FrontendCommon: Add DInput controller interface

Still needs force feedback/vibration support.
This commit is contained in:
Connor McLaughlin 2020-12-29 16:29:30 +10:00
parent a3e4c61a0b
commit 0945744f9b
7 changed files with 561 additions and 1 deletions

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@ -62,6 +62,8 @@ if(NOT BUILD_LIBRETRO_CORE)
if(WIN32)
target_sources(frontend-common PRIVATE
dinput_controller_interface.cpp
dinput_controller_interface.h
xinput_controller_interface.cpp
xinput_controller_interface.h
)

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@ -89,6 +89,7 @@ static constexpr std::array<const char*, static_cast<u32>(ControllerInterface::B
#endif
#ifdef WIN32
TRANSLATABLE("ControllerInterface", "XInput"),
TRANSLATABLE("ControllerInterface", "DInput"),
#endif
}};
@ -124,6 +125,7 @@ ControllerInterface::Backend ControllerInterface::GetDefaultBackend()
#include "sdl_controller_interface.h"
#endif
#ifdef WIN32
#include "dinput_controller_interface.h"
#include "xinput_controller_interface.h"
#endif
@ -136,6 +138,8 @@ std::unique_ptr<ControllerInterface> ControllerInterface::Create(Backend type)
#ifdef WIN32
if (type == Backend::XInput)
return std::make_unique<XInputControllerInterface>();
if (type == Backend::DInput)
return std::make_unique<DInputControllerInterface>();
#endif
return {};

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@ -22,6 +22,7 @@ public:
#endif
#ifdef WIN32
XInput,
DInput,
#endif
Count
};
@ -29,7 +30,12 @@ public:
enum : int
{
MAX_NUM_AXISES = 7,
MAX_NUM_BUTTONS = 15
MAX_NUM_BUTTONS = 15,
NUM_HAT_DIRECTIONS = 4,
HAT_DIRECTION_UP = 0,
HAT_DIRECTION_DOWN = 1,
HAT_DIRECTION_LEFT = 2,
HAT_DIRECTION_RIGHT = 3,
};
enum AxisSide

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@ -0,0 +1,448 @@
#define INITGUID
#include "dinput_controller_interface.h"
#include "common/assert.h"
#include "common/file_system.h"
#include "common/log.h"
#include "common/string_util.h"
#include "core/controller.h"
#include "core/host_interface.h"
#include "core/system.h"
#include <cmath>
#include <limits>
Log_SetChannel(DInputControllerInterface);
using PFNDIRECTINPUT8CREATE = HRESULT(WINAPI*)(HINSTANCE hinst, DWORD dwVersion, REFIID riidltf, LPVOID* ppvOut,
LPUNKNOWN punkOuter);
using PFNGETDFDIJOYSTICK = LPCDIDATAFORMAT(WINAPI*)();
DInputControllerInterface::DInputControllerInterface() = default;
DInputControllerInterface::~DInputControllerInterface()
{
if (m_dinput_module)
FreeLibrary(m_dinput_module);
}
ControllerInterface::Backend DInputControllerInterface::GetBackend() const
{
return ControllerInterface::Backend::XInput;
}
bool DInputControllerInterface::Initialize(CommonHostInterface* host_interface)
{
m_dinput_module = LoadLibraryW(L"dinput8");
if (!m_dinput_module)
{
Log_ErrorPrintf("Failed to load DInput module.");
return false;
}
PFNDIRECTINPUT8CREATE create =
reinterpret_cast<PFNDIRECTINPUT8CREATE>(GetProcAddress(m_dinput_module, "DirectInput8Create"));
PFNGETDFDIJOYSTICK get_joystick_data_format =
reinterpret_cast<PFNGETDFDIJOYSTICK>(GetProcAddress(m_dinput_module, "GetdfDIJoystick"));
if (!create || !get_joystick_data_format)
{
Log_ErrorPrintf("Failed to get DInput function pointers.");
return false;
}
