rsScriptC.cpp - fp2-dev/platform/frameworks/rs - Gitiles

 /*
  * Copyright (C) 2009 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #include "rsContext.h"
 #include "rsScriptC.h"
 #include "rsMatrix.h"
 #include "../../compile/libbcc/include/bcc/bcc.h"
 #include "utils/Timers.h"
 #include "utils/StopWatch.h"
 extern "C" {
 #include "libdex/ZipArchive.h"
 }

 #include <GLES/gl.h>
 #include <GLES/glext.h>

 using namespace android;
 using namespace android::renderscript;

 #define GET_TLS()  Context::ScriptTLSStruct * tls = \
     (Context::ScriptTLSStruct *)pthread_getspecific(Context::gThreadTLSKey); \
     Context * rsc = tls->mContext; \
     ScriptC * sc = (ScriptC *) tls->mScript


 ScriptC::ScriptC(Context *rsc) : Script(rsc) {
     LOGD(">>>> ScriptC ctor called, obj=%p", this);
     mBccScript = NULL;
     memset(&mProgram, 0, sizeof(mProgram));
 }

 ScriptC::~ScriptC() {
     LOGD(">>>> ~ScriptC() mBccScript = %p", mBccScript);
     if (mBccScript) {
         bccDeleteScript(mBccScript);
         LOGD(">>>> ~ScriptC(mBCCScript)");
     }
     free(mEnviroment.mScriptText);
     mEnviroment.mScriptText = NULL;
 }

 void ScriptC::setupScript(Context *rsc) {
     mEnviroment.mStartTimeMillis
                 = nanoseconds_to_milliseconds(systemTime(SYSTEM_TIME_MONOTONIC));

     for (uint32_t ct=0; ct < mEnviroment.mFieldCount; ct++) {
         if (mSlots[ct].get() && !mTypes[ct].get()) {
             mTypes[ct].set(mSlots[ct]->getType());
         }

         if (!mTypes[ct].get())
             continue;
         void *ptr = NULL;
         if (mSlots[ct].get()) {
             ptr = mSlots[ct]->getPtr();
         }
         void **dest = ((void ***)mEnviroment.mFieldAddress)[ct];

         if (rsc->props.mLogScripts) {
             if (mSlots[ct].get() != NULL) {
                 LOGV("%p ScriptC::setupScript slot=%i  dst=%p  src=%p  type=%p", rsc, ct, dest, ptr, mSlots[ct]->getType());
             } else {
                 LOGV("%p ScriptC::setupScript slot=%i  dst=%p  src=%p  type=null", rsc, ct, dest, ptr);
             }
         }

         if (dest) {
             *dest = ptr;
         }
     }
 }

 const Allocation *ScriptC::ptrToAllocation(const void *ptr) const {
     if (!ptr) {
         return NULL;
     }
     for (uint32_t ct=0; ct < mEnviroment.mFieldCount; ct++) {
         if (!mSlots[ct].get())
             continue;
         if (mSlots[ct]->getPtr() == ptr) {
             return mSlots[ct].get();
         }
     }
     LOGE("ScriptC::ptrToAllocation, failed to find %p", ptr);
     return NULL;
 }

 Script * ScriptC::setTLS(Script *sc) {
     Context::ScriptTLSStruct * tls = (Context::ScriptTLSStruct *)
                                   pthread_getspecific(Context::gThreadTLSKey);
     rsAssert(tls);
     Script *old = tls->mScript;
     tls->mScript = sc;
     return old;
 }

 void ScriptC::setupGLState(Context *rsc) {
     if (mEnviroment.mFragmentStore.get()) {
         rsc->setProgramStore(mEnviroment.mFragmentStore.get());
     }
     if (mEnviroment.mFragment.get()) {
         rsc->setProgramFragment(mEnviroment.mFragment.get());
     }
     if (mEnviroment.mVertex.get()) {
         rsc->setProgramVertex(mEnviroment.mVertex.get());
     }
     if (mEnviroment.mRaster.get()) {
         rsc->setProgramRaster(mEnviroment.mRaster.get());
     }
 }

 uint32_t ScriptC::run(Context *rsc) {
     if (mProgram.mRoot == NULL) {
         rsc->setError(RS_ERROR_BAD_SCRIPT, "Attempted to run bad script");
         return 0;
     }

     setupGLState(rsc);
     setupScript(rsc);

     uint32_t ret = 0;
     Script * oldTLS = setTLS(this);

     if (rsc->props.mLogScripts) {
         LOGV("%p ScriptC::run invoking root,  ptr %p", rsc, mProgram.mRoot);
     }

     ret = mProgram.mRoot();

     if (rsc->props.mLogScripts) {
         LOGV("%p ScriptC::run invoking complete, ret=%i", rsc, ret);
     }

     setTLS(oldTLS);
     return ret;
 }

 typedef struct {
     Context *rsc;
     ScriptC *script;
     const Allocation * ain;
     Allocation * aout;
     const void * usr;

     uint32_t mSliceSize;
     volatile int mSliceNum;

     const uint8_t *ptrIn;
     uint32_t eStrideIn;
     uint8_t *ptrOut;
     uint32_t eStrideOut;

