merge from eclair

1 files changed, 815 insertions, 0 deletions

diff --git a/libs/rs/rsContext.cpp b/libs/rs/rsContext.cpp
new file mode 100644
index 000000000000..3e4cc36bc36a
--- /dev/null
+++ b/libs/rs/rsContext.cpp
@@ -0,0 +1,815 @@
+/*
+ * 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 "rsDevice.h"
+#include "rsContext.h"
+#include "rsThreadIO.h"
+#include <ui/FramebufferNativeWindow.h>
+#include <ui/EGLUtils.h>
+
+#include <cutils/properties.h>
+
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+
+using namespace android;
+using namespace android::renderscript;
+
+pthread_key_t Context::gThreadTLSKey = 0;
+uint32_t Context::gThreadTLSKeyCount = 0;
+uint32_t Context::gGLContextCount = 0;
+pthread_mutex_t Context::gInitMutex = PTHREAD_MUTEX_INITIALIZER;
+
+static void checkEglError(const char* op, EGLBoolean returnVal = EGL_TRUE) {
+    if (returnVal != EGL_TRUE) {
+        fprintf(stderr, "%s() returned %d\n", op, returnVal);
+    }
+
+    for (EGLint error = eglGetError(); error != EGL_SUCCESS; error
+            = eglGetError()) {
+        fprintf(stderr, "after %s() eglError %s (0x%x)\n", op, EGLUtils::strerror(error),
+                error);
+    }
+}
+
+void Context::initEGL()
+{
+    mEGL.mNumConfigs = -1;
+    EGLint configAttribs[128];
+    EGLint *configAttribsPtr = configAttribs;
+
+    memset(configAttribs, 0, sizeof(configAttribs));
+
+    configAttribsPtr[0] = EGL_SURFACE_TYPE;
+    configAttribsPtr[1] = EGL_WINDOW_BIT;
+    configAttribsPtr += 2;
+
+    if (mUseDepth) {
+        configAttribsPtr[0] = EGL_DEPTH_SIZE;
+        configAttribsPtr[1] = 16;
+        configAttribsPtr += 2;
+    }
+
+    if (mDev->mForceSW) {
+        configAttribsPtr[0] = EGL_CONFIG_CAVEAT;
+        configAttribsPtr[1] = EGL_SLOW_CONFIG;
+        configAttribsPtr += 2;
+    }
+
+    configAttribsPtr[0] = EGL_NONE;
+    rsAssert(configAttribsPtr < (configAttribs + (sizeof(configAttribs) / sizeof(EGLint))));
+
+    LOGV("initEGL start");
+    mEGL.mDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+    checkEglError("eglGetDisplay");
+
+    eglInitialize(mEGL.mDisplay, &mEGL.mMajorVersion, &mEGL.mMinorVersion);
+    checkEglError("eglInitialize");
+
+    status_t err = EGLUtils::selectConfigForNativeWindow(mEGL.mDisplay, configAttribs, mWndSurface, &mEGL.mConfig);
+    if (err) {
+       LOGE("couldn't find an EGLConfig matching the screen format\n");
+    }
+    //eglChooseConfig(mEGL.mDisplay, configAttribs, &mEGL.mConfig, 1, &mEGL.mNumConfigs);
+
+
+    mEGL.mContext = eglCreateContext(mEGL.mDisplay, mEGL.mConfig, EGL_NO_CONTEXT, NULL);
+    checkEglError("eglCreateContext");
+    if (mEGL.mContext == EGL_NO_CONTEXT) {
+        LOGE("eglCreateContext returned EGL_NO_CONTEXT");
+    }
+    gGLContextCount++;
+
+    if (mWndSurface) {
+        setSurface(mWndSurface);
+    } else {
+        setSurface((Surface *)android_createDisplaySurface());
+    }
+
+    eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_WIDTH, &mEGL.mWidth);
