X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Ftexunit.h;h=0bba15d6a48fc86ccfe945351b04190f95fef73f;hp=0bdb2159ff409beb8383f04444caa1df80a9a117;hb=3d8438922e24b787587d0c8f1883c5567a4af573;hpb=f098a871fc6dc7b61a5aca5581fa327e4124c036

diff --git a/source/texunit.h b/source/texunit.h
index 0bdb2159..0bba15d6 100644
--- a/source/texunit.h
+++ b/source/texunit.h
@@ -1,10 +1,3 @@
-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #ifndef MSP_GL_TEXUNIT_H_
 #define MSP_GL_TEXUNIT_H_
 
@@ -13,24 +6,37 @@ Distributed under the LGPL
 namespace Msp {
 namespace GL {
 
+class TexEnv;
+class TexGen;
 class Texture;
 
+/**
+Keeps track of texture unit related state.  Mostly for internal use.
+*/
 class TexUnit
 {
-public:
-	TexUnit();
-	bool set_texture(const Texture *);
-	const Texture *get_texture() { return texture; }
-	//TexEnv &get_env() { return env; }
-
-	static TexUnit &activate(unsigned);
-	static TexUnit &current();
 private:
+	unsigned index;
+	bool legacy;
 	const Texture *texture;
-	//TexEnv env;
 
 	static std::vector<TexUnit> units;
 	static TexUnit *cur_unit;
+
+	TexUnit();
+
+public:
+	unsigned get_index() const { return index; }
+	bool supports_legacy() const { return legacy; }
+	bool set_texture(const Texture *);
+	const Texture *get_texture() const { return texture; }
+	void bind();
+
+	static unsigned get_n_units();
+	static unsigned get_n_legacy_units();
+	static TexUnit &get_unit(unsigned);
+	static TexUnit &current();
+	static TexUnit *find_unit(const Texture *);
 };
 
 } // namespace GL