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CoreTiming: Cache the overclock factor instead of re-querying it every Advance().

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This commit is contained in:
Admiral H. Curtiss 2021-12-25 22:14:53 +01:00
parent 319b00f1fd
commit 7625cb7aca
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GPG Key ID: F051B4C4044F33FB
2 changed files with 22 additions and 6 deletions
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26
Source/Core/Core/CoreTiming.cpp
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@ -78,6 +78,10 @@ Globals g;
static EventType* s_ev_lost = nullptr; static EventType* s_ev_lost = nullptr;
static size_t s_registered_config_callback_id;
static float s_config_OC_factor;
static float s_config_OC_inv_factor;
static void EmptyTimedCallback(u64 userdata, s64 cyclesLate) static void EmptyTimedCallback(u64 userdata, s64 cyclesLate)
{ {
} }
@ -122,9 +126,12 @@ void UnregisterAllEvents()
void Init() void Init()
{ {
s_last_OC_factor = s_registered_config_callback_id =
Config::Get(Config::MAIN_OVERCLOCK_ENABLE) ? Config::Get(Config::MAIN_OVERCLOCK) : 1.0f; Config::AddConfigChangedCallback([]() { Core::RunAsCPUThread([]() { RefreshConfig(); }); });
g.last_OC_factor_inverted = 1.0f / s_last_OC_factor; RefreshConfig();
s_last_OC_factor = s_config_OC_factor;
g.last_OC_factor_inverted = s_config_OC_inv_factor;
PowerPC::ppcState.downcount = CyclesToDowncount(MAX_SLICE_LENGTH); PowerPC::ppcState.downcount = CyclesToDowncount(MAX_SLICE_LENGTH);
g.slice_length = MAX_SLICE_LENGTH; g.slice_length = MAX_SLICE_LENGTH;
g.global_timer = 0; g.global_timer = 0;
@ -146,6 +153,14 @@ void Shutdown()
MoveEvents(); MoveEvents();
ClearPendingEvents(); ClearPendingEvents();
UnregisterAllEvents(); UnregisterAllEvents();
Config::RemoveConfigChangedCallback(s_registered_config_callback_id);
}
void RefreshConfig()
{
s_config_OC_factor =
Config::Get(Config::MAIN_OVERCLOCK_ENABLE) ? Config::Get(Config::MAIN_OVERCLOCK) : 1.0f;
s_config_OC_inv_factor = 1.0f / s_config_OC_factor;
} }
void DoState(PointerWrap& p) void DoState(PointerWrap& p)
@ -318,9 +333,8 @@ void Advance()
int cyclesExecuted = g.slice_length - DowncountToCycles(PowerPC::ppcState.downcount); int cyclesExecuted = g.slice_length - DowncountToCycles(PowerPC::ppcState.downcount);
g.global_timer += cyclesExecuted; g.global_timer += cyclesExecuted;
s_last_OC_factor = s_last_OC_factor = s_config_OC_factor;
Config::Get(Config::MAIN_OVERCLOCK_ENABLE) ? Config::Get(Config::MAIN_OVERCLOCK) : 1.0f; g.last_OC_factor_inverted = s_config_OC_inv_factor;
g.last_OC_factor_inverted = 1.0f / s_last_OC_factor;
g.slice_length = MAX_SLICE_LENGTH; g.slice_length = MAX_SLICE_LENGTH;
s_is_global_timer_sane = true; s_is_global_timer_sane = true;

2
Source/Core/Core/CoreTiming.h
View File

@ -46,6 +46,8 @@ typedef void (*TimedCallback)(u64 userdata, s64 cyclesLate);
u64 GetTicks(); u64 GetTicks();
u64 GetIdleTicks(); u64 GetIdleTicks();
void RefreshConfig();
void DoState(PointerWrap& p); void DoState(PointerWrap& p);
struct EventType; struct EventType;