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authorAnton Novoselov <[email protected]>2017-08-01 12:53:38 +0300
committerAnton Novoselov <[email protected]>2017-08-01 12:53:38 +0300
commit236f03c0b9a4982328ed1201978f7f69d192d9b2 (patch)
treee486f2fa39dba203563895541e92c60ed3e25759 /sdk/extensions/physx/source/physics/NvBlastExtPxTaskImpl.cpp
parentAdded screens to welcome page (diff)
downloadblast-236f03c0b9a4982328ed1201978f7f69d192d9b2.tar.xz
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Blast 1.1 release (windows / linux)
see docs/release_notes.txt for details
Diffstat (limited to 'sdk/extensions/physx/source/physics/NvBlastExtPxTaskImpl.cpp')
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+// This code contains NVIDIA Confidential Information and is disclosed to you
+// under a form of NVIDIA software license agreement provided separately to you.
+//
+// Notice
+// NVIDIA Corporation and its licensors retain all intellectual property and
+// proprietary rights in and to this software and 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.
+//
+// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
+// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
+// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
+// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// Information and code furnished is believed to be accurate and reliable.
+// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
+// information or for any infringement of patents or other rights of third parties that may
+// result from its use. No license is granted by implication or otherwise under any patent
+// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
+// This code supersedes and replaces all information previously supplied.
+// NVIDIA Corporation products are not authorized for use as critical
+// components in life support devices or systems without express written approval of
+// NVIDIA Corporation.
+//
+// Copyright (c) 2016-2017 NVIDIA Corporation. All rights reserved.
+
+
+#include "NvBlastGlobals.h"
+#include "NvBlastExtPxTaskImpl.h"
+
+#include "NvBlastTkGroup.h"
+
+using namespace Nv::Blast;
+
+
+uint32_t ExtGroupTaskManagerImpl::process(uint32_t workerCount)
+{
+ NVBLAST_CHECK_WARNING(m_group != nullptr, "ExtGroupTaskManager::process cannot process, no group set.", return 0);
+ NVBLAST_CHECK_WARNING(m_sync.isDone(), "ExtGroupTaskManager::process group is already being processed.", return 0);
+
+ // at least one task must start, even when dispatcher has none specified
+ uint32_t dispatcherThreads = m_taskManager.getCpuDispatcher()->getWorkerCount();
+ dispatcherThreads = dispatcherThreads > 0 ? dispatcherThreads : 1;
+
+ // not expecting an arbitrary amount of tasks
+ uint32_t availableTasks = TASKS_MAX_COUNT;
+
+ // use workerCount tasks, unless dispatcher has less threads or less tasks are available
+ uint32_t requestedTasks = workerCount > 0 ? workerCount : dispatcherThreads;
+ requestedTasks = requestedTasks > dispatcherThreads ? dispatcherThreads : requestedTasks;
+ requestedTasks = requestedTasks > availableTasks ? availableTasks : requestedTasks;
+
+ // ensure the group has enough memory allocated for concurrent processing
+ m_group->setWorkerCount(requestedTasks);
+
+ // check if there is work to do
+ uint32_t jobCount = m_group->startProcess();
+
+ if (jobCount)
+ {
+ // don't start more tasks than jobs are available
+ requestedTasks = requestedTasks > jobCount ? jobCount : requestedTasks;
+
+ // common counter for all tasks
+ m_counter.reset(jobCount);
+
+ // set to busy state
+ m_sync.setCount(requestedTasks);
+
+ // set up tasks
+ for (uint32_t i = 0; i < requestedTasks; i++)
+ {
+ m_tasks[i].setup(m_group, &m_counter, &m_sync);
+ m_tasks[i].setContinuation(m_taskManager, nullptr);
+ m_tasks[i].removeReference();
+ }
+
+ return requestedTasks;
+ }
+
+ // there was no work to be done
+ return 0;
+}
+
+
+bool ExtGroupTaskManagerImpl::wait(bool block)
+{
+ if (block && !m_sync.isDone())
+ {
+ m_sync.wait();
+ }
+ if (m_sync.isDone())
+ {
+ return m_group->endProcess();
+ }
+ return false;
+}
+
+
+void ExtGroupTaskManagerImpl::setGroup(TkGroup* group)
+{
+ NVBLAST_CHECK_WARNING(m_sync.isDone(), "ExtGroupTaskManager::setGroup trying to change group while processing.", return);
+
+ m_group = group;
+}
+
+
+ExtGroupTaskManager* ExtGroupTaskManager::create(physx::PxTaskManager& taskManager)
+{
+ return NVBLAST_NEW(ExtGroupTaskManagerImpl) (taskManager);
+}
+
+
+ExtGroupTaskManager* ExtGroupTaskManager::create(physx::PxTaskManager& taskManager, TkGroup& group)
+{
+ return NVBLAST_NEW(ExtGroupTaskManagerImpl) (taskManager, group);
+}
+
+
+void ExtGroupTaskManagerImpl::release()
+{
+ NVBLAST_CHECK_WARNING(m_sync.isDone(), "ExtGroupTaskManager::release group is still being processed.", return);
+
+ NVBLAST_DELETE(this, ExtGroupTaskManagerImpl);
+}