Fix render target clear when sizes mismatch (#2994)

Ryujinx.Graphics.Gpu/Engine/Threed/ThreedClass.cs

@@ -137,6 +137,14 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
             _stateUpdater.UpdateRenderTargetState(useControl, singleUse);
         }
 
+        /// <summary>
+        /// Updates scissor based on current render target state.
+        /// </summary>
+        public void UpdateScissorState()
+        {
+            _stateUpdater.UpdateScissorState();
+        }
+
         /// <summary>
         /// Marks the entire state as dirty, forcing a full host state update before the next draw.
         /// </summary>