Clean up some compiler warnings

android/app/src/cpp/android_host_interface.cpp

@@ -470,7 +470,7 @@ void AndroidHostInterface::SetControllerType(u32 index, std::string_view type_na
   }
 
   RunOnEmulationThread(
-    [this, index, type]() {
+    [index, type]() {
       Log_InfoPrintf("Changing controller slot %d to %s", index, Settings::GetControllerTypeName(type));
       g_settings.controller_types[index] = type;
       System::UpdateControllers();
@@ -484,7 +484,7 @@ void AndroidHostInterface::SetControllerButtonState(u32 index, s32 button_code,
     return;
 
   RunOnEmulationThread(
-    [this, index, button_code, pressed]() {
+    [index, button_code, pressed]() {
       Controller* controller = System::GetController(index);
       if (!controller)
         return;
@@ -500,7 +500,7 @@ void AndroidHostInterface::SetControllerAxisState(u32 index, s32 button_code, fl
     return;
 
   RunOnEmulationThread(
-    [this, index, button_code, value]() {
+    [index, button_code, value]() {
       Controller* controller = System::GetController(index);
       if (!controller)
         return;

src/common/cd_image_chd.cpp

@@ -126,7 +126,7 @@ bool CDImageCHD::Open(const char* filename)
     char pgsub_str[256];
     u32 metadata_length;
 
-    int track_num = 0, frames = 0, pad = 0, pregap_frames = 0, postgap_frames = 0;
+    int track_num = 0, frames = 0, pregap_frames = 0, postgap_frames = 0;
     err = chd_get_metadata(m_chd, CDROM_TRACK_METADATA2_TAG, num_tracks, metadata_str, sizeof(metadata_str),
                            &metadata_length, nullptr, nullptr);
     if (err == CHDERR_NONE)

src/common/gl/texture.cpp

@@ -158,7 +158,6 @@ void Texture::GetTextureSubImage(GLuint texture, GLint level, GLint xoffset, GLi
   else
     glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture, level);
 
-  GLuint status = glCheckFramebufferStatus(GL_READ_FRAMEBUFFER);
   DebugAssert(glCheckFramebufferStatus(GL_READ_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE);
   glReadPixels(xoffset, yoffset, width, height, format, type, pixels);
 

src/common/vulkan/util.cpp

@@ -9,7 +9,6 @@
 #include "../string_util.h"
 #include "context.h"
 #include "shader_compiler.h"
-Log_SetChannel(Vulkan::Util);
 
 namespace Vulkan {
 namespace Util {

src/core/cpu_recompiler_code_generator.cpp

@@ -1429,8 +1429,6 @@ bool CodeGenerator::Compile_Divide(const CodeBlockInstruction& cbi)
 {
   InstructionPrologue(cbi, 1);
 
-  const bool signed_divide = (cbi.instruction.r.funct == InstructionFunct::div);
-
   Value num = m_register_cache.ReadGuestRegister(cbi.instruction.r.rs);
   Value denom = m_register_cache.ReadGuestRegister(cbi.instruction.r.rt);
   if (num.IsConstant() && denom.IsConstant())

src/core/gpu_hw_shadergen.cpp

@@ -1,9 +1,7 @@
 #include "gpu_hw_shadergen.h"
 #include "common/assert.h"
-#include "common/log.h"
 #include <cstdio>
 #include <glad.h>
-Log_SetChannel(GPU_HW_ShaderGen);
 
 GPU_HW_ShaderGen::GPU_HW_ShaderGen(HostDisplay::RenderAPI render_api, u32 resolution_scale, bool true_color, bool scaled_dithering, GPUTextureFilter texture_filtering, bool uv_limits, bool supports_dual_source_blend) : 
   ShaderGen(render_api, supports_dual_source_blend),

src/core/host_interface.h

@@ -149,6 +149,9 @@ protected:
   /// Restores all settings to defaults.
   virtual void SetDefaultSettings(SettingsInterface& si);
 
