improve gdi+ rendering mode (depending on your point of view) to run almost as fast as direct3d and put gui option for it

BizHawk.MultiClient/Config.cs

@@ -50,6 +50,7 @@
         public bool DisplayInput = false;
         public int DispInpx = 0;
         public int DispInpy = 24;
+		public bool ForceGDI = false;
 
         // Sound options
         public bool SoundEnabled = true;

BizHawk.MultiClient/MainForm.MenuItems.cs

@@ -16,7 +16,7 @@ namespace BizHawk.MultiClient
 {
 	partial class MainForm
 	{
-		private void rAMPokeToolStripMenuItem_Click(object sender, EventArgs e)
+		private void RAMPokeToolStripMenuItem_Click(object sender, EventArgs e)
 		{
 			RamPoke r = new RamPoke();
 			r.Show();
@@ -383,6 +383,48 @@ namespace BizHawk.MultiClient
 			LoadRom(file.FullName);
 		}
 
+		private void replayInputLogToolStripMenuItem_Click(object sender, EventArgs e)
+		{
+			InputLog.StopMovie();
+			InputLog.StartPlayback();
+			LoadRom(CurrentlyOpenRom);
+		}
+
+		private void PPUViewerToolStripMenuItem_Click(object sender, EventArgs e)
+		{
+			LoadNESPPU();
+		}
+
+		private void enableRewindToolStripMenuItem_Click(object sender, EventArgs e)
+		{
+			Global.Config.RewindEnabled ^= true;
+		}
+
+		private void hexEditorToolStripMenuItem_Click(object sender, EventArgs e)
+		{
+			LoadHexEditor();
+		}
+
+		private void MainForm_Shown(object sender, EventArgs e)
+		{
+			HandlePlatformMenus();
+		}
+
+		private void gameGenieCodesToolStripMenuItem_Click(object sender, EventArgs e)
+		{
+			LoadGameGenieEC();
+		}
+
+		private void cheatsToolStripMenuItem_Click(object sender, EventArgs e)
+		{
+			LoadCheatsWindow();
+		}
+
+		private void forceGDIPPresentationToolStripMenuItem_Click(object sender, EventArgs e)
+		{
+			Global.Config.ForceGDI ^= true;
+			SyncPresentationMode();
+		}
 
 	}
 }

BizHawk.MultiClient/MainForm.cs

@@ -52,6 +52,8 @@ namespace BizHawk.MultiClient
 
 		public MainForm(string[] args)
 		{
+			InitializeComponent();
+
 			//in order to allow late construction of this database, we hook up a delegate here to dearchive the data and provide it on demand
 			//we could background thread this later instead if we wanted to be real clever
 			NES.BootGodDB.GetDatabaseBytes = () => {
@@ -60,28 +62,10 @@ namespace BizHawk.MultiClient
 			};
 
 			Global.MainForm = this;
-			Global.Config = ConfigService.Load<Config>("config.ini");
-
-			if (Global.Direct3D != null)
-				renderTarget = new ViewportPanel();
-			else renderTarget = retainedPanel = new RetainedViewportPanel();
-
-			renderTarget.Dock = DockStyle.Fill;
-			renderTarget.BackColor = Color.Black;
-			Controls.Add(renderTarget);
-
-			InitializeComponent();
 
 			Database.LoadDatabase("gamedb.txt");
 
-			if (Global.Direct3D != null)
-			{
-				Global.RenderPanel = new Direct3DRenderPanel(Global.Direct3D, renderTarget);
-			}
-			else
-			{
-				Global.RenderPanel = new SysdrawingRenderPanel(retainedPanel);
-			}
+			SyncPresentationMode();
 
 			Load += (o, e) =>
 			{
@@ -160,6 +144,44 @@ namespace BizHawk.MultiClient
 				PauseEmulator();
 		}
 
