diff options
Diffstat (limited to 'source')
| -rw-r--r-- | source/slang/slang-mangle.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/source/slang/slang-mangle.cpp b/source/slang/slang-mangle.cpp index ad1a9caca..779a6f090 100644 --- a/source/slang/slang-mangle.cpp +++ b/source/slang/slang-mangle.cpp @@ -547,6 +547,33 @@ namespace Slang for(auto paramDeclRef : parameters) { + // parameter modifier makes big difference in the spirv code generation, for example + // "out"/"inout" parameter will be passed by pointer. Therefore, we need to + // distinguish them in the mangled name to avoid name collision. + ParameterDirection paramDirection = getParameterDirection(paramDeclRef.getDecl()); + switch (paramDirection) + { + case kParameterDirection_Ref: + emitRaw(context, "r_"); + break; + case kParameterDirection_ConstRef: + emitRaw(context, "c_"); + break; + case kParameterDirection_Out: + emitRaw(context, "o_"); + break; + case kParameterDirection_InOut: + emitRaw(context, "io_"); + break; + case kParameterDirection_In: + emitRaw(context, "i_"); + break; + default: + StringBuilder errMsg; + errMsg << "Unknown parameter direction: " << paramDirection; + SLANG_ABORT_COMPILATION(errMsg.toString().begin()); + break; + } emitType(context, getType(context->astBuilder, paramDeclRef)); } |