1 files changed, 57 insertions, 15 deletions

diff --git a/Source/Core/InputCommon/Src/ControllerInterface/XInput/XInput.cpp b/Source/Core/InputCommon/Src/ControllerInterface/XInput/XInput.cpp
index c687bef856..2bc924bf41 100644
--- a/Source/Core/InputCommon/Src/ControllerInterface/XInput/XInput.cpp
+++ b/Source/Core/InputCommon/Src/ControllerInterface/XInput/XInput.cpp
@@ -48,14 +48,60 @@ static const char* const named_motors[] =
 	"Motor R"
 };
 
+static HMODULE hXInput = nullptr;
+
+typedef decltype(&XInputGetCapabilities) XInputGetCapabilities_t;
+typedef decltype(&XInputSetState) XInputSetState_t;
+typedef decltype(&XInputGetState) XInputGetState_t;
+
+static XInputGetCapabilities_t PXInputGetCapabilities = nullptr;
+static XInputSetState_t PXInputSetState = nullptr;
+static XInputGetState_t PXInputGetState = nullptr;
+
 void Init(std::vector<Core::Device*>& devices)
 {
+	if (!hXInput)
+	{
+		// Try for the most recent version we were compiled against (will only work if running on Win8+)
+		hXInput = ::LoadLibrary(XINPUT_DLL);
+		if (!hXInput)
+		{
+			// Drop back to DXSDK June 2010 version. Requires DX June 2010 redist.
+			hXInput = ::LoadLibrary(TEXT("xinput1_3.dll"));
+			if (!hXInput)
+			{
+				return;
+			}
+		}
+
+		PXInputGetCapabilities = (XInputGetCapabilities_t)::GetProcAddress(hXInput, "XInputGetCapabilities");
+		PXInputSetState = (XInputSetState_t)::GetProcAddress(hXInput, "XInputSetState");
+		PXInputGetState = (XInputGetState_t)::GetProcAddress(hXInput, "XInputGetState");
+		if (!PXInputGetCapabilities ||
+			!PXInputSetState ||
+			!PXInputGetState)
+		{
+			::FreeLibrary(hXInput);
+			hXInput = nullptr;
+			return;
+		}
+	}
+	
 	XINPUT_CAPABILITIES caps;
 	for (int i = 0; i != 4; ++i)
-		if (ERROR_SUCCESS == XInputGetCapabilities(i, 0, &caps))
+		if (ERROR_SUCCESS == PXInputGetCapabilities(i, 0, &caps))
 			devices.push_back(new Device(caps, i));
 }
 
+void DeInit()
+{
+	if (hXInput)
+	{
+		::FreeLibrary(hXInput);
+		hXInput = nullptr;
+	}
+}
+
 Device::Device(const XINPUT_CAPABILITIES& caps, u8 index)
 	: m_index(index), m_subtype(caps.SubType)
 {
@@ -112,20 +158,16 @@ void Device::ClearInputState()
 
 std::string Device::GetName() const
 {
-	// why aren't these defined
-	// subtype doesn't seem to work, I tested with 2 different arcade sticks, both were shown as gamepad
-	// I'll leave it in anyway, maybe m$ will fix it
-
 	switch (m_subtype)
 	{
-	case XINPUT_DEVSUBTYPE_GAMEPAD : return "Gamepad"; break;
-	case 0x02 /*XINPUT_DEVSUBTYPE_WHEEL*/ :	return "Wheel"; break;
-	case 0x03 /*XINPUT_DEVSUBTYPE_ARCADE_STICK*/ : return "Arcade Stick"; break;
-	case 0x04 /*XINPUT_DEVSUBTYPE_FLIGHT_STICK*/ : return "Flight Stick"; break;
-	case 0x05 /*XINPUT_DEVSUBTYPE_DANCE_PAD*/ : return "Dance Pad"; break;
-	case 0x06 /*XINPUT_DEVSUBTYPE_GUITAR*/ :	return "Guitar"; break;
-	case 0x08 /*XINPUT_DEVSUBTYPE_DRUM_KIT*/ : return "Drum Kit"; break;
-	default : return "Device"; break;
+	case XINPUT_DEVSUBTYPE_GAMEPAD: return "Gamepad"; break;
+	case XINPUT_DEVSUBTYPE_WHEEL: return "Wheel"; break;
+	case XINPUT_DEVSUBTYPE_ARCADE_STICK: return "Arcade Stick"; break;
+	case XINPUT_DEVSUBTYPE_FLIGHT_STICK: return "Flight Stick"; break;
+	case XINPUT_DEVSUBTYPE_DANCE_PAD: return "Dance Pad"; break;
+	case XINPUT_DEVSUBTYPE_GUITAR: return "Guitar"; break;
+	case XINPUT_DEVSUBTYPE_DRUM_KIT: return "Drum Kit"; break;
+	default: return "Device"; break;
 	}
 }
 
@@ -143,7 +185,7 @@ std::string Device::GetSource() const
 
 bool Device::UpdateInput()
 {
-	return (ERROR_SUCCESS == XInputGetState(m_index, &m_state_in));
+	return (ERROR_SUCCESS == PXInputGetState(m_index, &m_state_in));
 }
 
 bool Device::UpdateOutput()
@@ -153,7 +195,7 @@ bool Device::UpdateOutput()
 	if (memcmp(&m_state_out, &m_current_state_out, sizeof(m_state_out)))
 	{
 		m_current_state_out = m_state_out;
-		return (ERROR_SUCCESS == XInputSetState(m_index, &m_state_out));
+		return (ERROR_SUCCESS == PXInputSetState(m_index, &m_state_out));
 	}
 	else
 	{