Avoid incorrect access to VertexSetup while async loading Mesh

[libs/gl.git] / source / core / mesh.cpp

diff --git a/source/core/mesh.cpp b/source/core/mesh.cpp
index 4679e3a3f43271fe91d9119e615ac30136d3b9a2..467f35448382e4d02744cbc3a6ccf36fef657984 100644 (file)
--- a/source/core/mesh.cpp
+++ b/source/core/mesh.cpp
@@ -9,8 +9,7 @@ using namespace std;
 namespace Msp {
 namespace GL {
 
-Mesh::Mesh(const VertexFormat &f):
-       Mesh()
+Mesh::Mesh(const VertexFormat &f)
 {
        storage(f);
 }
@@ -30,6 +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()
@@ -48,7 +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
@@ -80,12 +82,12 @@ void Mesh::check_buffers(unsigned mask)
        }
 }
 
-unsigned Mesh::get_n_vertices() const
+size_t Mesh::get_n_vertices() const
 {
        return vertices.size();
 }
 
-char *Mesh::modify_vertex(unsigned i)
+char *Mesh::modify_vertex(size_t i)
 {
        if(vertices.get_format().empty())
                throw invalid_operation("Mesh::modify_vertex");
@@ -286,10 +288,7 @@ void Mesh::Loader::batch(PrimitiveType p)
 
 Mesh::AsyncLoader::AsyncLoader(Mesh &m, IO::Seekable &i):
        mesh(m),
-       io(i),
-       vertex_updater(0),
-       index_updater(0),
-       phase(0)
+       io(i)
 {
        mesh.disallow_rendering = true;
        mesh.check_buffers(VERTEX_BUFFER|INDEX_BUFFER);