Remove some unused things reported by clang.

Common/Timer.h

@@ -51,7 +51,9 @@ public:
 private:
 	u64 m_LastTime;
 	u64 m_StartTime;
+#ifdef _WIN32
 	u64 m_frequency;
+#endif
 	bool m_Running;
 };
 

Common/Vulkan/VulkanContext.cpp

@@ -55,8 +55,6 @@ VulkanContext::VulkanContext(const char *app_name, int app_ver, uint32_t flags)
 #endif
 	graphics_queue_family_index_(-1),
 	surface_(VK_NULL_HANDLE),
-	prepared(false),
-	use_staging_buffer_(false),
 	instance_(VK_NULL_HANDLE),
 	width(0),
 	height(0),

Common/Vulkan/VulkanContext.h

@@ -255,8 +255,6 @@ private:
 	VkQueue gfx_queue_;
 
 	VkSurfaceKHR surface_;
-	bool prepared;
-	bool use_staging_buffer_;
 
 	std::string init_error_;
 	std::vector<const char *> instance_layer_names;

UI/ControlMappingScreen.h

@@ -64,7 +64,6 @@ protected:
 
 private:
 	int pspBtn_;
-	bool replace_;
 	std::function<void(KeyDef)> callback_;
 	bool mapped_;  // Prevent double registrations
 };

UI/CwCheatScreen.h

@@ -44,7 +44,6 @@ protected:
 private:
 	UI::EventReturn OnCheckBox(UI::EventParams &params);
 	std::vector<std::string> formattedList_;
-	bool anythingChanged_;
 };
 
 // TODO: Instead just hook the OnClick event on a regular checkbox.

UI/DisplayLayoutScreen.cpp

@@ -238,8 +238,8 @@ void DisplayLayoutScreen::CreateViews() {
 			Choice *center = new Choice(di->T("Center"), "", false, new AnchorLayoutParams(leftColumnWidth, WRAP_CONTENT, 10, NONE, NONE, 74));
 			center->OnClick.Handle(this, &DisplayLayoutScreen::OnCenter);
 			root_->Add(center);
-			PopupSliderChoiceFloat *zoomlvl_ = new PopupSliderChoiceFloat(&g_Config.fSmallDisplayZoomLevel, 1.0f, 10.0f, di->T("Zoom"), 1.0f, screenManager(), di->T("* PSP res"), new AnchorLayoutParams(leftColumnWidth, WRAP_CONTENT, 10, NONE, NONE, 134));
-			root_->Add(zoomlvl_);
+			PopupSliderChoiceFloat *zoomlvl = new PopupSliderChoiceFloat(&g_Config.fSmallDisplayZoomLevel, 1.0f, 10.0f, di->T("Zoom"), 1.0f, screenManager(), di->T("* PSP res"), new AnchorLayoutParams(leftColumnWidth, WRAP_CONTENT, 10, NONE, NONE, 134));
+			root_->Add(zoomlvl);
 			mode_->AddChoice(di->T("Move"));
 			mode_->AddChoice(di->T("Resize"));
 			mode_->SetSelection(0);

UI/DisplayLayoutScreen.h

@@ -42,7 +42,6 @@ private:
 	UI::ChoiceStrip *mode_;
 	UI::PopupMultiChoice *zoom_;
 	UI::PopupMultiChoice *rotation_;
-	UI::PopupSliderChoiceFloat *zoomlvl_;
 	bool displayRotEnable_;
 	// Touch down state for drag to resize etc
 	float startX_;

UI/GameSettingsScreen.h

@@ -43,9 +43,6 @@ private:
 	//edit the game-specific settings and restore the global settings after exiting
 	bool bEditThenRestore;
 	bool lastVertical_;
-	// As we load metadata in the background, we need to be able to update these after the fact.
-	UI::TextView *tvTitle_;
-	UI::TextView *tvGameSize_;
 	UI::CheckBox *enableReportsCheckbox_;
 	UI::Choice *layoutEditorChoice_;
 	UI::Choice *postProcChoice_;

UI/GamepadEmu.h

@@ -127,8 +127,6 @@ private:
 	int stick_;
 	float stick_size_;
 	float scale_;
-	bool dragging_[MAX_POINTERS];
-	bool lastPointerDown_[MAX_POINTERS];
 
 	float centerX_;
 	float centerY_;

ext/native/thin3d/thin3d_vulkan.cpp

@@ -979,10 +979,6 @@ void Thin3DVKTexture::Finalize(int zim_flags) {
 	// TODO
 }
 
-static bool isPowerOf2(int n) {
-	return n == 1 || (n & (n - 1)) == 0;
-}
-
 Thin3DDepthStencilState *Thin3DVKContext::CreateDepthStencilState(bool depthTestEnabled, bool depthWriteEnabled, T3DComparison depthCompare) {
 	Thin3DVKDepthStencilState *ds = new Thin3DVKDepthStencilState();
 	ds->depthTestEnabled = depthTestEnabled;