| /* |
| * Copyright (C) 2012 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 "rsCpuCore.h" |
| #include "rsCpuScript.h" |
| #include "rsCpuScriptGroup.h" |
| |
| #include <malloc.h> |
| #include "rsContext.h" |
| |
| #include <sys/types.h> |
| #include <sys/resource.h> |
| #include <sched.h> |
| #include <sys/syscall.h> |
| #include <string.h> |
| |
| #ifndef RS_SERVER |
| #include <cutils/properties.h> |
| #include "utils/StopWatch.h" |
| #endif |
| |
| #ifdef RS_SERVER |
| // Android exposes gettid(), standard Linux does not |
| static pid_t gettid() { |
| return syscall(SYS_gettid); |
| } |
| #endif |
| |
| using namespace android; |
| using namespace android::renderscript; |
| |
| typedef void (*outer_foreach_t)( |
| const android::renderscript::RsForEachStubParamStruct *, |
| uint32_t x1, uint32_t x2, |
| uint32_t instep, uint32_t outstep); |
| |
| |
| static pthread_key_t gThreadTLSKey = 0; |
| static uint32_t gThreadTLSKeyCount = 0; |
| static pthread_mutex_t gInitMutex = PTHREAD_MUTEX_INITIALIZER; |
| |
| RsdCpuReference::~RsdCpuReference() { |
| } |
| |
| RsdCpuReference * RsdCpuReference::create(Context *rsc, uint32_t version_major, |
| uint32_t version_minor, sym_lookup_t lfn, script_lookup_t slfn |
| #ifndef RS_COMPATIBILITY_LIB |
| , bcc::RSLinkRuntimeCallback pLinkRuntimeCallback, |
| RSSelectRTCallback pSelectRTCallback |
| #endif |
| ) { |
| |
| RsdCpuReferenceImpl *cpu = new RsdCpuReferenceImpl(rsc); |
| if (!cpu) { |
| return NULL; |
| } |
| if (!cpu->init(version_major, version_minor, lfn, slfn)) { |
| delete cpu; |
| return NULL; |
| } |
| |
| #ifndef RS_COMPATIBILITY_LIB |
| cpu->setLinkRuntimeCallback(pLinkRuntimeCallback); |
| cpu->setSelectRTCallback(pSelectRTCallback); |
| #endif |
| |
| return cpu; |
| } |
| |
| |
| Context * RsdCpuReference::getTlsContext() { |
| ScriptTLSStruct * tls = (ScriptTLSStruct *)pthread_getspecific(gThreadTLSKey); |
| return tls->mContext; |
| } |
| |
| const Script * RsdCpuReference::getTlsScript() { |
| ScriptTLSStruct * tls = (ScriptTLSStruct *)pthread_getspecific(gThreadTLSKey); |
| return tls->mScript; |
| } |
| |
| pthread_key_t RsdCpuReference::getThreadTLSKey(){ return gThreadTLSKey; } |
| |
| //////////////////////////////////////////////////////////// |
| /// |
| |
| RsdCpuReferenceImpl::RsdCpuReferenceImpl(Context *rsc) { |
| mRSC = rsc; |
| |
| version_major = 0; |
| version_minor = 0; |
| mInForEach = false; |
| memset(&mWorkers, 0, sizeof(mWorkers)); |
| memset(&mTlsStruct, 0, sizeof(mTlsStruct)); |
| mExit = false; |
| #ifndef RS_COMPATIBILITY_LIB |
| mLinkRuntimeCallback = NULL; |
| mSelectRTCallback = NULL; |
| #endif |
| } |
| |
| |
| void * RsdCpuReferenceImpl::helperThreadProc(void *vrsc) { |
| RsdCpuReferenceImpl *dc = (RsdCpuReferenceImpl *)vrsc; |
| |
| uint32_t idx = __sync_fetch_and_add(&dc->mWorkers.mLaunchCount, 1); |
| |
| //ALOGV("RS helperThread starting %p idx=%i", dc, idx); |
| |
| dc->mWorkers.mLaunchSignals[idx].init(); |
| dc->mWorkers.mNativeThreadId[idx] = gettid(); |
| |
| memset(&dc->mTlsStruct, 0, sizeof(dc->mTlsStruct)); |
