Fixed rendering when an incompatible api is added in the editor (case…

… 1384634)

com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Utility/HDUtils.cs

@@ -754,12 +754,24 @@ internal static bool IsSupportedBuildTarget(UnityEditor.BuildTarget buildTarget)
 
         internal static bool AreGraphicsAPIsSupported(UnityEditor.BuildTarget target, ref GraphicsDeviceType unsupportedGraphicDevice)
         {
-            foreach (var graphicAPI in UnityEditor.PlayerSettings.GetGraphicsAPIs(target))
+            bool editor = false;
+#if UNITY_EDITOR
+            editor = !UnityEditor.BuildPipeline.isBuildingPlayer;
+#endif
+
+            if (editor)  // In the editor we use the current graphics device instead of the list to avoid blocking the rendering if an invalid API is added but not enabled.
             {
-                if (!HDUtils.IsSupportedGraphicDevice(graphicAPI))
+                return HDUtils.IsSupportedGraphicDevice(SystemInfo.graphicsDeviceType);
+            }
+            else
+            {
+                foreach (var graphicAPI in UnityEditor.PlayerSettings.GetGraphicsAPIs(target))
                 {
-                    unsupportedGraphicDevice = graphicAPI;
-                    return false;
+                    if (!HDUtils.IsSupportedGraphicDevice(graphicAPI))
+                    {
+                        unsupportedGraphicDevice = graphicAPI;
+                        return false;
+                    }
                 }
             }
             return true;