if (!ControllerInterface::Initialize(host_interface))
return false;
HRESULT hr = create(GetModuleHandleA(nullptr), DIRECTINPUT_VERSION, IID_IDirectInput8A,
reinterpret_cast<LPVOID*>(m_dinput.GetAddressOf()), nullptr);
m_joystick_data_format = get_joystick_data_format();
if (FAILED(hr) || !m_joystick_data_format)
{
Log_ErrorPrintf("DirectInput8Create() failed: %08X", hr);
return false;
}
AddDevices();
return true;
}
void DInputControllerInterface::Shutdown()
{
ControllerInterface::Shutdown();
}
static BOOL CALLBACK EnumCallback(LPCDIDEVICEINSTANCE lpddi, LPVOID pvRef)
{
static_cast<std::vector<DIDEVICEINSTANCE>*>(pvRef)->push_back(*lpddi);
return DIENUM_CONTINUE;
}
void DInputControllerInterface::AddDevices()
{
std::vector<DIDEVICEINSTANCE> devices;
m_dinput->EnumDevices(DI8DEVCLASS_GAMECTRL, EnumCallback, &devices, DIEDFL_ATTACHEDONLY);
Log_InfoPrintf("Enumerated %zud evices", devices.size());
for (DIDEVICEINSTANCE inst : devices)
{
ControllerData cd;
HRESULT hr = m_dinput->CreateDevice(inst.guidInstance, cd.device.GetAddressOf(), nullptr);
if (FAILED(hr))
{
Log_WarningPrintf("Failed to create instance of device [%s, %s]", inst.tszProductName, inst.tszInstanceName);
continue;
}
if (AddDevice(cd, inst.tszProductName))
m_controllers.push_back(std::move(cd));
}
}
bool DInputControllerInterface::AddDevice(ControllerData& cd, const char* name)
{
HRESULT hr = cd.device->SetCooperativeLevel(static_cast<HWND>(m_host_interface->GetTopLevelWindowHandle()),
DISCL_BACKGROUND | DISCL_EXCLUSIVE);
if (FAILED(hr))
{
hr = cd.device->SetCooperativeLevel(static_cast<HWND>(m_host_interface->GetTopLevelWindowHandle()),
DISCL_BACKGROUND | DISCL_NONEXCLUSIVE);
if (FAILED(hr))
{
Log_ErrorPrintf("Failed to set cooperative level for '%s'", name);
return false;
}
Log_WarningPrintf("Failed to set exclusive mode for '%s'", name);
}
hr = cd.device->SetDataFormat(m_joystick_data_format);
if (FAILED(hr))
{
Log_ErrorPrintf("Failed to set data format for '%s'", name);
return false;
}
hr = cd.device->Acquire();
if (FAILED(hr))
{
Log_ErrorPrintf("Failed to acquire device '%s'", name);
return false;
}
DIDEVCAPS caps = {};
caps.dwSize = sizeof(caps);
hr = cd.device->GetCapabilities(&caps);
if (FAILED(hr))
{
Log_ErrorPrintf("Failed to get capabilities for '%s'", name);
return false;
}
cd.num_buttons = caps.dwButtons;
if (cd.num_buttons > NUM_BUTTONS)
{
Log_WarningPrintf("Device '%s' has too many buttons (%u), using %u instead.", name, cd.num_buttons, NUM_BUTTONS);
cd.num_buttons = NUM_BUTTONS;
}
static constexpr std::array<u32, NUM_AXISES> axis_offsets = {
{offsetof(DIJOYSTATE, lX), offsetof(DIJOYSTATE, lY), offsetof(DIJOYSTATE, lZ), offsetof(DIJOYSTATE, lRz),
offsetof(DIJOYSTATE, lRx), offsetof(DIJOYSTATE, lRy), offsetof(DIJOYSTATE, rglSlider[0]),
offsetof(DIJOYSTATE, rglSlider[1])}};
for (u32 i = 0; i < NUM_AXISES; i++)
{
// ask for 16 bits of axis range
DIPROPRANGE range = {};
range.diph.dwSize = sizeof(range);
range.diph.dwHeaderSize = sizeof(range.diph);
range.diph.dwHow = DIPH_BYOFFSET;
range.diph.dwObj = axis_offsets[i];
range.lMin = std::numeric_limits<s16>::min();
range.lMax = std::numeric_limits<s16>::max();
hr = cd.device->SetProperty(DIPROP_RANGE, &range.diph);
// did it apply?