| int status = pthread_setspecific(gThreadTLSKey, &dc->mTlsStruct); |
| if (status) { |
| ALOGE("pthread_setspecific %i", status); |
| } |
| |
| #if 0 |
| typedef struct {uint64_t bits[1024 / 64]; } cpu_set_t; |
| cpu_set_t cpuset; |
| memset(&cpuset, 0, sizeof(cpuset)); |
| cpuset.bits[idx / 64] |= 1ULL << (idx % 64); |
| int ret = syscall(241, rsc->mWorkers.mNativeThreadId[idx], |
| sizeof(cpuset), &cpuset); |
| ALOGE("SETAFFINITY ret = %i %s", ret, EGLUtils::strerror(ret)); |
| #endif |
| |
| while (!dc->mExit) { |
| dc->mWorkers.mLaunchSignals[idx].wait(); |
| if (dc->mWorkers.mLaunchCallback) { |
| // idx +1 is used because the calling thread is always worker 0. |
| dc->mWorkers.mLaunchCallback(dc->mWorkers.mLaunchData, idx+1); |
| } |
| __sync_fetch_and_sub(&dc->mWorkers.mRunningCount, 1); |
| dc->mWorkers.mCompleteSignal.set(); |
| } |
| |
| //ALOGV("RS helperThread exited %p idx=%i", dc, idx); |
| return NULL; |
| } |
| |
| void RsdCpuReferenceImpl::launchThreads(WorkerCallback_t cbk, void *data) { |
| mWorkers.mLaunchData = data; |
| mWorkers.mLaunchCallback = cbk; |
| |
| // fast path for very small launches |
| MTLaunchStruct *mtls = (MTLaunchStruct *)data; |
| if (mtls && mtls->fep.dimY <= 1 && mtls->xEnd <= mtls->xStart + mtls->mSliceSize) { |
| if (mWorkers.mLaunchCallback) { |
| mWorkers.mLaunchCallback(mWorkers.mLaunchData, 0); |
| } |
| return; |
| } |
| |
| mWorkers.mRunningCount = mWorkers.mCount; |
| __sync_synchronize(); |
| |
| for (uint32_t ct = 0; ct < mWorkers.mCount; ct++) { |
| mWorkers.mLaunchSignals[ct].set(); |
| } |
| |
| // We use the calling thread as one of the workers so we can start without |
| // the delay of the thread wakeup. |
| if (mWorkers.mLaunchCallback) { |
| mWorkers.mLaunchCallback(mWorkers.mLaunchData, 0); |
| } |
| |
| while (__sync_fetch_and_or(&mWorkers.mRunningCount, 0) != 0) { |
| mWorkers.mCompleteSignal.wait(); |
| } |
| } |
| |
| |
| void RsdCpuReferenceImpl::lockMutex() { |
| pthread_mutex_lock(&gInitMutex); |
| } |
| |
| void RsdCpuReferenceImpl::unlockMutex() { |
| pthread_mutex_unlock(&gInitMutex); |
| } |
| |
| bool RsdCpuReferenceImpl::init(uint32_t version_major, uint32_t version_minor, |
| sym_lookup_t lfn, script_lookup_t slfn) { |
| |
| mSymLookupFn = lfn; |
| mScriptLookupFn = slfn; |
| |
| lockMutex(); |
| if (!gThreadTLSKeyCount) { |
| int status = pthread_key_create(&gThreadTLSKey, NULL); |
| if (status) { |
| ALOGE("Failed to init thread tls key."); |
| unlockMutex(); |
| return false; |
| } |
| } |
| gThreadTLSKeyCount++; |
| unlockMutex(); |
| |
| mTlsStruct.mContext = mRSC; |
| mTlsStruct.mScript = NULL; |
| int status = pthread_setspecific(gThreadTLSKey, &mTlsStruct); |
| if (status) { |
| ALOGE("pthread_setspecific %i", status); |
| } |
| |
| int cpu = sysconf(_SC_NPROCESSORS_ONLN); |
| if(mRSC->props.mDebugMaxThreads) { |
| cpu = mRSC->props.mDebugMaxThreads; |
| } |
| if (cpu < 2) { |
| mWorkers.mCount = 0; |
| return true; |
| } |
| |
| // Subtract one from the cpu count because we also use the command thread as a worker. |
| mWorkers.mCount = (uint32_t)(cpu - 1); |
| |
| ALOGV("%p Launching thread(s), CPUs %i", mRSC, mWorkers.mCount + 1); |
