--- a/Renderer/Engine/viewer.cc	Thu Jun 10 17:22:15 2010 +0900
+++ b/Renderer/Engine/viewer.cc	Thu Jun 10 23:21:51 2010 +0900
@@ -568,16 +568,18 @@
         int rangey = (starty + split_screen_h - 1 > this->height)
             ? this->height - starty + 1 : split_screen_h;
 
-#if 0
+#if 1
+
+	if(spack->info.size > 0) {
 
-	int array_task_num = (this->width + split_screen_w - 1) / split_screen_w;
-	HTaskPtr task_draw_array = manager->create_task_array(DrawSpan, array_task_num, 6, 1, rangey);
-	Task *task_draw = 0;
-
-        while (startx < this->width) {
-	 
+	  int array_task_num = (this->width + split_screen_w - 1) / split_screen_w;
+	  HTaskPtr task_draw_array = manager->create_task_array(DrawSpan, array_task_num, 6, 1, rangey);
+	  Task *task_draw = 0;
+	  
+	  while (startx < this->width) {
+	    
 	    // Draw SpanPack
-	  
+	    
 	    task_draw = task_draw_array->next_task_array(DrawSpan,task_draw);
 	    task_draw->set_param(0,(memaddr)&pixels[(startx-1) + this->width*(starty-1)]);
 	    task_draw->set_param(1,this->width);
@@ -589,9 +591,9 @@
 	    task_draw->set_inData(0,spack, sizeof(SpanPack));
 	    
 	    for (int i = 0; i < rangey; i++) {
-	        task_draw->set_outData(i,
-				       &pixels[(startx-1) + this->width*(starty-1 + i) ],
-				       (endx-startx+1)*sizeof(int));
+	      task_draw->set_outData(i,
+				     &pixels[(startx-1) + this->width*(starty-1 + i) ],
+				     (endx-startx+1)*sizeof(int));
 	    }
 	    
 	    startx += split_screen_w;
@@ -601,20 +603,27 @@
 	      endx = this->width;
 	    }
 	    
-	}	
+	  }	
+	  
+	  task_draw_array->spawn_task_array(task_draw->next());
+	  task_draw_array->set_cpu(SPE_ANY);
+	  task_next->wait_for(task_draw_array);
+	  task_draw_array->wait_for(data_update_wait);
+	  task_draw_array->spawn();
 
-	task_draw_array->spawn_task_array(task_draw->next());
-	task_draw_array->set_cpu(SPE_ANY);
-	task_next->wait_for(task_draw_array);
-	task_draw_array->wait_for(data_update_wait);
-	task_draw_array->spawn();
+	} else {
+	  
+	  memset(&pixels[(startx-1)+this->width*(starty-1)],
+		 0, (this->width)*sizeof(int)*rangey);
 
-#else if
+	}
+
+#else
 
        HTaskPtr task_draw;
 
         while (startx < this->width) {
-            if (spack->info.size > 0) {
+	  if (spack->info.size > 0) {
                 // Draw SpanPack
                 task_draw = manager->create_task(DrawSpan);
 
@@ -634,14 +643,14 @@
 			(endx-startx+1)*sizeof(int));
 		}
 
-            } else {
+	} else {
 		// 7.7.3 SL1 Data Cache Range Set to Zero コマンド
 		//  を使って、DMAでclearするべき... ということは、
 		// それもSPEでやる方が良い?
-                memset(&pixels[(startx-1)+this->width*(starty-1)],
-                       0, (this->width)*sizeof(int)*rangey);
-				break;
-            }
+		  memset(&pixels[(startx-1)+this->width*(starty-1)],
+		                0, (this->width)*sizeof(int)*rangey);
+		  break;
+	}
 
 	    task_draw->set_cpu(SPE_ANY);
             task_next->wait_for(task_draw);