     uint32_t xStart;
     uint32_t xEnd;
     uint32_t yStart;
     uint32_t yEnd;
     uint32_t zStart;
     uint32_t zEnd;
     uint32_t arrayStart;
     uint32_t arrayEnd;

     uint32_t dimX;
     uint32_t dimY;
     uint32_t dimZ;
     uint32_t dimArray;
 } MTLaunchStruct;
 typedef int (*rs_t)(const void *, void *, const void *, uint32_t, uint32_t, uint32_t, uint32_t);

 static void wc_xy(void *usr, uint32_t idx) {
     MTLaunchStruct *mtls = (MTLaunchStruct *)usr;

     while (1) {
         uint32_t slice = (uint32_t)android_atomic_inc(&mtls->mSliceNum);
         uint32_t yStart = mtls->yStart + slice * mtls->mSliceSize;
         uint32_t yEnd = yStart + mtls->mSliceSize;
         yEnd = rsMin(yEnd, mtls->yEnd);
         if (yEnd <= yStart) {
             return;
         }

         //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);
             const uint8_t *xPtrIn = mtls->ptrIn + (mtls->eStrideIn * offset);

             for (uint32_t x = mtls->xStart; x < mtls->xEnd; x++) {
                 ((rs_t)mtls->script->mProgram.mRoot) (xPtrIn, xPtrOut, mtls->usr, x, y, 0, 0);
                 xPtrIn += mtls->eStrideIn;
                 xPtrOut += mtls->eStrideOut;
             }
         }
     }
 }

 static void wc_x(void *usr, uint32_t idx) {
     MTLaunchStruct *mtls = (MTLaunchStruct *)usr;

     while (1) {
         uint32_t slice = (uint32_t)android_atomic_inc(&mtls->mSliceNum);
         uint32_t xStart = mtls->xStart + slice * mtls->mSliceSize;
         uint32_t xEnd = xStart + mtls->mSliceSize;
         xEnd = rsMin(xEnd, mtls->xEnd);
         if (xEnd <= xStart) {
             return;
         }

         //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);
         uint8_t *xPtrOut = mtls->ptrOut + (mtls->eStrideOut * xStart);
         const uint8_t *xPtrIn = mtls->ptrIn + (mtls->eStrideIn * xStart);
         for (uint32_t x = xStart; x < xEnd; x++) {
             ((rs_t)mtls->script->mProgram.mRoot) (xPtrIn, xPtrOut, mtls->usr, x, 0, 0, 0);
             xPtrIn += mtls->eStrideIn;
             xPtrOut += mtls->eStrideOut;
         }
     }
 }

 void ScriptC::runForEach(Context *rsc,
                          const Allocation * ain,
                          Allocation * aout,
                          const void * usr,
                          const RsScriptCall *sc) {
     MTLaunchStruct mtls;
     memset(&mtls, 0, sizeof(mtls));
     Context::PushState ps(rsc);

     if (ain) {
         mtls.dimX = ain->getType()->getDimX();
         mtls.dimY = ain->getType()->getDimY();
         mtls.dimZ = ain->getType()->getDimZ();
         //mtls.dimArray = ain->getType()->getDimArray();
     } else if (aout) {
         mtls.dimX = aout->getType()->getDimX();
         mtls.dimY = aout->getType()->getDimY();
         mtls.dimZ = aout->getType()->getDimZ();
         //mtls.dimArray = aout->getType()->getDimArray();
     } else {
         rsc->setError(RS_ERROR_BAD_SCRIPT, "rsForEach called with null allocations");
         return;
     }

     if (!sc || (sc->xEnd == 0)) {
         mtls.xEnd = mtls.dimX;
     } else {
         rsAssert(sc->xStart < mtls.dimX);
         rsAssert(sc->xEnd <= mtls.dimX);
         rsAssert(sc->xStart < sc->xEnd);
         mtls.xStart = rsMin(mtls.dimX, sc->xStart);
         mtls.xEnd = rsMin(mtls.dimX, sc->xEnd);
         if (mtls.xStart >= mtls.xEnd) return;
     }

     if (!sc || (sc->yEnd == 0)) {
         mtls.yEnd = mtls.dimY;
     } else {
         rsAssert(sc->yStart < mtls.dimY);
         rsAssert(sc->yEnd <= mtls.dimY);
         rsAssert(sc->yStart < sc->yEnd);
         mtls.yStart = rsMin(mtls.dimY, sc->yStart);
         mtls.yEnd = rsMin(mtls.dimY, sc->yEnd);
         if (mtls.yStart >= mtls.yEnd) return;
     }

     mtls.xEnd = rsMax((uint32_t)1, mtls.xEnd);
     mtls.yEnd = rsMax((uint32_t)1, mtls.yEnd);
     mtls.zEnd = rsMax((uint32_t)1, mtls.zEnd);
     mtls.arrayEnd = rsMax((uint32_t)1, mtls.arrayEnd);

     rsAssert(ain->getType()->getDimZ() == 0);

     setupGLState(rsc);
     setupScript(rsc);
     Script * oldTLS = setTLS(this);