+    eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_HEIGHT, &mEGL.mHeight);
+
+
+    mGL.mVersion = glGetString(GL_VERSION);
+    mGL.mVendor = glGetString(GL_VENDOR);
+    mGL.mRenderer = glGetString(GL_RENDERER);
+    mGL.mExtensions = glGetString(GL_EXTENSIONS);
+
+    LOGV("EGL Version %i %i", mEGL.mMajorVersion, mEGL.mMinorVersion);
+    LOGV("GL Version %s", mGL.mVersion);
+    LOGV("GL Vendor %s", mGL.mVendor);
+    LOGV("GL Renderer %s", mGL.mRenderer);
+    LOGV("GL Extensions %s", mGL.mExtensions);
+
+    if ((strlen((const char *)mGL.mVersion) < 12) || memcmp(mGL.mVersion, "OpenGL ES-CM", 12)) {
+        LOGE("Error, OpenGL ES Lite not supported");
+    } else {
+        sscanf((const char *)mGL.mVersion + 13, "%i.%i", &mGL.mMajorVersion, &mGL.mMinorVersion);
+    }
+}
+
+void Context::deinitEGL()
+{
+    setSurface(NULL);
+    eglDestroyContext(mEGL.mDisplay, mEGL.mContext);
+    checkEglError("eglDestroyContext");
+
+    gGLContextCount--;
+    if (!gGLContextCount) {
+        eglTerminate(mEGL.mDisplay);
+    }
+}
+
+
+bool Context::runScript(Script *s, uint32_t launchID)
+{
+    ObjectBaseRef<ProgramFragment> frag(mFragment);
+    ObjectBaseRef<ProgramVertex> vtx(mVertex);
+    ObjectBaseRef<ProgramFragmentStore> store(mFragmentStore);
+    ObjectBaseRef<ProgramRaster> raster(mRaster);
+
+    bool ret = s->run(this, launchID);
+
+    mFragment.set(frag);
+    mVertex.set(vtx);
+    mFragmentStore.set(store);
+    mRaster.set(raster);
+    return ret;
+}
+
+
+bool Context::runRootScript()
+{
+    if (props.mLogTimes) {
+        timerSet(RS_TIMER_CLEAR_SWAP);
+    }
+    rsAssert(mRootScript->mEnviroment.mIsRoot);
+
+    eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_WIDTH, &mEGL.mWidth);
+    eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_HEIGHT, &mEGL.mHeight);
+    glViewport(0, 0, mEGL.mWidth, mEGL.mHeight);
+    glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
+
+    glClearColor(mRootScript->mEnviroment.mClearColor[0],
+                 mRootScript->mEnviroment.mClearColor[1],
+                 mRootScript->mEnviroment.mClearColor[2],
+                 mRootScript->mEnviroment.mClearColor[3]);
+    if (mUseDepth) {
+        glDepthMask(GL_TRUE);
+        glClearDepthf(mRootScript->mEnviroment.mClearDepth);
+        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    } else {
+        glClear(GL_COLOR_BUFFER_BIT);
+    }
+
+    if (this->props.mLogTimes) {
+        timerSet(RS_TIMER_SCRIPT);
+    }
+    mStateFragmentStore.mLast.clear();
+    bool ret = runScript(mRootScript.get(), 0);
+
+    GLenum err = glGetError();
+    if (err != GL_NO_ERROR) {
+        LOGE("Pending GL Error, 0x%x", err);
+    }
+
+    return ret;
+}
+
+uint64_t Context::getTime() const
+{
+    struct timespec t;
+    clock_gettime(CLOCK_MONOTONIC, &t);
+    return t.tv_nsec + ((uint64_t)t.tv_sec * 1000 * 1000 * 1000);
+}
+
+void Context::timerReset()
+{
+    for (int ct=0; ct < _RS_TIMER_TOTAL; ct++) {
