Comments about memory usage

Dimezis · Jun 12, 2016 · a75e594 · a75e594
1 parent ba3d8ff
commit a75e594
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/library/src/main/java/eightbitlab/com/blurview/RenderScriptBlur.java b/library/src/main/java/eightbitlab/com/blurview/RenderScriptBlur.java
@@ -9,8 +9,7 @@
 import android.support.v8.renderscript.ScriptIntrinsicBlur;
 
 /**
- * Blur using RenderScript. Currently the fastest blur algorithm
- * but has additional overhead because of Bitmap copying to Allocation object.
+ * Blur using RenderScript, processed on GPU. Currently the fastest blur algorithm.
  */
 public final class RenderScriptBlur implements BlurAlgorithm {
     private RenderScript renderScript;
@@ -39,6 +38,7 @@ private boolean canReuseAllocation(Bitmap bitmap) {
      */
     @Override
     public final Bitmap blur(Bitmap bitmap, float blurRadius) {
+        //Allocation will use the same backing array of pixels as bitmap if created with USAGE_SHARED flag
         Allocation inAllocation = Allocation.createFromBitmap(renderScript, bitmap);
         Bitmap outputBitmap;