X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbackends%2Fopengl%2Ftexture2d_backend.h;h=5de1079537daf16dd08248ca1d3712844223913d;hb=c218e021ede4e91c0fbc22ea9d636283409f847f;hp=595c51f51ea38e76233f1617f37ea4398095a190;hpb=ef650a483b4201a1e9727f9a86e59894344d30e8;p=libs%2Fgl.git

diff --git a/source/backends/opengl/texture2d_backend.h b/source/backends/opengl/texture2d_backend.h
index 595c51f5..5de10795 100644
--- a/source/backends/opengl/texture2d_backend.h
+++ b/source/backends/opengl/texture2d_backend.h
@@ -11,6 +11,20 @@ class Buffer;
 class OpenGLTexture2D: public Texture
 {
 protected:
+	class AsyncTransfer: public NonCopyable
+	{
+	protected:
+		Buffer *pixel_buffer = 0;
+
+		AsyncTransfer() = default;
+		AsyncTransfer(AsyncTransfer &&);
+		AsyncTransfer &operator=(AsyncTransfer &&);
+		~AsyncTransfer();
+
+		void *allocate();
+		void finalize();
+	};
+
 	class AsyncLoader;
 
 	OpenGLTexture2D();
@@ -19,8 +33,10 @@ protected:
 	void sub_image(unsigned, int, int, unsigned, unsigned, const void *);
 	void sub_image(unsigned, int, int, unsigned, unsigned, const Buffer &, unsigned);
 
-	Resource::AsyncLoader *create_async_loader(IO::Seekable &);
-	void unload();
+public:
+	virtual Resource::AsyncLoader *load(IO::Seekable &, const Resources * = 0);
+	virtual std::size_t get_data_size() const;
+	virtual void unload();
 };
 
 using Texture2DBackend = OpenGLTexture2D;