310 lines
8.4 KiB
C++
310 lines
8.4 KiB
C++
/*
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* Copyright (C) 2011-2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "rsdCore.h"
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#include "rsdAllocation.h"
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#include "rsdBcc.h"
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#include "rsdGL.h"
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#include "rsdPath.h"
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#include "rsdProgramStore.h"
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#include "rsdProgramRaster.h"
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#include "rsdProgramVertex.h"
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#include "rsdProgramFragment.h"
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#include "rsdMesh.h"
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#include "rsdSampler.h"
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#include "rsdFrameBuffer.h"
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#include <malloc.h>
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#include "rsContext.h"
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#include <sys/types.h>
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#include <sys/resource.h>
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#include <sched.h>
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#include <cutils/properties.h>
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#include <sys/syscall.h>
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#include <string.h>
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#include <bcc/bcc.h>
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using namespace android;
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using namespace android::renderscript;
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static void Shutdown(Context *rsc);
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static void SetPriority(const Context *rsc, int32_t priority);
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static RsdHalFunctions FunctionTable = {
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rsdGLInit,
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rsdGLShutdown,
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rsdGLSetSurface,
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rsdGLSwap,
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Shutdown,
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NULL,
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SetPriority,
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{
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rsdScriptInit,
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rsdScriptInvokeFunction,
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rsdScriptInvokeRoot,
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rsdScriptInvokeForEach,
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rsdScriptInvokeInit,
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rsdScriptInvokeFreeChildren,
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rsdScriptSetGlobalVar,
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rsdScriptSetGlobalBind,
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rsdScriptSetGlobalObj,
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rsdScriptDestroy
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},
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{
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rsdAllocationInit,
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rsdAllocationDestroy,
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rsdAllocationResize,
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rsdAllocationSyncAll,
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rsdAllocationMarkDirty,
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rsdAllocationInitSurfaceTexture,
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rsdAllocationSetSurfaceTexture,
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rsdAllocationIoSend,
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rsdAllocationIoReceive,
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rsdAllocationData1D,
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rsdAllocationData2D,
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rsdAllocationData3D,
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rsdAllocationData1D_alloc,
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rsdAllocationData2D_alloc,
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rsdAllocationData3D_alloc,
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rsdAllocationElementData1D,
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rsdAllocationElementData2D
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},
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{
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rsdProgramStoreInit,
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rsdProgramStoreSetActive,
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rsdProgramStoreDestroy
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},
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{
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rsdProgramRasterInit,
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rsdProgramRasterSetActive,
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rsdProgramRasterDestroy
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},
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{
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rsdProgramVertexInit,
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rsdProgramVertexSetActive,
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rsdProgramVertexDestroy
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},
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{
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rsdProgramFragmentInit,
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rsdProgramFragmentSetActive,
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rsdProgramFragmentDestroy
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},
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{
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rsdMeshInit,
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rsdMeshDraw,
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rsdMeshDestroy
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},
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{
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rsdPathInitStatic,
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rsdPathInitDynamic,
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rsdPathDraw,
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rsdPathDestroy
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},
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{
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rsdSamplerInit,
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rsdSamplerDestroy
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},
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{
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rsdFrameBufferInit,
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rsdFrameBufferSetActive,
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rsdFrameBufferDestroy
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},
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};
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pthread_key_t rsdgThreadTLSKey = 0;
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uint32_t rsdgThreadTLSKeyCount = 0;
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pthread_mutex_t rsdgInitMutex = PTHREAD_MUTEX_INITIALIZER;
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static void * HelperThreadProc(void *vrsc) {
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Context *rsc = static_cast<Context *>(vrsc);
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RsdHal *dc = (RsdHal *)rsc->mHal.drv;
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uint32_t idx = (uint32_t)android_atomic_inc(&dc->mWorkers.mLaunchCount);
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//ALOGV("RS helperThread starting %p idx=%i", rsc, idx);
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dc->mWorkers.mLaunchSignals[idx].init();
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dc->mWorkers.mNativeThreadId[idx] = gettid();
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int status = pthread_setspecific(rsdgThreadTLSKey, &dc->mTlsStruct);
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if (status) {
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ALOGE("pthread_setspecific %i", status);
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}
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#if 0
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typedef struct {uint64_t bits[1024 / 64]; } cpu_set_t;
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cpu_set_t cpuset;
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memset(&cpuset, 0, sizeof(cpuset));
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cpuset.bits[idx / 64] |= 1ULL << (idx % 64);
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int ret = syscall(241, rsc->mWorkers.mNativeThreadId[idx],
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sizeof(cpuset), &cpuset);
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ALOGE("SETAFFINITY ret = %i %s", ret, EGLUtils::strerror(ret));
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#endif
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while (!dc->mExit) {
