X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fmesh.cpp;h=281bb7c2c9c67a01c2507e63565779e11701bfa4;hp=572ac6195502afc97259a45857d94998c666fa4d;hb=99b3477d16295c9b90daa0a397bfc375dd3aac4d;hpb=6cfe786e84d9d9474c7bd5a78d1b5c92e3868e4e

diff --git a/source/mesh.cpp b/source/mesh.cpp
index 572ac619..281bb7c2 100644
--- a/source/mesh.cpp
+++ b/source/mesh.cpp
@@ -9,20 +9,23 @@ namespace GL {
 
 Mesh::Mesh():
 	vertices(VERTEX3),
+	vbuf(0),
 	ibuf(0),
-	defer_ibuf(true),
+	defer_buffers(true),
 	winding(0)
 { }
 
 Mesh::Mesh(const VertexFormat &f):
 	vertices(f),
+	vbuf(0),
 	ibuf(0),
-	defer_ibuf(true),
+	defer_buffers(true),
 	winding(0)
 { }
 
 Mesh::~Mesh()
 {
+	delete vbuf;
 	delete ibuf;
 }
 
@@ -34,22 +37,31 @@ void Mesh::clear()
 
 void Mesh::use_buffers(bool b)
 {
+	defer_buffers = false;
 	if(b)
-	{
-		vertices.use_vertex_buffer();
-		if(!ibuf)
-			ibuf = new Buffer(ELEMENT_ARRAY_BUFFER);
-		defer_ibuf = false;
-	}
+		create_buffers();
 	else
 	{
 		vertices.use_vertex_buffer(0);
+		delete vbuf;
+		vbuf = 0;
 		delete ibuf;
 		ibuf = 0;
-		defer_ibuf = false;
 	}
 }
 
+void Mesh::create_buffers()
+{
+	defer_buffers = false;
+
+	if(!vbuf)
+		vbuf = new Buffer(ARRAY_BUFFER);
+	vertices.use_vertex_buffer(vbuf);
+
+	if(!ibuf)
+		ibuf = new Buffer(ELEMENT_ARRAY_BUFFER);
+}
+
 unsigned Mesh::get_n_vertices() const
 {
 	return vertices.size();
@@ -62,11 +74,8 @@ float *Mesh::modify_vertex(unsigned i)
 
 void Mesh::add_batch(const Batch &b)
 {
-	if(defer_ibuf)
-	{
-		ibuf = new Buffer(ELEMENT_ARRAY_BUFFER);
-		defer_ibuf = false;
-	}
+	if(defer_buffers)
+		create_buffers();
 
 	if(!batches.empty() && batches.back().can_append(b.get_type()))
 		batches.back().append(b);