From 9956cab1d4cb66b881c937671df2d67908171473 Mon Sep 17 00:00:00 2001
From: riccardom <riccardom@users.sf.net>
Date: Sat, 9 May 2009 17:00:32 +0000
Subject: [PATCH] Simplify Modify_Layer() by removing some superfluos checks,
 we really don't care if the layer was already in the state we want now.

---
 desmume/src/gtk/main.cpp | 30 +++++-------------------------
 1 file changed, 5 insertions(+), 25 deletions(-)

diff --git a/desmume/src/gtk/main.cpp b/desmume/src/gtk/main.cpp
index bd76fb59b..2bb4423a8 100644
--- a/desmume/src/gtk/main.cpp
+++ b/desmume/src/gtk/main.cpp
@@ -1269,42 +1269,22 @@ static void Modify_Layer(GtkToggleAction* action, gpointer data)
     case MAIN_BG_1:
     case MAIN_BG_2:
     case MAIN_BG_3:
-        if(active == TRUE) {
-            if (!MainScreen.gpu->dispBG[Layer])
-                GPU_addBack(MainScreen.gpu, Layer);
-        } else {
-            if (MainScreen.gpu->dispBG[Layer])
-                 GPU_remove(MainScreen.gpu, Layer);
-        }
-        break;
     case MAIN_OBJ:
         if(active == TRUE) {
-            if (!MainScreen.gpu->dispOBJ)
-                GPU_addBack(MainScreen.gpu, Layer);
-        } else { 
-            if (MainScreen.gpu->dispOBJ)
-                GPU_remove(MainScreen.gpu, Layer);
+            GPU_addBack(MainScreen.gpu, Layer);
+        } else {
+            GPU_remove(MainScreen.gpu, Layer);
         }
         break;
     case SUB_BG_0:
     case SUB_BG_1:
     case SUB_BG_2:
     case SUB_BG_3:
-        if(active == TRUE) {
-            if (!SubScreen.gpu->dispBG[Layer-SUB_BG_0])
-                GPU_addBack(SubScreen.gpu, Layer-SUB_BG_0);
-        } else { 
-            if (SubScreen.gpu->dispBG[Layer-SUB_BG_0])
-                GPU_remove(SubScreen.gpu, Layer-SUB_BG_0);
-        }
-        break;
     case SUB_OBJ:
         if(active == TRUE) {
-            if (!SubScreen.gpu->dispOBJ)
-                GPU_addBack(SubScreen.gpu, Layer-SUB_BG_0);
+            GPU_addBack(SubScreen.gpu, Layer-SUB_BG_0);
         } else { 
-            if (SubScreen.gpu->dispOBJ)
-                GPU_remove(SubScreen.gpu, Layer-SUB_BG_0);
+            GPU_remove(SubScreen.gpu, Layer-SUB_BG_0);
         }
         break;
     default: