diff --git a/include/vkd3d_d3dcommon.idl b/include/vkd3d_d3dcommon.idl
index 0359a749..ed6f2705 100644
--- a/include/vkd3d_d3dcommon.idl
+++ b/include/vkd3d_d3dcommon.idl
@@ -191,6 +191,12 @@ typedef enum _D3D_SHADER_VARIABLE_TYPE
     D3D_SVT_RWSTRUCTURED_BUFFER,
     D3D_SVT_APPEND_STRUCTURED_BUFFER,
     D3D_SVT_CONSUME_STRUCTURED_BUFFER,
+    D3D_SVT_MIN8FLOAT,
+    D3D_SVT_MIN10FLOAT,
+    D3D_SVT_MIN16FLOAT,
+    D3D_SVT_MIN12INT,
+    D3D_SVT_MIN16INT,
+    D3D_SVT_MIN16UINT,
     D3D_SVT_FORCE_DWORD = 0x7fffffff,
 } D3D_SHADER_VARIABLE_TYPE;