Support for querying which parameters are used in emitted code (#2239)

See https://github.com/shader-slang/slang/issues/2213 

1 files changed, 15 insertions, 0 deletions

diff --git a/source/slang/slang.cpp b/source/slang/slang.cpp
index 7ce3594e5..7b22d04de 100644
--- a/source/slang/slang.cpp
+++ b/source/slang/slang.cpp
@@ -4147,6 +4147,11 @@ void EndToEndCompileRequest::setCompileFlags(SlangCompileFlags flags)
     getFrontEndReq()->compileFlags = flags;
 }
 
+SlangCompileFlags EndToEndCompileRequest::getCompileFlags()
+{
+    return getFrontEndReq()->compileFlags;
+}
+
 void EndToEndCompileRequest::setDumpIntermediates(int enable)
 {
     shouldDumpIntermediates = (enable != 0);
@@ -4909,4 +4914,14 @@ SlangResult EndToEndCompileRequest::getEntryPoint(SlangInt entryPointIndex, slan
     return SLANG_OK;
 }
 
+SlangResult EndToEndCompileRequest::isParameterLocationUsed(Int entryPointIndex, Int targetIndex, SlangParameterCategory category, UInt spaceIndex, UInt registerIndex, bool& outUsed)
+{
+    CompileResult* compileResult = nullptr;
+    if (_getEntryPointResult(this, static_cast<int>(entryPointIndex), static_cast<int>(targetIndex), &compileResult) != SLANG_OK)
+        return SLANG_E_INVALID_ARG;
+
+    return compileResult->isParameterLocationUsed(category, spaceIndex, registerIndex, outUsed);
+}
+
+
 } // namespace Slang