1 files changed, 545 insertions, 0 deletions

diff --git a/libs/rs/driver/rsdBcc.cpp b/libs/rs/driver/rsdBcc.cpp
new file mode 100644
index 0000000..2038a4c
--- /dev/null
+++ b/libs/rs/driver/rsdBcc.cpp
@@ -0,0 +1,545 @@
+/*
+ * Copyright (C) 2011 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 "rsdCore.h"
+#include "rsdBcc.h"
+
+#include "rsContext.h"
+#include "rsScriptC.h"
+
+#include "utils/Timers.h"
+#include "utils/StopWatch.h"
+extern "C" {
+#include "libdex/ZipArchive.h"
+}
+
+
+using namespace android;
+using namespace android::renderscript;
+
+struct DrvScript {
+    int (*mRoot)();
+    void (*mInit)();
+
+    BCCScriptRef mBccScript;
+
+    uint32_t mInvokeFunctionCount;
+    InvokeFunc_t *mInvokeFunctions;
+    uint32_t mFieldCount;
+    void ** mFieldAddress;
+    bool * mFieldIsObject;
+
+    const uint8_t * mScriptText;
+    uint32_t mScriptTextLength;
+
+    //uint32_t * mObjectSlots;
+    //uint32_t mObjectSlotCount;
+
+    uint32_t mPragmaCount;
+    const char ** mPragmaKeys;
+    const char ** mPragmaValues;
+
+};
+
+static Script * setTLS(Script *sc) {
+    ScriptTLSStruct * tls = (ScriptTLSStruct *)pthread_getspecific(Context::gThreadTLSKey);
+    rsAssert(tls);
+    Script *old = tls->mScript;
+    tls->mScript = sc;
+    return old;
+}
+
+
+// Input: cacheDir
+// Input: resName
+// Input: extName
+//
+// Note: cacheFile = resName + extName
+//
+// Output: Returns cachePath == cacheDir + cacheFile
+static char *genCacheFileName(const char *cacheDir,
+                              const char *resName,
+                              const char *extName) {
+    char cachePath[512];
+    char cacheFile[sizeof(cachePath)];
+    const size_t kBufLen = sizeof(cachePath) - 1;
+
+    cacheFile[0] = '\0';
+    // Note: resName today is usually something like
+    //       "/com.android.fountain:raw/fountain"
+    if (resName[0] != '/') {
+        // Get the absolute path of the raw/***.bc file.
+
+        // Generate the absolute path.  This doesn't do everything it
+        // should, e.g. if resName is "./out/whatever" it doesn't crunch
+        // the leading "./" out because this if-block is not triggered,
+        // but it'll make do.
+        //
+        if (getcwd(cacheFile, kBufLen) == NULL) {
+            LOGE("Can't get CWD while opening raw/***.bc file\n");
+            return NULL;
+        }
+        // Append "/" at the end of cacheFile so far.
+        strncat(cacheFile, "/", kBufLen);
+    }
+
+    // cacheFile = resName + extName
+    //
+    strncat(cacheFile, resName, kBufLen);
+    if (extName != NULL) {
+        // TODO(srhines): strncat() is a bit dangerous
+        strncat(cacheFile, extName, kBufLen);
+    }
+
+    // Turn the path into a flat filename by replacing
+    // any slashes after the first one with '@' characters.
+    char *cp = cacheFile + 1;
+    while (*cp != '\0') {
+        if (*cp == '/') {
+            *cp = '@';
+        }
+        cp++;
+    }
+
+    // Tack on the file name for the actual cache file path.
