X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fbackends%2Fopengl%2Ftexture3d_backend.h;h=9e79f2496617b3c62f4193a10431e1572996228e;hp=33dcee08257d0737bd9e8dc8d04aadbed5a873a0;hb=f73e671dcb36c097647cddbf5b1eaaad2ffc9299;hpb=9e63512930bc7dace6dc169c65161961e5dcfcf6

diff --git a/source/backends/opengl/texture3d_backend.h b/source/backends/opengl/texture3d_backend.h
index 33dcee08..9e79f249 100644
--- a/source/backends/opengl/texture3d_backend.h
+++ b/source/backends/opengl/texture3d_backend.h
@@ -16,6 +16,11 @@ protected:
 	void sub_image(unsigned, int, int, int, unsigned, unsigned, unsigned, const void *);
 
 	bool is_array() const;
+
+public:
+	virtual AsyncLoader *load(IO::Seekable &, const Resources * = 0) { return 0; }
+	virtual std::size_t get_data_size() const;
+	virtual void unload() { }
 };
 
 using Texture3DBackend = OpenGLTexture3D;