improved batching behavior of text rendering

OpenRA.Game/Chrome.cs

@@ -268,6 +268,7 @@ namespace OpenRA
 			var rect = new Rectangle(pos.X - 160 / 2, pos.Y - 4, 160, 24);
 			DrawDialogBackground( rect, "dialog2");
 			DrawCentered(text, new int2(pos.X, pos.Y), Color.White);
+			rgbaRenderer.Flush();
 			AddButton(rect, a);
 		}
 
@@ -278,6 +279,7 @@ namespace OpenRA
 			var r = new Rectangle( (Game.viewport.Width - w) / 2, (Game.viewport.Height - h) / 2, w, h );
 			DrawDialogBackground(r, "dialog");
 			DrawCentered("Choose Map", new int2(r.Left + w / 2, r.Top + 20), Color.White);
+			rgbaRenderer.Flush();
 
 			DrawDialogBackground(new Rectangle(r.Right - 200 - 160 / 2,
 					r.Bottom - 50 + 6, 160, 24), "dialog2");
@@ -401,7 +403,7 @@ namespace OpenRA
 			
 		}
 
-		public void DrawWidgets(World world) { rootWidget.Draw(); }
+		public void DrawWidgets(World world) { rootWidget.Draw(); shpRenderer.Flush(); rgbaRenderer.Flush(); }
 		
 		public void DrawLobby( World world )
 		{
@@ -419,6 +421,7 @@ namespace OpenRA
 			var r = new Rectangle( (Game.viewport.Width - w) / 2, (Game.viewport.Height - h) / 2, w, h );
 			DrawDialogBackground(r, "dialog");
 			DrawCentered("OpenRA Multiplayer Lobby", new int2(r.Left + w / 2, r.Top + 20), Color.White);
+			rgbaRenderer.Flush();
 
 			DrawDialogBackground(new Rectangle(r.Right - 264, r.Top + 43, 244, 244),"dialog2");
 			
@@ -447,6 +450,8 @@ namespace OpenRA
 			f.DrawText(rgbaRenderer, "Status", new int2(r.Left + 290, r.Top + 50), Color.White);
 			f.DrawText(rgbaRenderer, "Spawn", new int2(r.Left + 390, r.Top + 50), Color.White);
 
+			rgbaRenderer.Flush();
+				
 			var y = r.Top + 80;
 			foreach (var client in Game.LobbyInfo.Clients)
 			{

OpenRA.Game/Graphics/SpriteFont.cs

@@ -52,7 +52,7 @@ namespace OpenRA.Graphics
 				p.X += g.Advance;
 			}
 
-			r.Flush();
+		//	r.Flush();
 		}
 
 		public int2 Measure(string text)

OpenRA.Game/Widgets/CheckboxWidget.cs

@@ -56,6 +56,8 @@ namespace OpenRA.Widgets
 				Game.chrome.lineRenderer.Flush();
 			}
 
+			Game.chrome.rgbaRenderer.Flush();
+			
 			base.Draw();
 		}
 	}

OpenRA.Game/Widgets/LabelWidget.cs

@@ -46,6 +46,7 @@ namespace OpenRA.Widgets
 					- new int2(textSize.X / 2, textSize.Y/2);
 			
 			Game.chrome.renderer.BoldFont.DrawText(Game.chrome.rgbaRenderer, Text, position, Color.White);
+			Game.chrome.rgbaRenderer.Flush();
 			Game.chrome.renderer.Device.DisableScissor();
 			base.Draw();
 		}

OpenRA.Game/Widgets/WidgetUtils.cs

@@ -59,10 +59,10 @@ namespace OpenRA.Widgets
 			sr.DrawSprite(ss[5], new float2(Bounds.Right - ss[5].size.X, Bounds.Top), "chrome");
 			sr.DrawSprite(ss[6], new float2(Bounds.Left, Bounds.Bottom - ss[6].size.Y), "chrome");
 			sr.DrawSprite(ss[7], new float2(Bounds.Right - ss[7].size.X, Bounds.Bottom - ss[7].size.Y), "chrome");
-			sr.Flush();
 
 			if (a != null) a();
 
+			sr.Flush();		// because the scissor is changing
 			r.Device.DisableScissor();
 		}
 	}