X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fvertexarray.cpp;h=c166e98718338c55bcfb175dde856d7c44e41c74;hb=16f6f15328b3a6eec87b1b5e5822368966d44a38;hp=c0ca8dca80f22b96f1efdfe8f9de6ccd9dc04ffd;hpb=e92458a4a0e6191bff549a8b316dbbbd7c56e90f;p=libs%2Fgl.git

diff --git a/source/vertexarray.cpp b/source/vertexarray.cpp
index c0ca8dca..c166e987 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();
 }
 
@@ -67,11 +71,6 @@ void VertexArray::reset(VertexFormat f)
 	stride=get_stride(format);
 }
 
-RefPtr<VertexArrayBuilder> VertexArray::modify()
-{
-	return new VertexArrayBuilder(*this);
-}
-
 void VertexArray::apply() const
 {
 	if(format==NODATA)
@@ -114,7 +113,8 @@ void VertexArray::apply() const
 	set_array(GL_TEXTURE_COORD_ARRAY, found&4, 4);
 	set_array(GL_COLOR_ARRAY, found&8, 8);
 
-	VertexBuffer::unbind();
+	if(vbuf)
+		VertexBuffer::unbind();
 }
 
 /**
@@ -123,7 +123,16 @@ Updates the VertexArray data to the VertexBuffer tied to the array, if any.
 void VertexArray::update_data()
 {
 	if(vbuf)
+	{
 		vbuf->data(data.size()*sizeof(float), &data[0]);
+		VertexBuffer::unbind();
+	}
+}
+
+float *VertexArray::append()
+{
+	data.insert(data.end(), stride, 0.0f);
+	return &*data.end()-stride;
 }
 
 void VertexArray::set_array(unsigned array, unsigned bit, unsigned mask) const