VideoCommon: Invert interaction between Arbitrary Mipmap Detection and GPU Texture Decoding (the former disables the latter)

Split from #14293.
It makes sense for a setting that changes visual output to have priority over a setting that barely makes any difference.

15 files changed, 42 insertions, 92 deletions

diff --git a/Data/Sys/GameSettings/DAX.ini b/Data/Sys/GameSettings/DAX.ini
index a6e6b366cf..6fea79b0a9 100644
--- a/Data/Sys/GameSettings/DAX.ini
+++ b/Data/Sys/GameSettings/DAX.ini
@@ -15,8 +15,3 @@ EFBEmulateFormatChanges = True
 
 [Video_Enhancements]
 ArbitraryMipmapDetection = True
-
-[Video_Settings]
-# Allow the ArbitraryMipmapDetection setting to take effect.
-
-EnableGPUTextureDecoding = False
diff --git a/Data/Sys/GameSettings/GMS.ini b/Data/Sys/GameSettings/GMS.ini
index 162644b033..a03c122b36 100644
--- a/Data/Sys/GameSettings/GMS.ini
+++ b/Data/Sys/GameSettings/GMS.ini
@@ -21,10 +21,5 @@ MissingColorValue = 0x00000000
 ForceTextureFiltering = 0
 ArbitraryMipmapDetection = True
 
-[Video_Settings]
-# Allow the ArbitraryMipmapDetection setting to take effect.
-
-EnableGPUTextureDecoding = False
-
 [Video_Stereoscopy]
 StereoConvergence = 732
diff --git a/Data/Sys/GameSettings/GZ2.ini b/Data/Sys/GameSettings/GZ2.ini
index 9261767b41..b592e7f328 100644
--- a/Data/Sys/GameSettings/GZ2.ini
+++ b/Data/Sys/GameSettings/GZ2.ini
@@ -10,7 +10,7 @@
 # Add action replay cheats here.
 
 [Video_Hacks]
-# The game logic itself is ignoring VI interrupts 
+# The game logic itself is ignoring VI interrupts
 # and keeps updating shadow video registers.
 # Because of this, it is incompatible with VISkip.
 
@@ -23,9 +23,5 @@ VISkip = False
 
 CPUCull = True
 
-# Allow the ArbitraryMipmapDetection setting to take effect.
-
-EnableGPUTextureDecoding = False
-
 [Video_Enhancements]
 ArbitraryMipmapDetection = True
diff --git a/Data/Sys/GameSettings/GZL.ini b/Data/Sys/GameSettings/GZL.ini
index 5ffac0d340..4203954e72 100644
--- a/Data/Sys/GameSettings/GZL.ini
+++ b/Data/Sys/GameSettings/GZL.ini
@@ -13,7 +13,7 @@
 EFBAccessEnable = True
 EFBToTextureEnable = False
 
-# The game logic itself is ignoring VI interrupts 
+# The game logic itself is ignoring VI interrupts
 # and keeps updating shadow video registers.
 # Because of this, it is incompatible with VISkip.
 
@@ -24,8 +24,3 @@ ArbitraryMipmapDetection = True
 
 [Video_Stereoscopy]
 StereoConvergence = 115
-
-[Video_Settings]
-# Allow the ArbitraryMipmapDetection setting to take effect.
-
-EnableGPUTextureDecoding = False
diff --git a/Data/Sys/GameSettings/RMG.ini b/Data/Sys/GameSettings/RMG.ini
index 3f49e2923a..226987654a 100644
--- a/Data/Sys/GameSettings/RMG.ini
+++ b/Data/Sys/GameSettings/RMG.ini
@@ -14,8 +14,3 @@ EFBAccessDeferInvalidation = True
 
 [Video_Enhancements]
 ArbitraryMipmapDetection = True
-
-[Video_Settings]
-# Allow the ArbitraryMipmapDetection setting to take effect.
-
-EnableGPUTextureDecoding = False
diff --git a/Data/Sys/GameSettings/RZD.ini b/Data/Sys/GameSettings/RZD.ini
index 6a46bbdba0..72eb0cf0f3 100644
--- a/Data/Sys/GameSettings/RZD.ini
+++ b/Data/Sys/GameSettings/RZD.ini
@@ -11,7 +11,7 @@
 [Video_Hacks]
 EFBAccessEnable = True
 
-# The game logic itself is ignoring VI interrupts 
+# The game logic itself is ignoring VI interrupts
 # and keeps updating shadow video registers.
 # Because of this, it is incompatible with VISkip.
 
