Fix safe for mp check in ScriptC.

Change-Id: Id91b3c1e99b2705fd39f9e74a52c61110805e246
diff --git a/rsScriptC.cpp b/rsScriptC.cpp
index f905492..e9621b9 100644
--- a/rsScriptC.cpp
+++ b/rsScriptC.cpp
@@ -201,7 +201,7 @@
         }
 
         //LOGE("usr idx %i, x %i,%i  y %i,%i", idx, mtls->xStart, mtls->xEnd, yStart, yEnd);
-
+        //LOGE("usr ptr in %p,  out %p", mtls->ptrIn, mtls->ptrOut);
         for (uint32_t y = yStart; y < yEnd; y++) {
             uint32_t offset = mtls->dimX * y;
             uint8_t *xPtrOut = mtls->ptrOut + (mtls->eStrideOut * offset);
@@ -296,14 +296,12 @@
         mtls.eStrideOut = aout->getType()->getElementSizeBytes();
     }
 
-
-    if ((rsc->getWorkerPoolSize() > 1) && mEnviroment.mIsThreadable &&
-        ((mtls.dimY * mtls.dimZ * mtls.dimArray) > 1)) {
+    if ((rsc->getWorkerPoolSize() > 1) && mEnviroment.mIsThreadable && (mtls.dimY > 1)) {
 
         //LOGE("launch 1");
         rsc->launchThreads(wc_xy, &mtls);
-        //LOGE("launch 2");
     } else {
+        //LOGE("launch 3");
         for (uint32_t ar = mtls.arrayStart; ar < mtls.arrayEnd; ar++) {
             for (uint32_t z = mtls.zStart; z < mtls.zEnd; z++) {
                 for (uint32_t y = mtls.yStart; y < mtls.yEnd; y++) {
@@ -380,11 +378,11 @@
     if (sym) {
         return sym->mPtr;
     }
-    s->mEnviroment.mIsThreadable = false;
     sym = ScriptCState::lookupSymbolCL(name);
     if (sym) {
         return sym->mPtr;
     }
+    s->mEnviroment.mIsThreadable = false;
     sym = ScriptCState::lookupSymbolGL(name);
     if (sym) {
         return sym->mPtr;