+		void SyncPresentationMode()
+		{
+			bool gdi = Global.Config.ForceGDI;
+			if (Global.Direct3D == null)
+			{
+				gdi = Global.Config.ForceGDI = true;
+			}
+
+			if (renderTarget != null)
+			{
+				renderTarget.Dispose();
+				Controls.Remove(renderTarget);
+			}
+
+			if (retainedPanel != null) retainedPanel.Dispose();
+			if (Global.RenderPanel != null) Global.RenderPanel.Dispose();
+
+			if (gdi)
+				renderTarget = retainedPanel = new RetainedViewportPanel();
+			else renderTarget = new ViewportPanel();
+			Controls.Add(renderTarget);
+			Controls.SetChildIndex(renderTarget, 0);
+
+			renderTarget.Dock = DockStyle.Fill;
+			renderTarget.BackColor = Color.Black;
+
+			if (gdi)
+			{
+				Global.RenderPanel = new SysdrawingRenderPanel(retainedPanel);
+				retainedPanel.ActivateThreaded();
+			}
+			else
+			{
+				Global.RenderPanel = new Direct3DRenderPanel(Global.Direct3D, renderTarget);
+			}
+		}
+
+
 		void SetSpeedPercent(int value)
 		{
 			Global.Config.SpeedPercent = value;
@@ -503,7 +525,7 @@ namespace BizHawk.MultiClient
 					Global.Game.Name = (Global.Emulator as NES).GameName;
 				}
 
-				Text = DisplayNameForSystem(game.System) + " - " + game.Name;
+				Text = DisplayNameForSystem(game.System) + " - " + game.Name + " \\";
 				ResetRewindBuffer();
 				Global.Config.RecentRoms.Add(file.CanonicalName);
 				if (File.Exists(game.SaveRamPath))
@@ -731,6 +753,8 @@ namespace BizHawk.MultiClient
 				{
 					runloop_second = DateTime.Now;
 					Global.RenderPanel.FPS = runloop_fps;
+					Text = Text.Substring(0, Text.IndexOf('\\')) + "\\ " + runloop_fps + " fps";
+					Global.RenderPanel.FPS = runloop_fps;
 					runloop_fps = 0;
 				}
 
@@ -1179,6 +1203,7 @@ namespace BizHawk.MultiClient
 			saveWindowPositionToolStripMenuItem.Checked = Global.Config.SaveWindowPosition;
 			startPausedToolStripMenuItem.Checked = Global.Config.StartPaused;
             enableRewindToolStripMenuItem.Checked = Global.Config.RewindEnabled;
+			forceGDIPPresentationToolStripMenuItem.Checked = Global.Config.ForceGDI;
 		}
 
 		private void MainForm_Load(object sender, EventArgs e)
@@ -1245,41 +1270,6 @@ namespace BizHawk.MultiClient
             ConfigService.Save("config.ini", Global.Config);
         }
 
-        private void replayInputLogToolStripMenuItem_Click(object sender, EventArgs e)
-        {
-            InputLog.StopMovie();
-            InputLog.StartPlayback(); 
-            LoadRom(CurrentlyOpenRom);
-        }
-
-        private void pPUViewerToolStripMenuItem_Click(object sender, EventArgs e)
-        {
-            LoadNESPPU();
-        }
-
-        private void enableRewindToolStripMenuItem_Click(object sender, EventArgs e)
-        {
-            Global.Config.RewindEnabled ^= true;
-        }
-
-        private void hexEditorToolStripMenuItem_Click(object sender, EventArgs e)
-        {
-            LoadHexEditor();
-        }
-
-        private void MainForm_Shown(object sender, EventArgs e)
-        {
-			HandlePlatformMenus();
-        }
-
-        private void gameGenieCodesToolStripMenuItem_Click(object sender, EventArgs e)
-        {
-            LoadGameGenieEC();
-        }
-
-        private void cheatsToolStripMenuItem_Click(object sender, EventArgs e)
-        {
-            LoadCheatsWindow();
-        }
+   
 	}
 }

BizHawk.MultiClient/Program.cs

@@ -13,16 +13,20 @@ namespace BizHawk.MultiClient
             Application.EnableVisualStyles();
             Application.SetCompatibleTextRenderingDefault(false);
 
+			Global.Config = ConfigService.Load<Config>("config.ini");
+
             try { Global.DSound = new DirectSound(); }
             catch {
                 MessageBox.Show("Couldn't initialize DirectSound!");
                 return;
             }
 
-            try { Global.Direct3D = new Direct3D(); }
-            catch {
-                //can fallback to GDI rendering
-            }
+			try { Global.Direct3D = new Direct3D(); }
+			catch
+			{
+				//can fallback to GDI rendering
+				Global.Config.ForceGDI = true;
+			}
 
             try {
 				var mf = new MainForm(args);

