diff --git a/include/d3d10shader.h b/include/d3d10shader.h
index 9e625d9..88091c4 100644
--- a/include/d3d10shader.h
+++ b/include/d3d10shader.h
@@ -82,6 +82,23 @@
     D3D10_SVT_FORCE_DWORD = 0x7fffffff
 } D3D10_SHADER_VARIABLE_TYPE, *LPD3D10_SHADER_VARIABLE_TYPE;
 
+typedef enum D3D10_NAME
+{
+    D3D10_NAME_UNDEFINED = 0,
+    D3D10_NAME_POSITION = 1,
+    D3D10_NAME_CLIP_DISTANCE = 2,
+    D3D10_NAME_CULL_DISTANCE = 3,
+    D3D10_NAME_RENDER_TARGET_ARRAY_INDEX = 4,
+    D3D10_NAME_VIEWPORT_ARRAY_INDEX = 5,
+    D3D10_NAME_VERTEX_ID = 6,
+    D3D10_NAME_PRIMITIVE_ID = 7,
+    D3D10_NAME_INSTANCE_ID = 8,
+    D3D10_NAME_IS_FRONT_FACE = 9,
+    D3D10_NAME_SAMPLE_INDEX = 10,
+    D3D10_NAME_TARGET = 64,
+    D3D10_NAME_DEPTH = 65,
+} D3D10_NAME;
+
 typedef struct _D3D10_SHADER_MACRO
 {
     LPCSTR Name;