(WIP) SPIR-V Shader Translator

src/xenia/gpu/shader_translator.h

@@ -78,6 +78,9 @@ class ShaderTranslator {
     shader->host_disassembly_ = std::move(value);
   }
 
+  // Pre-process a control-flow instruction before anything else.
+  virtual void PreProcessControlFlowInstruction(uint32_t cf_index) {}
+
   // Handles translation for control flow label addresses.
   // This is triggered once for each label required (due to control flow
   // operations) before any of the instructions within the target exec.