Remove the deprecated ProgramBuilder class

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

diff --git a/source/vertexformat.h b/source/vertexformat.h
index 7edca1f3dcf74782d8fd5a94c7bfb25cd079c72d..3561292245fc640deb2859629cbf8f39c1776e5b 100644 (file)
--- a/source/vertexformat.h
+++ b/source/vertexformat.h
@@ -6,9 +6,9 @@
 namespace Msp {
 namespace GL {
 
-/** A single vertex component.  Nvidia drivers have aliasing between the
-fixed-functions and generic vertex attributes, despite the standard not
-allowing it.  We use the same attribute indices here to avoid problems. */
+/** A single vertex component.  Symbolic names are provided for commonly used
+attributes.  These are aliased with with generic attributes, so be careful when
+picking your attribute indices. */
 enum VertexComponent
 {
        VERTEX2 = 1,
@@ -44,6 +44,8 @@ public:
 
        VertexFormat operator,(VertexComponent c) const;
        VertexFormat operator,(unsigned i) const;
+       bool operator==(const VertexFormat &) const;
+       bool operator!=(const VertexFormat &other) const { return !(*this==other); }
 
        bool empty() const { return !count; }
        const unsigned char *begin() const { return components; }