Add skeleton for metal backend. (#3971)

1 files changed, 2 insertions, 0 deletions

diff --git a/source/slang/slang-compiler.h b/source/slang/slang-compiler.h
index 014b678f5..7f7903f8b 100755
--- a/source/slang/slang-compiler.h
+++ b/source/slang/slang-compiler.h
@@ -92,6 +92,7 @@ namespace Slang
         CUDAObjectCode      = SLANG_CUDA_OBJECT_CODE,
         ObjectCode          = SLANG_OBJECT_CODE,
         HostHostCallable    = SLANG_HOST_HOST_CALLABLE,
+        Metal               = SLANG_METAL,
         CountOf             = SLANG_TARGET_COUNT_OF,
     };
 
@@ -1236,6 +1237,7 @@ namespace Slang
         NVRTC = SLANG_PASS_THROUGH_NVRTC,                   ///< NVRTC CUDA compiler
         LLVM = SLANG_PASS_THROUGH_LLVM,                     ///< LLVM 'compiler'
         SpirvOpt = SLANG_PASS_THROUGH_SPIRV_OPT,            ///< pass thorugh spirv to spirv-opt
+        MetalC = SLANG_PASS_THROUGH_METAL,
         CountOf = SLANG_PASS_THROUGH_COUNT_OF,              
     };
     void printDiagnosticArg(StringBuilder& sb, PassThroughMode val);