-#define BATCHNEED_ARRAY_VERTEX (1<< 7) // set up rsurface.batchvertex3f and optionally others
-#define BATCHNEED_ARRAY_NORMAL (1<< 8) // set up normals in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchnormal3f if BATCHNEED_ARRAYS
-#define BATCHNEED_ARRAY_VECTOR (1<< 9) // set up vectors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchsvector3f and rsurface.batchtvector3f if BATCHNEED_ARRAYS
-#define BATCHNEED_ARRAY_VERTEXCOLOR (1<<10) // set up vertex colors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchlightmapcolor4f if BATCHNEED_ARRAYS
-#define BATCHNEED_ARRAY_TEXCOORD (1<<11) // set up vertex colors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchlightmapcolor4f if BATCHNEED_ARRAYS
-#define BATCHNEED_ARRAY_LIGHTMAP (1<<12) // set up vertex colors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchlightmapcolor4f if BATCHNEED_ARRAYS
-#define BATCHNEED_NOGAPS (1<<13) // force vertex copying (no gaps)
+#define BATCHNEED_VERTEXMESH_SKELETAL (1<< 7) // set up skeletal index and weight data for vertex shader
+#define BATCHNEED_ARRAY_VERTEX (1<< 8) // set up rsurface.batchvertex3f and optionally others
+#define BATCHNEED_ARRAY_NORMAL (1<< 9) // set up normals in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchnormal3f if BATCHNEED_ARRAYS
+#define BATCHNEED_ARRAY_VECTOR (1<<10) // set up vectors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchsvector3f and rsurface.batchtvector3f if BATCHNEED_ARRAYS
+#define BATCHNEED_ARRAY_VERTEXCOLOR (1<<11) // set up vertex colors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchlightmapcolor4f if BATCHNEED_ARRAYS
+#define BATCHNEED_ARRAY_TEXCOORD (1<<12) // set up vertex colors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchlightmapcolor4f if BATCHNEED_ARRAYS
+#define BATCHNEED_ARRAY_LIGHTMAP (1<<13) // set up vertex colors in rsurface.batchvertexmesh if BATCHNEED_MESH, set up rsurface.batchlightmapcolor4f if BATCHNEED_ARRAYS
+#define BATCHNEED_ARRAY_SKELETAL (1<<14) // set up skeletal index and weight data for vertex shader
+#define BATCHNEED_NOGAPS (1<<15) // force vertex copying if firstvertex is not zero or there are gaps
+#define BATCHNEED_ALLOWMULTIDRAW (1<<16) // allow multiple draws