     mtls.rsc = rsc;
     mtls.ain = ain;
     mtls.aout = aout;
     mtls.script = this;
     mtls.usr = usr;
     mtls.mSliceSize = 10;
     mtls.mSliceNum = 0;

     mtls.ptrIn = NULL;
     mtls.eStrideIn = 0;
     if (ain) {
         mtls.ptrIn = (const uint8_t *)ain->getPtr();
         mtls.eStrideIn = ain->getType()->getElementSizeBytes();
     }

     mtls.ptrOut = NULL;
     mtls.eStrideOut = 0;
     if (aout) {
         mtls.ptrOut = (uint8_t *)aout->getPtr();
         mtls.eStrideOut = aout->getType()->getElementSizeBytes();
     }

     if ((rsc->getWorkerPoolSize() > 1) && mEnviroment.mIsThreadable) {
         if (mtls.dimY > 1) {
             rsc->launchThreads(wc_xy, &mtls);
         } else {
             rsc->launchThreads(wc_x, &mtls);
         }

         //LOGE("launch 1");
     } 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++) {
                     uint32_t offset = mtls.dimX * mtls.dimY * mtls.dimZ * ar +
                                       mtls.dimX * mtls.dimY * z +
                                       mtls.dimX * y;
                     uint8_t *xPtrOut = mtls.ptrOut + (mtls.eStrideOut * offset);
                     const uint8_t *xPtrIn = mtls.ptrIn + (mtls.eStrideIn * offset);

                     for (uint32_t x = mtls.xStart; x < mtls.xEnd; x++) {
                         ((rs_t)mProgram.mRoot) (xPtrIn, xPtrOut, usr, x, y, z, ar);
                         xPtrIn += mtls.eStrideIn;
                         xPtrOut += mtls.eStrideOut;
                     }
                 }
             }
         }
     }

     setTLS(oldTLS);
 }

 void ScriptC::Invoke(Context *rsc, uint32_t slot, const void *data, uint32_t len) {
     if ((slot >= mEnviroment.mInvokeFunctionCount) ||
         (mEnviroment.mInvokeFunctions[slot] == NULL)) {
         rsc->setError(RS_ERROR_BAD_SCRIPT, "Calling invoke on bad script");
         return;
     }
     setupScript(rsc);
     Script * oldTLS = setTLS(this);

     if (rsc->props.mLogScripts) {
         LOGV("%p ScriptC::Invoke invoking slot %i,  ptr %p", rsc, slot, mEnviroment.mInvokeFunctions[slot]);
     }
     ((void (*)(const void *, uint32_t))
         mEnviroment.mInvokeFunctions[slot])(data, len);
     if (rsc->props.mLogScripts) {
         LOGV("%p ScriptC::Invoke complete", rsc);
     }

     setTLS(oldTLS);
 }

 ScriptCState::ScriptCState() {
     mScript.clear();
 }

 ScriptCState::~ScriptCState() {
     mScript.clear();
 }

 void ScriptCState::init(Context *rsc) {
     clear(rsc);
 }

 void ScriptCState::clear(Context *rsc) {
     rsAssert(rsc);
     mScript.clear();
     mScript.set(new ScriptC(rsc));
 }

 static BCCvoid* symbolLookup(BCCvoid* pContext, const BCCchar* name) {
     const ScriptCState::SymbolTable_t *sym;
     ScriptC *s = (ScriptC *)pContext;
     if (!strcmp(name, "__isThreadable")) {
       return (BCCvoid*) s->mEnviroment.mIsThreadable;
     } else if (!strcmp(name, "__clearThreadable")) {
       s->mEnviroment.mIsThreadable = false;
       return NULL;
     }
     sym = ScriptCState::lookupSymbol(name);
     if (!sym) {
         sym = ScriptCState::lookupSymbolCL(name);
     }
     if (!sym) {
         sym = ScriptCState::lookupSymbolGL(name);
     }
     if (sym) {
         s->mEnviroment.mIsThreadable &= sym->threadable;
         return sym->mPtr;
     }
     LOGE("ScriptC sym lookup failed for %s", name);
     return NULL;
 }

 extern const char rs_runtime_lib_bc[];
 extern unsigned rs_runtime_lib_bc_size;

 void ScriptCState::runCompiler(Context *rsc,
                                ScriptC *s,
                                const char *resName,
                                const char *cacheDir) {
     {
         s->mBccScript = bccCreateScript();

         s->mEnviroment.mIsThreadable = true;

         bccRegisterSymbolCallback(s->mBccScript, symbolLookup, s);

         if (bccReadBC(s->mBccScript,
                       s->mEnviroment.mScriptText,
                       s->mEnviroment.mScriptTextLength,
                       /*deprecated*/ 0, /*deprecated*/ 0,
                       resName, cacheDir) != 0) {
             LOGE("bcc: FAILS to read bitcode");
             // Handle Fatal Error
         }