+    strncpy(cachePath, cacheDir, kBufLen);
+    strncat(cachePath, cacheFile, kBufLen);
+
+    LOGV("Cache file for '%s' '%s' is '%s'\n", resName, extName, cachePath);
+    return strdup(cachePath);
+}
+
+bool rsdScriptInit(const Context *rsc,
+                     ScriptC *script,
+                     char const *resName,
+                     char const *cacheDir,
+                     uint8_t const *bitcode,
+                     size_t bitcodeSize,
+                     uint32_t flags,
+                     RsHalSymbolLookupFunc lookupFunc) {
+    //LOGE("rsdScriptCreate %p %p %p %p %i %i %p", rsc, resName, cacheDir, bitcode, bitcodeSize, flags, lookupFunc);
+
+    char *cachePath = NULL;
+    uint32_t objectSlotCount = 0;
+
+    DrvScript *drv = (DrvScript *)calloc(1, sizeof(DrvScript));
+    if (drv == NULL) {
+        return false;
+    }
+    script->mHal.drv = drv;
+
+    drv->mBccScript = bccCreateScript();
+    script->mHal.info.isThreadable = true;
+    drv->mScriptText = bitcode;
+    drv->mScriptTextLength = bitcodeSize;
+
+    //LOGE("mBccScript %p", script->mBccScript);
+
+    if (bccRegisterSymbolCallback(drv->mBccScript, lookupFunc, script) != 0) {
+        LOGE("bcc: FAILS to register symbol callback");
+        goto error;
+    }
+
+    if (bccReadBC(drv->mBccScript,
+                  resName,
+                  (char const *)drv->mScriptText,
+                  drv->mScriptTextLength, 0) != 0) {
+        LOGE("bcc: FAILS to read bitcode");
+        return NULL;
+    }
+
+#if 1
+    if (bccLinkFile(drv->mBccScript, "/system/lib/libclcore.bc", 0) != 0) {
+        LOGE("bcc: FAILS to link bitcode");
+        return NULL;
+    }
+#endif
+    cachePath = genCacheFileName(cacheDir, resName, ".oBCC");
+
+    if (bccPrepareExecutable(drv->mBccScript, cachePath, 0) != 0) {
+        LOGE("bcc: FAILS to prepare executable");
+        return NULL;
+    }
+
+    free(cachePath);
+
+    drv->mRoot = reinterpret_cast<int (*)()>(bccGetFuncAddr(drv->mBccScript, "root"));
+    drv->mInit = reinterpret_cast<void (*)()>(bccGetFuncAddr(drv->mBccScript, "init"));
+
+    drv->mInvokeFunctionCount = bccGetExportFuncCount(drv->mBccScript);
+    if (drv->mInvokeFunctionCount <= 0)
+        drv->mInvokeFunctions = NULL;
+    else {
+        drv->mInvokeFunctions = (InvokeFunc_t*) calloc(drv->mInvokeFunctionCount, sizeof(InvokeFunc_t));
+        bccGetExportFuncList(drv->mBccScript, drv->mInvokeFunctionCount, (void **) drv->mInvokeFunctions);
+    }
+
+    drv->mFieldCount = bccGetExportVarCount(drv->mBccScript);
+    if (drv->mFieldCount <= 0) {
+        drv->mFieldAddress = NULL;
+        drv->mFieldIsObject = NULL;
+    } else {
+        drv->mFieldAddress = (void **) calloc(drv->mFieldCount, sizeof(void *));
+        drv->mFieldIsObject = (bool *) calloc(drv->mFieldCount, sizeof(bool));
+        bccGetExportVarList(drv->mBccScript, drv->mFieldCount, (void **) drv->mFieldAddress);
+    }
+
+    objectSlotCount = bccGetObjectSlotCount(drv->mBccScript);
+    if (objectSlotCount) {
+        uint32_t * slots = new uint32_t[objectSlotCount];
+        bccGetObjectSlotList(drv->mBccScript, objectSlotCount, slots);
+        for (uint32_t ct=0; ct < objectSlotCount; ct++) {
+            drv->mFieldIsObject[slots[ct]] = true;
+        }
+        delete [] slots;
+    }
+
+    uint32_t mPragmaCount;
+    const char ** mPragmaKeys;
+    const char ** mPragmaValues;
+
+    const static int pragmaMax = 16;
+    drv->mPragmaCount = bccGetPragmaCount(drv->mBccScript);
+    if (drv->mPragmaCount <= 0) {
+        drv->mPragmaKeys = NULL;
+        drv->mPragmaValues = NULL;
+    } else {
+        drv->mPragmaKeys = (const char **) calloc(drv->mFieldCount, sizeof(const char *));
+        drv->mPragmaValues = (const char **) calloc(drv->mFieldCount, sizeof(const char *));
+        bccGetPragmaList(drv->mBccScript, drv->mPragmaCount, drv->mPragmaKeys, drv->mPragmaValues);
+    }
+
+
+
+    // Copy info over to runtime
+    script->mHal.info.exportedFunctionCount = drv->mInvokeFunctionCount;
+    script->mHal.info.exportedVariableCount = drv->mFieldCount;
+    script->mHal.info.exportedPragmaCount = drv->mPragmaCount;
+    script->mHal.info.exportedPragmaKeyList = drv->mPragmaKeys;
+    script->mHal.info.exportedPragmaValueList = drv->mPragmaValues;
+    script->mHal.info.root = drv->mRoot;
+
+
+    return true;
+
+error:
+
+    free(drv);
+    return false;
+
+}
+
+typedef struct {
+    Context *rsc;
+    Script *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->mHal.info.root) (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->mHal.info.root) (xPtrIn, xPtrOut, mtls->usr, x, 0, 0, 0);
