68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
// Copyright 2009-2020 Intel Corporation
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
#pragma once
|
|
|
|
#include "../sys/platform.h"
|
|
#include "../sys/alloc.h"
|
|
#include "../sys/barrier.h"
|
|
#include "../sys/thread.h"
|
|
#include "../sys/mutex.h"
|
|
#include "../sys/condition.h"
|
|
#include "../sys/ref.h"
|
|
|
|
#if defined(__WIN32__)
|
|
# define NOMINMAX
|
|
#endif
|
|
|
|
// We need to define these to avoid implicit linkage against
|
|
// tbb_debug.lib under Windows. When removing these lines debug build
|
|
// under Windows fails.
|
|
#define __TBB_NO_IMPLICIT_LINKAGE 1
|
|
#define __TBBMALLOC_NO_IMPLICIT_LINKAGE 1
|
|
#define TBB_SUPPRESS_DEPRECATED_MESSAGES 1
|
|
#define TBB_PREVIEW_ISOLATED_TASK_GROUP 1
|
|
#include "tbb/tbb.h"
|
|
#include "tbb/parallel_sort.h"
|
|
|
|
namespace embree
|
|
{
|
|
struct TaskScheduler
|
|
{
|
|
/*! initializes the task scheduler */
|
|
static void create(size_t numThreads, bool set_affinity, bool start_threads);
|
|
|
|
/*! destroys the task scheduler again */
|
|
static void destroy();
|
|
|
|
/* returns the ID of the current thread */
|
|
static __forceinline size_t threadID()
|
|
{
|
|
return threadIndex();
|
|
}
|
|
|
|
/* returns the index (0..threadCount-1) of the current thread */
|
|
static __forceinline size_t threadIndex()
|
|
{
|
|
#if TBB_INTERFACE_VERSION >= 9100
|
|
return tbb::this_task_arena::current_thread_index();
|
|
#elif TBB_INTERFACE_VERSION >= 9000
|
|
return tbb::task_arena::current_thread_index();
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
/* returns the total number of threads */
|
|
static __forceinline size_t threadCount() {
|
|
#if TBB_INTERFACE_VERSION >= 9100
|
|
return tbb::this_task_arena::max_concurrency();
|
|
#else
|
|
return tbb::task_scheduler_init::default_num_threads();
|
|
#endif
|
|
}
|
|
|
|
};
|
|
|
|
};
|