+  /// Performs the initial load of settings. Should call CheckSettings() and LoadSettings(SettingsInterface&).
+  virtual void LoadSettings() = 0;
+
   /// Loads settings to m_settings and any frontend-specific parameters.
   virtual void LoadSettings(SettingsInterface& si);
 

src/core/mdec.cpp

@@ -524,10 +524,6 @@ void MDEC::CopyOutBlock()
   Execute();
 }
 
-static constexpr std::array<u8, 64> zigzag = {{0,  1,  5,  6,  14, 15, 27, 28, 2,  4,  7,  13, 16, 26, 29, 42,
-                                               3,  8,  12, 17, 25, 30, 41, 43, 9,  11, 18, 24, 31, 40, 44, 53,
-                                               10, 19, 23, 32, 39, 45, 52, 54, 20, 22, 33, 38, 46, 51, 55, 60,
-                                               21, 34, 37, 47, 50, 56, 59, 61, 35, 36, 48, 49, 57, 58, 62, 63}};
 static constexpr std::array<u8, 64> zagzig = {{0,  1,  8,  16, 9,  2,  3,  10, 17, 24, 32, 25, 18, 11, 4,  5,
                                                12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13, 6,  7,  14, 21, 28,
                                                35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51,

src/core/memory_card.cpp

@@ -63,7 +63,9 @@ void MemoryCard::ResetTransferState()
 bool MemoryCard::Transfer(const u8 data_in, u8* data_out)
 {
   bool ack = false;
+#ifdef _DEBUG
   const State old_state = m_state;
+#endif
 
   switch (m_state)
   {

src/core/pgxp.cpp

@@ -104,7 +104,6 @@ static void MaskValidate(PGXP_value* pV, u32 psxV, u32 mask, u32 validMask);
 
 static double f16Sign(double in);
 static double f16Unsign(double in);
-static double fu16Trunc(double in);
 static double f16Overflow(double in);
 
 typedef union

src/duckstation-libretro/libretro_host_interface.h

@@ -57,7 +57,7 @@ private:
   void InitDiskControlInterface();
   void InitRumbleInterface();
 
-  void LoadSettings();
+  void LoadSettings() override;
   void UpdateSettings();
   void UpdateControllers();
   void UpdateControllersDigitalController(u32 index);

src/frontend-common/common_host_interface.h

@@ -261,9 +261,6 @@ protected:
   /// Sets the base path for the user directory. Can be overridden by platform/frontend/command line.
   virtual void SetUserDirectory();
 
-  /// Performs the initial load of settings. Should call CheckSettings() and LoadSettings(SettingsInterface&).
-  virtual void LoadSettings() = 0;
-
   /// Updates logging settings.
   virtual void UpdateLogSettings(LOGLEVEL level, const char* filter, bool log_to_console, bool log_to_debug,
                                  bool log_to_window, bool log_to_file);
@@ -284,6 +281,7 @@ protected:
   virtual void SetDefaultSettings(SettingsInterface& si) override;
 
   /// Loads settings to m_settings and any frontend-specific parameters.
+  using HostInterface::LoadSettings;
   virtual void LoadSettings(SettingsInterface& si) override;
 
   /// Saves current settings variables to ini.

src/frontend-common/vulkan_host_display.cpp

@@ -576,7 +576,7 @@ bool VulkanHostDisplay::Render()
 
 void VulkanHostDisplay::BeginSwapChainRenderPass(VkFramebuffer framebuffer)
 {
-  const VkClearValue clear_value = {};
+  const VkClearValue clear_value = {{{0.0f, 0.0f, 0.0f, 1.0f}}};
   const VkRenderPassBeginInfo rp = {VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
                                     nullptr,
                                     m_swap_chain->GetClearRenderPass(),
@@ -714,8 +714,8 @@ std::vector<std::string> VulkanHostDisplay::EnumerateAdapterNames()
 #ifndef LIBRETRO
 
 VulkanHostDisplay::PostProcessingStage::PostProcessingStage(PostProcessingStage&& move)
-  : output_texture(std::move(move.output_texture)), output_framebuffer(move.output_framebuffer),
-    pipeline(move.pipeline), uniforms_size(move.uniforms_size)
+  : pipeline(move.pipeline), output_framebuffer(move.output_framebuffer),
+    output_texture(std::move(move.output_texture)), uniforms_size(move.uniforms_size)
 {
   move.output_framebuffer = VK_NULL_HANDLE;
   move.pipeline = VK_NULL_HANDLE;
@@ -870,8 +870,6 @@ void VulkanHostDisplay::ApplyPostProcessingChain(s32 final_left, s32 final_top,
                                                  s32 texture_view_x, s32 texture_view_y, s32 texture_view_width,
                                                  s32 texture_view_height)
 {
-  static constexpr std::array<float, 4> clear_color = {0.0f, 0.0f, 0.0f, 1.0f};
-
   if (!CheckPostProcessingRenderTargets(m_swap_chain->GetWidth(), m_swap_chain->GetHeight()))
   {
     BeginSwapChainRenderPass(m_swap_chain->GetCurrentFramebuffer());