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Input: Reduced input lag by 1 frame by moving the polling to be after the emulation sleeps, rather than before.

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This commit is contained in:
Sour 2019-07-07 19:55:08 -04:00
parent 9415a939e1
commit 173350b860
2 changed files with 6 additions and 2 deletions
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6
Core/Console.cpp
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@ -123,6 +123,9 @@ void Console::Run()
stats.DisplayStats(lastFrameTime); stats.DisplayStats(lastFrameTime);
} }
_controlManager->UpdateInputState();
_internalRegisters->ProcessAutoJoypadRead();
previousFrameCount = _ppu->GetFrameCount(); previousFrameCount = _ppu->GetFrameCount();
} }
} }
@ -138,6 +141,9 @@ void Console::RunSingleFrame()
uint32_t lastFrameNumber = _ppu->GetFrameCount(); uint32_t lastFrameNumber = _ppu->GetFrameCount();
_emulationThreadId = std::this_thread::get_id(); _emulationThreadId = std::this_thread::get_id();
_controlManager->UpdateInputState();
_internalRegisters->ProcessAutoJoypadRead();
while(_ppu->GetFrameCount() == lastFrameNumber) { while(_ppu->GetFrameCount() == lastFrameNumber) {
_cpu->Exec(); _cpu->Exec();
} }

2
Core/Ppu.cpp
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@ -399,8 +399,6 @@ bool Ppu::ProcessEndOfScanline(uint16_t hClock)
_frameCount++; _frameCount++;
_console->GetSpc()->ProcessEndFrame(); _console->GetSpc()->ProcessEndFrame();
_console->GetControlManager()->UpdateInputState();
_regs->ProcessAutoJoypadRead();
_regs->SetNmiFlag(true); _regs->SetNmiFlag(true);
SendFrame(); SendFrame();