+        mTimers[ct] = 0;
+    }
+}
+
+void Context::timerInit()
+{
+    mTimeLast = getTime();
+    mTimeFrame = mTimeLast;
+    mTimeLastFrame = mTimeLast;
+    mTimerActive = RS_TIMER_INTERNAL;
+    timerReset();
+}
+
+void Context::timerFrame()
+{
+    mTimeLastFrame = mTimeFrame;
+    mTimeFrame = getTime();
+}
+
+void Context::timerSet(Timers tm)
+{
+    uint64_t last = mTimeLast;
+    mTimeLast = getTime();
+    mTimers[mTimerActive] += mTimeLast - last;
+    mTimerActive = tm;
+}
+
+void Context::timerPrint()
+{
+    double total = 0;
+    for (int ct = 0; ct < _RS_TIMER_TOTAL; ct++) {
+        total += mTimers[ct];
+    }
+    uint64_t frame = mTimeFrame - mTimeLastFrame;
+
+    LOGV("RS: Frame (%lli),   Script %2.1f (%lli),  Clear & Swap %2.1f (%lli),  Idle %2.1f (%lli),  Internal %2.1f (%lli)",
+         frame / 1000000,
+         100.0 * mTimers[RS_TIMER_SCRIPT] / total, mTimers[RS_TIMER_SCRIPT] / 1000000,
+         100.0 * mTimers[RS_TIMER_CLEAR_SWAP] / total, mTimers[RS_TIMER_CLEAR_SWAP] / 1000000,
+         100.0 * mTimers[RS_TIMER_IDLE] / total, mTimers[RS_TIMER_IDLE] / 1000000,
+         100.0 * mTimers[RS_TIMER_INTERNAL] / total, mTimers[RS_TIMER_INTERNAL] / 1000000);
+}
+
+void Context::setupCheck()
+{
+    mFragmentStore->setupGL(this, &mStateFragmentStore);
+    mFragment->setupGL(this, &mStateFragment);
+    mRaster->setupGL(this, &mStateRaster);
+    mVertex->setupGL(this, &mStateVertex);
+}
+
+static bool getProp(const char *str)
+{
+    char buf[PROPERTY_VALUE_MAX];
+    property_get(str, buf, "0");
+    return 0 != strcmp(buf, "0");
+}
+
+void * Context::threadProc(void *vrsc)
+{
+     Context *rsc = static_cast<Context *>(vrsc);
+
+     rsc->props.mLogTimes = getProp("debug.rs.profile");
+     rsc->props.mLogScripts = getProp("debug.rs.script");
+     rsc->props.mLogObjects = getProp("debug.rs.objects");
+
+     pthread_mutex_lock(&gInitMutex);
+     rsc->initEGL();
+     pthread_mutex_unlock(&gInitMutex);
+
+     ScriptTLSStruct *tlsStruct = new ScriptTLSStruct;
+     if (!tlsStruct) {
+         LOGE("Error allocating tls storage");
+         return NULL;
+     }
+     tlsStruct->mContext = rsc;
+     tlsStruct->mScript = NULL;
+     int status = pthread_setspecific(rsc->gThreadTLSKey, tlsStruct);
+     if (status) {
+         LOGE("pthread_setspecific %i", status);
+     }
+
+     rsc->mStateRaster.init(rsc, rsc->mEGL.mWidth, rsc->mEGL.mHeight);
+     rsc->setRaster(NULL);
+     rsc->mStateVertex.init(rsc, rsc->mEGL.mWidth, rsc->mEGL.mHeight);
+     rsc->setVertex(NULL);
+     rsc->mStateFragment.init(rsc, rsc->mEGL.mWidth, rsc->mEGL.mHeight);
+     rsc->setFragment(NULL);
+     rsc->mStateFragmentStore.init(rsc, rsc->mEGL.mWidth, rsc->mEGL.mHeight);
+     rsc->setFragmentStore(NULL);
+
+     rsc->mRunning = true;
+     bool mDraw = true;
+     while (!rsc->mExit) {
+         mDraw |= rsc->mIO.playCoreCommands(rsc, !mDraw);
+         mDraw &= (rsc->mRootScript.get() != NULL);
+         mDraw &= (rsc->mWndSurface != NULL);