 #if 0
         if (bccLinkBC(s->mBccScript,
                       rs_runtime_lib_bc,
                       rs_runtime_lib_bc_size) != 0) {
             LOGE("bcc: FAILS to link bitcode");
             // Handle Fatal Error
         }
 #endif

         if (bccPrepareExecutable(s->mBccScript) != 0) {
             LOGE("bcc: FAILS to prepare executable");
             // Handle Fatal Error
         }

         bccGetScriptLabel(s->mBccScript, "root", (BCCvoid**) &s->mProgram.mRoot);
         bccGetScriptLabel(s->mBccScript, "init", (BCCvoid**) &s->mProgram.mInit);
     }
     LOGV("%p ScriptCState::runCompiler root %p,  init %p", rsc, s->mProgram.mRoot, s->mProgram.mInit);

     if (s->mProgram.mInit) {
         s->mProgram.mInit();
     }

     bccGetExportFuncs(s->mBccScript, (BCCsizei*) &s->mEnviroment.mInvokeFunctionCount, 0, NULL);
     if (s->mEnviroment.mInvokeFunctionCount <= 0)
         s->mEnviroment.mInvokeFunctions = NULL;
     else {
         s->mEnviroment.mInvokeFunctions = (Script::InvokeFunc_t*) calloc(s->mEnviroment.mInvokeFunctionCount, sizeof(Script::InvokeFunc_t));
         bccGetExportFuncs(s->mBccScript, NULL, s->mEnviroment.mInvokeFunctionCount, (BCCvoid **) s->mEnviroment.mInvokeFunctions);
     }

     bccGetExportVars(s->mBccScript, (BCCsizei*) &s->mEnviroment.mFieldCount, 0, NULL);
     if (s->mEnviroment.mFieldCount <= 0)
         s->mEnviroment.mFieldAddress = NULL;
     else {
         s->mEnviroment.mFieldAddress = (void **) calloc(s->mEnviroment.mFieldCount, sizeof(void *));
         bccGetExportVars(s->mBccScript, NULL, s->mEnviroment.mFieldCount, (BCCvoid **) s->mEnviroment.mFieldAddress);
         s->initSlots();
     }

     s->mEnviroment.mFragment.set(rsc->getDefaultProgramFragment());
     s->mEnviroment.mVertex.set(rsc->getDefaultProgramVertex());
     s->mEnviroment.mFragmentStore.set(rsc->getDefaultProgramStore());
     s->mEnviroment.mRaster.set(rsc->getDefaultProgramRaster());

     if (s->mProgram.mRoot) {
         const static int pragmaMax = 16;
         BCCsizei pragmaCount;
         BCCchar * str[pragmaMax];
         bccGetPragmas(s->mBccScript, &pragmaCount, pragmaMax, &str[0]);

         for (int ct=0; ct < pragmaCount; ct+=2) {
             //LOGE("pragme %s %s", str[ct], str[ct+1]);
             if (!strcmp(str[ct], "version")) {
                 continue;
             }

             if (!strcmp(str[ct], "stateVertex")) {
                 if (!strcmp(str[ct+1], "default")) {
                     continue;
                 }
                 if (!strcmp(str[ct+1], "parent")) {
                     s->mEnviroment.mVertex.clear();
                     continue;
                 }
                 LOGE("Unreconized value %s passed to stateVertex", str[ct+1]);
             }

             if (!strcmp(str[ct], "stateRaster")) {
                 if (!strcmp(str[ct+1], "default")) {
                     continue;
                 }
                 if (!strcmp(str[ct+1], "parent")) {
                     s->mEnviroment.mRaster.clear();
                     continue;
                 }
                 LOGE("Unreconized value %s passed to stateRaster", str[ct+1]);
             }

             if (!strcmp(str[ct], "stateFragment")) {
                 if (!strcmp(str[ct+1], "default")) {
                     continue;
                 }
                 if (!strcmp(str[ct+1], "parent")) {
                     s->mEnviroment.mFragment.clear();
                     continue;
                 }
                 LOGE("Unreconized value %s passed to stateFragment", str[ct+1]);
             }

             if (!strcmp(str[ct], "stateStore")) {
                 if (!strcmp(str[ct+1], "default")) {
                     continue;
                 }
                 if (!strcmp(str[ct+1], "parent")) {
                     s->mEnviroment.mFragmentStore.clear();
                     continue;
                 }
                 LOGE("Unreconized value %s passed to stateStore", str[ct+1]);
             }

         }


     } else {
         LOGE("bcc: FAILS to prepare executable");
         // Handle Fatal Error
     }
 }

 namespace android {
 namespace renderscript {

 void rsi_ScriptCBegin(Context * rsc) {
     ScriptCState *ss = &rsc->mScriptC;
     ss->clear(rsc);
 }

 void rsi_ScriptCSetText(Context *rsc, const char *text, uint32_t len) {
     ScriptCState *ss = &rsc->mScriptC;

     char *t = (char *)malloc(len + 1);
     memcpy(t, text, len);
     t[len] = 0;
     ss->mScript->mEnviroment.mScriptText = t;
     ss->mScript->mEnviroment.mScriptTextLength = len;
 }


 RsScript rsi_ScriptCCreate(Context *rsc,
                            const char *packageName /* deprecated */,
                            const char *resName,
                            const char *cacheDir)
 {
     ScriptCState *ss = &rsc->mScriptC;

