Change ImGui update method

veldrid · Sep 16, 2019 · 0a46e19 · 0a46e19
1 parent b75a172
commit 0a46e19
Showing 1 changed file with 18 additions and 1 deletion.
diff --git a/src/Veldrid.ImGui/ImGuiRenderer.cs b/src/Veldrid.ImGui/ImGuiRenderer.cs
@@ -371,15 +371,32 @@ public unsafe void Render(GraphicsDevice gd, CommandList cl)
         /// Updates ImGui input and IO configuration state.
         /// </summary>
         public void Update(float deltaSeconds, InputSnapshot snapshot)
+        {
+            BeginUpdate(deltaSeconds);
+            UpdateImGuiInput(snapshot);
+            EndUpdate();
+        }
+
+        /// <summary>
+        /// Called before we handle the input in <see cref="Update(float, InputSnapshot)"/>.
+        /// This render ImGui and update the state.
+        /// </summary>
+        protected void BeginUpdate(float deltaSeconds)
         {
             if (_frameBegun)
             {
                 ImGui.Render();
             }
 
             SetPerFrameImGuiData(deltaSeconds);
-            UpdateImGuiInput(snapshot);
+        }
 
+        /// <summary>
+        /// Called at the end of <see cref="Update(float, InputSnapshot)"/>.
+        /// This tells ImGui that we are on the next frame.
+        /// </summary>
+        protected void EndUpdate()
+        {
             _frameBegun = true;
             ImGui.NewFrame();
         }