+
+         if (mDraw) {
+             mDraw = rsc->runRootScript() && !rsc->mPaused;
+             if (rsc->props.mLogTimes) {
+                 rsc->timerSet(RS_TIMER_CLEAR_SWAP);
+             }
+             eglSwapBuffers(rsc->mEGL.mDisplay, rsc->mEGL.mSurface);
+             if (rsc->props.mLogTimes) {
+                 rsc->timerFrame();
+                 rsc->timerSet(RS_TIMER_INTERNAL);
+                 rsc->timerPrint();
+                 rsc->timerReset();
+             }
+         }
+         if (rsc->mObjDestroy.mNeedToEmpty) {
+             rsc->objDestroyOOBRun();
+         }
+     }
+
+     LOGV("RS Thread exiting");
+     rsc->mRaster.clear();
+     rsc->mFragment.clear();
+     rsc->mVertex.clear();
+     rsc->mFragmentStore.clear();
+     rsc->mRootScript.clear();
+     rsc->mStateRaster.deinit(rsc);
+     rsc->mStateVertex.deinit(rsc);
+     rsc->mStateFragment.deinit(rsc);
+     rsc->mStateFragmentStore.deinit(rsc);
+     ObjectBase::zeroAllUserRef(rsc);
+
+     rsc->mObjDestroy.mNeedToEmpty = true;
+     rsc->objDestroyOOBRun();
+
+     glClearColor(0,0,0,0);
+     glClear(GL_COLOR_BUFFER_BIT);
+     eglSwapBuffers(rsc->mEGL.mDisplay, rsc->mEGL.mSurface);
+
+     pthread_mutex_lock(&gInitMutex);
+     rsc->deinitEGL();
+     pthread_mutex_unlock(&gInitMutex);
+
+     LOGV("RS Thread exited");
+     return NULL;
+}
+
+Context::Context(Device *dev, Surface *sur, bool useDepth)
+{
+    pthread_mutex_lock(&gInitMutex);
+
+    dev->addContext(this);
+    mDev = dev;
+    mRunning = false;
+    mExit = false;
+    mUseDepth = useDepth;
+    mPaused = false;
+    mObjHead = NULL;
+
+    int status;
+    pthread_attr_t threadAttr;
+
+    if (!gThreadTLSKeyCount) {
+        status = pthread_key_create(&gThreadTLSKey, NULL);
+        if (status) {
+            LOGE("Failed to init thread tls key.");
+            pthread_mutex_unlock(&gInitMutex);
+            return;
+        }
+    }
+    gThreadTLSKeyCount++;
+    pthread_mutex_unlock(&gInitMutex);
+
+    // Global init done at this point.
+
+    status = pthread_attr_init(&threadAttr);
+    if (status) {
+        LOGE("Failed to init thread attribute.");
+        return;
+    }
+
+    sched_param sparam;
+    sparam.sched_priority = ANDROID_PRIORITY_DISPLAY;
+    pthread_attr_setschedparam(&threadAttr, &sparam);
+
+    mWndSurface = sur;
+
+    objDestroyOOBInit();
+    timerInit();
+    timerSet(RS_TIMER_INTERNAL);
+
+    LOGV("RS Launching thread");
+    status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
+    if (status) {
+        LOGE("Failed to start rs context thread.");
+    }
+
+    while(!mRunning) {
+        usleep(100);
+    }
+
+    pthread_attr_destroy(&threadAttr);
+}
+
+Context::~Context()
+{
+    LOGV("Context::~Context");
+    mExit = true;
+    mPaused = false;
+    void *res;
+
+    mIO.shutdown();
+    int status = pthread_join(mThreadId, &res);
+    mObjDestroy.mNeedToEmpty = true;
+    objDestroyOOBRun();
+
+    // Global structure cleanup.
