Bind ProgramData to a Program upon construction

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

diff --git a/source/blend.h b/source/blend.h
index 27e76d6469ccb7ea6ab52aee8cb00e29dcdef5a5..3d7368bb8bfeda7c27c92aaa07172f5ae10111d9 100644 (file)
--- 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