From 99b656a7c44859a038156b82365122a5e336b1e8 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Mon, 19 May 2008 14:42:17 +0000
Subject: [PATCH] Add Mesh::use_vertex_buffer Change
 VertexArray::use_vertex_buffer semantics to allow disabling vertex buffer
 Initialize ObjectPass:use_textures in constructor

---
 source/mesh.cpp        | 12 ++++++++----
 source/mesh.h          |  2 ++
 source/objectpass.cpp  |  3 ++-
 source/vertexarray.cpp | 10 +++++++---
 4 files changed, 19 insertions(+), 8 deletions(-)

diff --git a/source/mesh.cpp b/source/mesh.cpp
index cba1bf57..44005514 100644
--- a/source/mesh.cpp
+++ b/source/mesh.cpp
@@ -14,14 +14,18 @@ namespace GL {
 
 Mesh::Mesh():
 	vertices(NODATA)
-{
-	vertices.use_vertex_buffer();
-}
+{ }
 
 Mesh::Mesh(VertexFormat f):
 	vertices(f)
+{ }
+
+void Mesh::use_vertex_buffer(bool b)
 {
-	vertices.use_vertex_buffer();
+	if(b)
+		vertices.use_vertex_buffer();
+	else
+		vertices.use_vertex_buffer(0);
 }
 
 RefPtr<MeshBuilder> Mesh::modify()
diff --git a/source/mesh.h b/source/mesh.h
index 2a5ce474..8e1f906c 100644
--- a/source/mesh.h
+++ b/source/mesh.h
@@ -39,6 +39,8 @@ private:
 public:
 	Mesh();
 	Mesh(VertexFormat f);
+
+	void use_vertex_buffer(bool);
 	RefPtr<MeshBuilder> modify();
 	const VertexArray &get_vertices() const { return vertices; }
 	void add_batch(const Batch &b);
diff --git a/source/objectpass.cpp b/source/objectpass.cpp
index 92864b45..afb9f45d 100644
--- a/source/objectpass.cpp
+++ b/source/objectpass.cpp
@@ -16,7 +16,8 @@ namespace GL {
 
 ObjectPass::ObjectPass():
 	shprog(0),
-	shdata(0)
+	shdata(0),
+	use_textures(true)
 { }
 
 ObjectPass::~ObjectPass()
diff --git a/source/vertexarray.cpp b/source/vertexarray.cpp
index c0ca8dca..0d4fd919 100644
--- 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();
 }
 
-- 
2.43.0