+    pthread_mutex_lock(&gInitMutex);
+    if (mDev) {
+        mDev->removeContext(this);
+        --gThreadTLSKeyCount;
+        if (!gThreadTLSKeyCount) {
+            pthread_key_delete(gThreadTLSKey);
+        }
+        mDev = NULL;
+    }
+    pthread_mutex_unlock(&gInitMutex);
+
+    objDestroyOOBDestroy();
+}
+
+void Context::setSurface(Surface *sur)
+{
+    EGLBoolean ret;
+    if (mEGL.mSurface != NULL) {
+        ret = eglMakeCurrent(mEGL.mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+        checkEglError("eglMakeCurrent", ret);
+
+        ret = eglDestroySurface(mEGL.mDisplay, mEGL.mSurface);
+        checkEglError("eglDestroySurface", ret);
+
+        mEGL.mSurface = NULL;
+    }
+
+    mWndSurface = sur;
+    if (mWndSurface != NULL) {
+        mEGL.mSurface = eglCreateWindowSurface(mEGL.mDisplay, mEGL.mConfig, mWndSurface, NULL);
+        checkEglError("eglCreateWindowSurface");
+        if (mEGL.mSurface == EGL_NO_SURFACE) {
+            LOGE("eglCreateWindowSurface returned EGL_NO_SURFACE");
+        }
+
+        ret = eglMakeCurrent(mEGL.mDisplay, mEGL.mSurface, mEGL.mSurface, mEGL.mContext);
+        checkEglError("eglMakeCurrent", ret);
+    }
+}
+
+void Context::pause()
+{
+    mPaused = true;
+}
+
+void Context::resume()
+{
+    mPaused = false;
+}
+
+void Context::setRootScript(Script *s)
+{
+    mRootScript.set(s);
+}
+
+void Context::setFragmentStore(ProgramFragmentStore *pfs)
+{
+    if (pfs == NULL) {
+        mFragmentStore.set(mStateFragmentStore.mDefault);
+    } else {
+        mFragmentStore.set(pfs);
+    }
+}
+
+void Context::setFragment(ProgramFragment *pf)
+{
+    if (pf == NULL) {
+        mFragment.set(mStateFragment.mDefault);
+    } else {
+        mFragment.set(pf);
+    }
+}
+
+void Context::setRaster(ProgramRaster *pr)
+{
+    if (pr == NULL) {
+        mRaster.set(mStateRaster.mDefault);
+    } else {
+        mRaster.set(pr);
+    }
+}
+
+void Context::allocationCheck(const Allocation *a)
+{
+    mVertex->checkUpdatedAllocation(a);
+    mFragment->checkUpdatedAllocation(a);
+    mFragmentStore->checkUpdatedAllocation(a);
+}
+
+void Context::setVertex(ProgramVertex *pv)
+{
+    if (pv == NULL) {
+        mVertex.set(mStateVertex.mDefault);
+    } else {
+        mVertex.set(pv);
+    }
+    mVertex->forceDirty();
+}
+
+void Context::assignName(ObjectBase *obj, const char *name, uint32_t len)
+{
+    rsAssert(!obj->getName());
+    obj->setName(name, len);
+    mNames.add(obj);
+}
+
+void Context::removeName(ObjectBase *obj)
+{
+    for(size_t ct=0; ct < mNames.size(); ct++) {
+        if (obj == mNames[ct]) {
+            mNames.removeAt(ct);
+            return;
+        }
+    }
+}
+
+ObjectBase * Context::lookupName(const char *name) const
+{
+    for(size_t ct=0; ct < mNames.size(); ct++) {
+        if (!strcmp(name, mNames[ct]->getName())) {
+            return mNames[ct];
+        }
+    }
+    return NULL;
+}
+
+void Context::appendNameDefines(String8 *str) const
+{
+    char buf[256];
+    for (size_t ct=0; ct < mNames.size(); ct++) {
+        str->append("#define NAMED_");
+        str->append(mNames[ct]->getName());
+        str->append(" ");
+        sprintf(buf, "%i\n", (int)mNames[ct]);
+        str->append(buf);
+    }
+}
+
+void Context::appendVarDefines(String8 *str) const
+{
+    char buf[256];
