Jolt Physics
A multi core friendly Game Physics Engine
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TickCounter.h
Go to the documentation of this file.
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// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
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// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
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// SPDX-License-Identifier: MIT
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#pragma once
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// Include for __rdtsc
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#if defined(JPH_PLATFORM_WINDOWS)
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#include <intrin.h>
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#elif defined(JPH_CPU_X86) && defined(JPH_COMPILER_GCC)
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#include <x86intrin.h>
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#endif
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JPH_NAMESPACE_BEGIN
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#if defined(JPH_PLATFORM_WINDOWS_UWP) || (defined(JPH_PLATFORM_WINDOWS) && defined(JPH_CPU_ARM))
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uint64
GetProcessorTickCount
();
// Not inline to avoid having to include Windows.h
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#else
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JPH_INLINE
uint64
GetProcessorTickCount
()
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{
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#if defined(JPH_PLATFORM_BLUE)
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return
JPH_PLATFORM_BLUE_GET_TICKS();
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#elif defined(JPH_CPU_X86)
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return
__rdtsc();
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#elif defined(JPH_CPU_ARM) && defined(JPH_USE_NEON)
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uint64
val;
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asm
volatile
(
"mrs %0, cntvct_el0"
:
"=r"
(val));
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return
val;
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#elif defined(JPH_CPU_ARM)
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return
0;
// Not supported
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#elif defined(JPH_CPU_WASM)
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return
0;
// Not supported
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#else
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#error Undefined
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#endif
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}
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#endif
// JPH_PLATFORM_WINDOWS_UWP || (JPH_PLATFORM_WINDOWS && JPH_CPU_ARM)
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JPH_NAMESPACE_END
uint64
std::uint64_t uint64
Definition
Core.h:430
JPH_NAMESPACE_END
#define JPH_NAMESPACE_END
Definition
Core.h:354
JPH_NAMESPACE_BEGIN
#define JPH_NAMESPACE_BEGIN
Definition
Core.h:348
GetProcessorTickCount
JPH_NAMESPACE_BEGIN JPH_INLINE uint64 GetProcessorTickCount()
Functionality to get the processors cycle counter.
Definition
TickCounter.h:24
Jolt
Core
TickCounter.h
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