diff --git a/libs/rs/driver/rsdAllocation.cpp b/libs/rs/driver/rsdAllocation.cpp
index e79cd0f..e072dab 100644
--- a/libs/rs/driver/rsdAllocation.cpp
+++ b/libs/rs/driver/rsdAllocation.cpp
@@ -212,10 +212,13 @@
         return false;
     }
 
-    void * ptr = malloc(alloc->mHal.state.type->getSizeBytes());
+    void * ptr = alloc->mHal.state.usrPtr;
     if (!ptr) {
-        free(drv);
-        return false;
+        ptr = malloc(alloc->mHal.state.type->getSizeBytes());
+        if (!ptr) {
+            free(drv);
+            return false;
+        }
     }
 
     drv->glTarget = GL_NONE;
@@ -269,7 +272,7 @@
         drv->renderTargetID = 0;
     }
 
-    if (drv->mallocPtr) {
+    if (drv->mallocPtr && !alloc->mHal.state.usrPtr) {
         free(drv->mallocPtr);
         drv->mallocPtr = NULL;
     }
diff --git a/libs/rs/rs.spec b/libs/rs/rs.spec
index 31487f2..d60db7e 100644
--- a/libs/rs/rs.spec
+++ b/libs/rs/rs.spec
@@ -42,6 +42,7 @@
     param RsType vtype
     param RsAllocationMipmapControl mips
     param uint32_t usages
+    param uint32_t ptr
     ret RsAllocation
 }
 
diff --git a/libs/rs/rsAllocation.cpp b/libs/rs/rsAllocation.cpp
index c1192fe..2c360fb 100644
--- a/libs/rs/rsAllocation.cpp
+++ b/libs/rs/rsAllocation.cpp
@@ -22,21 +22,22 @@
 using namespace android::renderscript;
 
 Allocation::Allocation(Context *rsc, const Type *type, uint32_t usages,
-                       RsAllocationMipmapControl mc)
+                       RsAllocationMipmapControl mc, void * ptr)
     : ObjectBase(rsc) {
 
     memset(&mHal, 0, sizeof(mHal));
     mHal.state.mipmapControl = RS_ALLOCATION_MIPMAP_NONE;
     mHal.state.usageFlags = usages;
     mHal.state.mipmapControl = mc;
+    mHal.state.usrPtr = ptr;
 
     setType(type);
     updateCache();
 }
 
 Allocation * Allocation::createAllocation(Context *rsc, const Type *type, uint32_t usages,
-                              RsAllocationMipmapControl mc) {
-    Allocation *a = new Allocation(rsc, type, usages, mc);
+                              RsAllocationMipmapControl mc, void * ptr) {
+    Allocation *a = new Allocation(rsc, type, usages, mc, ptr);
 
     if (!rsc->mHal.funcs.allocation.init(rsc, a, type->getElement()->getHasReferences())) {
         rsc->setError(RS_ERROR_FATAL_DRIVER, "Allocation::Allocation, alloc failure");
@@ -570,8 +571,8 @@
 
 RsAllocation rsi_AllocationCreateTyped(Context *rsc, RsType vtype,
                                        RsAllocationMipmapControl mips,
-                                       uint32_t usages) {
-    Allocation * alloc = Allocation::createAllocation(rsc, static_cast<Type *>(vtype), usages, mips);
+                                       uint32_t usages, uint32_t ptr) {
+    Allocation * alloc = Allocation::createAllocation(rsc, static_cast<Type *>(vtype), usages, mips, (void *)ptr);
     if (!alloc) {
         return NULL;
     }
@@ -584,7 +585,7 @@
                                             const void *data, size_t data_length, uint32_t usages) {
     Type *t = static_cast<Type *>(vtype);
 
-    RsAllocation vTexAlloc = rsi_AllocationCreateTyped(rsc, vtype, mips, usages);
+    RsAllocation vTexAlloc = rsi_AllocationCreateTyped(rsc, vtype, mips, usages, 0);
     Allocation *texAlloc = static_cast<Allocation *>(vTexAlloc);
     if (texAlloc == NULL) {
         LOGE("Memory allocation failure");
@@ -608,7 +609,7 @@
     // Cubemap allocation's faces should be Width by Width each.
     // Source data should have 6 * Width by Width pixels
     // Error checking is done in the java layer
-    RsAllocation vTexAlloc = rsi_AllocationCreateTyped(rsc, vtype, mips, usages);
+    RsAllocation vTexAlloc = rsi_AllocationCreateTyped(rsc, vtype, mips, usages, 0);
     Allocation *texAlloc = static_cast<Allocation *>(vTexAlloc);
     if (texAlloc == NULL) {
         LOGE("Memory allocation failure");
diff --git a/libs/rs/rsAllocation.h b/libs/rs/rsAllocation.h
index 4ce863a..0f7ed42 100644
--- a/libs/rs/rsAllocation.h
+++ b/libs/rs/rsAllocation.h
@@ -55,6 +55,8 @@
             bool hasMipmaps;
             bool hasFaces;
             bool hasReferences;
+
+            void * usrPtr;
         };
         State state;
 
@@ -66,7 +68,8 @@
     Hal mHal;
 
     static Allocation * createAllocation(Context *rsc, const Type *, uint32_t usages,
-                                  RsAllocationMipmapControl mc = RS_ALLOCATION_MIPMAP_NONE);
+                                         RsAllocationMipmapControl mc = RS_ALLOCATION_MIPMAP_NONE,
+                                         void *ptr = 0);
     virtual ~Allocation();
     void updateCache();
 
@@ -134,7 +137,7 @@
 
 private:
     void freeChildrenUnlocked();
-    Allocation(Context *rsc, const Type *, uint32_t usages, RsAllocationMipmapControl mc);
+    Allocation(Context *rsc, const Type *, uint32_t usages, RsAllocationMipmapControl mc, void *ptr);
 
     uint32_t getPackedSize() const;
     static void writePackedData(const Type *type, uint8_t *dst, const uint8_t *src, bool dstPadded);