     ObjectBaseRef<ScriptC> s(ss->mScript);
     ss->mScript.clear();
     s->incUserRef();

     ss->runCompiler(rsc, s.get(), resName, cacheDir);
     ss->clear(rsc);
     return s.get();
 }

 }
 }
	/*
	* Copyright (C) 2009 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#include "rsContext.h"
	#include "rsScriptC.h"
	#include "rsMatrix.h"
	#include "../../compile/libbcc/include/bcc/bcc.h"
	#include "utils/Timers.h"
	#include "utils/StopWatch.h"
	extern "C" {
	#include "libdex/ZipArchive.h"
	}

	#include <GLES/gl.h>
	#include <GLES/glext.h>

	using namespace android;
	using namespace android::renderscript;

	#define GET_TLS() Context::ScriptTLSStruct * tls = \
	(Context::ScriptTLSStruct *)pthread_getspecific(Context::gThreadTLSKey); \
	Context * rsc = tls->mContext; \
	ScriptC * sc = (ScriptC *) tls->mScript


	ScriptC::ScriptC(Context *rsc) : Script(rsc) {
	LOGD(">>>> ScriptC ctor called, obj=%p", this);
	mBccScript = NULL;
	memset(&mProgram, 0, sizeof(mProgram));
	}

	ScriptC::~ScriptC() {
	LOGD(">>>> ~ScriptC() mBccScript = %p", mBccScript);
	if (mBccScript) {
	bccDeleteScript(mBccScript);
	LOGD(">>>> ~ScriptC(mBCCScript)");
	}
	free(mEnviroment.mScriptText);
	mEnviroment.mScriptText = NULL;
	}

	void ScriptC::setupScript(Context *rsc) {
	mEnviroment.mStartTimeMillis
	= nanoseconds_to_milliseconds(systemTime(SYSTEM_TIME_MONOTONIC));

	for (uint32_t ct=0; ct < mEnviroment.mFieldCount; ct++) {
	if (mSlots[ct].get() && !mTypes[ct].get()) {
	mTypes[ct].set(mSlots[ct]->getType());
	}

	if (!mTypes[ct].get())
	continue;
	void *ptr = NULL;
	if (mSlots[ct].get()) {
	ptr = mSlots[ct]->getPtr();
	}
	void dest = ((void *)mEnviroment.mFieldAddress)[ct];

	if (rsc->props.mLogScripts) {
	if (mSlots[ct].get() != NULL) {
	LOGV("%p ScriptC::setupScript slot=%i dst=%p src=%p type=%p", rsc, ct, dest, ptr, mSlots[ct]->getType());
	} else {
	LOGV("%p ScriptC::setupScript slot=%i dst=%p src=%p type=null", rsc, ct, dest, ptr);
	}
	}

	if (dest) {
	*dest = ptr;
	}
	}
	}

	const Allocation ScriptC::ptrToAllocation(const void ptr) const {
	if (!ptr) {
	return NULL;
	}
	for (uint32_t ct=0; ct < mEnviroment.mFieldCount; ct++) {
	if (!mSlots[ct].get())
	continue;
	if (mSlots[ct]->getPtr() == ptr) {
	return mSlots[ct].get();
	}
	}
	LOGE("ScriptC::ptrToAllocation, failed to find %p", ptr);
	return NULL;
	}

	Script * ScriptC::setTLS(Script *sc) {
	Context::ScriptTLSStruct * tls = (Context::ScriptTLSStruct *)
	pthread_getspecific(Context::gThreadTLSKey);
	rsAssert(tls);
	Script *old = tls->mScript;
	tls->mScript = sc;
	return old;
	}

	void ScriptC::setupGLState(Context *rsc) {
	if (mEnviroment.mFragmentStore.get()) {
	rsc->setProgramStore(mEnviroment.mFragmentStore.get());
	}
	if (mEnviroment.mFragment.get()) {
	rsc->setProgramFragment(mEnviroment.mFragment.get());
	}
	if (mEnviroment.mVertex.get()) {
	rsc->setProgramVertex(mEnviroment.mVertex.get());
	}
	if (mEnviroment.mRaster.get()) {
	rsc->setProgramRaster(mEnviroment.mRaster.get());
	}
	}

	uint32_t ScriptC::run(Context *rsc) {
	if (mProgram.mRoot == NULL) {
	rsc->setError(RS_ERROR_BAD_SCRIPT, "Attempted to run bad script");
	return 0;
	}

	setupGLState(rsc);
	setupScript(rsc);

	uint32_t ret = 0;
	Script * oldTLS = setTLS(this);

	if (rsc->props.mLogScripts) {
	LOGV("%p ScriptC::run invoking root, ptr %p", rsc, mProgram.mRoot);
	}

	ret = mProgram.mRoot();

	if (rsc->props.mLogScripts) {
	LOGV("%p ScriptC::run invoking complete, ret=%i", rsc, ret);
	}

	setTLS(oldTLS);
	return ret;
	}

	typedef struct {
	Context *rsc;
	ScriptC *script;
	const Allocation * ain;
	Allocation * aout;
	const void * usr;

	uint32_t mSliceSize;
	volatile int mSliceNum;

