Add some utility functions for textures

[libs/gl.git] / source / texture2d.h

diff --git a/source/texture2d.h b/source/texture2d.h
index 221fbd7b76a28aee38d95382a2b797e34fd5d24c..9647ad3ed55c688a86c156dd11e3daacba687b9d 100644 (file)
--- a/source/texture2d.h
+++ b/source/texture2d.h
@@ -75,7 +75,8 @@ public:
        unsigned get_height() const { return height; }
 
 private:
-       void get_level_size(unsigned, unsigned &, unsigned &);
+       unsigned get_n_levels() const;
+       void get_level_size(unsigned, unsigned &, unsigned &) const;
 
 public:
        virtual Resource::AsyncLoader *load(IO::Seekable &, const Resources * = 0);