+    for (size_t ct=0; ct < mInt32Defines.size(); ct++) {
+        str->append("#define ");
+        str->append(mInt32Defines.keyAt(ct));
+        str->append(" ");
+        sprintf(buf, "%i\n", (int)mInt32Defines.valueAt(ct));
+        str->append(buf);
+
+    }
+    for (size_t ct=0; ct < mFloatDefines.size(); ct++) {
+        str->append("#define ");
+        str->append(mFloatDefines.keyAt(ct));
+        str->append(" ");
+        sprintf(buf, "%ff\n", mFloatDefines.valueAt(ct));
+        str->append(buf);
+    }
+}
+
+bool Context::objDestroyOOBInit()
+{
+    int status = pthread_mutex_init(&mObjDestroy.mMutex, NULL);
+    if (status) {
+        LOGE("Context::ObjDestroyOOBInit mutex init failure");
+        return false;
+    }
+    return true;
+}
+
+void Context::objDestroyOOBRun()
+{
+    if (mObjDestroy.mNeedToEmpty) {
+        int status = pthread_mutex_lock(&mObjDestroy.mMutex);
+        if (status) {
+            LOGE("Context::ObjDestroyOOBRun: error %i locking for OOBRun.", status);
+            return;
+        }
+
+        for (size_t ct = 0; ct < mObjDestroy.mDestroyList.size(); ct++) {
+            mObjDestroy.mDestroyList[ct]->decUserRef();
+        }
+        mObjDestroy.mDestroyList.clear();
+        mObjDestroy.mNeedToEmpty = false;
+
+        status = pthread_mutex_unlock(&mObjDestroy.mMutex);
+        if (status) {
+            LOGE("Context::ObjDestroyOOBRun: error %i unlocking for set condition.", status);
+        }
+    }
+}
+
+void Context::objDestroyOOBDestroy()
+{
+    rsAssert(!mObjDestroy.mNeedToEmpty);
+    pthread_mutex_destroy(&mObjDestroy.mMutex);
+}
+
+void Context::objDestroyAdd(ObjectBase *obj)
+{
+    int status = pthread_mutex_lock(&mObjDestroy.mMutex);
+    if (status) {
+        LOGE("Context::ObjDestroyOOBRun: error %i locking for OOBRun.", status);
+        return;
+    }
+
+    mObjDestroy.mNeedToEmpty = true;
+    mObjDestroy.mDestroyList.add(obj);
+
+    status = pthread_mutex_unlock(&mObjDestroy.mMutex);
+    if (status) {
+        LOGE("Context::ObjDestroyOOBRun: error %i unlocking for set condition.", status);
+    }
+}
+
+uint32_t Context::getMessageToClient(void *data, size_t *receiveLen, size_t bufferLen, bool wait)
+{
+    //LOGE("getMessageToClient %i %i", bufferLen, wait);
+    if (!wait) {
+        if (mIO.mToClient.isEmpty()) {
+            // No message to get and not going to wait for one.
+            receiveLen = 0;
+            return 0;
+        }
+    }
+
+    //LOGE("getMessageToClient 2 con=%p", this);
+    uint32_t bytesData = 0;
+    uint32_t commandID = 0;
+    const void *d = mIO.mToClient.get(&commandID, &bytesData);
+    //LOGE("getMessageToClient 3    %i  %i", commandID, bytesData);
+
+    *receiveLen = bytesData;
+    if (bufferLen >= bytesData) {
+        memcpy(data, d, bytesData);
+        mIO.mToClient.next();
+        return commandID;
+    }
+    return 0;
+}
+
+bool Context::sendMessageToClient(void *data, uint32_t cmdID, size_t len, bool waitForSpace)
+{
+    //LOGE("sendMessageToClient %i %i %i", cmdID, len, waitForSpace);
+    if (cmdID == 0) {
+        LOGE("Attempting to send invalid command 0 to client.");
+        return false;
+    }
+    if (!waitForSpace) {
+        if (mIO.mToClient.getFreeSpace() < len) {
+            // Not enough room, and not waiting.
