Helper functions for extracting vertex component type and size

[libs/gl.git] / source / vertexformat.h

diff --git a/source/vertexformat.h b/source/vertexformat.h
index edea62d80262910893cd0355bd188853359f0e2d..35b5de3d15d9910da9ffda9bb15d521c112d1f91 100644 (file)
--- a/source/vertexformat.h
+++ b/source/vertexformat.h
@@ -50,6 +50,12 @@ 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(); }