- Start work on drawlist

- Fix issue in texloader
- add ivec2 to tecloader / screen
- add draw func for iron
- add bufCfg in 3 variants to c3d
- add poc for c3d_permutation

poc/c3d_permutation/README.md

@@ -0,0 +1,10 @@
+# Citro3D Shader Buf info Permutation calculation
+
+```cpp
+// Why do 
+BufInfo_Add(buf, data, sizeof(data[0]), 3, 0x210);
+BufInfo_Add(buf, data, sizeof(data[0]), 4, 0x3210);
+// if we can do 
+BufInfo_Add(buf, data, sizeof(data[0]), 3, permutation(3));
+BufInfo_Add(buf, data, sizeof(data[0]), 3, permutation(4));
+```