	const uint8_t *ptrIn;
	uint32_t eStrideIn;
	uint8_t *ptrOut;
	uint32_t eStrideOut;

	uint32_t xStart;
	uint32_t xEnd;
	uint32_t yStart;
	uint32_t yEnd;
	uint32_t zStart;
	uint32_t zEnd;
	uint32_t arrayStart;
	uint32_t arrayEnd;

	uint32_t dimX;
	uint32_t dimY;
	uint32_t dimZ;
	uint32_t dimArray;
	} MTLaunchStruct;
	typedef int (rs_t)(const void , void , const void , uint32_t, uint32_t, uint32_t, uint32_t);

	static void wc_xy(void *usr, uint32_t idx) {
	MTLaunchStruct mtls = (MTLaunchStruct )usr;

	while (1) {
	uint32_t slice = (uint32_t)android_atomic_inc(&mtls->mSliceNum);
	uint32_t yStart = mtls->yStart + slice * mtls->mSliceSize;
	uint32_t yEnd = yStart + mtls->mSliceSize;
	yEnd = rsMin(yEnd, mtls->yEnd);
	if (yEnd <= yStart) {
	return;
	}

	//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);
	const uint8_t xPtrIn = mtls->ptrIn + (mtls->eStrideIn offset);

	for (uint32_t x = mtls->xStart; x < mtls->xEnd; x++) {
	((rs_t)mtls->script->mProgram.mRoot) (xPtrIn, xPtrOut, mtls->usr, x, y, 0, 0);
	xPtrIn += mtls->eStrideIn;
	xPtrOut += mtls->eStrideOut;
	}
	}
	}
	}

	static void wc_x(void *usr, uint32_t idx) {
	MTLaunchStruct mtls = (MTLaunchStruct )usr;

	while (1) {
	uint32_t slice = (uint32_t)android_atomic_inc(&mtls->mSliceNum);
	uint32_t xStart = mtls->xStart + slice * mtls->mSliceSize;
	uint32_t xEnd = xStart + mtls->mSliceSize;
	xEnd = rsMin(xEnd, mtls->xEnd);
	if (xEnd <= xStart) {
	return;
	}

	//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);
	uint8_t xPtrOut = mtls->ptrOut + (mtls->eStrideOut xStart);
	const uint8_t xPtrIn = mtls->ptrIn + (mtls->eStrideIn xStart);
	for (uint32_t x = xStart; x < xEnd; x++) {
	((rs_t)mtls->script->mProgram.mRoot) (xPtrIn, xPtrOut, mtls->usr, x, 0, 0, 0);
	xPtrIn += mtls->eStrideIn;
	xPtrOut += mtls->eStrideOut;
	}
	}
	}

	void ScriptC::runForEach(Context *rsc,
	const Allocation * ain,
	Allocation * aout,
	const void * usr,
	const RsScriptCall *sc) {
	MTLaunchStruct mtls;
	memset(&mtls, 0, sizeof(mtls));
	Context::PushState ps(rsc);

	if (ain) {
	mtls.dimX = ain->getType()->getDimX();
	mtls.dimY = ain->getType()->getDimY();
	mtls.dimZ = ain->getType()->getDimZ();
	//mtls.dimArray = ain->getType()->getDimArray();
	} else if (aout) {
	mtls.dimX = aout->getType()->getDimX();
	mtls.dimY = aout->getType()->getDimY();
	mtls.dimZ = aout->getType()->getDimZ();
	//mtls.dimArray = aout->getType()->getDimArray();
	} else {
	rsc->setError(RS_ERROR_BAD_SCRIPT, "rsForEach called with null allocations");
	return;
	}

	if (!sc \|\| (sc->xEnd == 0)) {
	mtls.xEnd = mtls.dimX;
	} else {
	rsAssert(sc->xStart < mtls.dimX);
	rsAssert(sc->xEnd <= mtls.dimX);
	rsAssert(sc->xStart < sc->xEnd);
	mtls.xStart = rsMin(mtls.dimX, sc->xStart);
	mtls.xEnd = rsMin(mtls.dimX, sc->xEnd);
	if (mtls.xStart >= mtls.xEnd) return;
	}

	if (!sc \|\| (sc->yEnd == 0)) {
	mtls.yEnd = mtls.dimY;
	} else {
	rsAssert(sc->yStart < mtls.dimY);
	rsAssert(sc->yEnd <= mtls.dimY);
	rsAssert(sc->yStart < sc->yEnd);
	mtls.yStart = rsMin(mtls.dimY, sc->yStart);
	mtls.yEnd = rsMin(mtls.dimY, sc->yEnd);
	if (mtls.yStart >= mtls.yEnd) return;
	}

	mtls.xEnd = rsMax((uint32_t)1, mtls.xEnd);
	mtls.yEnd = rsMax((uint32_t)1, mtls.yEnd);
	mtls.zEnd = rsMax((uint32_t)1, mtls.zEnd);
	mtls.arrayEnd = rsMax((uint32_t)1, mtls.arrayEnd);

	rsAssert(ain->getType()->getDimZ() == 0);

	setupGLState(rsc);
	setupScript(rsc);
	Script * oldTLS = setTLS(this);

