X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftexture2d.h;h=b62466cb0a75bc524cf11a484567bfe17eb02625;hb=a80b074c70ec991f27114efd13686038cf42c493;hp=86c2a89bccb700b87e0424aa7599a17fdc7d7337;hpb=7adcad3b40a03000a82e32db4523761c218309b8;p=libs%2Fgl.git

diff --git a/source/texture2d.h b/source/texture2d.h
index 86c2a89b..b62466cb 100644
--- a/source/texture2d.h
+++ b/source/texture2d.h
@@ -1,20 +1,76 @@
+/* $Id$
+
+This file is part of libmspgl
+Copyright © 2007  Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+
 #ifndef MSP_GL_TEXTURE2D_H_
 #define MSP_GL_TEXTURE2D_H_
 
 #include <string>
+#include <msp/datafile/loader.h>
+#include "pixelformat.h"
 #include "texture.h"
 
 namespace Msp {
 namespace GL {
 
+class Image;
+
+/**
+Two-dimensional texture class.  This is the most common type of texture.
+*/
 class Texture2D: public Texture
 {
+public:
+	class Loader: public Texture::Loader
+	{
+	public:
+		Loader(Texture2D &);
+	private:
+		void image_data(const std::string &);
+	};
+
+private:
+	PixelFormat ifmt;
+	sizei width;
+	sizei height;
+	int border;
+
 public:
 	Texture2D();
-	void image(int, int, sizei, sizei, int, GLenum, GLenum, void *);
-	void image(int, sizei, sizei, TextureFormat, void *);
-	void image(const std::string &);
+
+	/**
+	Defines the texture storage.  This function may only be successfully called
+	once.
+	*/
+	void storage(PixelFormat fmt, sizei wd, sizei ht, int brd);
+	
+	/**
+	Uploads an image to the texture.  storage() must have been called prior to
+	this, and the image must have dimensions conforming to the specified
+	storage.
+	*/
+	void image(int level, PixelFormat fmt, GLenum type, const void *data);
+
+	/**
+	Uploads a sub-image into the texture.  Unlike full image upload, there are
+	no constraints on the size of the sub-image.
+	*/
+	void sub_image(int level, int x, int y, sizei wd, sizei ht, PixelFormat fmt, GLenum type, const void *data);
+
+	/**
+	Loads an image from a file and uploads it to the texture.  If storage() has
+	not been called, the storage format will be set to match the loaded image.
+	*/
+	void load_image(const std::string &fn);
+
+	sizei get_width() const  { return width; }
+	sizei get_height() const { return height; }
+
 private:
+	void image(const Image &);
 };
 
 } // namespace GL