Fix teardown bug found in books.

Change-Id: I9ac449b644108148b331e0c552f289bf80a07f7e

libs/rs/rs.spec

@@ -47,7 +47,7 @@ ContextSetPriority {
 	param int32_t priority
 	}
 
-ContextDestroy {
+ContextDestroyWorker {
 }
 
 AssignName {

libs/rs/rsAllocation.cpp

@@ -135,7 +135,6 @@ void Allocation::allocScriptMemory() {
 }
 
 void Allocation::freeScriptMemory() {
-    rsAssert(!(mUsageFlags & RS_ALLOCATION_USAGE_SCRIPT));
     if (mPtr) {
         free(mPtr);
         mPtr = NULL;

libs/rs/rsContext.cpp

@@ -509,20 +509,6 @@ void * Context::threadProc(void *vrsc) {
      }
 
      LOGV("%p, RS Thread exiting", rsc);
-     if (rsc->mIsGraphicsContext) {
-         rsc->mRaster.clear();
-         rsc->mFragment.clear();
-         rsc->mVertex.clear();
-         rsc->mFragmentStore.clear();
-         rsc->mFont.clear();
-         rsc->mRootScript.clear();
-         rsc->mStateRaster.deinit(rsc);
-         rsc->mStateVertex.deinit(rsc);
-         rsc->mStateFragment.deinit(rsc);
-         rsc->mStateFragmentStore.deinit(rsc);
-         rsc->mStateFont.deinit(rsc);
-     }
-     ObjectBase::zeroAllUserRef(rsc);
 
      if (rsc->mIsGraphicsContext) {
          pthread_mutex_lock(&gInitMutex);
@@ -535,6 +521,25 @@ void * Context::threadProc(void *vrsc) {
      return NULL;
 }
 
+void Context::destroyWorkerThreadResources() {
+    LOGV("destroyWorkerThreadResources 1");
+    if (mIsGraphicsContext) {
+         mRaster.clear();
+         mFragment.clear();
+         mVertex.clear();
+         mFragmentStore.clear();
+         mFont.clear();
+         mRootScript.clear();
+         mStateRaster.deinit(this);
+         mStateVertex.deinit(this);
+         mStateFragment.deinit(this);
+         mStateFragmentStore.deinit(this);
+         mStateFont.deinit(this);
+    }
+    ObjectBase::zeroAllUserRef(this);
+    LOGV("destroyWorkerThreadResources 2");
+}
+
 void * Context::helperThreadProc(void *vrsc) {
      Context *rsc = static_cast<Context *>(vrsc);
      uint32_t idx = (uint32_t)android_atomic_inc(&rsc->mWorkers.mLaunchCount);
@@ -725,6 +730,7 @@ Context::~Context() {
         mDev = NULL;
     }
     pthread_mutex_unlock(&gInitMutex);
+    LOGV("Context::~Context done");
 }
 
 void Context::setSurface(uint32_t w, uint32_t h, ANativeWindow *sur) {
@@ -1019,14 +1025,23 @@ void rsi_ContextDump(Context *rsc, int32_t bits) {
     ObjectBase::dumpAll(rsc);
 }
 
-void rsi_ContextDestroy(Context *rsc) {
+void rsi_ContextDestroyWorker(Context *rsc) {
+    LOGE("rsi_ContextDestroyWorker 1");
+    rsc->destroyWorkerThreadResources();;
+    LOGE("rsi_ContextDestroyWorker 2");
+}
+
+}
+}
+
+void rsContextDestroy(RsContext vcon) {
+    LOGV("rsContextDestroy %p", vcon);
+    Context *rsc = static_cast<Context *>(vcon);
+    rsContextDestroyWorker(rsc);
     delete rsc;
+    LOGV("rsContextDestroy 2 %p", vcon);
 }
 
-}
-}
-
-
 RsContext rsContextCreate(RsDevice vdev, uint32_t version) {
     LOGV("rsContextCreate %p", vdev);
     Device * dev = static_cast<Device *>(vdev);

libs/rs/rsContext.h

@@ -137,6 +137,7 @@ public:
     void resume();
     void setSurface(uint32_t w, uint32_t h, ANativeWindow *sur);
     void setPriority(int32_t p);
+    void destroyWorkerThreadResources();
 
     void assignName(ObjectBase *obj, const char *name, uint32_t len);
     void removeName(ObjectBase *obj);

libs/rs/rsScriptC.cpp

@@ -37,13 +37,13 @@ using namespace android::renderscript;
 
 
 ScriptC::ScriptC(Context *rsc) : Script(rsc) {
-    LOGD(">>>> ScriptC ctor called, obj=%x", this);
+    LOGD(">>>> ScriptC ctor called, obj=%p", this);
     mBccScript = NULL;
     memset(&mProgram, 0, sizeof(mProgram));
 }
 
 ScriptC::~ScriptC() {
-    LOGD(">>>> ~ScriptC()");
+    LOGD(">>>> ~ScriptC() mBccScript = %p", mBccScript);
     if (mBccScript) {
         bccDeleteScript(mBccScript);
         LOGD(">>>> ~ScriptC(mBCCScript)");