1 files changed, 4 insertions, 0 deletions
diff --git a/slang.h b/slang.h
index 337ce9bef..a758df2be 100644
--- a/slang.h
+++ b/slang.h
@@ -2281,6 +2281,9 @@ extern "C"
         // Metal [[attribute]] inputs.
         SLANG_PARAMETER_CATEGORY_METAL_ATTRIBUTE,
 
+        // Metal [[payload]] inputs
+        SLANG_PARAMETER_CATEGORY_METAL_PAYLOAD,
+
         //
         SLANG_PARAMETER_CATEGORY_COUNT,
 
@@ -2855,6 +2858,7 @@ namespace slang
         MetalTexture = SLANG_PARAMETER_CATEGORY_METAL_TEXTURE,
         MetalArgumentBufferElement = SLANG_PARAMETER_CATEGORY_METAL_ARGUMENT_BUFFER_ELEMENT,
         MetalAttribute = SLANG_PARAMETER_CATEGORY_METAL_ATTRIBUTE,
+        MetalPayload = SLANG_PARAMETER_CATEGORY_METAL_PAYLOAD,
 
         // DEPRECATED:
         VertexInput = SLANG_PARAMETER_CATEGORY_VERTEX_INPUT,