EnvironmentProbe selectable resolution

Source/Engine/Core/Config/GraphicsSettings.cpp

@@ -13,6 +13,7 @@ void GraphicsSettings::Apply()
     Graphics::ShadowsQuality = ShadowsQuality;
     Graphics::ShadowMapsQuality = ShadowMapsQuality;
     Graphics::AllowCSMBlending = AllowCSMBlending;
+    Graphics::DefaultProbeResolution = (int32)DefaultProbeResolution;
     Graphics::GlobalSDFQuality = GlobalSDFQuality;
     Graphics::GIQuality = GIQuality;
     Graphics::GlobalSurfaceAtlasResolution = GlobalSurfaceAtlasResolution;

Source/Engine/Core/Config/GraphicsSettings.h

@@ -63,6 +63,22 @@ public:
     API_FIELD(Attributes="EditorOrder(1320), DefaultValue(false), EditorDisplay(\"Quality\", \"Allow CSM Blending\")")
     bool AllowCSMBlending = false;
 
+    /// <summary>
+    /// Default probes cubemap resolution.
+    /// </summary>
+    API_ENUM() enum class DefaultProbeResolutions
+    {
+        _64 = 64,
+        _128 = 128,
+        _256 = 256,
+        _512 = 512,
+        _1024 = 1024,
+        _2048 = 2048,
+        _4096 = 4096,
+    };
+    API_FIELD(Attributes = "EditorOrder(1500), DefaultValue(DefaultProbeResolutions._512), EditorDisplay(\"Quality\", \"Default Probe Resolution\")")
+    DefaultProbeResolutions DefaultProbeResolution = DefaultProbeResolutions::_512;
+
     /// <summary>
     /// If checked, enables Global SDF rendering. This can be used in materials, shaders, and particles.
     /// </summary>