Graphics: Adapt aspect ratio when SBS/TAB 3D is used

Adds support for choosing to present the full resolution
independently to each eye when using side-by-side or
top-and-bottom 3D.

1 files changed, 24 insertions, 2 deletions

diff --git a/Source/Core/DolphinQt/Config/Graphics/EnhancementsWidget.cpp b/Source/Core/DolphinQt/Config/Graphics/EnhancementsWidget.cpp
index f70b01ef6a..897eea6be6 100644
--- a/Source/Core/DolphinQt/Config/Graphics/EnhancementsWidget.cpp
+++ b/Source/Core/DolphinQt/Config/Graphics/EnhancementsWidget.cpp
@@ -213,8 +213,12 @@ void EnhancementsWidget::CreateWidgets()
   m_3d_depth = new ConfigSlider(0, Config::GFX_STEREO_DEPTH_MAXIMUM, Config::GFX_STEREO_DEPTH);
   m_3d_convergence = new ConfigSlider(0, Config::GFX_STEREO_CONVERGENCE_MAXIMUM,
                                       Config::GFX_STEREO_CONVERGENCE, 100);
+
   m_3d_swap_eyes = new ConfigBool(tr("Swap Eyes"), Config::GFX_STEREO_SWAP_EYES);
 
+  m_3d_per_eye_resolution =
+      new ConfigBool(tr("Use Full Resolution Per Eye"), Config::GFX_STEREO_PER_EYE_RESOLUTION_FULL);
+
   stereoscopy_layout->addWidget(new QLabel(tr("Stereoscopic 3D Mode:")), 0, 0);
   stereoscopy_layout->addWidget(m_3d_mode, 0, 1);
   stereoscopy_layout->addWidget(new QLabel(tr("Depth:")), 1, 0);
@@ -222,6 +226,11 @@ void EnhancementsWidget::CreateWidgets()
   stereoscopy_layout->addWidget(new QLabel(tr("Convergence:")), 2, 0);
   stereoscopy_layout->addWidget(m_3d_convergence, 2, 1);
   stereoscopy_layout->addWidget(m_3d_swap_eyes, 3, 0);
+  stereoscopy_layout->addWidget(m_3d_per_eye_resolution, 4, 0);
+
+  auto current_stereo_mode = Config::Get(Config::GFX_STEREO_MODE);
+  if (current_stereo_mode != StereoMode::SBS && current_stereo_mode != StereoMode::TAB)
+    m_3d_per_eye_resolution->hide();
 
   main_layout->addWidget(enhancements_box);
   main_layout->addWidget(stereoscopy_box);
@@ -241,9 +250,16 @@ void EnhancementsWidget::ConnectWidgets()
   connect(m_3d_mode, &QComboBox::currentIndexChanged, [this] {
     m_block_save = true;
     m_configure_color_correction->setEnabled(g_Config.backend_info.bSupportsPostProcessing);
-    LoadPPShaders(static_cast<StereoMode>(m_3d_mode->currentIndex()));
-    m_block_save = false;
 
+    auto current_stereo_mode = Config::Get(Config::GFX_STEREO_MODE);
+    LoadPPShaders(current_stereo_mode);
+
+    if (current_stereo_mode == StereoMode::SBS || current_stereo_mode == StereoMode::TAB)
+      m_3d_per_eye_resolution->show();
+    else
+      m_3d_per_eye_resolution->hide();
+
+    m_block_save = false;
     SaveSettings();
   });
   connect(m_configure_color_correction, &QPushButton::clicked, this,
@@ -609,6 +625,10 @@ void EnhancementsWidget::AddDescriptions()
   static const char TR_3D_SWAP_EYES_DESCRIPTION[] = QT_TR_NOOP(
       "Swaps the left and right eye. Most useful in side-by-side stereoscopy "
       "mode.<br><br><dolphin_emphasis>If unsure, leave this unchecked.</dolphin_emphasis>");
+  static const char TR_3D_PER_EYE_RESOLUTION_DESCRIPTION[] =
+      QT_TR_NOOP("Whether each eye gets full or half image resolution when using side-by-side "
+                 "or above-and-below 3D."
+                 "<br><br><dolphin_emphasis>If unsure, leave this unchecked.</dolphin_emphasis>");
   static const char TR_FORCE_24BIT_DESCRIPTION[] = QT_TR_NOOP(
       "Forces the game to render the RGB color channels in 24-bit, thereby increasing "
       "quality by reducing color banding.<br><br>Has no impact on performance and causes "
@@ -679,6 +699,8 @@ void EnhancementsWidget::AddDescriptions()
   m_3d_convergence->SetTitle(tr("Convergence"));
   m_3d_convergence->SetDescription(tr(TR_3D_CONVERGENCE_DESCRIPTION));
 
+  m_3d_per_eye_resolution->SetDescription(tr(TR_3D_PER_EYE_RESOLUTION_DESCRIPTION));
+
   m_3d_swap_eyes->SetDescription(tr(TR_3D_SWAP_EYES_DESCRIPTION));
 }