+            return false;
+        }
+    }
+    //LOGE("sendMessageToClient 2");
+    void *p = mIO.mToClient.reserve(len);
+    memcpy(p, data, len);
+    mIO.mToClient.commit(cmdID, len);
+    //LOGE("sendMessageToClient 3");
+    return true;
+}
+
+void Context::initToClient()
+{
+    while(!mRunning) {
+        usleep(100);
+    }
+}
+
+void Context::deinitToClient()
+{
+    mIO.mToClient.shutdown();
+}
+
+
+///////////////////////////////////////////////////////////////////////////////////////////
+//
+
+namespace android {
+namespace renderscript {
+
+
+void rsi_ContextBindRootScript(Context *rsc, RsScript vs)
+{
+    Script *s = static_cast<Script *>(vs);
+    rsc->setRootScript(s);
+}
+
+void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs)
+{
+    Sampler *s = static_cast<Sampler *>(vs);
+
+    if (slot > RS_MAX_SAMPLER_SLOT) {
+        LOGE("Invalid sampler slot");
+        return;
+    }
+
+    s->bindToContext(&rsc->mStateSampler, slot);
+}
+
+void rsi_ContextBindProgramFragmentStore(Context *rsc, RsProgramFragmentStore vpfs)
+{
+    ProgramFragmentStore *pfs = static_cast<ProgramFragmentStore *>(vpfs);
+    rsc->setFragmentStore(pfs);
+}
+
+void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf)
+{
+    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
+    rsc->setFragment(pf);
+}
+
+void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr)
+{
+    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
+    rsc->setRaster(pr);
+}
+
+void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv)
+{
+    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
+    rsc->setVertex(pv);
+}
+
+void rsi_AssignName(Context *rsc, void * obj, const char *name, uint32_t len)
+{
+    ObjectBase *ob = static_cast<ObjectBase *>(obj);
+    rsc->assignName(ob, name, len);
+}
+
+void rsi_ObjDestroy(Context *rsc, void *obj)
+{
+    ObjectBase *ob = static_cast<ObjectBase *>(obj);
+    rsc->removeName(ob);
+    ob->decUserRef();
+}
+
+void rsi_ContextSetDefineF(Context *rsc, const char* name, float value)
+{
+    rsc->addInt32Define(name, value);
+}
+
+void rsi_ContextSetDefineI32(Context *rsc, const char* name, int32_t value)
+{
+    rsc->addFloatDefine(name, value);
+}
+
+void rsi_ContextPause(Context *rsc)
+{
+    rsc->pause();
+}
+
+void rsi_ContextResume(Context *rsc)
+{
+    rsc->resume();
+}
+
+void rsi_ContextSetSurface(Context *rsc, void *sur)
+{
+    rsc->setSurface((Surface *)sur);
+}
+
+}
+}
+
+
+RsContext rsContextCreate(RsDevice vdev, void *sur, uint32_t version, bool useDepth)
+{
+    Device * dev = static_cast<Device *>(vdev);
+    Context *rsc = new Context(dev, (Surface *)sur, useDepth);
+    return rsc;
+}
+
+void rsContextDestroy(RsContext vrsc)
+{
+    Context * rsc = static_cast<Context *>(vrsc);
+    delete rsc;
+}
+
+void rsObjDestroyOOB(RsContext vrsc, void *obj)
+{
+    Context * rsc = static_cast<Context *>(vrsc);
+    rsc->objDestroyAdd(static_cast<ObjectBase *>(obj));
+}
+
+uint32_t rsContextGetMessage(RsContext vrsc, void *data, size_t *receiveLen, size_t bufferLen, bool wait)
+{
+    Context * rsc = static_cast<Context *>(vrsc);
+    return rsc->getMessageToClient(data, receiveLen, bufferLen, wait);
+}
+
+void rsContextInitToClient(RsContext vrsc)
+{
+    Context * rsc = static_cast<Context *>(vrsc);
+    rsc->initToClient();
+}
+
+void rsContextDeinitToClient(RsContext vrsc)
+{
+    Context * rsc = static_cast<Context *>(vrsc);
+    rsc->deinitToClient();
+}
+