DXIL Debugger find the entry point in GetLineInfo

Get entry point from meta data if the entry point is empty

renderdoc/driver/shaders/dxbc/dxbc_reflect.cpp

@@ -329,6 +329,12 @@ void MakeShaderReflection(DXBC::DXBCContainer *dxbc, const ShaderEntryPoint &ent
 
     refl->debugInfo.files = dxbc->GetDebugInfo()->Files;
 
+    // For DXIL ensure the entry point meta data has been parsed
+    if(dxbc->GetDXILByteCode())
+    {
+      dxbc->GetDXILByteCode()->FetchEntryPoint();
+    }
+
     dxbc->GetDebugInfo()->GetLineInfo(~0U, ~0U, refl->debugInfo.entryLocation);
 
     rdcstr entryFunc = entry.name;

renderdoc/driver/shaders/dxil/dxil_bytecode.h

@@ -1559,6 +1559,7 @@ public:
 
   const bytebuf &GetBytes() const { return m_Bytes; }
   void FetchComputeProperties(DXBC::Reflection *reflection);
+  void FetchEntryPoint();
   DXBC::Reflection *BuildReflection();
   rdcstr GetDebugStatus();
   rdcarray<ShaderEntryPoint> GetEntryPoints();

renderdoc/driver/shaders/dxil/dxil_reflect.cpp

@@ -1461,6 +1461,24 @@ rdcarray<ShaderEntryPoint> Program::GetEntryPoints()
   return ret;
 }
 
+void Program::FetchEntryPoint()
+{
+  if(m_EntryPoint.empty())
+  {
+    DXMeta dx(m_NamedMeta);
+    if(dx.entryPoints && dx.entryPoints->children.size() > 0 &&
+       dx.entryPoints->children[0]->children.size() > 2)
+    {
+      m_EntryPoint = dx.entryPoints->children[0]->children[1]->str;
+    }
+    else
+    {
+      RDCERR("Didn't find dx.entryPoints");
+      m_EntryPoint = "main";
+    }
+  }
+}
+
 DXBC::Reflection *Program::BuildReflection()
 {
   const bool dxcStyleFormatting = m_DXCStyle;