if (SUCCEEDED(cd.device->GetProperty(DIPROP_RANGE, &range.diph)))
{
cd.axis_offsets[cd.num_axes] = axis_offsets[i];
cd.num_axes++;
}
}
cd.has_hat = (caps.dwPOVs > 0);
hr = cd.device->Poll();
if (hr == DI_NOEFFECT)
cd.needs_poll = false;
else if (hr != DI_OK)
Log_WarningPrintf("Polling device '%s' failed: %08X", name, hr);
hr = cd.device->GetDeviceState(sizeof(cd.last_state), &cd.last_state);
if (hr != DI_OK)
Log_WarningPrintf("GetDeviceState() for '%s' failed: %08X", name, hr);
Log_InfoPrintf("%s has %u buttons, %u axes%s", name, cd.num_buttons, cd.num_axes, cd.has_hat ? ", and a hat" : "");
return (cd.num_buttons > 0 || cd.num_axes > 0 || cd.has_hat);
}
void DInputControllerInterface::PollEvents()
{
for (u32 i = 0; i < static_cast<u32>(m_controllers.size()); i++)
{
ControllerData& cd = m_controllers[i];
if (!cd.device)
continue;
if (cd.needs_poll)
cd.device->Poll();
DIJOYSTATE js;
HRESULT hr = cd.device->GetDeviceState(sizeof(js), &js);
if (hr == DIERR_INPUTLOST || hr == DIERR_NOTACQUIRED)
{
hr = cd.device->Acquire();
if (hr == DI_OK)
hr = cd.device->GetDeviceState(sizeof(js), &js);
if (hr != DI_OK)
{
cd = {};
OnControllerDisconnected(static_cast<int>(i));
continue;
}
}
else if (hr != DI_OK)
{
Log_WarningPrintf("GetDeviceState() failed: %08X", hr);
continue;
}
CheckForStateChanges(i, js);
}
}
u32 DInputControllerInterface::GetHatDirection(DWORD hat)
{
const WORD hv = LOWORD(hat);
if (hv == 0xFFFF)
return NUM_HAT_DIRECTIONS;
else if (hv < 9000)
return HAT_DIRECTION_UP;
else if (hv < 18000)
return HAT_DIRECTION_RIGHT;
else if (hv < 27000)
return HAT_DIRECTION_DOWN;
else
return HAT_DIRECTION_LEFT;
}
void DInputControllerInterface::CheckForStateChanges(u32 index, const DIJOYSTATE& new_state)
{
ControllerData& cd = m_controllers[index];
DIJOYSTATE& last_state = cd.last_state;
for (u32 i = 0; i < cd.num_axes; i++)
{
LONG new_value;
LONG old_value;
std::memcpy(&old_value, reinterpret_cast<const u8*>(&cd.last_state) + cd.axis_offsets[i], sizeof(old_value));
std::memcpy(&new_value, reinterpret_cast<const u8*>(&new_state) + cd.axis_offsets[i], sizeof(new_value));
if (old_value != new_value)
{
HandleAxisEvent(index, i, new_value);
std::memcpy(reinterpret_cast<u8*>(&cd.last_state) + cd.axis_offsets[i], &new_value, sizeof(new_value));
}
}
for (u32 i = 0; i < cd.num_buttons; i++)
{
if (last_state.rgbButtons[i] != new_state.rgbButtons[i])
{
HandleButtonEvent(index, i, new_state.rgbButtons[i] != 0);
last_state.rgbButtons[i] = new_state.rgbButtons[i];
}
}
if (cd.has_hat)
{
if (last_state.rgdwPOV[0] != new_state.rgdwPOV[0])
{
// map hats to the last buttons
const u32 old_direction = GetHatDirection(last_state.rgdwPOV[0]);
if (old_direction != NUM_HAT_DIRECTIONS)
HandleButtonEvent(index, cd.num_buttons + old_direction, false);
const u32 new_direction = GetHatDirection(new_state.rgdwPOV[0]);
if (new_direction != NUM_HAT_DIRECTIONS)
HandleButtonEvent(index, cd.num_buttons + new_direction, true);
last_state.rgdwPOV[0] = new_state.rgdwPOV[0];
}
}
}
void DInputControllerInterface::ClearBindings()
{
for (ControllerData& cd : m_controllers)
{
cd.axis_mapping.fill({});
cd.button_mapping.fill({});
cd.axis_button_mapping.fill({});
cd.button_axis_mapping.fill({});
}
}
bool DInputControllerInterface::BindControllerAxis(int controller_index, int axis_number, AxisSide axis_side,
AxisCallback callback)
{
if (static_cast<u32>(controller_index) >= m_controllers.size())
return false;
if (axis_number < 0 || axis_number >= NUM_AXISES)
return false;
m_controllers[controller_index].axis_mapping[axis_number][axis_side] = std::move(callback);
return true;
}
bool DInputControllerInterface::BindControllerButton(int controller_index, int button_number, ButtonCallback callback)
{
if (static_cast<u32>(controller_index) >= m_controllers.size())
return false;
if (button_number < 0 || button_number >= TOTAL_NUM_BUTTONS)
return false;
m_controllers[controller_index].button_mapping[button_number] = std::move(callback);
return true;
}
bool DInputControllerInterface::BindControllerAxisToButton(int controller_index, int axis_number, bool direction,
ButtonCallback callback)
{
if (static_cast<u32>(controller_index) >= m_controllers.size())
