Avoid incorrect access to VertexSetup while async loading Mesh

diff --git a/source/core/mesh.cpp b/source/core/mesh.cpp
index 07e5e27f928f41911e3ca376850e3fd4ed081c62..467f35448382e4d02744cbc3a6ccf36fef657984 100644 (file)
--- a/source/core/mesh.cpp
+++ b/source/core/mesh.cpp
@@ -29,6 +29,8 @@ void Mesh::storage(const VertexFormat &fmt)
 
        vertices.set_format(fmt);
        vtx_setup.set_format(fmt);
+       if(vbuf)
+               vtx_setup.set_vertex_array(vertices);
 }
 
 void Mesh::clear()
@@ -47,7 +49,8 @@ void Mesh::check_buffers(unsigned mask)
                        delete vbuf;
                        vbuf = new Buffer;
                        vertices.use_buffer(vbuf);
-                       vtx_setup.set_vertex_array(vertices);
+                       if(!vertices.get_format().empty())
+                               vtx_setup.set_vertex_array(vertices);
                        dirty |= VERTEX_BUFFER;
 
 #ifdef DEBUG