@@ -24,9 +24,5 @@ VISkip = False
 
 CPUCull = True
 
-# Allow the ArbitraryMipmapDetection setting to take effect.
-
-EnableGPUTextureDecoding = False
-
 [Video_Enhancements]
 ArbitraryMipmapDetection = True
diff --git a/Data/Sys/GameSettings/SB4.ini b/Data/Sys/GameSettings/SB4.ini
index a224a6cec7..0305e9c610 100644
--- a/Data/Sys/GameSettings/SB4.ini
+++ b/Data/Sys/GameSettings/SB4.ini
@@ -17,8 +17,3 @@ ArbitraryMipmapDetection = True
 
 [Video_Stereoscopy]
 StereoConvergence = 929
-
-[Video_Settings]
-# Allow the ArbitraryMipmapDetection setting to take effect.
-
-EnableGPUTextureDecoding = False
diff --git a/Data/Sys/GameSettings/SOU.ini b/Data/Sys/GameSettings/SOU.ini
index 90cffabe7b..0b7baaeea1 100644
--- a/Data/Sys/GameSettings/SOU.ini
+++ b/Data/Sys/GameSettings/SOU.ini
@@ -13,8 +13,3 @@ EFBEmulateFormatChanges = True
 
 [Video_Enhancements]
 ArbitraryMipmapDetection = True
-
-[Video_Settings]
-# Allow the ArbitraryMipmapDetection setting to take effect.
-
-EnableGPUTextureDecoding = False
diff --git a/Source/Core/Common/Config/Config.h b/Source/Core/Common/Config/Config.h
index d8a2a9a691..1a32203ea5 100644
--- a/Source/Core/Common/Config/Config.h
+++ b/Source/Core/Common/Config/Config.h
@@ -62,6 +62,14 @@ T Get(LayerType layer, const Info<T>& info)
 }
 
 template <typename T>
+T Get(const Layer* game_layer, const Info<T>& setting)
+{
+  if (game_layer != nullptr)
+    return game_layer->Get(setting);
+  return Get(setting);
+}
+
+template <typename T>
 T Get(const Info<T>& info)
 {
   CachedValue<T> cached = info.GetCachedValue();
diff --git a/Source/Core/DolphinQt/Config/Graphics/AdvancedWidget.cpp b/Source/Core/DolphinQt/Config/Graphics/AdvancedWidget.cpp
index 98089e6d3d..8e127f454b 100644
--- a/Source/Core/DolphinQt/Config/Graphics/AdvancedWidget.cpp
+++ b/Source/Core/DolphinQt/Config/Graphics/AdvancedWidget.cpp
@@ -33,7 +33,7 @@ AdvancedWidget::AdvancedWidget(GraphicsPane* gfx_pane) : m_game_layer{gfx_pane->
   connect(&Settings::Instance(), &Settings::EmulationStateChanged, this, [this](Core::State state) {
     OnEmulationStateChanged(state != Core::State::Uninitialized);
   });
-  connect(m_manual_texture_sampling, &QCheckBox::toggled,
+  connect(m_manual_texture_sampling, &QCheckBox::toggled, gfx_pane,
           [gfx_pane] { emit gfx_pane->UseFastTextureSamplingChanged(); });
 
   OnBackendChanged();
diff --git a/Source/Core/DolphinQt/Config/Graphics/EnhancementsWidget.cpp b/Source/Core/DolphinQt/Config/Graphics/EnhancementsWidget.cpp
index 57a7eb634f..276a75d9da 100644
--- a/Source/Core/DolphinQt/Config/Graphics/EnhancementsWidget.cpp
+++ b/Source/Core/DolphinQt/Config/Graphics/EnhancementsWidget.cpp
@@ -41,11 +41,11 @@ EnhancementsWidget::EnhancementsWidget(GraphicsPane* gfx_pane)
   // BackendChanged is called by parent on window creation.
   connect(gfx_pane, &GraphicsPane::BackendChanged, this, &EnhancementsWidget::OnBackendChanged);
   connect(gfx_pane, &GraphicsPane::UseFastTextureSamplingChanged, this, [this] {
-    m_texture_filtering_combo->setEnabled(ReadSetting(Config::GFX_HACK_FAST_TEXTURE_SAMPLING));
-  });
-  connect(gfx_pane, &GraphicsPane::UseGPUTextureDecodingChanged, this, [this] {
-    m_arbitrary_mipmap_detection->setEnabled(!ReadSetting(Config::GFX_ENABLE_GPU_TEXTURE_DECODING));
+    m_texture_filtering_combo->setEnabled(
+        Get(m_game_layer, Config::GFX_HACK_FAST_TEXTURE_SAMPLING));
   });
+  connect(m_arbitrary_mipmap_detection, &QCheckBox::toggled, gfx_pane,
+          [gfx_pane] { emit gfx_pane->UpdateGPUTextureDecoding(); });
 }
 
 constexpr int ANISO_1x = std::to_underlying(AnisotropicFilteringMode::Force1x);
@@ -82,8 +82,8 @@ void EnhancementsWidget::CreateWidgets()
 
