clean gui

engine/gui/Gui.cpp

@@ -98,7 +98,6 @@ static const char* sdf_vertex =
 
 	"attribute vec4		a_position;"
 	"attribute vec2		a_tex_coord0;"
-	"attribute vec4		a_color;"
 
 	"varying vec2		v_tex_coord;"
 	"varying vec4		v_color;"

engine/gui/GuiText.h

@@ -54,7 +54,6 @@ struct IndexData
 };
 
 #define UTF8_ACCEPT 0
-#define UTF8_REJECT 1
 
 //-------------------------------------------------------------------------
 static const uint8_t s_utf8d[364] =
@@ -206,11 +205,6 @@ struct GuiText
 		m_r.commit(1);
 	}
 
-	//-------------------------------------------------------------------------
-	void set_pen()
-	{
-	}
-
 public:
 
 	RenderWorld& 		m_render_world;