X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftexenv.h;h=61f700854b50030e43297b96310aa106622a36fb;hb=126161d1d44ab9503bc747d24a07b7b9d15e527a;hp=8a341db331e13371939fbd7216499e3cc76b10df;hpb=7adcad3b40a03000a82e32db4523761c218309b8;p=libs%2Fgl.git

diff --git a/source/texenv.h b/source/texenv.h
index 8a341db3..61f70085 100644
--- a/source/texenv.h
+++ b/source/texenv.h
@@ -1,11 +1,53 @@
 #ifndef MSP_GL_TEXENV_H_
 #define MSP_GL_TEXENV_H_
 
+#include "color.h"
+#include "gl.h"
+
 namespace Msp {
 namespace GL {
 
+enum TexEnvMode
+{
+	REPLACE  = GL_REPLACE,
+	MODULATE = GL_MODULATE,
+	DECAL    = GL_DECAL,
+	BLEND    = GL_BLEND,
+	ADD      = GL_ADD,
+	COMBINE  = GL_COMBINE
+};
+
 class TexEnv
 {
+private:
+	enum ParameterMask
+	{
+		MODE = 1,
+		COLOR = 2
+	};
+
+	TexEnvMode mode;
+	Color color;
+
+public:
+	TexEnv();
+
+	static const TexEnv &default_object();
+
+private:
+	void update_parameter(int) const;
+
+public:
+	void set_mode(TexEnvMode);
+	void set_color(const Color &);
+	TexEnvMode get_mode() const { return mode; }
+	const Color &get_color() const { return color; }
+	void bind() const { bind_to(0); }
+	void bind_to(unsigned) const;
+
+	static const TexEnv *current(unsigned = 0);
+	static void unbind() { unbind_from(0); }
+	static void unbind_from(unsigned);
 };
 
 } // namespace GL