	mtls.rsc = rsc;
	mtls.ain = ain;
	mtls.aout = aout;
	mtls.script = this;
	mtls.usr = usr;
	mtls.mSliceSize = 10;
	mtls.mSliceNum = 0;

	mtls.ptrIn = NULL;
	mtls.eStrideIn = 0;
	if (ain) {
	mtls.ptrIn = (const uint8_t *)ain->getPtr();
	mtls.eStrideIn = ain->getType()->getElementSizeBytes();
	}

	mtls.ptrOut = NULL;
	mtls.eStrideOut = 0;
	if (aout) {
	mtls.ptrOut = (uint8_t *)aout->getPtr();
	mtls.eStrideOut = aout->getType()->getElementSizeBytes();
	}

	if ((rsc->getWorkerPoolSize() > 1) && mEnviroment.mIsThreadable) {
	if (mtls.dimY > 1) {
	rsc->launchThreads(wc_xy, &mtls);
	} else {
	rsc->launchThreads(wc_x, &mtls);
	}

	//LOGE("launch 1");
	} 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++) {
	uint32_t offset = mtls.dimX * mtls.dimY * mtls.dimZ * ar +
	mtls.dimX * mtls.dimY * z +
	mtls.dimX * y;
	uint8_t xPtrOut = mtls.ptrOut + (mtls.eStrideOut offset);
	const uint8_t xPtrIn = mtls.ptrIn + (mtls.eStrideIn offset);

	for (uint32_t x = mtls.xStart; x < mtls.xEnd; x++) {
	((rs_t)mProgram.mRoot) (xPtrIn, xPtrOut, usr, x, y, z, ar);
	xPtrIn += mtls.eStrideIn;
	xPtrOut += mtls.eStrideOut;
	}
	}
	}
	}
	}

	setTLS(oldTLS);
	}

	void ScriptC::Invoke(Context rsc, uint32_t slot, const void data, uint32_t len) {
	if ((slot >= mEnviroment.mInvokeFunctionCount) \|\|
	(mEnviroment.mInvokeFunctions[slot] == NULL)) {
	rsc->setError(RS_ERROR_BAD_SCRIPT, "Calling invoke on bad script");
	return;
	}
	setupScript(rsc);
	Script * oldTLS = setTLS(this);

	if (rsc->props.mLogScripts) {
	LOGV("%p ScriptC::Invoke invoking slot %i, ptr %p", rsc, slot, mEnviroment.mInvokeFunctions[slot]);
	}
	((void ()(const void , uint32_t))
	mEnviroment.mInvokeFunctions[slot])(data, len);
	if (rsc->props.mLogScripts) {
	LOGV("%p ScriptC::Invoke complete", rsc);
	}

	setTLS(oldTLS);
	}

	ScriptCState::ScriptCState() {
	mScript.clear();
	}

	ScriptCState::~ScriptCState() {
	mScript.clear();
	}

	void ScriptCState::init(Context *rsc) {
	clear(rsc);
	}

	void ScriptCState::clear(Context *rsc) {
	rsAssert(rsc);
	mScript.clear();
	mScript.set(new ScriptC(rsc));
	}

	static BCCvoid* symbolLookup(BCCvoid* pContext, const BCCchar* name) {
	const ScriptCState::SymbolTable_t *sym;
	ScriptC s = (ScriptC )pContext;
	if (!strcmp(name, "__isThreadable")) {
	return (BCCvoid*) s->mEnviroment.mIsThreadable;
	} else if (!strcmp(name, "__clearThreadable")) {
	s->mEnviroment.mIsThreadable = false;
	return NULL;
	}
	sym = ScriptCState::lookupSymbol(name);
	if (!sym) {
	sym = ScriptCState::lookupSymbolCL(name);
	}
	if (!sym) {
	sym = ScriptCState::lookupSymbolGL(name);
	}
	if (sym) {
	s->mEnviroment.mIsThreadable &= sym->threadable;
	return sym->mPtr;
	}
	LOGE("ScriptC sym lookup failed for %s", name);
	return NULL;
	}

	extern const char rs_runtime_lib_bc[];
	extern unsigned rs_runtime_lib_bc_size;

	void ScriptCState::runCompiler(Context *rsc,
	ScriptC *s,
	const char *resName,
	const char *cacheDir) {
	{
	s->mBccScript = bccCreateScript();

	s->mEnviroment.mIsThreadable = true;

	bccRegisterSymbolCallback(s->mBccScript, symbolLookup, s);

	if (bccReadBC(s->mBccScript,
	s->mEnviroment.mScriptText,
	s->mEnviroment.mScriptTextLength,
	/deprecated/ 0, /deprecated/ 0,
	resName, cacheDir) != 0) {
	LOGE("bcc: FAILS to read bitcode");
	// Handle Fatal Error
	}