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dc->mWorkers.mLaunchSignals[idx].wait();
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if (dc->mWorkers.mLaunchCallback) {
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dc->mWorkers.mLaunchCallback(dc->mWorkers.mLaunchData, idx);
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}
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android_atomic_dec(&dc->mWorkers.mRunningCount);
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dc->mWorkers.mCompleteSignal.set();
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}
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//ALOGV("RS helperThread exited %p idx=%i", rsc, idx);
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return NULL;
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}
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void rsdLaunchThreads(Context *rsc, WorkerCallback_t cbk, void *data) {
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RsdHal *dc = (RsdHal *)rsc->mHal.drv;
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dc->mWorkers.mLaunchData = data;
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dc->mWorkers.mLaunchCallback = cbk;
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android_atomic_release_store(dc->mWorkers.mCount, &dc->mWorkers.mRunningCount);
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for (uint32_t ct = 0; ct < dc->mWorkers.mCount; ct++) {
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dc->mWorkers.mLaunchSignals[ct].set();
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}
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while (android_atomic_acquire_load(&dc->mWorkers.mRunningCount) != 0) {
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dc->mWorkers.mCompleteSignal.wait();
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}
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}
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bool rsdHalInit(Context *rsc, uint32_t version_major, uint32_t version_minor) {
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rsc->mHal.funcs = FunctionTable;
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RsdHal *dc = (RsdHal *)calloc(1, sizeof(RsdHal));
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if (!dc) {
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ALOGE("Calloc for driver hal failed.");
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return false;
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}
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rsc->mHal.drv = dc;
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pthread_mutex_lock(&rsdgInitMutex);
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if (!rsdgThreadTLSKeyCount) {
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int status = pthread_key_create(&rsdgThreadTLSKey, NULL);
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if (status) {
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ALOGE("Failed to init thread tls key.");
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pthread_mutex_unlock(&rsdgInitMutex);
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return false;
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}
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}
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rsdgThreadTLSKeyCount++;
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pthread_mutex_unlock(&rsdgInitMutex);
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dc->mTlsStruct.mContext = rsc;
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dc->mTlsStruct.mScript = NULL;
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int status = pthread_setspecific(rsdgThreadTLSKey, &dc->mTlsStruct);
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if (status) {
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ALOGE("pthread_setspecific %i", status);
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}
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int cpu = sysconf(_SC_NPROCESSORS_ONLN);
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ALOGV("%p Launching thread(s), CPUs %i", rsc, cpu);
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if(rsc->props.mDebugMaxThreads && (cpu > (int)rsc->props.mDebugMaxThreads)) {
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cpu = rsc->props.mDebugMaxThreads;
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}
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if (cpu < 2) {
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cpu = 0;
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}
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dc->mWorkers.mCount = (uint32_t)cpu;
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dc->mWorkers.mThreadId = (pthread_t *) calloc(dc->mWorkers.mCount, sizeof(pthread_t));
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dc->mWorkers.mNativeThreadId = (pid_t *) calloc(dc->mWorkers.mCount, sizeof(pid_t));
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dc->mWorkers.mLaunchSignals = new Signal[dc->mWorkers.mCount];
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dc->mWorkers.mLaunchCallback = NULL;
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dc->mWorkers.mCompleteSignal.init();
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android_atomic_release_store(dc->mWorkers.mCount, &dc->mWorkers.mRunningCount);
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android_atomic_release_store(0, &dc->mWorkers.mLaunchCount);
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pthread_attr_t threadAttr;
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status = pthread_attr_init(&threadAttr);
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if (status) {
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ALOGE("Failed to init thread attribute.");
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return false;
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}
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for (uint32_t ct=0; ct < dc->mWorkers.mCount; ct++) {
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status = pthread_create(&dc->mWorkers.mThreadId[ct], &threadAttr, HelperThreadProc, rsc);
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if (status) {
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dc->mWorkers.mCount = ct;
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ALOGE("Created fewer than expected number of RS threads.");
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break;
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}
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}
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while (android_atomic_acquire_load(&dc->mWorkers.mRunningCount) != 0) {
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usleep(100);
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}
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pthread_attr_destroy(&threadAttr);
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return true;
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}
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void SetPriority(const Context *rsc, int32_t priority) {
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RsdHal *dc = (RsdHal *)rsc->mHal.drv;
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for (uint32_t ct=0; ct < dc->mWorkers.mCount; ct++) {
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setpriority(PRIO_PROCESS, dc->mWorkers.mNativeThreadId[ct], priority);
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}
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if (dc->mHasGraphics) {
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rsdGLSetPriority(rsc, priority);
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}
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}
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void Shutdown(Context *rsc) {
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RsdHal *dc = (RsdHal *)rsc->mHal.drv;
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dc->mExit = true;
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dc->mWorkers.mLaunchData = NULL;
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dc->mWorkers.mLaunchCallback = NULL;
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android_atomic_release_store(dc->mWorkers.mCount, &dc->mWorkers.mRunningCount);
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for (uint32_t ct = 0; ct < dc->mWorkers.mCount; ct++) {
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dc->mWorkers.mLaunchSignals[ct].set();
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}
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int status;
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void *res;
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for (uint32_t ct = 0; ct < dc->mWorkers.mCount; ct++) {
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status = pthread_join(dc->mWorkers.mThreadId[ct], &res);
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}
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rsAssert(android_atomic_acquire_load(&dc->mWorkers.mRunningCount) == 0);
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// Global structure cleanup.
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pthread_mutex_lock(&rsdgInitMutex);
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--rsdgThreadTLSKeyCount;
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if (!rsdgThreadTLSKeyCount) {
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pthread_key_delete(rsdgThreadTLSKey);
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}
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pthread_mutex_unlock(&rsdgInitMutex);
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}
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