[HDCameraEditor] Refactored fields and removed unused ones

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Editor/Camera/HDCameraEditor.Data.cs

         {
             SerializedHDCamera m_SerializedHdCamera;
 
-            AnimBool[] m_AnimBools = new AnimBool[8];
+            AnimBool[] m_AnimBools = new AnimBool[7];
-            public AnimBool isSectionExpandedBGColorOptions { get { return m_AnimBools[0]; } }
-            public AnimBool isSectionExpandedOrthoOptions { get { return m_AnimBools[1]; } }
-            public AnimBool isSectionExpandedTargetEyeOptions { get { return m_AnimBools[2]; } }
-            public AnimBool isSectionExpandedShaderFeature { get { return m_AnimBools[3]; } }
-            public AnimBool isSectionExpandedLightLoop { get { return m_AnimBools[4]; } }
-            public AnimBool isSectionExpandedScreenSpace { get { return m_AnimBools[5]; } }
-            public AnimBool isSectionExpandedMiscellaneous { get { return m_AnimBools[6]; } }
-            public AnimBool isSectionExpandedRenderLoopSettings { get { return m_AnimBools[7]; } }
+            public AnimBool isSectionExpandedOrthoOptions { get { return m_AnimBools[0]; } }
+            public AnimBool isSectionExpandedTargetEyeOptions { get { return m_AnimBools[1]; } }
+            public AnimBool isSectionExpandedShaderFeature { get { return m_AnimBools[2]; } }
+            public AnimBool isSectionExpandedLightLoop { get { return m_AnimBools[3]; } }
+            public AnimBool isSectionExpandedScreenSpace { get { return m_AnimBools[4]; } }
+            public AnimBool isSectionExpandedMiscellaneous { get { return m_AnimBools[5]; } }
+            public AnimBool isSectionExpandedRenderLoopSettings { get { return m_AnimBools[6]; } }
 
             public UIState()
             {
 
             public void Update()
             {
-                var clearFlags = (CameraClearFlags)m_SerializedHdCamera.clearFlags.intValue;
-                var clearFlagsHasMultipleValues = m_SerializedHdCamera.clearFlags.hasMultipleDifferentValues;
-                isSectionExpandedBGColorOptions.target = !clearFlagsHasMultipleValues && (clearFlags == CameraClearFlags.SolidColor || clearFlags == CameraClearFlags.Skybox);
-
                 isSectionExpandedOrthoOptions.target = !m_SerializedHdCamera.orthographic.hasMultipleDifferentValues && m_SerializedHdCamera.orthographic.boolValue;
 
                 var targetEyeValue = (StereoTargetEyeMask)m_SerializedHdCamera.targetEye.intValue;

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Editor/Camera/HDCameraEditor.Drawers.cs

     {
         static readonly CED.IDrawer[] k_PrimarySection =
         {
-            CED.Action(Drawer_FieldClearFlags),
-            CED.FadeGroup(
-                (s, d, o, i) => s.isSectionExpandedBGColorOptions.faded,
-                true,
-                CED.Action(Drawer_FieldBackgroundColor)),
+            CED.Action(Drawer_FieldBackgroundColor),
             CED.Action(Drawer_FieldCullingMask),
             CED.Action(Drawer_FieldVolumeLayerMask),
             CED.space,
             CED.space,
             CED.Action(Drawer_FieldDepth),
-            CED.Action(Drawer_FieldRenderingPath),
-            CED.Action(Drawer_FieldAllowMSAA),
-            CED.Action(Drawer_FieldAllowDynamicResolution),
+            CED.Action(Drawer_FieldRenderingPath),
             CED.FadeGroup(
                 (s, d, o, i) => s.isSectionExpandedTargetEyeOptions.faded,
                 true,
                     CED.Action(Drawer_SectionLightLoop)))
         };
 
-        static void Drawer_FieldClearFlags(UIState s, SerializedHDCamera p, Editor owner)
-        {
-            EditorGUILayout.PropertyField(p.clearFlags, _.GetContent("Clear Flags|What to display in empty areas of this Camera's view.\n\nChoose Skybox to display a skybox in empty areas, defaulting to a background color if no skybox is found.\n\nChoose Solid Color to display a background color in empty areas.\n\nChoose Depth Only to display nothing in empty areas.\n\nChoose Don't Clear to display whatever was displayed in the previous frame in empty areas."));
-        }
-
-            EditorGUILayout.PropertyField(p.backgroundColor, _.GetContent("Background|The Camera clears the screen to this color before rendering."));
+            EditorGUILayout.PropertyField(p.backgroundColor, _.GetContent("Background Color|The Camera clears the screen to this color before rendering."));
         }
 
         static void Drawer_FieldVolumeLayerMask(UIState s, SerializedHDCamera p, Editor owner)
         static void Drawer_FieldOcclusionCulling(UIState s, SerializedHDCamera p, Editor owner)
         {
             EditorGUILayout.PropertyField(p.occlusionCulling, _.GetContent("Occlusion Culling"));
-        }
-
-        static void Drawer_FieldAllowMSAA(UIState s, SerializedHDCamera p, Editor owner)
-        {
-            EditorGUILayout.PropertyField(p.allowMSAA, _.GetContent("Allow MSAA"));
-        }
-
-        static void Drawer_FieldAllowDynamicResolution(UIState s, SerializedHDCamera p, Editor owner)
-        {
-            EditorGUILayout.PropertyField(p.allowDynamicResolution, _.GetContent("Allow Dynamic Resolution"));
         }
 
         static void Drawer_CameraWarnings(UIState s, SerializedHDCamera p, Editor owner)

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Editor/Camera/SerializedHDCamera.cs

         public SerializedObject serializedObject;
         public SerializedObject serializedAdditionalDataObject;
 
-        public SerializedProperty clearFlags;
         public SerializedProperty backgroundColor;
         public SerializedProperty normalizedViewPortRect;
         public SerializedProperty fieldOfView;
         public SerializedProperty cullingMask;
-        public SerializedProperty _renderingPath; // Legacy rendering path
-        public SerializedProperty allowMSAA;
-        public SerializedProperty allowDynamicResolution;
         public SerializedProperty stereoConvergence;
         public SerializedProperty stereoSeparation;
         public SerializedProperty nearClippingPlane;
             hideFlags.intValue = (int)HideFlags.HideInInspector;
             serializedAdditionalDataObject.ApplyModifiedProperties();
 
-            clearFlags = serializedObject.FindProperty("m_ClearFlags");
             backgroundColor = serializedObject.FindProperty("m_BackGroundColor");
             normalizedViewPortRect = serializedObject.FindProperty("m_NormalizedViewPortRect");
             nearClippingPlane = serializedObject.FindProperty("near clip plane");
             orthographicSize = serializedObject.FindProperty("orthographic size");
             depth = serializedObject.FindProperty("m_Depth");
             cullingMask = serializedObject.FindProperty("m_CullingMask");
-            _renderingPath = serializedObject.FindProperty("m_RenderingPath");
-            allowMSAA = serializedObject.FindProperty("m_AllowMSAA");
-            allowDynamicResolution = serializedObject.FindProperty("m_AllowDynamicResolution");
 
             stereoConvergence = serializedObject.FindProperty("m_StereoConvergence");
             stereoSeparation = serializedObject.FindProperty("m_StereoSeparation");