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| author | git perforce import user <a@b> | 2016-10-25 12:29:14 -0600 |
|---|---|---|
| committer | Sheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees> | 2016-10-25 18:56:37 -0500 |
| commit | 3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch) | |
| tree | fa6485c169e50d7415a651bf838f5bcd0fd3bfbd /APEX_1.4/module/clothing/src/ClothingCooking.cpp | |
| download | physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.tar.xz physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.zip | |
Initial commit:
PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617
[CL 21300167]
Diffstat (limited to 'APEX_1.4/module/clothing/src/ClothingCooking.cpp')
| -rw-r--r-- | APEX_1.4/module/clothing/src/ClothingCooking.cpp | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/APEX_1.4/module/clothing/src/ClothingCooking.cpp b/APEX_1.4/module/clothing/src/ClothingCooking.cpp new file mode 100644 index 00000000..00950e85 --- /dev/null +++ b/APEX_1.4/module/clothing/src/ClothingCooking.cpp @@ -0,0 +1,163 @@ +/* + * Copyright (c) 2008-2015, NVIDIA CORPORATION. All rights reserved. + * + * NVIDIA CORPORATION and its licensors retain all intellectual property + * and proprietary rights in and to this software, related documentation + * and any modifications thereto. Any use, reproduction, disclosure or + * distribution of this software and related documentation without an express + * license agreement from NVIDIA CORPORATION is strictly prohibited. + */ + + +#include "ApexDefs.h" + +#include "ClothingCooking.h" +#include "PsMemoryBuffer.h" +#include "ParamArray.h" + +#include "CookingAbstract.h" + +#include "ClothingScene.h" + +#include "PsAtomic.h" + +namespace nvidia +{ +namespace clothing +{ + +void ClothingCookingLock::lockCooking() +{ + atomicIncrement(&mNumCookingDependencies); +} + + +void ClothingCookingLock::unlockCooking() +{ + atomicDecrement(&mNumCookingDependencies); +} + + +ClothingCookingTask::ClothingCookingTask(ClothingScene* clothingScene, CookingAbstract& _job) : job(&_job), nextTask(NULL), + mState(Uninit), mClothingScene(clothingScene), mResult(NULL), mLockedObject(NULL) +{ + PX_ASSERT(((size_t)(void*)(&mState) & 0x00000003) == 0); // check alignment, mState must be aligned for the atomic exchange operations + + PX_ASSERT(job != NULL); +} + + +ClothingCookingTask::~ClothingCookingTask() +{ + if (job != NULL) + { + PX_DELETE_AND_RESET(job); + } +} + + +void ClothingCookingTask::initCooking(PxTaskManager& tm, PxBaseTask* c) +{ + PxLightCpuTask::setContinuation(tm, c); + + int32_t oldState = atomicCompareExchange((int32_t*)(&mState), WaitForRun, Uninit); + PX_ASSERT(oldState == Uninit); + PX_UNUSED(oldState); +} + + +void ClothingCookingTask::run() +{ + // run + NvParameterized::Interface* result = NULL; + int32_t oldState = atomicCompareExchange((int32_t*)(&mState), Running, WaitForRun); + PX_ASSERT(oldState != ReadyForRelease && oldState != Aborting && oldState != WaitForFetch); + if (oldState == WaitForRun) // the change was successful + { + result = job->execute(); + } + + unlockObject(); + + // try to run the next task. Must be called before in a state where it will be deleted + mClothingScene->submitCookingTask(NULL); + + // finished + oldState = atomicCompareExchange((int32_t*)(&mState), WaitForFetch, Running); + if (oldState == Running) + { + mResult = result; + } + else + { + if (result != NULL) + { + result->destroy(); + result = NULL; + } + atomicExchange((int32_t*)(&mState), ReadyForRelease); + PX_ASSERT(mResult == NULL); + } +} + +NvParameterized::Interface* ClothingCookingTask::getResult() +{ + if (mResult != NULL) + { + int32_t oldState = atomicCompareExchange((int32_t*)(&mState), ReadyForRelease, WaitForFetch); + PX_ASSERT(oldState == WaitForFetch); + PX_UNUSED(oldState); + return mResult; + } + return NULL; +} + +void ClothingCookingTask::lockObject(ClothingCookingLock* lockedObject) +{ + if (mLockedObject != NULL) + { + mLockedObject->unlockCooking(); + } + + mLockedObject = lockedObject; + if (mLockedObject != NULL) + { + mLockedObject->lockCooking(); + } +} + +void ClothingCookingTask::unlockObject() +{ + if (mLockedObject != NULL) + { + mLockedObject->unlockCooking(); + mLockedObject = NULL; + } +} + +void ClothingCookingTask::abort() +{ + int32_t oldState = atomicExchange((int32_t*)(&mState), Aborting); + PX_ASSERT(oldState >= WaitForRun); + if (oldState == WaitForFetch) + { + atomicExchange((int32_t*)(&mState), ReadyForRelease); + if (mResult != NULL) + { + NvParameterized::Interface* oldParam = mResult; + mResult = NULL; + oldParam->destroy(); + } + unlockObject(); + } + else if (oldState != Running) + { + PX_ASSERT(mResult == NULL); + atomicExchange((int32_t*)(&mState), ReadyForRelease); + unlockObject(); + } +} + +} +} + |