return false;
if (axis_number < 0 || axis_number >= NUM_AXISES)
return false;
m_controllers[controller_index].axis_button_mapping[axis_number][BoolToUInt8(direction)] = std::move(callback);
return true;
}
bool DInputControllerInterface::BindControllerHatToButton(int controller_index, int hat_number,
std::string_view hat_position, ButtonCallback callback)
{
// Hats don't exist in XInput
return false;
}
bool DInputControllerInterface::BindControllerButtonToAxis(int controller_index, int button_number,
AxisCallback callback)
{
if (static_cast<u32>(controller_index) >= m_controllers.size())
return false;
if (button_number < 0 || button_number >= TOTAL_NUM_BUTTONS)
return false;
m_controllers[controller_index].button_axis_mapping[button_number] = std::move(callback);
return true;
}
bool DInputControllerInterface::HandleAxisEvent(u32 index, u32 axis, s32 value)
{
const float f_value = static_cast<float>(value) / (value < 0 ? 32768.0f : 32767.0f);
Log_DevPrintf("controller %u axis %u %d %f", index, static_cast<u32>(axis), value, f_value);
DebugAssert(index < m_controllers.size());
if (DoEventHook(Hook::Type::Axis, index, static_cast<u32>(axis), f_value))
return true;
const AxisCallback& cb = m_controllers[index].axis_mapping[static_cast<u32>(axis)][AxisSide::Full];
if (cb)
{
// Extend triggers from a 0 - 1 range to a -1 - 1 range for consistency with other inputs
if (axis == 4 || axis == 5)
{
cb((f_value * 2.0f) - 1.0f);
}
else
{
cb(f_value);
}
return true;
}
// set the other direction to false so large movements don't leave the opposite on
const bool outside_deadzone = (std::abs(f_value) >= m_controllers[index].deadzone);
const bool positive = (f_value >= 0.0f);
const ButtonCallback& other_button_cb =
m_controllers[index].axis_button_mapping[static_cast<u32>(axis)][BoolToUInt8(!positive)];
const ButtonCallback& button_cb =
m_controllers[index].axis_button_mapping[static_cast<u32>(axis)][BoolToUInt8(positive)];
if (button_cb)
{
button_cb(outside_deadzone);
if (other_button_cb)
other_button_cb(false);
return true;
}
else if (other_button_cb)
{
other_button_cb(false);
return true;
}
else
{
return false;
}
}
bool DInputControllerInterface::HandleButtonEvent(u32 index, u32 button, bool pressed)
{
Log_DevPrintf("controller %u button %u %s", index, button, pressed ? "pressed" : "released");
DebugAssert(index < m_controllers.size());
if (DoEventHook(Hook::Type::Button, index, button, pressed ? 1.0f : 0.0f))
return true;
const ButtonCallback& cb = m_controllers[index].button_mapping[button];
if (cb)
{
cb(pressed);
return true;
}
const AxisCallback& axis_cb = m_controllers[index].button_axis_mapping[button];
if (axis_cb)
{
axis_cb(pressed ? 1.0f : -1.0f);
}
return true;
}
u32 DInputControllerInterface::GetControllerRumbleMotorCount(int controller_index)
{
if (static_cast<u32>(controller_index) >= m_controllers.size())
return 0;
return 0;
}
void DInputControllerInterface::SetControllerRumbleStrength(int controller_index, const float* strengths,
u32 num_motors)
{
DebugAssert(static_cast<u32>(controller_index) < m_controllers.size());
}
bool DInputControllerInterface::SetControllerDeadzone(int controller_index, float size /* = 0.25f */)
{
if (static_cast<u32>(controller_index) >= m_controllers.size())
return false;
m_controllers[static_cast<u32>(controller_index)].deadzone = std::clamp(std::abs(size), 0.01f, 0.99f);
Log_InfoPrintf("Controller %d deadzone size set to %f", controller_index,
m_controllers[static_cast<u32>(controller_index)].deadzone);
return true;
}

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@ -0,0 +1,96 @@
#pragma once
#define DIRECTINPUT_VERSION 0x0800
#include "common/windows_headers.h"
#include "controller_interface.h"
#include "core/types.h"
#include <array>
#include <dinput.h>
#include <functional>
#include <mutex>
#include <vector>
#include <wrl/client.h>
class DInputControllerInterface final : public ControllerInterface
{
public:
DInputControllerInterface();
~DInputControllerInterface() override;
Backend GetBackend() const override;
bool Initialize(CommonHostInterface* host_interface) override;
void Shutdown() override;
// Removes all bindings. Call before setting new bindings.