   // If the current scale is greater than the max scale in the ini, add sufficient options so that
   // when the settings are saved we don't lose the user-modified value from the ini.
-  const int max_efb_scale =
-      std::max(ReadSetting(Config::GFX_EFB_SCALE), ReadSetting(Config::GFX_MAX_EFB_SCALE));
+  const int max_efb_scale = std::max(Get(m_game_layer, Config::GFX_EFB_SCALE),
+                                     Get(m_game_layer, Config::GFX_MAX_EFB_SCALE));
   for (int scale = static_cast<int>(resolution_options.size()); scale <= max_efb_scale; scale++)
   {
     const QString scale_text = QString::number(scale);
@@ -129,7 +129,7 @@ void EnhancementsWidget::CreateWidgets()
   m_texture_filtering_combo->Add(tr("Force Linear and 16x Anisotropic"), ANISO_16X,
                                  FILTERING_LINEAR);
   m_texture_filtering_combo->Refresh();
-  m_texture_filtering_combo->setEnabled(ReadSetting(Config::GFX_HACK_FAST_TEXTURE_SAMPLING));
+  m_texture_filtering_combo->setEnabled(Get(m_game_layer, Config::GFX_HACK_FAST_TEXTURE_SAMPLING));
 
   m_output_resampling_combo = new ConfigChoice(
       {tr("Default"), tr("Bilinear"), tr("Bicubic: B-Spline"), tr("Bicubic: Mitchell-Netravali"),
@@ -162,7 +162,8 @@ void EnhancementsWidget::CreateWidgets()
   m_arbitrary_mipmap_detection =
       new ConfigBool(tr("Arbitrary Mipmap Detection"),
                      Config::GFX_ENHANCE_ARBITRARY_MIPMAP_DETECTION, m_game_layer);
-  m_arbitrary_mipmap_detection->setEnabled(!ReadSetting(Config::GFX_ENABLE_GPU_TEXTURE_DECODING));
+  m_arbitrary_mipmap_detection->setEnabled(
+      !Get(m_game_layer, Config::GFX_ENABLE_GPU_TEXTURE_DECODING));
   m_hdr = new ConfigBool(tr("HDR Post-Processing"), Config::GFX_ENHANCE_HDR_OUTPUT, m_game_layer);
 
   int row = 0;
@@ -241,7 +242,7 @@ void EnhancementsWidget::CreateWidgets()
   m_3d_depth_value->setText(QString::asprintf("%.0f", m_3d_depth->GetValue()));
   m_3d_convergence_value->setText(QString::asprintf("%.2f", m_3d_convergence->GetValue()));
 
-  auto current_stereo_mode = ReadSetting(Config::GFX_STEREO_MODE);
+  auto current_stereo_mode = Get(m_game_layer, Config::GFX_STEREO_MODE);
   if (current_stereo_mode != StereoMode::SBS && current_stereo_mode != StereoMode::TAB)
     m_3d_per_eye_resolution->hide();
 
@@ -254,8 +255,8 @@ void EnhancementsWidget::CreateWidgets()
 
 void EnhancementsWidget::ConnectWidgets()
 {
-  connect(m_3d_mode, &QComboBox::currentIndexChanged, [this] {
-    auto current_stereo_mode = ReadSetting(Config::GFX_STEREO_MODE);
+  connect(m_3d_mode, &QComboBox::currentIndexChanged, this, [this] {
+    auto current_stereo_mode = Get(m_game_layer, Config::GFX_STEREO_MODE);
     LoadPostProcessingShaders();
 
     if (current_stereo_mode == StereoMode::SBS || current_stereo_mode == StereoMode::TAB)
@@ -279,18 +280,9 @@ void EnhancementsWidget::ConnectWidgets()
   });
 }
 