| |
| mWorkers.mThreadId = (pthread_t *) calloc(mWorkers.mCount, sizeof(pthread_t)); |
| mWorkers.mNativeThreadId = (pid_t *) calloc(mWorkers.mCount, sizeof(pid_t)); |
| mWorkers.mLaunchSignals = new Signal[mWorkers.mCount]; |
| mWorkers.mLaunchCallback = NULL; |
| |
| mWorkers.mCompleteSignal.init(); |
| |
| mWorkers.mRunningCount = mWorkers.mCount; |
| mWorkers.mLaunchCount = 0; |
| __sync_synchronize(); |
| |
| pthread_attr_t threadAttr; |
| status = pthread_attr_init(&threadAttr); |
| if (status) { |
| ALOGE("Failed to init thread attribute."); |
| return false; |
| } |
| |
| for (uint32_t ct=0; ct < mWorkers.mCount; ct++) { |
| status = pthread_create(&mWorkers.mThreadId[ct], &threadAttr, helperThreadProc, this); |
| if (status) { |
| mWorkers.mCount = ct; |
| ALOGE("Created fewer than expected number of RS threads."); |
| break; |
| } |
| } |
| while (__sync_fetch_and_or(&mWorkers.mRunningCount, 0) != 0) { |
| usleep(100); |
| } |
| |
| pthread_attr_destroy(&threadAttr); |
| return true; |
| } |
| |
| |
| void RsdCpuReferenceImpl::setPriority(int32_t priority) { |
| for (uint32_t ct=0; ct < mWorkers.mCount; ct++) { |
| setpriority(PRIO_PROCESS, mWorkers.mNativeThreadId[ct], priority); |
| } |
| } |
| |
| RsdCpuReferenceImpl::~RsdCpuReferenceImpl() { |
| mExit = true; |
| mWorkers.mLaunchData = NULL; |
| mWorkers.mLaunchCallback = NULL; |
| mWorkers.mRunningCount = mWorkers.mCount; |
| __sync_synchronize(); |
| for (uint32_t ct = 0; ct < mWorkers.mCount; ct++) { |
| mWorkers.mLaunchSignals[ct].set(); |
| } |
| void *res; |
| for (uint32_t ct = 0; ct < mWorkers.mCount; ct++) { |
| pthread_join(mWorkers.mThreadId[ct], &res); |
| } |
| rsAssert(__sync_fetch_and_or(&mWorkers.mRunningCount, 0) == 0); |
| |
| // Global structure cleanup. |
| lockMutex(); |
| --gThreadTLSKeyCount; |
| if (!gThreadTLSKeyCount) { |
| pthread_key_delete(gThreadTLSKey); |
| } |
| unlockMutex(); |
| |
| } |
| |
| typedef void (*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; |
| RsForEachStubParamStruct p; |
| memcpy(&p, &mtls->fep, sizeof(p)); |
| p.lid = idx; |
| uint32_t sig = mtls->sig; |
| |
| outer_foreach_t fn = (outer_foreach_t) mtls->kernel; |
| while (1) { |
| uint32_t slice = (uint32_t)__sync_fetch_and_add(&mtls->mSliceNum, 1); |
| uint32_t yStart = mtls->yStart + slice * mtls->mSliceSize; |
| uint32_t yEnd = yStart + mtls->mSliceSize; |
| yEnd = rsMin(yEnd, mtls->yEnd); |
| if (yEnd <= yStart) { |
| return; |
| } |
| |
| //ALOGE("usr idx %i, x %i,%i y %i,%i", idx, mtls->xStart, mtls->xEnd, yStart, yEnd); |
| //ALOGE("usr ptr in %p, out %p", mtls->fep.ptrIn, mtls->fep.ptrOut); |
| |
| for (p.y = yStart; p.y < yEnd; p.y++) { |
| p.out = mtls->fep.ptrOut + (mtls->fep.yStrideOut * p.y) + |
| (mtls->fep.eStrideOut * mtls->xStart); |
| p.in = mtls->fep.ptrIn + (mtls->fep.yStrideIn * p.y) + |
| (mtls->fep.eStrideIn * mtls->xStart); |
| fn(&p, mtls->xStart, mtls->xEnd, mtls->fep.eStrideIn, mtls->fep.eStrideOut); |
| } |
| } |
| } |
| |
| static void wc_x(void *usr, uint32_t idx) { |
| MTLaunchStruct *mtls = (MTLaunchStruct *)usr; |
