X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Ftexunit.h;h=6253d8d914f52c85f7f9eec6a4beae0fcd733722;hp=82c4b5795baafa5a095e1eb126b0b146ba5b5f63;hb=bec07999d95b76f4b47cffcc564d0cd0afc0435e;hpb=777f5f37f2d89ef2a787a77d74372b643968740e

diff --git a/source/texunit.h b/source/texunit.h
index 82c4b579..6253d8d9 100644
--- a/source/texunit.h
+++ b/source/texunit.h
@@ -6,33 +6,36 @@
 namespace Msp {
 namespace GL {
 
-class TexEnv;
-class TexGen;
+class Sampler;
 class Texture;
 
+/**
+Keeps track of texture unit related state.  Intended for internal use.
+*/
 class TexUnit
 {
 private:
+	unsigned index;
 	const Texture *texture;
-	const TexEnv *texenv;
-	const TexGen *texgen[4];
+	const Sampler *sampler;
 
 	static std::vector<TexUnit> units;
 	static TexUnit *cur_unit;
 
-public:
 	TexUnit();
 
+public:
+	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);
+	bool set_sampler(const Sampler *);
+	const Sampler *get_sampler() const { return sampler; }
+	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 *);
 };
 
 } // namespace GL