	#if 0
	if (bccLinkBC(s->mBccScript,
	rs_runtime_lib_bc,
	rs_runtime_lib_bc_size) != 0) {
	LOGE("bcc: FAILS to link bitcode");
	// Handle Fatal Error
	}
	#endif

	if (bccPrepareExecutable(s->mBccScript) != 0) {
	LOGE("bcc: FAILS to prepare executable");
	// Handle Fatal Error
	}

	bccGetScriptLabel(s->mBccScript, "root", (BCCvoid**) &s->mProgram.mRoot);
	bccGetScriptLabel(s->mBccScript, "init", (BCCvoid**) &s->mProgram.mInit);
	}
	LOGV("%p ScriptCState::runCompiler root %p, init %p", rsc, s->mProgram.mRoot, s->mProgram.mInit);

	if (s->mProgram.mInit) {
	s->mProgram.mInit();
	}

	bccGetExportFuncs(s->mBccScript, (BCCsizei*) &s->mEnviroment.mInvokeFunctionCount, 0, NULL);
	if (s->mEnviroment.mInvokeFunctionCount <= 0)
	s->mEnviroment.mInvokeFunctions = NULL;
	else {
	s->mEnviroment.mInvokeFunctions = (Script::InvokeFunc_t*) calloc(s->mEnviroment.mInvokeFunctionCount, sizeof(Script::InvokeFunc_t));
	bccGetExportFuncs(s->mBccScript, NULL, s->mEnviroment.mInvokeFunctionCount, (BCCvoid **) s->mEnviroment.mInvokeFunctions);
	}

	bccGetExportVars(s->mBccScript, (BCCsizei*) &s->mEnviroment.mFieldCount, 0, NULL);
	if (s->mEnviroment.mFieldCount <= 0)
	s->mEnviroment.mFieldAddress = NULL;
	else {
	s->mEnviroment.mFieldAddress = (void *) calloc(s->mEnviroment.mFieldCount, sizeof(void ));
	bccGetExportVars(s->mBccScript, NULL, s->mEnviroment.mFieldCount, (BCCvoid **) s->mEnviroment.mFieldAddress);
	s->initSlots();
	}

	s->mEnviroment.mFragment.set(rsc->getDefaultProgramFragment());
	s->mEnviroment.mVertex.set(rsc->getDefaultProgramVertex());
	s->mEnviroment.mFragmentStore.set(rsc->getDefaultProgramStore());
	s->mEnviroment.mRaster.set(rsc->getDefaultProgramRaster());

	if (s->mProgram.mRoot) {
	const static int pragmaMax = 16;
	BCCsizei pragmaCount;
	BCCchar * str[pragmaMax];
	bccGetPragmas(s->mBccScript, &pragmaCount, pragmaMax, &str[0]);

	for (int ct=0; ct < pragmaCount; ct+=2) {
	//LOGE("pragme %s %s", str[ct], str[ct+1]);
	if (!strcmp(str[ct], "version")) {
	continue;
	}

	if (!strcmp(str[ct], "stateVertex")) {
	if (!strcmp(str[ct+1], "default")) {
	continue;
	}
	if (!strcmp(str[ct+1], "parent")) {
	s->mEnviroment.mVertex.clear();
	continue;
	}
	LOGE("Unreconized value %s passed to stateVertex", str[ct+1]);
	}

	if (!strcmp(str[ct], "stateRaster")) {
	if (!strcmp(str[ct+1], "default")) {
	continue;
	}
	if (!strcmp(str[ct+1], "parent")) {
	s->mEnviroment.mRaster.clear();
	continue;
	}
	LOGE("Unreconized value %s passed to stateRaster", str[ct+1]);
	}

	if (!strcmp(str[ct], "stateFragment")) {
	if (!strcmp(str[ct+1], "default")) {
	continue;
	}
	if (!strcmp(str[ct+1], "parent")) {
	s->mEnviroment.mFragment.clear();
	continue;
	}
	LOGE("Unreconized value %s passed to stateFragment", str[ct+1]);
	}

	if (!strcmp(str[ct], "stateStore")) {
	if (!strcmp(str[ct+1], "default")) {
	continue;
	}
	if (!strcmp(str[ct+1], "parent")) {
	s->mEnviroment.mFragmentStore.clear();
	continue;
	}
	LOGE("Unreconized value %s passed to stateStore", str[ct+1]);
	}

	}


	} else {
	LOGE("bcc: FAILS to prepare executable");
	// Handle Fatal Error
	}
	}

	namespace android {
	namespace renderscript {

	void rsi_ScriptCBegin(Context * rsc) {
	ScriptCState *ss = &rsc->mScriptC;
	ss->clear(rsc);
	}

	void rsi_ScriptCSetText(Context rsc, const char text, uint32_t len) {
	ScriptCState *ss = &rsc->mScriptC;

	char t = (char )malloc(len + 1);
	memcpy(t, text, len);
	t[len] = 0;
	ss->mScript->mEnviroment.mScriptText = t;
	ss->mScript->mEnviroment.mScriptTextLength = len;
	}


	RsScript rsi_ScriptCCreate(Context *rsc,
	const char packageName / deprecated */,
	const char *resName,
	const char *cacheDir)
	{
	ScriptCState *ss = &rsc->mScriptC;

	ObjectBaseRef<ScriptC> s(ss->mScript);
	ss->mScript.clear();
	s->incUserRef();

	ss->runCompiler(rsc, s.get(), resName, cacheDir);
	ss->clear(rsc);
	return s.get();
	}

	}
	}