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-rw-r--r--src/video_core/gpu.cpp14
1 files changed, 7 insertions, 7 deletions
diff --git a/src/video_core/gpu.cpp b/src/video_core/gpu.cpp
index 456f733cf..70762c51a 100644
--- a/src/video_core/gpu.cpp
+++ b/src/video_core/gpu.cpp
@@ -194,17 +194,17 @@ struct GPU::Impl {
[[nodiscard]] u64 GetTicks() const {
// This values were reversed engineered by fincs from NVN
- // The gpu clock is reported in units of 385/625 nanoseconds
- constexpr u64 gpu_ticks_num = 384;
- constexpr u64 gpu_ticks_den = 625;
+ // The GPU clock is 614.4 MHz
+ using NsToGPUTickRatio = std::ratio<614'400'000, std::nano::den>;
+ static_assert(NsToGPUTickRatio::num == 384 && NsToGPUTickRatio::den == 625);
+
+ u64 nanoseconds = system.CoreTiming().GetGlobalTimeNs().count();
- u64 nanoseconds = system.CoreTiming().GetCPUTimeNs().count();
if (Settings::values.use_fast_gpu_time.GetValue()) {
nanoseconds /= 256;
}
- const u64 nanoseconds_num = nanoseconds / gpu_ticks_den;
- const u64 nanoseconds_rem = nanoseconds % gpu_ticks_den;
- return nanoseconds_num * gpu_ticks_num + (nanoseconds_rem * gpu_ticks_num) / gpu_ticks_den;
+
+ return nanoseconds * NsToGPUTickRatio::num / NsToGPUTickRatio::den;
}
[[nodiscard]] bool IsAsync() const {