BizHawk.Util/ViewportPanel.cs

@@ -1,4 +1,6 @@
 using System;
+using System.Collections.Generic;
+using System.Threading;
 using System.Drawing;
 using System.Drawing.Imaging;
 using System.Drawing.Drawing2D;
@@ -11,17 +13,96 @@ namespace BizHawk.Core
 	/// </summary>
 	public class RetainedViewportPanel : Control
 	{
+		Thread threadPaint;
+		EventWaitHandle ewh;
+		volatile bool killSignal;
+
+		/// <summary>
+		/// Turns this panel into multi-threaded mode.
+		/// This will sort of glitch out other gdi things on the system, but at least its fast...
+		/// </summary>
+		public void ActivateThreaded()
+		{
+			ewh = new EventWaitHandle(false, EventResetMode.AutoReset);
+			threadPaint = new Thread(PaintProc);
+			threadPaint.Start();
+		}
+
 		public RetainedViewportPanel()
 		{
 			CreateHandle();
 			
 			SetStyle(ControlStyles.AllPaintingInWmPaint, true);
 			SetStyle(ControlStyles.UserPaint, true);
-			SetStyle(ControlStyles.DoubleBuffer, true);
+			SetStyle(ControlStyles.DoubleBuffer, false);
 			SetStyle(ControlStyles.Opaque, true);
 			SetStyle(ControlStyles.UserMouse, true);
 		}
 
+
+		protected override void Dispose(bool disposing)
+		{
+			base.Dispose(disposing);
+			if (threadPaint != null)
+			{
+				killSignal = true;
+				ewh.Set();
+				ewh.WaitOne();
+			}
+			CleanupDisposeQueue();
+		}
+
+		void DoPaint()
+		{
+			if (bmp != null)
+			{
+				using (Graphics g = CreateGraphics())
+				{
+					g.PixelOffsetMode = PixelOffsetMode.HighSpeed;
+					g.InterpolationMode = InterpolationMode.NearestNeighbor;
+					g.CompositingMode = CompositingMode.SourceCopy;
+					g.CompositingQuality = CompositingQuality.HighSpeed;
+					g.DrawImage(bmp, 0, 0, Width, Height);
+				}
+			}
+
+			CleanupDisposeQueue();
+		}
+
+		void PaintProc()
+		{
+			for (; ; )
+			{
+				ewh.WaitOne();
+				if (killSignal)
+				{
+					ewh.Set();
+					return;
+				}
+
+				DoPaint();
+			}
+		}
+
+		void CleanupDisposeQueue()
+		{
+			lock (this)
+			{
+				while (DisposeQueue.Count > 0)
+					DisposeQueue.Dequeue().Dispose();
+			}
+		}
+
+		Queue<Bitmap> DisposeQueue = new Queue<Bitmap>();
+
+		void SignalPaint()
+		{
+			if (threadPaint == null)
+				DoPaint();
+			else
+				ewh.Set();
+		}
+
 		//Size logicalSize;
 		////int pitch;
 		//public void SetLogicalSize(int w, int h)
@@ -36,24 +117,26 @@ namespace BizHawk.Core
 		/// </summary>
 		public void SetBitmap(Bitmap newbmp)
 		{
-			if (bmp != null) bmp.Dispose();
-			bmp = newbmp;
-			Refresh();
+			lock (this)
+			{
+				if(bmp != null) DisposeQueue.Enqueue(bmp);
+				bmp = newbmp;
+			}
+			SignalPaint();
 		}
 
 		Bitmap bmp;
 
+		protected override void OnPaintBackground(PaintEventArgs pevent)
+		{
+
+		}
+
+
 		protected override void OnPaint(PaintEventArgs e)
 		{
+			SignalPaint();
 			base.OnPaint(e);
-			if (bmp != null)
-			{
-				e.Graphics.PixelOffsetMode = PixelOffsetMode.HighSpeed;
-				e.Graphics.InterpolationMode = InterpolationMode.NearestNeighbor;
-				e.Graphics.CompositingMode = CompositingMode.SourceCopy;
-				e.Graphics.CompositingQuality = CompositingQuality.HighSpeed;
-				e.Graphics.DrawImage(bmp, 0, 0, Width, Height);
-			}
 		}
 
 	}