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Controller: Skip runahead replay when analog is unchanged

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Slight CPU usage reduction at idle.
This commit is contained in:
Stenzek
2025-10-04 17:44:28 +10:00
parent 424f9a9db9
commit 10f9039dea
3 changed files with 16 additions and 4 deletions
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8
src/core/analog_controller.cpp
View File

@@ -186,11 +186,13 @@ void AnalogController::SetBindState(u32 index, float value)
return;
m_half_axis_state[sub_index] = u8_value;
System::SetRunaheadReplayFlag();
#define MERGE(pos, neg) \
((m_half_axis_state[static_cast<u32>(pos)] != 0) ? (127u + ((m_half_axis_state[static_cast<u32>(pos)] + 1u) / 2u)) : \
(127u - (m_half_axis_state[static_cast<u32>(neg)] / 2u)))
const auto prev_axis_state = m_axis_state;
switch (static_cast<HalfAxis>(sub_index))
{
case HalfAxis::LLeft:
@@ -244,7 +246,6 @@ void AnalogController::SetBindState(u32 index, float value)
{
pos_x = ((m_invert_right_stick & 1u) != 0u) ? MERGE_F(HalfAxis::RLeft, HalfAxis::RRight) :
MERGE_F(HalfAxis::RRight, HalfAxis::RLeft);
;
pos_y = ((m_invert_right_stick & 2u) != 0u) ? MERGE_F(HalfAxis::RUp, HalfAxis::RDown) :
MERGE_F(HalfAxis::RDown, HalfAxis::RUp);
}
@@ -260,6 +261,9 @@ void AnalogController::SetBindState(u32 index, float value)
#undef MERGE_F
}
if (std::memcmp(m_axis_state.data(), prev_axis_state.data(), m_axis_state.size()) != 0)
System::SetRunaheadReplayFlag();
#undef MERGE
return;

6
src/core/analog_joystick.cpp
View File

@@ -110,6 +110,8 @@ void AnalogJoystick::SetBindState(u32 index, float value)
((m_half_axis_state[static_cast<u32>(pos)] != 0) ? (127u + ((m_half_axis_state[static_cast<u32>(pos)] + 1u) / 2u)) : \
(127u - (m_half_axis_state[static_cast<u32>(neg)] / 2u)))
const auto prev_axis_state = m_axis_state;
switch (static_cast<HalfAxis>(sub_index))
{
case HalfAxis::LLeft:
@@ -163,7 +165,6 @@ void AnalogJoystick::SetBindState(u32 index, float value)
{
pos_x = ((m_invert_right_stick & 1u) != 0u) ? MERGE_F(HalfAxis::RLeft, HalfAxis::RRight) :
MERGE_F(HalfAxis::RRight, HalfAxis::RLeft);
;
pos_y = ((m_invert_right_stick & 2u) != 0u) ? MERGE_F(HalfAxis::RUp, HalfAxis::RDown) :
MERGE_F(HalfAxis::RDown, HalfAxis::RUp);
}
@@ -179,6 +180,9 @@ void AnalogJoystick::SetBindState(u32 index, float value)
#undef MERGE_F
}
if (std::memcmp(m_axis_state.data(), prev_axis_state.data(), m_axis_state.size()) != 0)
System::SetRunaheadReplayFlag();
#undef MERGE
return;

6
src/core/jogcon.cpp
View File

@@ -117,12 +117,16 @@ void JogCon::SetBindState(u32 index, float value)
return;
m_half_axis_state[sub_index] = u8_value;
System::SetRunaheadReplayFlag();
const s8 prev_steering_state = m_steering_state;
m_steering_state =
(m_half_axis_state[static_cast<u32>(HalfAxis::SteeringRight)] != 0) ?
static_cast<s8>((m_half_axis_state[static_cast<u32>(HalfAxis::SteeringRight)] / 2)) :
-static_cast<s8>((static_cast<u32>(m_half_axis_state[static_cast<u32>(HalfAxis::SteeringLeft)]) + 1) / 2);
if (m_steering_state != prev_steering_state)
System::SetRunaheadReplayFlag();
}
const u16 bit = u16(1) << static_cast<u8>(index);