diff --git a/libs/vkd3d-shader/hlsl.c b/libs/vkd3d-shader/hlsl.c
index f74712a9..b42e3088 100644
--- a/libs/vkd3d-shader/hlsl.c
+++ b/libs/vkd3d-shader/hlsl.c
@@ -2211,6 +2211,10 @@ struct vkd3d_string_buffer *hlsl_modifiers_to_string(struct hlsl_ctx *ctx, unsig
         vkd3d_string_buffer_printf(string, "extern ");
     if (modifiers & HLSL_STORAGE_NOINTERPOLATION)
         vkd3d_string_buffer_printf(string, "nointerpolation ");
+    if (modifiers & HLSL_STORAGE_CENTROID)
+        vkd3d_string_buffer_printf(string, "centroid ");
+    if (modifiers & HLSL_STORAGE_NOPERSPECTIVE)
+        vkd3d_string_buffer_printf(string, "noperspective ");
     if (modifiers & HLSL_MODIFIER_PRECISE)
         vkd3d_string_buffer_printf(string, "precise ");
     if (modifiers & HLSL_STORAGE_SHARED)
diff --git a/libs/vkd3d-shader/hlsl.h b/libs/vkd3d-shader/hlsl.h
index cdcda671..cfd78351 100644
--- a/libs/vkd3d-shader/hlsl.h
+++ b/libs/vkd3d-shader/hlsl.h
@@ -354,6 +354,8 @@ struct hlsl_attribute
 #define HLSL_STORAGE_IN              0x00000800
 #define HLSL_STORAGE_OUT             0x00001000
 #define HLSL_MODIFIER_INLINE         0x00002000
+#define HLSL_STORAGE_CENTROID        0x00004000
+#define HLSL_STORAGE_NOPERSPECTIVE   0x00008000
 
 #define HLSL_TYPE_MODIFIERS_MASK     (HLSL_MODIFIER_PRECISE | HLSL_MODIFIER_VOLATILE | \
                                       HLSL_MODIFIER_CONST | HLSL_MODIFIER_ROW_MAJOR | \
diff --git a/libs/vkd3d-shader/hlsl.l b/libs/vkd3d-shader/hlsl.l
index e9ae3ccf..90abd64a 100644
--- a/libs/vkd3d-shader/hlsl.l
+++ b/libs/vkd3d-shader/hlsl.l
@@ -74,6 +74,7 @@ BlendState              {return KW_BLENDSTATE;          }
 break                   {return KW_BREAK;               }
 Buffer                  {return KW_BUFFER;              }
 cbuffer                 {return KW_CBUFFER;             }
+centroid                {return KW_CENTROID;            }
 compile                 {return KW_COMPILE;             }
 const                   {return KW_CONST;               }
 continue                {return KW_CONTINUE;            }
@@ -95,6 +96,7 @@ inout                   {return KW_INOUT;               }
 matrix                  {return KW_MATRIX;              }
 namespace               {return KW_NAMESPACE;           }
 nointerpolation         {return KW_NOINTERPOLATION;     }
+noperspective           {return KW_NOPERSPECTIVE;       }
 out                     {return KW_OUT;                 }
 packoffset              {return KW_PACKOFFSET;          }
 pass                    {return KW_PASS;                }
diff --git a/libs/vkd3d-shader/hlsl.y b/libs/vkd3d-shader/hlsl.y
index 78691392..3feb35fb 100644
--- a/libs/vkd3d-shader/hlsl.y
+++ b/libs/vkd3d-shader/hlsl.y
@@ -4685,6 +4685,7 @@ static struct hlsl_scope *get_loop_scope(struct hlsl_scope *scope)
 %token KW_BREAK
 %token KW_BUFFER
 %token KW_CBUFFER
+%token KW_CENTROID
 %token KW_COLUMN_MAJOR
 %token KW_COMPILE
 %token KW_CONST
@@ -4707,6 +4708,7 @@ static struct hlsl_scope *get_loop_scope(struct hlsl_scope *scope)
 %token KW_MATRIX
 %token KW_NAMESPACE
 %token KW_NOINTERPOLATION
+%token KW_NOPERSPECTIVE
 %token KW_OUT
 %token KW_PACKOFFSET
 %token KW_PASS
@@ -6005,6 +6007,14 @@ var_modifiers:
         {
             $$ = add_modifiers(ctx, $2, HLSL_STORAGE_NOINTERPOLATION, &@1);
         }
+    | KW_CENTROID var_modifiers
+        {
+            $$ = add_modifiers(ctx, $2, HLSL_STORAGE_CENTROID, &@1);
+        }
+    | KW_NOPERSPECTIVE var_modifiers
+        {
+            $$ = add_modifiers(ctx, $2, HLSL_STORAGE_NOPERSPECTIVE, &@1);
+        }
     | KW_PRECISE var_modifiers
         {
             $$ = add_modifiers(ctx, $2, HLSL_MODIFIER_PRECISE, &@1);
diff --git a/tests/hlsl/nointerpolation.shader_test b/tests/hlsl/nointerpolation.shader_test
index e3152780..3193b2e6 100644
--- a/tests/hlsl/nointerpolation.shader_test
+++ b/tests/hlsl/nointerpolation.shader_test
@@ -92,7 +92,7 @@ void main(uint id : sv_vertexid, inout ps_input input, out float4 pos : sv_posit
     pos = float4(coords * float2(2, -2) + float2(-1, 1), 0, 1);
 }
 
-[pixel shader todo]
+[pixel shader]
 struct ps_input
 {
     nointerpolation float4 t : texcoord;
@@ -104,7 +104,7 @@ float4 main(centroid ps_input input) : sv_target
 }
 
 [test]
-todo draw triangle list 3
+draw triangle list 3
 todo probe all rgba (0.0, 1.0, 0.0, 1.0)
 
 [vertex shader]
@@ -146,7 +146,7 @@ void main(uint id : sv_vertexid, inout ps_input input, out float4 pos : sv_posit
     pos = float4(coords * float2(2, -2) + float2(-1, 1), 0, 1);
 }
 
-[vertex shader todo]
+[vertex shader]
 struct ps_input
 {
     nointerpolation float4 t : texcoord;