From 907507886d755fa56099713c4b8f05bb640a8b7d Mon Sep 17 00:00:00 2001
From: Morph <39850852+Morph1984@users.noreply.github.com>
Date: Sun, 28 May 2023 17:45:47 -0400
Subject: (wall, native)_clock: Add GetGPUTick

Allows us to directly calculate the GPU tick without double conversion to and from the host clock tick.
---
 src/common/x64/native_clock.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src/common/x64/native_clock.cpp')

diff --git a/src/common/x64/native_clock.cpp b/src/common/x64/native_clock.cpp
index 5d1eb0590..7d2a26bd9 100644
--- a/src/common/x64/native_clock.cpp
+++ b/src/common/x64/native_clock.cpp
@@ -12,7 +12,8 @@ NativeClock::NativeClock(u64 rdtsc_frequency_)
       ns_rdtsc_factor{GetFixedPoint64Factor(NsRatio::den, rdtsc_frequency)},
       us_rdtsc_factor{GetFixedPoint64Factor(UsRatio::den, rdtsc_frequency)},
       ms_rdtsc_factor{GetFixedPoint64Factor(MsRatio::den, rdtsc_frequency)},
-      cntpct_rdtsc_factor{GetFixedPoint64Factor(CNTFRQ, rdtsc_frequency)} {}
+      cntpct_rdtsc_factor{GetFixedPoint64Factor(CNTFRQ, rdtsc_frequency)},
+      gputick_rdtsc_factor{GetFixedPoint64Factor(GPUTickFreq, rdtsc_frequency)} {}
 
 std::chrono::nanoseconds NativeClock::GetTimeNS() const {
     return std::chrono::nanoseconds{MultiplyHigh(GetHostTicksElapsed(), ns_rdtsc_factor)};
@@ -30,6 +31,10 @@ u64 NativeClock::GetCNTPCT() const {
     return MultiplyHigh(GetHostTicksElapsed(), cntpct_rdtsc_factor);
 }
 
+u64 NativeClock::GetGPUTick() const {
+    return MultiplyHigh(GetHostTicksElapsed(), gputick_rdtsc_factor);
+}
+
 u64 NativeClock::GetHostTicksNow() const {
     return FencedRDTSC();
 }
-- 
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