Add Mesh::use_vertex_buffer

[libs/gl.git] / source / vertexarray.cpp

diff --git a/source/vertexarray.cpp b/source/vertexarray.cpp
index 38d490c05e8758511da2d0a92a2fc7ef5ca0e29d..0d4fd919cffa8daa210c416414024357a07d9d59 100644 (file)
--- a/source/vertexarray.cpp
+++ b/source/vertexarray.cpp
@@ -33,18 +33,22 @@ VertexArray::~VertexArray()
 
 void VertexArray::use_vertex_buffer()
 {
-       if(vbuf) return;
+       if(vbuf && own_vbuf)
+               return;
 
        vbuf=new VertexBuffer();
        own_vbuf=true;
+
        update_data();
 }
 
 void VertexArray::use_vertex_buffer(VertexBuffer *b)
 {
-       if(vbuf) return;
-
+       if(own_vbuf)
+               delete vbuf;
        vbuf=b;
+       own_vbuf=false;
+
        update_data();
 }
 
@@ -69,7 +73,7 @@ void VertexArray::reset(VertexFormat f)
 
 RefPtr<VertexArrayBuilder> VertexArray::modify()
 {
-       return new VertexArrayBuilder(*this, data);
+       return new VertexArrayBuilder(*this);
 }
 
 void VertexArray::apply() const
@@ -144,7 +148,7 @@ unsigned VertexArray::enabled_arrays=0;
 
 
 VertexArray::Loader::Loader(VertexArray &a):
-       VertexArrayBuilder(a, a.data)
+       VertexArrayBuilder(a)
 {
        add("vertex2",   static_cast<void (Loader::*)(float, float)>(&Loader::vertex));
        add("vertex3",   static_cast<void (Loader::*)(float, float, float)>(&Loader::vertex));