| RsForEachStubParamStruct p; |
| memcpy(&p, &mtls->fep, sizeof(p)); |
| p.lid = idx; |
| uint32_t sig = mtls->sig; |
| |
| outer_foreach_t fn = (outer_foreach_t) mtls->kernel; |
| while (1) { |
| uint32_t slice = (uint32_t)__sync_fetch_and_add(&mtls->mSliceNum, 1); |
| uint32_t xStart = mtls->xStart + slice * mtls->mSliceSize; |
| uint32_t xEnd = xStart + mtls->mSliceSize; |
| xEnd = rsMin(xEnd, mtls->xEnd); |
| if (xEnd <= xStart) { |
| return; |
| } |
| |
| //ALOGE("usr slice %i idx %i, x %i,%i", slice, idx, xStart, xEnd); |
| //ALOGE("usr ptr in %p, out %p", mtls->fep.ptrIn, mtls->fep.ptrOut); |
| |
| p.out = mtls->fep.ptrOut + (mtls->fep.eStrideOut * xStart); |
| p.in = mtls->fep.ptrIn + (mtls->fep.eStrideIn * xStart); |
| fn(&p, xStart, xEnd, mtls->fep.eStrideIn, mtls->fep.eStrideOut); |
| } |
| } |
| |
| void RsdCpuReferenceImpl::launchThreads(const Allocation * ain, Allocation * aout, |
| const RsScriptCall *sc, MTLaunchStruct *mtls) { |
| |
| //android::StopWatch kernel_time("kernel time"); |
| |
| if ((mWorkers.mCount >= 1) && mtls->isThreadable && !mInForEach) { |
| const size_t targetByteChunk = 16 * 1024; |
| mInForEach = true; |
| if (mtls->fep.dimY > 1) { |
| uint32_t s1 = mtls->fep.dimY / ((mWorkers.mCount + 1) * 4); |
| uint32_t s2 = 0; |
| |
| // This chooses our slice size to rate limit atomic ops to |
| // one per 16k bytes of reads/writes. |
| if (mtls->fep.yStrideOut) { |
| s2 = targetByteChunk / mtls->fep.yStrideOut; |
| } else { |
| s2 = targetByteChunk / mtls->fep.yStrideIn; |
| } |
| mtls->mSliceSize = rsMin(s1, s2); |
| |
| if(mtls->mSliceSize < 1) { |
| mtls->mSliceSize = 1; |
| } |
| |
| // mtls->mSliceSize = 2; |
| launchThreads(wc_xy, mtls); |
| } else { |
| uint32_t s1 = mtls->fep.dimX / ((mWorkers.mCount + 1) * 4); |
| uint32_t s2 = 0; |
| |
| // This chooses our slice size to rate limit atomic ops to |
| // one per 16k bytes of reads/writes. |
| if (mtls->fep.eStrideOut) { |
| s2 = targetByteChunk / mtls->fep.eStrideOut; |
| } else { |
| s2 = targetByteChunk / mtls->fep.eStrideIn; |
| } |
| mtls->mSliceSize = rsMin(s1, s2); |
| |
| if(mtls->mSliceSize < 1) { |
| mtls->mSliceSize = 1; |
| } |
| |
| launchThreads(wc_x, mtls); |
| } |
| mInForEach = false; |
| |
| //ALOGE("launch 1"); |
| } else { |
| RsForEachStubParamStruct p; |
| memcpy(&p, &mtls->fep, sizeof(p)); |
| uint32_t sig = mtls->sig; |
| |
| //ALOGE("launch 3"); |
| outer_foreach_t fn = (outer_foreach_t) mtls->kernel; |
| for (p.ar[0] = mtls->arrayStart; p.ar[0] < mtls->arrayEnd; p.ar[0]++) { |
| for (p.z = mtls->zStart; p.z < mtls->zEnd; p.z++) { |
| for (p.y = mtls->yStart; p.y < mtls->yEnd; p.y++) { |
| uint32_t offset = mtls->fep.dimY * mtls->fep.dimZ * p.ar[0] + |
| mtls->fep.dimY * p.z + p.y; |
| p.out = mtls->fep.ptrOut + (mtls->fep.yStrideOut * offset) + |
| (mtls->fep.eStrideOut * mtls->xStart); |
| p.in = mtls->fep.ptrIn + (mtls->fep.yStrideIn * offset) + |
| (mtls->fep.eStrideIn * mtls->xStart); |
| fn(&p, mtls->xStart, mtls->xEnd, mtls->fep.eStrideIn, mtls->fep.eStrideOut); |
| } |
| } |
| } |
| } |
| } |
| |
| RsdCpuScriptImpl * RsdCpuReferenceImpl::setTLS(RsdCpuScriptImpl *sc) { |