-template <typename T>
-T EnhancementsWidget::ReadSetting(const Config::Info<T>& setting) const
-{
-  if (m_game_layer != nullptr)
-    return m_game_layer->Get(setting);
-  else
-    return Config::Get(setting);
-}
-
 void EnhancementsWidget::LoadPostProcessingShaders()
 {
-  auto stereo_mode = ReadSetting(Config::GFX_STEREO_MODE);
+  auto stereo_mode = Get(m_game_layer, Config::GFX_STEREO_MODE);
 
   const QSignalBlocker blocker(m_post_processing_effect);
   m_post_processing_effect->clear();
@@ -307,7 +299,7 @@ void EnhancementsWidget::LoadPostProcessingShaders()
   if (stereo_mode != StereoMode::Anaglyph && stereo_mode != StereoMode::Passive)
     m_post_processing_effect->addItem(tr("(off)"), QStringLiteral(""));
 
-  auto selected_shader = ReadSetting(Config::GFX_ENHANCE_POST_SHADER);
+  auto selected_shader = Get(m_game_layer, Config::GFX_ENHANCE_POST_SHADER);
 
   bool found = false;
 
@@ -337,7 +329,8 @@ void EnhancementsWidget::LoadPostProcessingShaders()
     m_post_processing_effect->setCurrentIndex(index);
 
     // Save forced shader, but avoid forcing an option into a game ini layer.
-    if (m_game_layer == nullptr && ReadSetting(Config::GFX_ENHANCE_POST_SHADER) != selected_shader)
+    if (m_game_layer == nullptr &&
+        Get(m_game_layer, Config::GFX_ENHANCE_POST_SHADER) != selected_shader)
       Config::SetBaseOrCurrent(Config::GFX_ENHANCE_POST_SHADER, selected_shader);
   }
 
@@ -380,7 +373,7 @@ void EnhancementsWidget::OnBackendChanged()
 
 void EnhancementsWidget::ShaderChanged()
 {
-  auto shader = ReadSetting(Config::GFX_ENHANCE_POST_SHADER);
+  auto shader = Get(m_game_layer, Config::GFX_ENHANCE_POST_SHADER);
 
   if (shader == "(off)" || shader == "")
   {
@@ -406,18 +399,6 @@ void EnhancementsWidget::ShaderChanged()
   }
 }
 
-void EnhancementsWidget::OnConfigChanged()
-{
-  // Only used for the GameConfigWidget. Bypasses graphics window signals and backend info due to it
-  // being global.
-  m_texture_filtering_combo->setEnabled(ReadSetting(Config::GFX_HACK_FAST_TEXTURE_SAMPLING));
-  m_arbitrary_mipmap_detection->setEnabled(!ReadSetting(Config::GFX_ENABLE_GPU_TEXTURE_DECODING));
-  UpdateAntialiasingOptions();
-
-  // Needs to update after deleting a key for 3d settings.
-  LoadPostProcessingShaders();
-}
-
 void EnhancementsWidget::UpdateAntialiasingOptions()
 {
   const QSignalBlocker blocker(m_antialiasing_combo);
@@ -570,9 +551,9 @@ void EnhancementsWidget::AddDescriptions()
       "effects.<br><br>May have false positives that result in blurry textures at increased "
       "internal "
       "resolution, such as in games that use very low resolution mipmaps. Disabling this can also "
-      "reduce stutter in games that frequently load new textures.<br><br>This setting is disabled "
-      "when GPU Texture Decoding is enabled.<br><br><dolphin_emphasis>If unsure, leave this "
-      "unchecked.</dolphin_emphasis>");
+      "reduce stutter in games that frequently load new textures.<br><br>If this setting is "
+      "enabled, GPU Texture Decoding will be disabled.<br><br><dolphin_emphasis>If "
+      "unsure, leave this unchecked.</dolphin_emphasis>");
   static const char TR_HDR_DESCRIPTION[] = QT_TR_NOOP(
       "Enables scRGB HDR output (if supported by your graphics backend and monitor)."
       " Fullscreen might be required."
@@ -637,7 +618,7 @@ void EnhancementsWidget::ConfigureColorCorrection()
 
 void EnhancementsWidget::ConfigurePostProcessingShader()
 {
-  const std::string shader = ReadSetting(Config::GFX_ENHANCE_POST_SHADER);
+  const std::string shader = Get(m_game_layer, Config::GFX_ENHANCE_POST_SHADER);
   PostProcessingConfigWindow dialog(this, shader);
   dialog.exec();
 }
diff --git a/Source/Core/DolphinQt/Config/Graphics/EnhancementsWidget.h b/Source/Core/DolphinQt/Config/Graphics/EnhancementsWidget.h
index 6309c6af0e..02205f526f 100644
--- a/Source/Core/DolphinQt/Config/Graphics/EnhancementsWidget.h
+++ b/Source/Core/DolphinQt/Config/Graphics/EnhancementsWidget.h
@@ -29,9 +29,6 @@ public:
   explicit EnhancementsWidget(GraphicsPane* gfx_pane);
 
