X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fvertexformat.h;h=fb47484b35940b7e873b6d2586d333df0edda802;hb=ba5c731b8aa6430bb10e38848d42d8bfb59694a6;hp=edea62d80262910893cd0355bd188853359f0e2d;hpb=7b956c7f992e37dddd279df0382c2fb94864cb73;p=libs%2Fgl.git

diff --git a/source/vertexformat.h b/source/vertexformat.h
index edea62d8..fb47484b 100644
--- a/source/vertexformat.h
+++ b/source/vertexformat.h
@@ -25,16 +25,21 @@ enum VertexComponent
 	ATTRIB4
 };
 
-struct VertexFormat
+class VertexFormat
 {
+private:
 	unsigned char *data;
 
+public:
 	VertexFormat();
 	VertexFormat(VertexComponent);
 	VertexFormat(const VertexFormat &);
 	VertexFormat &operator=(const VertexFormat &);
 	~VertexFormat();
 
+	VertexFormat operator,(VertexComponent c) const;
+	VertexFormat operator,(unsigned i) const;
+
 	bool empty() const { return !data || !data[0]; }
 	const unsigned char *begin() const { return data ? data+1 : 0; }
 	const unsigned char *end() const { return data ? data+1+data[0] : 0; }
@@ -42,14 +47,18 @@ struct VertexFormat
 	int offset(VertexComponent, unsigned = 0) const;
 };
 
-VertexFormat operator,(const VertexFormat &f, VertexComponent c);
 inline VertexFormat operator,(VertexComponent c1, VertexComponent c2)
 { return (VertexFormat(c1), c2); }
 
-VertexFormat operator,(const VertexFormat &f, unsigned i);
 inline VertexFormat operator,(VertexComponent c, unsigned i)
 { return (VertexFormat(c), i); }
 
+inline unsigned get_component_type(unsigned char c)
+{ return c>>2; }
+
+inline unsigned get_component_size(unsigned char c)
+{ return (c&3)+1; }
+
 inline unsigned get_stride(const VertexFormat &f)
 { return f.stride(); }