diff --git a/src/Refresh.cs b/src/Refresh.cs
index 96ba986..65f4c22 100644
--- a/src/Refresh.cs
+++ b/src/Refresh.cs
@@ -480,15 +480,6 @@ namespace RefreshCS
 			public uint imageBindingCount;
 		}
 
-		[StructLayout(LayoutKind.Sequential)]
-		public struct ViewportState
-		{
-			public IntPtr viewports;
-			public uint viewportCount;
-			public IntPtr scissors;
-			public uint scissorCount;
-		}
-
 		[StructLayout(LayoutKind.Sequential)]
 		public struct RasterizerState
 		{
@@ -548,7 +539,6 @@ namespace RefreshCS
 			public GraphicsShaderInfo fragmentShaderInfo;
 			public VertexInputState vertexInputState;
 			public PrimitiveType primitiveType;
-			public ViewportState viewportState;
 			public RasterizerState rasterizerState;
 			public MultisampleState multisampleState;
 			public DepthStencilState depthStencilState;
@@ -857,6 +847,20 @@ namespace RefreshCS
 			IntPtr graphicsPipeline
 		);
 
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void Refresh_SetViewport(
+			IntPtr device,
+			IntPtr commandBuffer,
+			in Viewport viewport
+		);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void Refresh_SetScissor(
+			IntPtr device,
+			IntPtr commandBuffer,
+			in Rect scissor
+		);
+
 		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
 		public static extern void Refresh_BindVertexBuffers(
 			IntPtr device,