5 files changed, 25 insertions, 10 deletions
diff --git a/src/menu/UMenuBackgroundColor.pas b/src/menu/UMenuBackgroundColor.pas
index 68cf2de4..a5c2a70a 100644
--- a/src/menu/UMenuBackgroundColor.pas
+++ b/src/menu/UMenuBackgroundColor.pas
@@ -52,7 +52,8 @@ type
 implementation
 uses
   gl,
-  glext;
+  glext,
+  UGraphic;
 
 constructor TMenuBackgroundColor.Create(const ThemedSettings: TThemeBackground);
 begin
@@ -62,8 +63,11 @@ end;
 
 procedure   TMenuBackgroundColor.Draw;
 begin
+  if (ScreenAct = 1) then
+  begin //just clear once, even when using two screens
    glClearColor(Color.R, Color.G, Color.B, 0);
    glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT);
+  end;
 end;
 
 end.
 \ No newline at end of file
diff --git a/src/menu/UMenuBackgroundFade.pas b/src/menu/UMenuBackgroundFade.pas
index b6174738..dc37da45 100644
--- a/src/menu/UMenuBackgroundFade.pas
+++ b/src/menu/UMenuBackgroundFade.pas
@@ -66,7 +66,8 @@ uses sdl,
      gl,
      glext,
      USkins,
-     UCommon;
+     UCommon,
+     UGraphic;
 
 constructor TMenuBackgroundFade.Create(const ThemedSettings: TThemeBackground);
 var texFilename: string;
@@ -121,7 +122,8 @@ begin
 
   if (UseTexture) then
   begin //Draw Texture to Screen
-    glClear(GL_DEPTH_BUFFER_BIT);
+    If (ScreenAct = 1) then //Clear just once when in dual screen mode
+      glClear(GL_DEPTH_BUFFER_BIT);
 
     glEnable(GL_TEXTURE_2D);
     glEnable(GL_BLEND);
@@ -149,7 +151,9 @@ begin
   end
   else
   begin //Clear Screen w/ progress Alpha + Color
-    glClear(GL_DEPTH_BUFFER_BIT);
+    If (ScreenAct = 1) then //Clear just once when in dual screen mode
+      glClear(GL_DEPTH_BUFFER_BIT);
+      
     glDisable(GL_TEXTURE_2D);
     glEnable(GL_BLEND);
     glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
diff --git a/src/menu/UMenuBackgroundNone.pas b/src/menu/UMenuBackgroundNone.pas
index 6b63742a..1fccc007 100644
--- a/src/menu/UMenuBackgroundNone.pas
+++ b/src/menu/UMenuBackgroundNone.pas
@@ -52,7 +52,8 @@ type
 implementation
 uses
   gl,
-  glext;
+  glext,
+  UGraphic;
 
 constructor TMenuBackgroundNone.Create(const ThemedSettings: TThemeBackground);
 begin
@@ -62,7 +63,8 @@ end;
 procedure   TMenuBackgroundNone.Draw;
 begin
   //Do just nothing in here!
-  glClear(GL_DEPTH_BUFFER_BIT);
+  If (ScreenAct = 1) then //Clear just once when in dual screen mode
+    glClear(GL_DEPTH_BUFFER_BIT);
 end;
 
 end.
 \ No newline at end of file
diff --git a/src/menu/UMenuBackgroundTexture.pas b/src/menu/UMenuBackgroundTexture.pas
index e8678fc5..a1b9e88a 100644
--- a/src/menu/UMenuBackgroundTexture.pas
+++ b/src/menu/UMenuBackgroundTexture.pas
@@ -61,7 +61,8 @@ uses
   UCommon,
   SysUtils,
   gl,
-  glext;
+  glext,
+  UGraphic;
 
 constructor TMenuBackgroundTexture.Create(const ThemedSettings: TThemeBackground);
 var texFilename: string;
@@ -92,7 +93,9 @@ end;
 
 procedure   TMenuBackgroundTexture.Draw;
 begin
-  glClear(GL_DEPTH_BUFFER_BIT);
+  If (ScreenAct = 1) then //Clear just once when in dual screen mode
+    glClear(GL_DEPTH_BUFFER_BIT);
+    
   glColorRGB(Color);
 
   glEnable(GL_TEXTURE_2D);
diff --git a/src/menu/UMenuBackgroundVideo.pas b/src/menu/UMenuBackgroundVideo.pas
index 377c2170..d1ce0f09 100644
--- a/src/menu/UMenuBackgroundVideo.pas
+++ b/src/menu/UMenuBackgroundVideo.pas
@@ -105,7 +105,8 @@ uses
   SysUtils,
   UTime,
   USkins,
-  UCommon;
+  UCommon,
+  UGraphic;
 
 constructor TMenuBackgroundVideo.Create(const ThemedSettings: TThemeBackground);
 begin
@@ -146,7 +147,8 @@ end;
 
 procedure   TMenuBackgroundVideo.Draw;
 begin
-  glClear(GL_DEPTH_BUFFER_BIT);
+  If (ScreenAct = 1) then //Clear just once when in dual screen mode
+    glClear(GL_DEPTH_BUFFER_BIT);
 
   VideoPlayback.GetFrame(VideoBGTimer.GetTime());
     // FIXME: why do we draw on screen 2? Seems to be wrong.