X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fblend.h;h=3d7368bb8bfeda7c27c92aaa07172f5ae10111d9;hb=5172d32d67595ea0b70184fadcfcb8e023cccbc8;hp=27e76d6469ccb7ea6ab52aee8cb00e29dcdef5a5;hpb=e3ca5a12fd2a3e751ffc86b743c8a43a2ba54edc;p=libs%2Fgl.git

diff --git a/source/blend.h b/source/blend.h
index 27e76d64..3d7368bb 100644
--- a/source/blend.h
+++ b/source/blend.h
@@ -1,23 +1,19 @@
 /* $Id$
 
 This file is part of libmspgl
-Copyright © 2008  Mikko Rasa, Mikkosoft Productions
+Copyright © 2008, 2010  Mikko Rasa, Mikkosoft Productions
 Distributed under the LGPL
 */
 
 #ifndef MSP_GL_BLEND_H_
 #define MSP_GL_BLEND_H_
 
+#include "bindable.h"
 #include "gl.h"
 
 namespace Msp {
 namespace GL {
 
-enum
-{
-	BLEND = GL_BLEND
-};
-
 enum BlendEquation
 {
 	ADD              = GL_FUNC_ADD,
@@ -45,8 +41,27 @@ enum BlendFactor
 	ONE_MINUS_CONSTANT_ALPHA = GL_ONE_MINUS_CONSTANT_ALPHA
 };
 
-void blend_equation(BlendEquation eq);
-void blend_func(BlendFactor src, BlendFactor dst);
+/**
+Blends incoming fragments with those already in the framebuffer.
+*/
+class Blend: public Bindable<Blend>
+{
+private:
+	BlendEquation eq;
+	BlendFactor src_factor;
+	BlendFactor dst_factor;
+
+public:
+	Blend();
+	Blend(BlendFactor, BlendFactor);
+	Blend(BlendEquation, BlendFactor, BlendFactor);
+
+	void bind() const;
+
+	static void unbind();
+
+	static const Blend &alpha();
+};
 
 } // namespace GL
 } // namespace Msp