diff options
Diffstat (limited to 'src/video_core')
| -rw-r--r-- | src/video_core/gpu.cpp | 14 |
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 { |