X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftexture3d.h;h=57f3a6f8589e9d1ea9c986785b477524880b0a76;hb=bdde5adcb78836c4d75196546059ae827cf3af9e;hp=75ae0fe902acb1eb8974591df86b67c9505e5fb3;hpb=d2efbd8a32efa2a3ee8542efc846277af19d63e0;p=libs%2Fgl.git

diff --git a/source/texture3d.h b/source/texture3d.h
index 75ae0fe9..57f3a6f8 100644
--- a/source/texture3d.h
+++ b/source/texture3d.h
@@ -33,6 +33,8 @@ private:
 	unsigned depth;
 	unsigned allocated;
 
+protected:
+	Texture3D(GLenum);
 public:
 	Texture3D();
 
@@ -82,8 +84,9 @@ public:
 	unsigned get_width() const { return width; }
 	unsigned get_height() const { return height; }
 	unsigned get_depth() const { return depth; }
-private:
-	void get_level_size(unsigned, unsigned &, unsigned &, unsigned &);
+protected:
+	unsigned get_n_levels() const;
+	void get_level_size(unsigned, unsigned &, unsigned &, unsigned &) const;
 
 public:
 	virtual AsyncLoader *load(IO::Seekable &, const Resources * = 0) { return 0; }