X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftexunit.h;h=8962e63839cc6dd2f68113917396bf3816889056;hb=a1eb8711ba225bb4423868c50369ad5592465171;hp=8f0af01fe44560b75300e756d524fbcded3ff8d5;hpb=f14435e58bfa0fa697a06ba9a454bb30cd37d9d8;p=libs%2Fgl.git

diff --git a/source/texunit.h b/source/texunit.h
index 8f0af01f..8962e638 100644
--- a/source/texunit.h
+++ b/source/texunit.h
@@ -7,13 +7,19 @@ namespace Msp {
 namespace GL {
 
 class TexEnv;
+class TexGen;
 class Texture;
 
+/**
+Keeps track of texture unit related state.  Mostly for internal use.
+*/
 class TexUnit
 {
 private:
+	unsigned index;
 	const Texture *texture;
 	const TexEnv *texenv;
+	const TexGen *texgen[4];
 
 	static std::vector<TexUnit> units;
 	static TexUnit *cur_unit;
@@ -21,14 +27,20 @@ private:
 public:
 	TexUnit();
 
+	unsigned get_index() const { return index; }
 	bool set_texture(const Texture *);
 	const Texture *get_texture() const { return texture; }
 	bool set_texenv(const TexEnv *);
 	const TexEnv *get_texenv() const { return texenv; }
+	bool set_texgen(unsigned, const TexGen *);
+	const TexGen *get_texgen(unsigned);
+	void bind();
 
 	static unsigned get_n_units();
-	static TexUnit &activate(unsigned);
+	static TexUnit &get_unit(unsigned);
 	static TexUnit &current();
+	static TexUnit *find_unit(const Texture *);
+	static TexUnit *find_unit(const TexEnv *);
 };
 
 } // namespace GL