 private:
-  template <typename T>
-  T ReadSetting(const Config::Info<T>& setting) const;
-
   void CreateWidgets();
   void ConnectWidgets();
   void AddDescriptions();
@@ -40,7 +37,6 @@ private:
   void UpdateAntialiasingOptions();
   void LoadPostProcessingShaders();
   void ShaderChanged();
-  void OnConfigChanged();
 
   void ConfigureColorCorrection();
   void ConfigurePostProcessingShader();
diff --git a/Source/Core/DolphinQt/Config/Graphics/GraphicsPane.h b/Source/Core/DolphinQt/Config/Graphics/GraphicsPane.h
index ffc55600ca..37ed7f8435 100644
--- a/Source/Core/DolphinQt/Config/Graphics/GraphicsPane.h
+++ b/Source/Core/DolphinQt/Config/Graphics/GraphicsPane.h
@@ -23,7 +23,7 @@ public:
 signals:
   void BackendChanged(const QString& backend);
   void UseFastTextureSamplingChanged();
-  void UseGPUTextureDecodingChanged();
+  void UpdateGPUTextureDecoding();
 
 private:
   void CreateMainLayout();
diff --git a/Source/Core/DolphinQt/Config/Graphics/HacksWidget.cpp b/Source/Core/DolphinQt/Config/Graphics/HacksWidget.cpp
index 6d1108774a..61df287dbb 100644
--- a/Source/Core/DolphinQt/Config/Graphics/HacksWidget.cpp
+++ b/Source/Core/DolphinQt/Config/Graphics/HacksWidget.cpp
@@ -27,8 +27,10 @@ HacksWidget::HacksWidget(GraphicsPane* gfx_pane) : m_game_layer{gfx_pane->GetCon
 
   connect(gfx_pane, &GraphicsPane::BackendChanged, this, &HacksWidget::OnBackendChanged);
   OnBackendChanged(QString::fromStdString(Config::Get(Config::MAIN_GFX_BACKEND)));
-  connect(m_gpu_texture_decoding, &QCheckBox::toggled,
-          [gfx_pane] { emit gfx_pane->UseGPUTextureDecodingChanged(); });
+  connect(gfx_pane, &GraphicsPane::UpdateGPUTextureDecoding, this, [this] {
+    m_gpu_texture_decoding->setEnabled(
+        !Get(m_game_layer, Config::GFX_ENHANCE_ARBITRARY_MIPMAP_DETECTION));
+  });
 }
 
 void HacksWidget::CreateWidgets()
@@ -214,8 +216,8 @@ void HacksWidget::AddDescriptions()
   static const char TR_GPU_DECODING_DESCRIPTION[] = QT_TR_NOOP(
       "Enables texture decoding using the GPU instead of the CPU.<br><br>This may result in "
       "performance gains in some scenarios, or on systems where the CPU is the "
-      "bottleneck.<br><br>If this setting is enabled, Arbitrary Mipmap Detection will be "
-      "disabled.<br><br>"
+      "bottleneck.<br><br>This setting is disabled when Arbitrary Mipmap Detection is "
+      "enabled.<br><br>"
       "<dolphin_emphasis>If unsure, leave this unchecked.</dolphin_emphasis>");
   static const char TR_FAST_DEPTH_CALC_DESCRIPTION[] = QT_TR_NOOP(
       "Uses a less accurate algorithm to calculate depth values.<br><br>Causes issues in a few "
diff --git a/Source/Core/VideoCommon/VideoConfig.h b/Source/Core/VideoCommon/VideoConfig.h
index 3f82e3afe7..2d0ab116a1 100644
--- a/Source/Core/VideoCommon/VideoConfig.h
+++ b/Source/Core/VideoCommon/VideoConfig.h
@@ -364,7 +364,8 @@ struct VideoConfig final
   }
   bool UseGPUTextureDecoding() const
   {
-    return g_backend_info.bSupportsGPUTextureDecoding && bEnableGPUTextureDecoding;
+    return g_backend_info.bSupportsGPUTextureDecoding && bEnableGPUTextureDecoding &&
+           !bArbitraryMipmapDetection;
   }
   bool UseVertexRounding() const { return bVertexRounding && iEFBScale != 1; }
   bool ManualTextureSamplingWithCustomTextureSizes() const