+            xPtrIn += mtls->eStrideIn;
+            xPtrOut += mtls->eStrideOut;
+        }
+    }
+}
+
+void rsdScriptInvokeForEach(const Context *rsc,
+                            Script *s,
+                            const Allocation * ain,
+                            Allocation * aout,
+                            const void * usr,
+                            uint32_t usrLen,
+                            const RsScriptCall *sc) {
+
+    RsHal * dc = (RsHal *)rsc->mHal.drv;
+
+    MTLaunchStruct mtls;
+    memset(&mtls, 0, sizeof(mtls));
+
+    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);
+
+    Context *mrsc = (Context *)rsc;
+    Script * oldTLS = setTLS(s);
+
+    mtls.rsc = mrsc;
+    mtls.ain = ain;
+    mtls.aout = aout;
+    mtls.script = s;
+    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 ((dc->mWorkers.mCount > 1) && s->mHal.info.isThreadable) {
+        if (mtls.dimY > 1) {
+            rsdLaunchThreads(mrsc, wc_xy, &mtls);
+        } else {
+            rsdLaunchThreads(mrsc, 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)s->mHal.info.root) (xPtrIn, xPtrOut, usr, x, y, z, ar);
+                        xPtrIn += mtls.eStrideIn;
+                        xPtrOut += mtls.eStrideOut;
+                    }
+                }
+            }
+        }
+    }
+
+    setTLS(oldTLS);
+}
+
+
+int rsdScriptInvokeRoot(const Context *dc, Script *script) {
+    DrvScript *drv = (DrvScript *)script->mHal.drv;
+
+    Script * oldTLS = setTLS(script);
+    int ret = drv->mRoot();
+    setTLS(oldTLS);
+
+    return ret;
+}
+
+void rsdScriptInvokeInit(const Context *dc, Script *script) {
+    DrvScript *drv = (DrvScript *)script->mHal.drv;
+
+    if (drv->mInit) {
+        drv->mInit();
+    }
+}
+
+
+void rsdScriptInvokeFunction(const Context *dc, Script *script,
+                            uint32_t slot,
+                            const void *params,
+                            size_t paramLength) {
+    DrvScript *drv = (DrvScript *)script->mHal.drv;
+    //LOGE("invoke %p %p %i %p %i", dc, script, slot, params, paramLength);
+
+    Script * oldTLS = setTLS(script);
+    ((void (*)(const void *, uint32_t))
+        drv->mInvokeFunctions[slot])(params, paramLength);
+    setTLS(oldTLS);
+}
+
+void rsdScriptSetGlobalVar(const Context *dc, const Script *script,
+                           uint32_t slot, void *data, size_t dataLength) {
+    DrvScript *drv = (DrvScript *)script->mHal.drv;
+    //rsAssert(!script->mFieldIsObject[slot]);
+    //LOGE("setGlobalVar %p %p %i %p %i", dc, script, slot, data, dataLength);
+
+    int32_t *destPtr = ((int32_t **)drv->mFieldAddress)[slot];
+    if (!destPtr) {
+        //LOGV("Calling setVar on slot = %i which is null", slot);
+        return;
+    }
+
+    memcpy(destPtr, data, dataLength);
+}
+
+void rsdScriptSetGlobalBind(const Context *dc, const Script *script, uint32_t slot, void *data) {
+    DrvScript *drv = (DrvScript *)script->mHal.drv;
+    //rsAssert(!script->mFieldIsObject[slot]);
+    //LOGE("setGlobalBind %p %p %i %p", dc, script, slot, data);
+
+    int32_t *destPtr = ((int32_t **)drv->mFieldAddress)[slot];
+    if (!destPtr) {
+        //LOGV("Calling setVar on slot = %i which is null", slot);
+        return;
+    }
+
+    memcpy(destPtr, &data, sizeof(void *));
+}
+
+void rsdScriptSetGlobalObj(const Context *dc, const Script *script, uint32_t slot, ObjectBase *data) {
+    DrvScript *drv = (DrvScript *)script->mHal.drv;
+    //rsAssert(script->mFieldIsObject[slot]);
+    //LOGE("setGlobalObj %p %p %i %p", dc, script, slot, data);
+
+    int32_t *destPtr = ((int32_t **)drv->mFieldAddress)[slot];
+    if (!destPtr) {
+        //LOGV("Calling setVar on slot = %i which is null", slot);
+        return;
+    }
+
+    rsiSetObject((ObjectBase **)destPtr, data);
+}
+
+void rsdScriptDestroy(const Context *dc, Script *script) {
+    DrvScript *drv = (DrvScript *)script->mHal.drv;
+
+    if (drv->mFieldAddress) {
+        for (size_t ct=0; ct < drv->mFieldCount; ct++) {
+            if (drv->mFieldIsObject[ct]) {
+                rsiClearObject((ObjectBase **)&drv->mFieldAddress[ct]);
+            }
+        }
+        delete [] drv->mFieldAddress;
+        delete [] drv->mFieldIsObject;
+        drv->mFieldAddress = NULL;
+        drv->mFieldIsObject = NULL;
+        drv->mFieldCount = 0;
+    }
+
+    if (drv->mInvokeFunctions) {
+        delete [] drv->mInvokeFunctions;
+        drv->mInvokeFunctions = NULL;
+        drv->mInvokeFunctionCount = 0;
+    }
+    free(drv);
+    script->mHal.drv = NULL;
+
+}
+
+