X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftexture3d.h;h=55a0e3dbe8ec4ce214bdc56f5532655160965b58;hb=55dbeb5e04516699b8415104e346243d5e4c48c9;hp=0a03cd5d9e61e1a06d0c41ec3376ca91f4cc0436;hpb=e003d7a1497dad3b13e4e88e681f8fa2afc40c83;p=libs%2Fgl.git

diff --git a/source/texture3d.h b/source/texture3d.h
index 0a03cd5d..55a0e3db 100644
--- a/source/texture3d.h
+++ b/source/texture3d.h
@@ -2,8 +2,6 @@
 #define MSP_GL_TEXTURE3D_H_
 
 #include <string>
-#include "datatype.h"
-#include "pixelformat.h"
 #include "texture.h"
 
 namespace Msp {
@@ -15,6 +13,19 @@ right cuboid.  Texture coordinates have a principal range of [0, 1].
 */
 class Texture3D: public Texture
 {
+public:
+	class Loader: public Msp::DataFile::DerivedObjectLoader<Texture3D, Texture::Loader>
+	{
+	public:
+		Loader(Texture3D &);
+		Loader(Texture3D &, Collection &);
+	private:
+		void init();
+
+		void raw_data(const std::string &);
+		void storage(PixelFormat, unsigned, unsigned, unsigned);
+	};
+
 private:
 	PixelFormat ifmt;
 	unsigned width;
@@ -22,6 +33,8 @@ private:
 	unsigned depth;
 	unsigned allocated;
 
+protected:
+	Texture3D(GLenum);
 public:
 	Texture3D();
 
@@ -32,7 +45,7 @@ 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. */
@@ -52,14 +65,32 @@ public:
 	texture's width and height are equal.  If dp is -2, the texture's height and
 	depth are equal.  Otherwise, dp must be positive and determines the
 	texture's depth.  In all cases, the image's height must equal the texture's
-	height times its depth. */
+	height times its depth.
+	
+	Deprecated in favor of the base class version.*/
 	void load_image(const std::string &fn, int dp = -1);
 
+	using Texture::load_image;
+
+	/** Uploads an image to the texture.  If storage has not been defined, it
+	will be set to match the image.  In this case the image will be treated as
+	a stack of square layers and its height must be divisible by its width.
+	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. */
+	virtual void image(const Graphics::Image &, bool = false);
+
 	unsigned get_width() const { return width; }
 	unsigned get_height() const { return height; }
 	unsigned get_depth() const { return depth; }
-private:
+protected:
 	void get_level_size(unsigned, unsigned &, unsigned &, unsigned &);
+
+public:
+	virtual AsyncLoader *load(IO::Seekable &, const Resources * = 0) { return 0; }
+	virtual UInt64 get_data_size() const;
+	virtual void unload() { }
 };
 
 } // namespace GL