Add Texture lod bias to UI (#12905)

rpcs3/rpcs3qt/emu_settings_type.h

@@ -78,6 +78,7 @@ enum class emu_settings_type
 	ShaderPrecisionQuality,
 	Enable3D,
 	AnisotropicFilterOverride,
+	TextureLodBias,
 	ResolutionScale,
 	MinimumScalableDimension,
 	FsrUpscalingEnable,
@@ -259,6 +260,7 @@ inline static const QMap<emu_settings_type, cfg_location> settings_location =
 	{ emu_settings_type::RelaxedZCULL,               { "Video", "Relaxed ZCULL Sync"}},
 	{ emu_settings_type::PreciseZCULL,               { "Video", "Accurate ZCULL stats"}},
 	{ emu_settings_type::AnisotropicFilterOverride,  { "Video", "Anisotropic Filter Override"}},
+	{ emu_settings_type::TextureLodBias,             { "Video", "Texture LOD Bias Addend"}},
 	{ emu_settings_type::ResolutionScale,            { "Video", "Resolution Scale"}},
 	{ emu_settings_type::MinimumScalableDimension,   { "Video", "Minimum Scalable Dimension"}},
 	{ emu_settings_type::VulkanAdapter,              { "Video", "Vulkan", "Adapter"}},

rpcs3/rpcs3qt/settings_dialog.cpp

@@ -730,6 +730,14 @@ settings_dialog::settings_dialog(std::shared_ptr<gui_settings> gui_settings, std
 		ui->fsrSharpeningStrength->setValue(fsr_sharpening_strength_def);
 	});
 
+	// DoubleSpinBoxes
+	m_emu_settings->EnhanceDoubleSpinBox(ui->TextureLODBias, emu_settings_type::TextureLodBias);
+	SubscribeTooltip(ui->gb_Level_of_Detail, tooltips.settings.texture_lod_bias);
+	connect(ui->TextureLODBiasReset, &QAbstractButton::clicked, [this]()
+	{
+		ui->TextureLODBias->setValue(stod(m_emu_settings->GetSettingDefault(emu_settings_type::TextureLodBias)));
+	});
+
 	// Remove renderers from the renderer Combobox if not supported
 	for (const auto& renderer : r_creator->renderers)
 	{

rpcs3/rpcs3qt/settings_dialog.ui

@@ -849,6 +849,29 @@
               </layout>
              </widget>
             </item>
+            <item>
+             <widget class="QGroupBox" name="gb_Level_of_Detail">
+              <property name="title">
+               <string>Level of Detail</string>
+              </property>
+              <layout class="QVBoxLayout" name="gb_Level_of_Detail_Layout">
+               <item>
+                <layout class="QHBoxLayout" name="TextureLODBiasLayout">
+                 <item>
+                  <widget class="QDoubleSpinBox" name="TextureLODBias"/>
+                 </item>
+                 <item>
+                  <widget class="QPushButton" name="TextureLODBiasReset">
+                   <property name="text">
+                    <string>Reset</string>
+                   </property>
+                  </widget>
+                 </item>
+                </layout>
+               </item>
+              </layout>
+             </widget>
+            </item>
             <item>
              <spacer name="gpu_tab_layout_middle_spacer">
               <property name="orientation">

rpcs3/rpcs3qt/tooltips.h

@@ -184,6 +184,8 @@ public:
 		const QString fsr_upscaling     = tr("Enable FidelityFX Super Resolution upscaling filter to improve the look of upscaled images.\nIf the game is rendering at an internal resolution lower than your window resolution, FidelityFX will handle the upscale.\nCan cause visual artifacts.\nDoes not work with stereo 3D output for now.");
 		const QString fsr_rcas_strength = tr("Control the sharpening strength applied by FidelityFX Super Resolution. Higher values will give sharper output but may introduce artifacts.");
 
+		const QString texture_lod_bias = tr("Changes Texture sampling accuracy. (Small changes have a big effect.)\nAvoid using values outside the range of -12 to +12 if you're unsure.\n-3 to +3 is plenty for most usecases");
+
 		// gui
 
 		const QString log_limit          = tr("Sets the maximum amount of blocks that the log can display.\nThis usually equals the number of lines.\nSet 0 in order to remove the limit.");