X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftexture2d.h;h=eba3286fee15fddce63b67e503f551990b0bf65d;hb=8dbd6316d277d2f9cbf85e7e61f2541421e01292;hp=ff4d35b64b24685661f842b6f652604b0d4220a4;hpb=e003d7a1497dad3b13e4e88e681f8fa2afc40c83;p=libs%2Fgl.git

diff --git a/source/texture2d.h b/source/texture2d.h
index ff4d35b6..eba3286f 100644
--- a/source/texture2d.h
+++ b/source/texture2d.h
@@ -5,6 +5,7 @@
 #include <msp/graphics/image.h>
 #include "datatype.h"
 #include "pixelformat.h"
+#include "resource.h"
 #include "texture.h"
 
 namespace Msp {
@@ -12,17 +13,20 @@ namespace GL {
 
 /**
 Two-dimensional texture.  Consists of an array of texels in the shape of a
-rectangle.  Texture coordinate have a principal range of [0, 1].  This is the
-most common type of texture.
+rectangle.  Texture coordinate have a range of [0, 1].  Coordinates outside of
+this range are subject to wrapping.  This is the most common type of texture.
 */
 class Texture2D: public Texture
 {
 public:
-	class Loader: public Texture::Loader
+	class Loader: public Msp::DataFile::DerivedObjectLoader<Texture2D, Texture::Loader>
 	{
 	public:
 		Loader(Texture2D &);
+		Loader(Texture2D &, Collection &);
 	private:
+		void init();
+
 		void image_data(const std::string &);
 		void raw_data(const std::string &);
 		void storage(PixelFormat, unsigned, unsigned);
@@ -30,13 +34,15 @@ public:
 	};
 
 private:
+	class AsyncLoader;
+
 	PixelFormat ifmt;
 	unsigned width;
 	unsigned height;
 	unsigned allocated;
 
 public:
-	Texture2D();
+	Texture2D(ResourceManager * = 0);
 
 	/** Defines storage structure for the texture.  Must be called before an
 	image can be uploaded.  Once storage is defined, it can't be changed. */
@@ -45,7 +51,7 @@ public:
 	/** Allocates storage for the texture.  The contents are initially
 	undefined.  If storage has already been allocated, does nothing. */
 	void allocate(unsigned level);
-	
+
 	/** Uploads an image to the texture.  Storage must be defined beforehand.
 	The image data must have dimensions and format compatible with the defined
 	storage. */
@@ -57,17 +63,31 @@ public:
 	void sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht,
 		PixelFormat fmt, DataType type, const void *data);
 
-	/** Loads an image from a file and uploads it to the texture.  If storage
-	has not been defined, it will be set to match the loaded image.  Otherwise
-	the image must be compatible with the defined storage. */
-	void load_image(const std::string &fn);
+	/// Loads a Graphics::Image from a file and uploads it to the texture.
+	void load_image(const std::string &fn, bool srgb = false);
+
+	/** Uploads an image to the texture.  If storage has not been defined, it
+	will be set to match the image.  Otherwise the image must be compatible with
+	the defined storage.
+
+	If srgb is true and storage is determined by this call, then an sRGB pixel
+	format will be used. */
+	void image(const Graphics::Image &, bool srgb = false);
 
-	unsigned get_width() const  { return width; }
+private:
+	void image(const Graphics::Image &, bool, bool);
+
+public:
+	unsigned get_width() const { return width; }
 	unsigned get_height() const { return height; }
 
 private:
-	void image(const Graphics::Image &);
 	void get_level_size(unsigned, unsigned &, unsigned &);
+
+public:
+	virtual Resource::AsyncLoader *load(IO::Seekable &);
+	virtual UInt64 get_data_size() const;
+	virtual void unload();
 };
 
 } // namespace GL