7 files changed, 31 insertions, 17 deletions

diff --git a/src/input_common/CMakeLists.txt b/src/input_common/CMakeLists.txt
index 7b39a38c1..1d1b2e08a 100644
--- a/src/input_common/CMakeLists.txt
+++ b/src/input_common/CMakeLists.txt
@@ -31,6 +31,9 @@ add_library(input_common STATIC
 
 if (MSVC)
     target_compile_options(input_common PRIVATE
+        /W4
+        /WX
+
         # 'expression' : signed/unsigned mismatch
         /we4018
         # 'argument' : conversion from 'type1' to 'type2', possible loss of data (floating-point)
@@ -46,6 +49,7 @@ if (MSVC)
     )
 else()
     target_compile_options(input_common PRIVATE
+        -Werror
         -Werror=conversion
         -Werror=ignored-qualifiers
         -Werror=implicit-fallthrough
diff --git a/src/input_common/gcadapter/gc_poller.cpp b/src/input_common/gcadapter/gc_poller.cpp
index fe57c13a5..4d1052414 100644
--- a/src/input_common/gcadapter/gc_poller.cpp
+++ b/src/input_common/gcadapter/gc_poller.cpp
@@ -96,7 +96,6 @@ std::unique_ptr<Input::ButtonDevice> GCButtonFactory::Create(const Common::Param
                                               adapter.get());
     }
 
-    UNREACHABLE();
     return nullptr;
 }
 
@@ -300,10 +299,11 @@ public:
         return gcadapter->RumblePlay(port, 0);
     }
 
-    bool SetRumblePlay(f32 amp_low, f32 freq_low, f32 amp_high, f32 freq_high) const override {
+    bool SetRumblePlay(f32 amp_low, [[maybe_unused]] f32 freq_low, f32 amp_high,
+                       [[maybe_unused]] f32 freq_high) const override {
         const auto mean_amplitude = (amp_low + amp_high) * 0.5f;
-        const auto processed_amplitude = static_cast<u8>(
-            pow(mean_amplitude, 0.5f) * (3.0f - 2.0f * pow(mean_amplitude, 0.15f)) * 0x8);
+        const auto processed_amplitude =
+            static_cast<u8>((mean_amplitude + std::pow(mean_amplitude, 0.3f)) * 0.5f * 0x8);
 
         return gcadapter->RumblePlay(port, processed_amplitude);
     }
diff --git a/src/input_common/sdl/sdl.h b/src/input_common/sdl/sdl.h
index f3554be9a..42bbf14d4 100644
--- a/src/input_common/sdl/sdl.h
+++ b/src/input_common/sdl/sdl.h
@@ -23,7 +23,7 @@ public:
     /// Unregisters SDL device factories and shut them down.
     virtual ~State() = default;
 
-    virtual Pollers GetPollers(Polling::DeviceType type) {
+    virtual Pollers GetPollers(Polling::DeviceType) {
         return {};
     }
 
diff --git a/src/input_common/sdl/sdl_impl.cpp b/src/input_common/sdl/sdl_impl.cpp
index 8c48bb861..7827e324c 100644
--- a/src/input_common/sdl/sdl_impl.cpp
+++ b/src/input_common/sdl/sdl_impl.cpp
@@ -400,10 +400,10 @@ public:
         return joystick->RumblePlay(0, 0);
     }
 
-    bool SetRumblePlay(f32 amp_low, f32 freq_low, f32 amp_high, f32 freq_high) const override {
+    bool SetRumblePlay(f32 amp_low, [[maybe_unused]] f32 freq_low, f32 amp_high,
+                       [[maybe_unused]] f32 freq_high) const override {
         const auto process_amplitude = [](f32 amplitude) {
-            return static_cast<u16>(std::pow(amplitude, 0.5f) *
-                                    (3.0f - 2.0f * std::pow(amplitude, 0.15f)) * 0xFFFF);
+            return static_cast<u16>((amplitude + std::pow(amplitude, 0.3f)) * 0.5f * 0xFFFF);
         };
 
         const auto processed_amp_low = process_amplitude(amp_low);
@@ -865,6 +865,8 @@ Common::ParamPackage SDLEventToMotionParamPackage(SDLState& state, const SDL_Eve
 Common::ParamPackage BuildParamPackageForBinding(int port, const std::string& guid,
                                                  const SDL_GameControllerButtonBind& binding) {
     switch (binding.bindType) {
+    case SDL_CONTROLLER_BINDTYPE_NONE:
+        break;
     case SDL_CONTROLLER_BINDTYPE_AXIS:
         return BuildAnalogParamPackageForButton(port, guid, binding.value.axis);
     case SDL_CONTROLLER_BINDTYPE_BUTTON:
@@ -985,7 +987,7 @@ class SDLPoller : public InputCommon::Polling::DevicePoller {
 public:
     explicit SDLPoller(SDLState& state_) : state(state_) {}
 