| //ALOGE("setTls %p", sc); |
| ScriptTLSStruct * tls = (ScriptTLSStruct *)pthread_getspecific(gThreadTLSKey); |
| rsAssert(tls); |
| RsdCpuScriptImpl *old = tls->mImpl; |
| tls->mImpl = sc; |
| tls->mContext = mRSC; |
| if (sc) { |
| tls->mScript = sc->getScript(); |
| } else { |
| tls->mScript = NULL; |
| } |
| return old; |
| } |
| |
| const RsdCpuReference::CpuSymbol * RsdCpuReferenceImpl::symLookup(const char *name) { |
| return mSymLookupFn(mRSC, name); |
| } |
| |
| |
| RsdCpuReference::CpuScript * RsdCpuReferenceImpl::createScript(const ScriptC *s, |
| char const *resName, char const *cacheDir, |
| uint8_t const *bitcode, size_t bitcodeSize, |
| uint32_t flags) { |
| |
| RsdCpuScriptImpl *i = new RsdCpuScriptImpl(this, s); |
| if (!i->init(resName, cacheDir, bitcode, bitcodeSize, flags)) { |
| delete i; |
| return NULL; |
| } |
| return i; |
| } |
| |
| extern RsdCpuScriptImpl * rsdIntrinsic_3DLUT(RsdCpuReferenceImpl *ctx, |
| const Script *s, const Element *e); |
| extern RsdCpuScriptImpl * rsdIntrinsic_Convolve3x3(RsdCpuReferenceImpl *ctx, |
| const Script *s, const Element *e); |
| extern RsdCpuScriptImpl * rsdIntrinsic_ColorMatrix(RsdCpuReferenceImpl *ctx, |
| const Script *s, const Element *e); |
| extern RsdCpuScriptImpl * rsdIntrinsic_LUT(RsdCpuReferenceImpl *ctx, |
| const Script *s, const Element *e); |
| extern RsdCpuScriptImpl * rsdIntrinsic_Convolve5x5(RsdCpuReferenceImpl *ctx, |
| const Script *s, const Element *e); |
| extern RsdCpuScriptImpl * rsdIntrinsic_Blur(RsdCpuReferenceImpl *ctx, |
| const Script *s, const Element *e); |
| extern RsdCpuScriptImpl * rsdIntrinsic_YuvToRGB(RsdCpuReferenceImpl *ctx, |
| const Script *s, const Element *e); |
| extern RsdCpuScriptImpl * rsdIntrinsic_Blend(RsdCpuReferenceImpl *ctx, |
| const Script *s, const Element *e); |
| |
| RsdCpuReference::CpuScript * RsdCpuReferenceImpl::createIntrinsic(const Script *s, |
| RsScriptIntrinsicID iid, Element *e) { |
| |
| RsdCpuScriptImpl *i = NULL; |
| switch (iid) { |
| case RS_SCRIPT_INTRINSIC_ID_3DLUT: |
| i = rsdIntrinsic_3DLUT(this, s, e); |
| break; |
| case RS_SCRIPT_INTRINSIC_ID_CONVOLVE_3x3: |
| i = rsdIntrinsic_Convolve3x3(this, s, e); |
| break; |
| case RS_SCRIPT_INTRINSIC_ID_COLOR_MATRIX: |
| i = rsdIntrinsic_ColorMatrix(this, s, e); |
| break; |
| case RS_SCRIPT_INTRINSIC_ID_LUT: |
| i = rsdIntrinsic_LUT(this, s, e); |
| break; |
| case RS_SCRIPT_INTRINSIC_ID_CONVOLVE_5x5: |
| i = rsdIntrinsic_Convolve5x5(this, s, e); |
| break; |
| case RS_SCRIPT_INTRINSIC_ID_BLUR: |
| i = rsdIntrinsic_Blur(this, s, e); |
| break; |
| case RS_SCRIPT_INTRINSIC_ID_YUV_TO_RGB: |
| i = rsdIntrinsic_YuvToRGB(this, s, e); |
| break; |
| case RS_SCRIPT_INTRINSIC_ID_BLEND: |
| i = rsdIntrinsic_Blend(this, s, e); |
| break; |
| |
| default: |
| rsAssert(0); |
| } |
| |
| return i; |
| } |
| |
| RsdCpuReference::CpuScriptGroup * RsdCpuReferenceImpl::createScriptGroup(const ScriptGroup *sg) { |
| CpuScriptGroupImpl *sgi = new CpuScriptGroupImpl(this, sg); |
| if (!sgi->init()) { |
| delete sgi; |
| return NULL; |
| } |
| return sgi; |
| } |
| |
| |
