Enable DXIL Debugging by updating DXIL GetDebugStatus()

Only support "dx.op.*" and "llvm.dbg.*" external functions
Zorro666 · May 14, 2024 · 4be5b02 · 4be5b02
1 parent 9238d2c
commit 4be5b02
Showing 1 changed file with 110 additions and 1 deletion.
diff --git a/renderdoc/driver/shaders/dxil/dxil_reflect.cpp b/renderdoc/driver/shaders/dxil/dxil_reflect.cpp
@@ -1688,7 +1688,116 @@ DXBC::Reflection *Program::GetReflection()
 
 rdcstr Program::GetDebugStatus()
 {
-  return "Debugging DXIL is not supported";
+  for(size_t i = 0; i < m_Functions.size(); i++)
+  {
+    const Function &f = *m_Functions[i];
+    // Only support "dx.op" external functions
+    if(f.external)
+    {
+      if(!f.name.beginsWith("dx.op.") && !f.name.beginsWith("llvm.dbg."))
+        return StringFormat::Fmt("Unsupported external function '%s'", f.name.c_str());
+    }
+
+    for(const Instruction *inst : f.instructions)
+    {
+      switch(inst->op)
+      {
+        case Operation::NoOp: break;
+        case Operation::Call: break;
+        case Operation::Trunc: break;
+        case Operation::ZExt: break;
+        case Operation::SExt: break;
+        case Operation::FToU: break;
+        case Operation::FToS: break;
+        case Operation::UToF: break;
+        case Operation::SToF: break;
+        case Operation::FPTrunc: break;
+        case Operation::FPExt: break;
+        case Operation::PtrToI: break;
+        case Operation::IToPtr: break;
+        case Operation::Bitcast: break;
+        case Operation::AddrSpaceCast: break;
+        case Operation::ExtractVal: break;
+        case Operation::Ret: break;
+        case Operation::FAdd: break;
+        case Operation::FSub: break;
+        case Operation::FMul: break;
+        case Operation::FDiv: break;
+        case Operation::FRem: break;
+        case Operation::Add: break;
+        case Operation::Sub: break;
+        case Operation::Mul: break;
+        case Operation::UDiv: break;
+        case Operation::SDiv: break;
+        case Operation::URem: break;
+        case Operation::SRem: break;
+        case Operation::ShiftLeft: break;
+        case Operation::LogicalShiftRight: break;
+        case Operation::ArithShiftRight: break;
+        case Operation::And: break;
+        case Operation::Or: break;
+        case Operation::Xor: break;
+        case Operation::Unreachable: break;
+        case Operation::Alloca: break;
+        case Operation::GetElementPtr: break;
+        case Operation::Load: break;
+        case Operation::Store: break;
+        case Operation::FOrdFalse: break;
+        case Operation::FOrdEqual: break;
+        case Operation::FOrdGreater: break;
+        case Operation::FOrdGreaterEqual: break;
+        case Operation::FOrdLess: break;
+        case Operation::FOrdLessEqual: break;
+        case Operation::FOrdNotEqual: break;
+        case Operation::FOrd: break;
+        case Operation::FUnord: break;
+        case Operation::FUnordEqual: break;
+        case Operation::FUnordGreater: break;
+        case Operation::FUnordGreaterEqual: break;
+        case Operation::FUnordLess: break;
+        case Operation::FUnordLessEqual: break;
+        case Operation::FUnordNotEqual: break;
+        case Operation::FOrdTrue: break;
+        case Operation::IEqual: break;
+        case Operation::INotEqual: break;
+        case Operation::UGreater: break;
+        case Operation::UGreaterEqual: break;
+        case Operation::ULess: break;
+        case Operation::ULessEqual: break;
+        case Operation::SGreater: break;
+        case Operation::SGreaterEqual: break;
+        case Operation::SLess: break;
+        case Operation::SLessEqual: break;
+        case Operation::Select: break;
+        case Operation::ExtractElement: break;
+        case Operation::InsertElement: break;
+        case Operation::ShuffleVector: break;
+        case Operation::InsertValue: break;
+        case Operation::Branch: break;
+        case Operation::Phi: break;
+        case Operation::Switch: break;
+        case Operation::Fence: break;
+        case Operation::CompareExchange: break;
+        case Operation::LoadAtomic: break;
+        case Operation::StoreAtomic: break;
+        case Operation::AtomicExchange: break;
+        case Operation::AtomicAdd: break;
+        case Operation::AtomicSub: break;
+        case Operation::AtomicAnd: break;
+        case Operation::AtomicNand: break;
+        case Operation::AtomicOr: break;
+        case Operation::AtomicXor: break;
+        case Operation::AtomicMax: break;
+        case Operation::AtomicMin: break;
+        case Operation::AtomicUMax: break;
+        case Operation::AtomicUMin: break;
+        default: return StringFormat::Fmt("Unsupported instruction '%s'", ToStr(inst->op).c_str());
+      }
+    }
+  }
+
+  // no unsupported instructions used
+  return rdcstr();
 }
 
 void Program::GetLineInfo(size_t instruction, uintptr_t offset, LineColumnInfo &lineInfo) const