void ClearBindings() override;
// Binding to events. If a binding for this axis/button already exists, returns false.
bool BindControllerAxis(int controller_index, int axis_number, AxisSide axis_side, AxisCallback callback) override;
bool BindControllerButton(int controller_index, int button_number, ButtonCallback callback) override;
bool BindControllerAxisToButton(int controller_index, int axis_number, bool direction,
ButtonCallback callback) override;
bool BindControllerHatToButton(int controller_index, int hat_number, std::string_view hat_position,
ButtonCallback callback) override;
bool BindControllerButtonToAxis(int controller_index, int button_number, AxisCallback callback) override;
// Changing rumble strength.
u32 GetControllerRumbleMotorCount(int controller_index) override;
void SetControllerRumbleStrength(int controller_index, const float* strengths, u32 num_motors) override;
// Set deadzone that will be applied on axis-to-button mappings
bool SetControllerDeadzone(int controller_index, float size = 0.25f) override;
void PollEvents() override;
private:
template<typename T>
using ComPtr = Microsoft::WRL::ComPtr<T>;
enum : u32
{
NUM_AXISES = 8,
NUM_BUTTONS = 16,
NUM_HATS = 1,
TOTAL_NUM_BUTTONS = NUM_BUTTONS + (NUM_HATS * NUM_HAT_DIRECTIONS),
};
struct ControllerData
{
ComPtr<IDirectInputDevice8> device;
DIJOYSTATE last_state = {};
u32 num_buttons = 0;
u32 num_axes = 0;
float deadzone = 0.25f;
std::array<u32, NUM_AXISES> axis_offsets;
std::array<std::array<AxisCallback, 3>, NUM_AXISES> axis_mapping;
std::array<ButtonCallback, TOTAL_NUM_BUTTONS + NUM_HAT_DIRECTIONS> button_mapping;
std::array<std::array<ButtonCallback, 2>, NUM_AXISES> axis_button_mapping;
std::array<AxisCallback, TOTAL_NUM_BUTTONS + NUM_HAT_DIRECTIONS> button_axis_mapping;
bool has_hat = false;
bool needs_poll = true;
};
using ControllerDataArray = std::vector<ControllerData>;
void AddDevices();
bool AddDevice(ControllerData& cd, const char* name);
static u32 GetHatDirection(DWORD hat);
void CheckForStateChanges(u32 index, const DIJOYSTATE& new_state);
bool HandleAxisEvent(u32 index, u32 axis, s32 value);
bool HandleButtonEvent(u32 index, u32 button, bool pressed);
ControllerDataArray m_controllers;
HMODULE m_dinput_module{};
LPCDIDATAFORMAT m_joystick_data_format{};
ComPtr<IDirectInput8> m_dinput;
std::mutex m_event_intercept_mutex;
Hook::Callback m_event_intercept_callback;
};

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@ -87,6 +87,7 @@
<ClCompile Include="controller_interface.cpp" />
<ClCompile Include="cubeb_audio_stream.cpp" />
<ClCompile Include="d3d11_host_display.cpp" />
<ClCompile Include="dinput_controller_interface.cpp" />
<ClCompile Include="game_list.cpp" />
<ClCompile Include="game_settings.cpp" />
<ClCompile Include="icon.cpp" />
@ -111,6 +112,7 @@
<ClInclude Include="controller_interface.h" />
<ClInclude Include="cubeb_audio_stream.h" />
<ClInclude Include="d3d11_host_display.h" />
<ClInclude Include="dinput_controller_interface.h" />
<ClInclude Include="game_list.h" />
<ClInclude Include="game_settings.h" />
<ClInclude Include="icon.h" />

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@ -23,6 +23,7 @@
<ClCompile Include="postprocessing_shadergen.cpp" />
<ClCompile Include="postprocessing_chain.cpp" />
<ClCompile Include="cubeb_audio_stream.cpp" />
<ClCompile Include="dinput_controller_interface.cpp" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="icon.h" />
@ -47,6 +48,7 @@
<ClInclude Include="postprocessing_shadergen.h" />
<ClInclude Include="postprocessing_chain.h" />
<ClInclude Include="cubeb_audio_stream.h" />
<ClInclude Include="dinput_controller_interface.h" />
</ItemGroup>
<ItemGroup>
<None Include="font_roboto_regular.inl" />