Qt: Add option for internal/window resolution screenshots

src/duckstation-qt/displaysettingswidget.cpp

@@ -32,11 +32,12 @@ DisplaySettingsWidget::DisplaySettingsWidget(QtHostInterface* host_interface, QW
                                                &Settings::ParseDownsampleModeName, &Settings::GetDownsampleModeName,
                                                Settings::DEFAULT_GPU_DOWNSAMPLE_MODE);
   SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.displayLinearFiltering, "Display",
-                                               "LinearFiltering");
+                                               "LinearFiltering", true);
   SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.displayIntegerScaling, "Display",
-                                               "IntegerScaling");
-  SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.displayStretch, "Display",
-                                               "Stretch");
+                                               "IntegerScaling", false);
+  SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.displayStretch, "Display", "Stretch", false);
+  SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.internalResolutionScreenshots, "Display",
+                                               "InternalResolutionScreenshots", false);
   SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.vsync, "Display", "VSync");
   SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.displayAllFrames, "Display", "DisplayAllFrames",
                                                false);
@@ -101,9 +102,12 @@ DisplaySettingsWidget::DisplaySettingsWidget(QtHostInterface* host_interface, QW
     m_ui.displayIntegerScaling, tr("Integer Upscaling"), tr("Unchecked"),
     tr("Adds padding to the display area to ensure that the ratio between pixels on the host to "
        "pixels in the console is an integer number. <br>May result in a sharper image in some 2D games."));
-  dialog->registerWidgetHelp(
-    m_ui.displayStretch, tr("Stretch To Fill"), tr("Unchecked"),
-    tr("Fills the window with the active display area, regardless of the aspect ratio."));
+  dialog->registerWidgetHelp(m_ui.displayStretch, tr("Stretch To Fill"), tr("Unchecked"),
+                             tr("Fills the window with the active display area, regardless of the aspect ratio."));
+  dialog->registerWidgetHelp(m_ui.internalResolutionScreenshots, tr("Internal Resolution Screenshots"), tr("Unchecked"),
+                             tr("Saves screenshots at internal render resolution and without postprocessing. If this "
+                                "option is disabled, the screenshots will be taken at the window's resolution. "
+                                "Internal resolution screenshots can be very large at high rendering scales."));
   dialog->registerWidgetHelp(
     m_ui.vsync, tr("VSync"), tr("Checked"),
     tr("Enable this option to match DuckStation's refresh rate with your current monitor or screen. "

src/duckstation-qt/displaysettingswidget.ui

@@ -156,6 +156,13 @@
           </property>
          </widget>
         </item>
+        <item row="1" column="1">
+         <widget class="QCheckBox" name="internalResolutionScreenshots">
+          <property name="text">
+           <string>Internal Resolution Screenshots</string>
+          </property>
+         </widget>
+        </item>
        </layout>
       </item>
      </layout>

src/frontend-common/common_host_interface.cpp

@@ -2569,6 +2569,8 @@ void CommonHostInterface::SetDefaultSettings(SettingsInterface& si)
   si.SetStringValue("Main", "ControllerBackend",
                     ControllerInterface::GetBackendName(ControllerInterface::GetDefaultBackend()));
 
+  si.SetBoolValue("Display", "InternalResolutionScreenshots", false);
+
 #ifdef WITH_DISCORD_PRESENCE
   si.SetBoolValue("Main", "EnableDiscordPresence", false);
 #endif
@@ -2962,8 +2964,12 @@ bool CommonHostInterface::SaveScreenshot(const char* filename /* = nullptr */, b
     return false;
   }
 
+  const bool internal_resolution = GetBoolSettingValue("Display", "InternalResolutionScreenshots", false);
   const bool screenshot_saved =
-    m_display->WriteDisplayTextureToFile(filename, full_resolution, apply_aspect_ratio, compress_on_thread);
+    internal_resolution ?
+      m_display->WriteDisplayTextureToFile(filename, full_resolution, apply_aspect_ratio, compress_on_thread) :
+      m_display->WriteScreenshotToFile(filename, compress_on_thread);
+
   if (!screenshot_saved)
   {
     AddFormattedOSDMessage(10.0f, TranslateString("OSDMessage", "Failed to save screenshot to '%s'"), filename);