-    void Start(const std::string& device_id) override {
+    void Start([[maybe_unused]] const std::string& device_id) override {
         state.event_queue.Clear();
         state.polling = true;
     }
diff --git a/src/input_common/touch_from_button.cpp b/src/input_common/touch_from_button.cpp
index c37716aae..a07124a86 100644
--- a/src/input_common/touch_from_button.cpp
+++ b/src/input_common/touch_from_button.cpp
@@ -44,8 +44,7 @@ private:
     std::vector<std::tuple<std::unique_ptr<Input::ButtonDevice>, int, int>> map;
 };
 
-std::unique_ptr<Input::TouchDevice> TouchFromButtonFactory::Create(
-    const Common::ParamPackage& params) {
+std::unique_ptr<Input::TouchDevice> TouchFromButtonFactory::Create(const Common::ParamPackage&) {
     return std::make_unique<TouchFromButtonDevice>();
 }
 
diff --git a/src/input_common/udp/client.cpp b/src/input_common/udp/client.cpp
index 3677e79ca..c0bb90048 100644
--- a/src/input_common/udp/client.cpp
+++ b/src/input_common/udp/client.cpp
@@ -63,7 +63,7 @@ public:
     }
 
 private:
-    void HandleReceive(const boost::system::error_code& error, std::size_t bytes_transferred) {
+    void HandleReceive(const boost::system::error_code&, std::size_t bytes_transferred) {
         if (auto type = Response::Validate(receive_buffer.data(), bytes_transferred)) {
             switch (*type) {
             case Type::Version: {
@@ -90,7 +90,7 @@ private:
         StartReceive();
     }
 
-    void HandleSend(const boost::system::error_code& error) {
+    void HandleSend(const boost::system::error_code&) {
         boost::system::error_code _ignored{};
         // Send a request for getting port info for the pad
         const Request::PortInfo port_info{1, {static_cast<u8>(pad_index), 0, 0, 0}};
@@ -189,11 +189,11 @@ void Client::ReloadSocket(const std::string& host, u16 port, std::size_t pad_ind
     StartCommunication(client, host, port, pad_index, client_id);
 }
 
-void Client::OnVersion(Response::Version data) {
+void Client::OnVersion([[maybe_unused]] Response::Version data) {
     LOG_TRACE(Input, "Version packet received: {}", data.version);
 }
 
-void Client::OnPortInfo(Response::PortInfo data) {
+void Client::OnPortInfo([[maybe_unused]] Response::PortInfo data) {
     LOG_TRACE(Input, "PortInfo packet received: {}", data.model);
 }
 
@@ -369,7 +369,7 @@ CalibrationConfigurationJob::CalibrationConfigurationJob(
         u16 max_y{};
 
         Status current_status{Status::Initialized};
-        SocketCallback callback{[](Response::Version version) {}, [](Response::PortInfo info) {},
+        SocketCallback callback{[](Response::Version) {}, [](Response::PortInfo) {},
                                 [&](Response::PadData data) {
                                     if (current_status == Status::Initialized) {
                                         // Receiving data means the communication is ready now
diff --git a/src/input_common/udp/protocol.h b/src/input_common/udp/protocol.h
index 3ba4d1fc8..fc1aea4b9 100644
--- a/src/input_common/udp/protocol.h
+++ b/src/input_common/udp/protocol.h
@@ -7,7 +7,16 @@
 #include <array>
 #include <optional>
 #include <type_traits>
+
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable : 4701)
+#endif
 #include <boost/crc.hpp>
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+
 #include "common/bit_field.h"
 #include "common/swap.h"
 
@@ -93,7 +102,7 @@ static_assert(std::is_trivially_copyable_v<PadData>,
 
 /**
  * Creates a message with the proper header data that can be sent to the server.
- * @param T data Request body to send
+ * @param data Request body to send
  * @param client_id ID of the udp client (usually not checked on the server)
  */
 template <typename T>