Jason Sams | e4a06c5 | 2011-03-16 16:29:28 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "rsdCore.h" |
| 18 | #include "rsdBcc.h" |
| 19 | |
| 20 | #include <malloc.h> |
| 21 | #include "rsContext.h" |
| 22 | |
Jason Sams | 55d2a25 | 2011-03-17 16:12:47 -0700 | [diff] [blame] | 23 | #include <sys/types.h> |
| 24 | #include <sys/resource.h> |
| 25 | #include <sched.h> |
| 26 | #include <cutils/properties.h> |
| 27 | #include <cutils/sched_policy.h> |
| 28 | #include <sys/syscall.h> |
| 29 | #include <string.h> |
| 30 | |
Jason Sams | e4a06c5 | 2011-03-16 16:29:28 -0700 | [diff] [blame] | 31 | using namespace android; |
| 32 | using namespace android::renderscript; |
| 33 | |
Jason Sams | 55d2a25 | 2011-03-17 16:12:47 -0700 | [diff] [blame] | 34 | static void Shutdown(Context *rsc); |
| 35 | static void SetPriority(const Context *rsc, int32_t priority); |
| 36 | |
Jason Sams | e4a06c5 | 2011-03-16 16:29:28 -0700 | [diff] [blame] | 37 | static RsdHalFunctions FunctionTable = { |
Jason Sams | 55d2a25 | 2011-03-17 16:12:47 -0700 | [diff] [blame] | 38 | Shutdown, |
Jason Sams | e4a06c5 | 2011-03-16 16:29:28 -0700 | [diff] [blame] | 39 | NULL, |
Jason Sams | 55d2a25 | 2011-03-17 16:12:47 -0700 | [diff] [blame] | 40 | SetPriority, |
Jason Sams | e4a06c5 | 2011-03-16 16:29:28 -0700 | [diff] [blame] | 41 | { |
| 42 | rsdScriptInit, |
| 43 | rsdScriptInvokeFunction, |
| 44 | rsdScriptInvokeRoot, |
Jason Sams | 55d2a25 | 2011-03-17 16:12:47 -0700 | [diff] [blame] | 45 | rsdScriptInvokeForEach, |
Jason Sams | e4a06c5 | 2011-03-16 16:29:28 -0700 | [diff] [blame] | 46 | rsdScriptInvokeInit, |
| 47 | rsdScriptSetGlobalVar, |
| 48 | rsdScriptSetGlobalBind, |
| 49 | rsdScriptSetGlobalObj, |
| 50 | rsdScriptDestroy |
| 51 | } |
| 52 | }; |
| 53 | |
| 54 | |
Jason Sams | 55d2a25 | 2011-03-17 16:12:47 -0700 | [diff] [blame] | 55 | |
| 56 | static void * HelperThreadProc(void *vrsc) { |
| 57 | Context *rsc = static_cast<Context *>(vrsc); |
| 58 | RsHal *dc = (RsHal *)rsc->mHal.drv; |
| 59 | |
| 60 | |
| 61 | uint32_t idx = (uint32_t)android_atomic_inc(&dc->mWorkers.mLaunchCount); |
| 62 | |
| 63 | //LOGV("RS helperThread starting %p idx=%i", rsc, idx); |
| 64 | |
| 65 | dc->mWorkers.mLaunchSignals[idx].init(); |
| 66 | dc->mWorkers.mNativeThreadId[idx] = gettid(); |
| 67 | |
| 68 | #if 0 |
| 69 | typedef struct {uint64_t bits[1024 / 64]; } cpu_set_t; |
| 70 | cpu_set_t cpuset; |
| 71 | memset(&cpuset, 0, sizeof(cpuset)); |
| 72 | cpuset.bits[idx / 64] |= 1ULL << (idx % 64); |
| 73 | int ret = syscall(241, rsc->mWorkers.mNativeThreadId[idx], |
| 74 | sizeof(cpuset), &cpuset); |
| 75 | LOGE("SETAFFINITY ret = %i %s", ret, EGLUtils::strerror(ret)); |
| 76 | #endif |
| 77 | |
| 78 | int status = pthread_setspecific(rsc->gThreadTLSKey, rsc->mTlsStruct); |
| 79 | if (status) { |
| 80 | LOGE("pthread_setspecific %i", status); |
| 81 | } |
| 82 | |
| 83 | while (!dc->mExit) { |
| 84 | dc->mWorkers.mLaunchSignals[idx].wait(); |
| 85 | if (dc->mWorkers.mLaunchCallback) { |
| 86 | dc->mWorkers.mLaunchCallback(dc->mWorkers.mLaunchData, idx); |
| 87 | } |
| 88 | android_atomic_dec(&dc->mWorkers.mRunningCount); |
| 89 | dc->mWorkers.mCompleteSignal.set(); |
| 90 | } |
| 91 | |
| 92 | //LOGV("RS helperThread exited %p idx=%i", rsc, idx); |
| 93 | return NULL; |
| 94 | } |
| 95 | |
| 96 | void rsdLaunchThreads(Context *rsc, WorkerCallback_t cbk, void *data) { |
| 97 | RsHal *dc = (RsHal *)rsc->mHal.drv; |
| 98 | |
| 99 | dc->mWorkers.mLaunchData = data; |
| 100 | dc->mWorkers.mLaunchCallback = cbk; |
| 101 | android_atomic_release_store(dc->mWorkers.mCount, &dc->mWorkers.mRunningCount); |
| 102 | for (uint32_t ct = 0; ct < dc->mWorkers.mCount; ct++) { |
| 103 | dc->mWorkers.mLaunchSignals[ct].set(); |
