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System: Implement runahead

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This commit is contained in:
Connor McLaughlin
2021-01-24 02:52:52 +10:00
parent 689b62e065
commit e01d66d18e
15 changed files with 278 additions and 35 deletions
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16
src/core/host_interface.cpp
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@ -16,6 +16,7 @@
#include "host_display.h"
#include "pgxp.h"
#include "save_state_version.h"
#include "spu.h"
#include "system.h"
#include "texture_replacements.h"
#include <cmath>
@ -78,6 +79,9 @@ void HostInterface::CreateAudioStream()
}
m_audio_stream->SetOutputVolume(GetAudioOutputVolume());
if (System::IsValid())
g_spu.SetAudioStream(m_audio_stream.get());
}
s32 HostInterface::GetAudioOutputVolume() const
@ -491,6 +495,8 @@ void HostInterface::SetDefaultSettings(SettingsInterface& si)
si.SetBoolValue("Main", "RewindEnable", false);
si.SetFloatValue("Main", "RewindFrequency", 10.0f);
si.SetIntValue("Main", "RewindSaveSlots", 10);
si.SetBoolValue("Main", "RunaheadEnable", false);
si.SetFloatValue("Main", "RunaheadFrames", 1);
si.SetStringValue("CPU", "ExecutionMode", Settings::GetCPUExecutionModeName(Settings::DEFAULT_CPU_EXECUTION_MODE));
si.SetBoolValue("CPU", "RecompilerMemoryExceptions", false);
@ -660,7 +666,8 @@ void HostInterface::FixIncompatibleSettings(bool display_osd_messages)
#endif
// rewinding causes issues with mmap fastmem, so just use LUT
if (g_settings.rewind_enable && g_settings.IsUsingFastmem() && g_settings.cpu_fastmem_mode == CPUFastmemMode::MMap)
if ((g_settings.rewind_enable || g_settings.runahead_enable) && g_settings.IsUsingFastmem() &&
g_settings.cpu_fastmem_mode == CPUFastmemMode::MMap)
{
Log_WarningPrintf("Disabling mmap fastmem due to rewind being enabled");
g_settings.cpu_fastmem_mode = CPUFastmemMode::LUT;
@ -768,7 +775,8 @@ void HostInterface::CheckForSettingsChanges(const Settings& old_settings)
g_settings.display_active_end_offset != old_settings.display_active_end_offset ||
g_settings.display_line_start_offset != old_settings.display_line_start_offset ||
g_settings.display_line_end_offset != old_settings.display_line_end_offset ||
g_settings.rewind_enable != old_settings.rewind_enable)
g_settings.rewind_enable != old_settings.rewind_enable ||
g_settings.runahead_enable != old_settings.runahead_enable)
{
if (g_settings.IsUsingCodeCache())
CPU::CodeCache::Reinitialize();
@ -808,7 +816,9 @@ void HostInterface::CheckForSettingsChanges(const Settings& old_settings)
if (g_settings.rewind_enable != old_settings.rewind_enable ||
g_settings.rewind_save_frequency != old_settings.rewind_save_frequency ||
g_settings.rewind_save_slots != old_settings.rewind_save_slots)
g_settings.rewind_save_slots != old_settings.rewind_save_slots ||
g_settings.runahead_enable != old_settings.runahead_enable ||
g_settings.runahead_frames != old_settings.runahead_frames)
{
System::UpdateMemorySaveStateSettings();
}