X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Ftexunit.h;h=7cf43a7832b4dc6bb3949685f4f90f09a80c1bbb;hp=5aec5b31127d032c3cf2da87ba5ba646e04d0643;hb=025016d7628be9c43b20999325dcbaae5cb3c3b8;hpb=84bc56b96c21c831104a22e0cbd0f3b72ab5d8c3

diff --git a/source/texunit.h b/source/texunit.h
index 5aec5b31..7cf43a78 100644
--- a/source/texunit.h
+++ b/source/texunit.h
@@ -6,24 +6,39 @@
 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;
+	bool tex_legacy;
 
 	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 *, bool = true);
+	const Texture *get_texture() const { return texture; }
+	bool get_texture_legacy() const { return tex_legacy; }
+	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