| 104 | } |
| 105 | while (android_atomic_acquire_load(&dc->mWorkers.mRunningCount) != 0) { |
| 106 | dc->mWorkers.mCompleteSignal.wait(); |
| 107 | } |
| 108 | } |
| 109 | |
Jason Sams | e4a06c5 | 2011-03-16 16:29:28 -0700 | [diff] [blame] | 110 | bool rsdHalInit(Context *rsc, uint32_t version_major, uint32_t version_minor) { |
| 111 | rsc->mHal.funcs = FunctionTable; |
| 112 | |
Jason Sams | 55d2a25 | 2011-03-17 16:12:47 -0700 | [diff] [blame] | 113 | RsHal *dc = (RsHal *)calloc(1, sizeof(RsHal)); |
Jason Sams | 80e29cf | 2011-03-18 17:08:54 -0700 | [diff] [blame^] | 114 | if (!dc) { |
| 115 | LOGE("Calloc for driver hal failed."); |
Jason Sams | e4a06c5 | 2011-03-16 16:29:28 -0700 | [diff] [blame] | 116 | return false; |
| 117 | } |
Jason Sams | 55d2a25 | 2011-03-17 16:12:47 -0700 | [diff] [blame] | 118 | rsc->mHal.drv = dc; |
Jason Sams | e4a06c5 | 2011-03-16 16:29:28 -0700 | [diff] [blame] | 119 | |
Jason Sams | 55d2a25 | 2011-03-17 16:12:47 -0700 | [diff] [blame] | 120 | |
| 121 | int cpu = sysconf(_SC_NPROCESSORS_ONLN); |
| 122 | LOGV("RS Launching thread(s), reported CPU count %i", cpu); |
| 123 | if (cpu < 2) cpu = 0; |
| 124 | |
| 125 | dc->mWorkers.mCount = (uint32_t)cpu; |
| 126 | dc->mWorkers.mThreadId = (pthread_t *) calloc(dc->mWorkers.mCount, sizeof(pthread_t)); |
| 127 | dc->mWorkers.mNativeThreadId = (pid_t *) calloc(dc->mWorkers.mCount, sizeof(pid_t)); |
| 128 | dc->mWorkers.mLaunchSignals = new Signal[dc->mWorkers.mCount]; |
| 129 | dc->mWorkers.mLaunchCallback = NULL; |
| 130 | |
| 131 | dc->mWorkers.mCompleteSignal.init(); |
| 132 | |
| 133 | android_atomic_release_store(dc->mWorkers.mCount, &dc->mWorkers.mRunningCount); |
| 134 | android_atomic_release_store(0, &dc->mWorkers.mLaunchCount); |
| 135 | |
| 136 | int status; |
| 137 | pthread_attr_t threadAttr; |
| 138 | status = pthread_attr_init(&threadAttr); |
| 139 | if (status) { |
| 140 | LOGE("Failed to init thread attribute."); |
| 141 | return false; |
| 142 | } |
| 143 | |
| 144 | for (uint32_t ct=0; ct < dc->mWorkers.mCount; ct++) { |
| 145 | status = pthread_create(&dc->mWorkers.mThreadId[ct], &threadAttr, HelperThreadProc, rsc); |
| 146 | if (status) { |
| 147 | dc->mWorkers.mCount = ct; |
| 148 | LOGE("Created fewer than expected number of RS threads."); |
| 149 | break; |
| 150 | } |
| 151 | } |
| 152 | while (android_atomic_acquire_load(&dc->mWorkers.mRunningCount) != 0) { |
| 153 | usleep(100); |
| 154 | } |
| 155 | |
| 156 | pthread_attr_destroy(&threadAttr); |
Jason Sams | e4a06c5 | 2011-03-16 16:29:28 -0700 | [diff] [blame] | 157 | return true; |
| 158 | } |
| 159 | |
Jason Sams | 55d2a25 | 2011-03-17 16:12:47 -0700 | [diff] [blame] | 160 | |
| 161 | void SetPriority(const Context *rsc, int32_t priority) { |
| 162 | RsHal *dc = (RsHal *)rsc->mHal.drv; |
| 163 | for (uint32_t ct=0; ct < dc->mWorkers.mCount; ct++) { |
| 164 | setpriority(PRIO_PROCESS, dc->mWorkers.mNativeThreadId[ct], priority); |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | void Shutdown(Context *rsc) { |
| 169 | RsHal *dc = (RsHal *)rsc->mHal.drv; |
| 170 | |
| 171 | dc->mExit = true; |
| 172 | dc->mWorkers.mLaunchData = NULL; |
| 173 | dc->mWorkers.mLaunchCallback = NULL; |
| 174 | android_atomic_release_store(dc->mWorkers.mCount, &dc->mWorkers.mRunningCount); |
| 175 | for (uint32_t ct = 0; ct < dc->mWorkers.mCount; ct++) { |
| 176 | dc->mWorkers.mLaunchSignals[ct].set(); |
| 177 | } |
| 178 | int status; |
| 179 | void *res; |
| 180 | for (uint32_t ct = 0; ct < dc->mWorkers.mCount; ct++) { |
| 181 | status = pthread_join(dc->mWorkers.mThreadId[ct], &res); |
| 182 | } |
| 183 | rsAssert(android_atomic_acquire_load(&dc->mWorkers.mRunningCount) == 0); |
| 184 | } |
| 185 | |
| 186 | |