From 2f4673ce1bea5002537cb3645f4f0f30bb79166d Mon Sep 17 00:00:00 2001
From: Ari Vuollet <ari.vuollet@kapsi.fi>
Date: Sat, 11 May 2024 19:01:45 +0300
Subject: [PATCH] Patch tracy for Windows on ARM

---
 Source/ThirdParty/tracy/client/TracyProfiler.hpp  | 2 ++
 Source/ThirdParty/tracy/client/tracy_rpmalloc.cpp | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/Source/ThirdParty/tracy/client/TracyProfiler.hpp b/Source/ThirdParty/tracy/client/TracyProfiler.hpp
index 8892fb14f..b303a4503 100644
--- a/Source/ThirdParty/tracy/client/TracyProfiler.hpp
+++ b/Source/ThirdParty/tracy/client/TracyProfiler.hpp
@@ -177,6 +177,8 @@ public:
 #  elif defined _WIN32
 #    ifdef TRACY_TIMER_QPC
         return GetTimeQpc();
+#    elif defined(_M_ARM64)
+        if( HardwareSupportsInvariantTSC() ) return int64_t( _ReadStatusReg(ARM64_PMCCNTR_EL0) );
 #    else
         if( HardwareSupportsInvariantTSC() ) return int64_t( __rdtsc() );
 #    endif
diff --git a/Source/ThirdParty/tracy/client/tracy_rpmalloc.cpp b/Source/ThirdParty/tracy/client/tracy_rpmalloc.cpp
index 711505d21..e94957552 100644
--- a/Source/ThirdParty/tracy/client/tracy_rpmalloc.cpp
+++ b/Source/ThirdParty/tracy/client/tracy_rpmalloc.cpp
@@ -781,7 +781,9 @@ rpmalloc_set_main_thread(void) {
 
 static void
 _rpmalloc_spin(void) {
-#if defined(_MSC_VER)
+#if defined(_MSC_VER) && defined(_M_ARM64)
+	__isb(_ARM64_BARRIER_SY);
+#elif defined(_MSC_VER)
 	_mm_pause();
 #elif defined(__x86_64__) || defined(__i386__)
 	__asm__ volatile("pause" ::: "memory");