diff --git a/include/vkd3d_d3d12.idl b/include/vkd3d_d3d12.idl
index 8f9c226e..71a74999 100644
--- a/include/vkd3d_d3d12.idl
+++ b/include/vkd3d_d3d12.idl
@@ -1599,6 +1599,8 @@ typedef enum D3D12_INDEX_BUFFER_STRIP_CUT_VALUE
 
 typedef D3D_PRIMITIVE_TOPOLOGY D3D12_PRIMITIVE_TOPOLOGY;
 
+typedef D3D_PRIMITIVE D3D12_PRIMITIVE;
+
 typedef enum D3D12_PRIMITIVE_TOPOLOGY_TYPE
 {
     D3D12_PRIMITIVE_TOPOLOGY_TYPE_UNDEFINED = 0,
diff --git a/include/vkd3d_d3dcommon.idl b/include/vkd3d_d3dcommon.idl
index 0e0d4f7b..b7948609 100644
--- a/include/vkd3d_d3dcommon.idl
+++ b/include/vkd3d_d3dcommon.idl
@@ -21,6 +21,92 @@ import "vkd3d_windows.h";
 
 #include "vkd3d_unknown.idl"
 
+typedef enum D3D_PRIMITIVE
+{
+    D3D_PRIMITIVE_UNDEFINED,
+    D3D_PRIMITIVE_POINT,
+    D3D_PRIMITIVE_LINE,
+    D3D_PRIMITIVE_TRIANGLE,
+    D3D_PRIMITIVE_LINE_ADJ = 6,
+    D3D_PRIMITIVE_TRIANGLE_ADJ,
+    D3D_PRIMITIVE_1_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_2_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_3_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_4_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_5_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_6_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_7_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_8_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_9_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_10_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_11_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_12_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_13_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_14_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_15_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_16_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_17_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_18_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_19_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_20_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_21_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_22_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_23_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_24_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_25_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_26_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_27_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_28_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_29_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_30_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_31_CONTROL_POINT_PATCH,
+    D3D_PRIMITIVE_32_CONTROL_POINT_PATCH,
+    D3D10_PRIMITIVE_UNDEFINED = 0,
+    D3D10_PRIMITIVE_POINT,
+    D3D10_PRIMITIVE_LINE,
+    D3D10_PRIMITIVE_TRIANGLE,
+    D3D10_PRIMITIVE_LINE_ADJ = 6,
+    D3D10_PRIMITIVE_TRIANGLE_ADJ,
+    D3D11_PRIMITIVE_UNDEFINED = 0,
+    D3D11_PRIMITIVE_POINT,
+    D3D11_PRIMITIVE_LINE,
+    D3D11_PRIMITIVE_TRIANGLE,
+    D3D11_PRIMITIVE_LINE_ADJ = 6,
+    D3D11_PRIMITIVE_TRIANGLE_ADJ,
+    D3D11_PRIMITIVE_1_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_2_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_3_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_4_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_5_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_6_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_7_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_8_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_9_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_10_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_11_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_12_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_13_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_14_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_15_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_16_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_17_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_18_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_19_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_20_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_21_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_22_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_23_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_24_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_25_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_26_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_27_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_28_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_29_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_30_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_31_CONTROL_POINT_PATCH,
+    D3D11_PRIMITIVE_32_CONTROL_POINT_PATCH,
+} D3D_PRIMITIVE;
+
 typedef enum D3D_PRIMITIVE_TOPOLOGY
 {
     D3D_PRIMITIVE_TOPOLOGY_UNDEFINED = 0,