment.applyRepresentation(representation, in, out);
+            }
+        }
+    }
+
     public boolean canDoPartialRendering() {
         if (mGeoData.hasModifications()) {
             return false;