Add P_LoadNodes and refactor P_SetupLevel vertices to call via pointers. Add the stub for R_RenderPLayerView and transfering misc values (player and player->mobj). Start adding P_LoadThings, just aiming to get player mobj created during level load

src/ipu/r_codelets.cpp

@@ -0,0 +1,33 @@
+#include <Vertex.hpp>
+
+#include <print.h>
+
+// #include "doomdata.h"
+
+#include "ipu_transfer.h"
+
+
+extern "C" {
+    // void P_SetupLevel_pt0(const unsigned char *buf);
+};
+
+
+// --------------- P_Setup ----------------- //
+
+struct R_RenderPlayerView_Vertex : public poplar::Vertex {
+  poplar::Input<poplar::Vector<unsigned char>> miscValues;
+  poplar::InOut<poplar::Vector<unsigned char>> frame;
+
+  void compute() {
+    // printf("Running R_RenderPlayerView_Vertex\n");
+    // AM_Drawer(&frame[0]);
+    for (int i = 0; i < 100; ++i){
+      frame[i + 320 * i    ] = 1;
+      frame[i + 320 * i + 1] = 1;
+    }
+    IPU_R_RenderPlayerView_UnpackMiscValues(
+      (R_RenderPlayerView_MiscValues_t*) &miscValues[0]
+    );
+    return ;
+  }
+};