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libretro: Analog controller/DualShock support

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This commit is contained in:
Connor McLaughlin 2020-06-30 02:47:47 +10:00
parent 51b4776b8f
commit 38aa485f8f
3 changed files with 51 additions and 4 deletions
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4
src/duckstation-libretro/libretro_d3d11_host_display.cpp
View file

@ -42,8 +42,8 @@ bool LibretroD3D11HostDisplay::CreateRenderDevice(const WindowInfo& wi, std::str
else if (ri->interface_type != RETRO_HW_RENDER_INTERFACE_D3D11 ||
ri->interface_version != RETRO_HW_RENDER_INTERFACE_D3D11_VERSION)
{
Log_ErrorPrint("Unexpected HW interface - type %u version %u", static_cast<unsigned>(ri->interface_type),
static_cast<unsigned>(ri->interface_version));
Log_ErrorPrintf("Unexpected HW interface - type %u version %u", static_cast<unsigned>(ri->interface_type),
static_cast<unsigned>(ri->interface_version));
return false;
}

50
src/duckstation-libretro/libretro_host_interface.cpp
View file

@ -544,9 +544,13 @@ void LibretroHostInterface::UpdateControllers()
UpdateControllersDigitalController(i);
break;
case ControllerType::AnalogController:
UpdateControllersAnalogController(i);
break;
default:
Log_ErrorPrintf("Unhandled controller type '%s'",
Settings::GetControllerTypeDisplayName(m_settings.controller_types[i]));
ReportFormattedError("Unhandled controller type '%s'.",
Settings::GetControllerTypeDisplayName(m_settings.controller_types[i]));
break;
}
}
@ -580,6 +584,48 @@ void LibretroHostInterface::UpdateControllersDigitalController(u32 index)
}
}
void LibretroHostInterface::UpdateControllersAnalogController(u32 index)
{
AnalogController* controller = static_cast<AnalogController*>(m_system->GetController(index));
DebugAssert(controller);
static constexpr std::array<std::pair<AnalogController::Button, u32>, 16> button_mapping = {
{{AnalogController::Button::Left, RETRO_DEVICE_ID_JOYPAD_LEFT},
{AnalogController::Button::Right, RETRO_DEVICE_ID_JOYPAD_RIGHT},
{AnalogController::Button::Up, RETRO_DEVICE_ID_JOYPAD_UP},
{AnalogController::Button::Down, RETRO_DEVICE_ID_JOYPAD_DOWN},
{AnalogController::Button::Circle, RETRO_DEVICE_ID_JOYPAD_A},
{AnalogController::Button::Cross, RETRO_DEVICE_ID_JOYPAD_B},
{AnalogController::Button::Triangle, RETRO_DEVICE_ID_JOYPAD_X},
{AnalogController::Button::Square, RETRO_DEVICE_ID_JOYPAD_Y},
{AnalogController::Button::Start, RETRO_DEVICE_ID_JOYPAD_START},
{AnalogController::Button::Select, RETRO_DEVICE_ID_JOYPAD_SELECT},
{AnalogController::Button::L1, RETRO_DEVICE_ID_JOYPAD_L},
{AnalogController::Button::L2, RETRO_DEVICE_ID_JOYPAD_L2},
{AnalogController::Button::L3, RETRO_DEVICE_ID_JOYPAD_L3},
{AnalogController::Button::R1, RETRO_DEVICE_ID_JOYPAD_R},
{AnalogController::Button::R2, RETRO_DEVICE_ID_JOYPAD_R2},
{AnalogController::Button::Analog, RETRO_DEVICE_ID_JOYPAD_R3}}};
static constexpr std::array<std::pair<AnalogController::Axis, std::pair<u32, u32>>, 4> axis_mapping = {
{{AnalogController::Axis::LeftX, {RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X}},
{AnalogController::Axis::LeftY, {RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y}},
{AnalogController::Axis::RightX, {RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X}},
{AnalogController::Axis::RightY, {RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y}}}};
for (const auto& it : button_mapping)
{
const int16_t state = g_retro_input_state_callback(index, RETRO_DEVICE_JOYPAD, 0, it.second);
controller->SetButtonState(it.first, state != 0);
}
for (const auto& it : axis_mapping)
{
const int16_t state = g_retro_input_state_callback(index, RETRO_DEVICE_ANALOG, it.second.first, it.second.second);
controller->SetAxisState(static_cast<s32>(it.first), std::clamp(static_cast<float>(state) / 32767.0f, -1.0f, 1.0f));
}
}
static std::optional<GPURenderer> RetroHwContextToRenderer(retro_hw_context_type type)
{
switch (type)

1
src/duckstation-libretro/libretro_host_interface.h
View file

@ -46,6 +46,7 @@ private:
void UpdateSettings();
void UpdateControllers();
void UpdateControllersDigitalController(u32 index);
void UpdateControllersAnalogController(u32 index);
void GetSystemAVInfo(struct retro_system_av_info* info, bool use_resolution_scale);
void UpdateSystemAVInfo(bool use_resolution_scale);
void UpdateGeometry();