Add skeleton for metal backend. (#3971)

1 files changed, 3 insertions, 0 deletions

diff --git a/slang.h b/slang.h
index 77e9d3bd9..7ee7c2697 100644
--- a/slang.h
+++ b/slang.h
@@ -609,6 +609,7 @@ extern "C"
         SLANG_HOST_CPP_SOURCE,          ///< C++ code for host library or executable.
         SLANG_HOST_HOST_CALLABLE,       ///< Host callable host code (ie non kernel/shader) 
         SLANG_CPP_PYTORCH_BINDING,      ///< C++ PyTorch binding code.
+        SLANG_METAL,                    ///< Metal shading language
         SLANG_TARGET_COUNT_OF,
     };
 
@@ -641,6 +642,7 @@ extern "C"
         SLANG_PASS_THROUGH_NVRTC,                   ///< NVRTC Cuda compiler
         SLANG_PASS_THROUGH_LLVM,                    ///< LLVM 'compiler' - includes LLVM and Clang
         SLANG_PASS_THROUGH_SPIRV_OPT,               ///< SPIRV-opt
+        SLANG_PASS_THROUGH_METAL,                   ///< Metal compiler
         SLANG_PASS_THROUGH_COUNT_OF,
     };
 
@@ -743,6 +745,7 @@ extern "C"
         SLANG_SOURCE_LANGUAGE_CPP,
         SLANG_SOURCE_LANGUAGE_CUDA,
         SLANG_SOURCE_LANGUAGE_SPIRV,
+        SLANG_SOURCE_LANGUAGE_METAL,
         SLANG_SOURCE_LANGUAGE_COUNT_OF,
     };