Add functions for setting arrays of 2x2 and 3x3 matrix uniforms

[libs/gl.git] / source / texunit.h

diff --git a/source/texunit.h b/source/texunit.h
index 1a4111e6e52569b53bbb003d452aed90c333a2a9..7cf43a7832b4dc6bb3949685f4f90f09a80c1bbb 100644 (file)
--- a/source/texunit.h
+++ b/source/texunit.h
@@ -1,10 +1,3 @@
-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007-2008  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #ifndef MSP_GL_TEXUNIT_H_
 #define MSP_GL_TEXUNIT_H_
 
@@ -14,28 +7,38 @@ 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;
+       bool legacy;
        const Texture *texture;
-       const TexEnv *texenv;
+       bool tex_legacy;
 
        static std::vector<TexUnit> units;
        static TexUnit *cur_unit;
 
-public:
        TexUnit();
 
-       bool set_texture(const Texture *);
+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 set_texenv(const TexEnv *);
-       const TexEnv *get_texenv() const { return texenv; }
+       bool get_texture_legacy() const { return tex_legacy; }
+       void bind();
 
        static unsigned get_n_units();
-       static TexUnit &activate(unsigned);
+       static unsigned get_n_legacy_units();
+       static TexUnit &get_unit(unsigned);
        static TexUnit &current();
+       static TexUnit *find_unit(const Texture *);
 };
 
 } // namespace GL