From 7d25a829d3da96fb6ac0d285aa1bfb2022271bee Mon Sep 17 00:00:00 2001
From: Stephen Hines <srhines@google.com>
Date: Tue, 9 Apr 2013 23:51:56 -0700
Subject: Defer RS cache creation until a ScriptC is built.

Bug: 8582926
Change-Id: If017f41382f023f8f6ddd78ba198402d427c95f8
---
 graphics/java/android/renderscript/RenderScript.java | 11 +++--------
 graphics/java/android/renderscript/ScriptC.java      | 14 +++++++++++++-
 2 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/graphics/java/android/renderscript/RenderScript.java b/graphics/java/android/renderscript/RenderScript.java
index 2438532c98dd..d5af2767bb40 100644
--- a/graphics/java/android/renderscript/RenderScript.java
+++ b/graphics/java/android/renderscript/RenderScript.java
@@ -83,11 +83,7 @@ public class RenderScript {
     native void nContextInitToClient(int con);
     native void nContextDeinitToClient(int con);
 
-    /**
-     * Name of the file that holds the object cache.
-     */
-    private static final String CACHE_PATH = "com.android.renderscript.cache";
-    static String mCachePath;
+    static File mCacheDir;
 
      /**
      * Sets the directory to use as a persistent storage for the
@@ -97,9 +93,8 @@ public class RenderScript {
      * @param cacheDir A directory the current process can write to
      */
     public static void setupDiskCache(File cacheDir) {
-        File f = new File(cacheDir, CACHE_PATH);
-        mCachePath = f.getAbsolutePath();
-        f.mkdirs();
+        // Defer creation of cache path to nScriptCCreate().
+        mCacheDir = cacheDir;
     }
 
     public enum ContextType {
diff --git a/graphics/java/android/renderscript/ScriptC.java b/graphics/java/android/renderscript/ScriptC.java
index 9221c7aac69f..2f69775a20ae 100644
--- a/graphics/java/android/renderscript/ScriptC.java
+++ b/graphics/java/android/renderscript/ScriptC.java
@@ -64,6 +64,12 @@ public class ScriptC extends Script {
         rs.addAllocSizeForGC(mGCSize);
     }
 
+    /**
+     * Name of the file that holds the object cache.
+     */
+    private static final String CACHE_PATH = "com.android.renderscript.cache";
+
+    static String mCachePath;
 
     private static synchronized int internalCreate(RenderScript rs, Resources resources, int resourceID) {
         byte[] pgm;
@@ -96,7 +102,13 @@ public class ScriptC extends Script {
 
         String resName = resources.getResourceEntryName(resourceID);
 
+        // Create the RS cache path if we haven't done so already.
+        if (mCachePath == null) {
+            File f = new File(rs.mCacheDir, CACHE_PATH);
+            mCachePath = f.getAbsolutePath();
+            f.mkdirs();
+        }
         Log.v(TAG, "Create script for resource = " + resName);
-        return rs.nScriptCCreate(resName, rs.mCachePath, pgm, pgmLength);
+        return rs.nScriptCCreate(resName, mCachePath, pgm, pgmLength);
     }
 }
-- 
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