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authorgit perforce import user <a@b>2016-10-25 12:29:14 -0600
committerSheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees>2016-10-25 18:56:37 -0500
commit3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch)
treefa6485c169e50d7415a651bf838f5bcd0fd3bfbd /APEX_1.4/module/clothing/src/ClothingCooking.cpp
downloadphysx-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.cpp163
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
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--- /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();
+ }
+}
+
+}
+}
+