X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Ftexture.h;h=2f647b90cae721837f441a59c4c67e5c5f3f31fd;hb=f19366d32cc29287a2730cfba90893e407754081;hp=80012f46846a7bd11746ed182fc2a56a21c8dfc5;hpb=6065f6622cc275dc0b20baaf7c267e71169d18f3;p=libs%2Fgl.git

diff --git a/source/core/texture.h b/source/core/texture.h
index 80012f46..2f647b90 100644
--- a/source/core/texture.h
+++ b/source/core/texture.h
@@ -3,9 +3,9 @@
 
 #include <msp/datafile/objectloader.h>
 #include <msp/graphics/image.h>
-#include "gl.h"
 #include "pixelformat.h"
 #include "resource.h"
+#include "texture_backend.h"
 
 namespace Msp {
 namespace GL {
@@ -19,8 +19,10 @@ A texture can consinst of a stack of images, called a mipmap.  The dimensions
 of each mipmap level are half that of the previous level.  The mipmap stack
 can be used for texture minification; see the Sampler class for details.
 */
-class Texture: public Resource
+class Texture: public TextureBackend, public Resource
 {
+	friend TextureBackend;
+
 protected:
 	class Loader: public DataFile::CollectionObjectLoader<Texture>
 	{
@@ -28,10 +30,10 @@ protected:
 		unsigned levels;
 
 	public:
-		Loader(Texture &);
-		Loader(Texture &, Collection &);
+		Loader(Texture &t): Loader(t, 0) { }
+		Loader(Texture &t, Collection &c): Loader(t, &c) { }
 	private:
-		void init();
+		Loader(Texture &, Collection *);
 
 		virtual void finish();
 
@@ -55,34 +57,20 @@ protected:
 		RGB_TO_BGR
 	};
 
-	unsigned id;
-	GLenum target;
 	PixelFormat format;
 	PixelFormat storage_fmt;
 	FormatSwizzle swizzle;
 	bool use_srgb_format;
 	bool auto_gen_mipmap;
-	std::string debug_name;
-
-	static int swizzle_orders[];
-	static Texture *scratch_binding;
 
-	Texture(GLenum, ResourceManager * = 0);
-	Texture(const Texture &);
-	Texture &operator=(const Texture &);
-public:
-	~Texture();
+	Texture(unsigned, ResourceManager * = 0);
 
-protected:
-	void generate_id();
 	void set_format(PixelFormat);
-	void apply_swizzle();
-	void set_parameter_i(GLenum, int) const;
 
 public:
 	PixelFormat get_format() const { return format; }
 
-	void generate_mipmap();
+	using TextureBackend::generate_mipmap;
 
 	/// Loads a Graphics::Image from a file and uploads it to the texture.
 	virtual void load_image(const std::string &, unsigned = 0);
@@ -92,17 +80,9 @@ public:
 	with the defined storage.  Semantics depend on the type of texture.  */
 	virtual void image(const Graphics::Image &, unsigned = 0) = 0;
 
-	GLenum get_target() const { return target; }
-	unsigned get_id() const { return id; }
-
 	virtual std::uint64_t get_data_size() const { return 0; }
 
-	void set_debug_name(const std::string &);
-
-protected:
-	void bind_scratch();
-public:
-	static void unbind_scratch();
+	using TextureBackend::set_debug_name;
 };
 
 } // namespace GL