[GPU] Set VGT_DRAW_INITIATOR and use major mode from it

src/xenia/gpu/null/null_command_processor.cc

@@ -44,7 +44,8 @@ Shader* NullCommandProcessor::LoadShader(ShaderType shader_type,
 
 bool NullCommandProcessor::IssueDraw(PrimitiveType prim_type,
                                      uint32_t index_count,
-                                     IndexBufferInfo* index_buffer_info) {
+                                     IndexBufferInfo* index_buffer_info,
+                                     bool major_mode_explicit) {
   return true;
 }
 

src/xenia/gpu/null/null_command_processor.h

@@ -41,7 +41,8 @@ class NullCommandProcessor : public CommandProcessor {
                      uint32_t dword_count) override;
 
   bool IssueDraw(PrimitiveType prim_type, uint32_t index_count,
-                 IndexBufferInfo* index_buffer_info) override;
+                 IndexBufferInfo* index_buffer_info,
+                 bool major_mode_explicit) override;
   bool IssueCopy() override;
 
   void InitializeTrace() override;