diff --git a/Bizware/BizHawk.Bizware.BizwareGL.OpenTK/IGL_TK.cs b/Bizware/BizHawk.Bizware.BizwareGL.OpenTK/IGL_TK.cs
index 63f4f2227a..3e8ceb616a 100644
--- a/Bizware/BizHawk.Bizware.BizwareGL.OpenTK/IGL_TK.cs
+++ b/Bizware/BizHawk.Bizware.BizwareGL.OpenTK/IGL_TK.cs
@@ -287,6 +287,12 @@ namespace BizHawk.Bizware.BizwareGL.Drivers.OpenTK
 
 		public void BindPipeline(Pipeline pipeline)
 		{
+			if (pipeline == null)
+			{
+				sStatePendingVertexLayout = null;
+				GL.UseProgram(0);
+				return;
+			}
 			if (!pipeline.Available) throw new InvalidOperationException("Attempt to bind unavailable pipeline");
 			sStatePendingVertexLayout = pipeline.VertexLayout;
 			GL.UseProgram(pipeline.Id.ToInt32());
@@ -396,7 +402,7 @@ namespace BizHawk.Bizware.BizwareGL.Drivers.OpenTK
 			IntPtr texid = (this as IGL).GenTexture();
 			Texture2d tex = new Texture2d(this, texid, w, h);
 			GL.BindTexture(TextureTarget.Texture2D,texid.ToInt32());
-			GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, w,h,  0, PixelFormat.Bgra, PixelType.UnsignedByte, IntPtr.Zero);
+			GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba8, w, h, 0, PixelFormat.Bgra, PixelType.UnsignedByte, IntPtr.Zero);
 			tex.SetMagFilter(TextureMagFilter.Nearest);
 			tex.SetMinFilter(TextureMinFilter.Nearest);
 
@@ -604,6 +610,8 @@ namespace BizHawk.Bizware.BizwareGL.Drivers.OpenTK
 			var currBindings = sVertexAttribEnables;
 			sStateCurrentVertexLayout = sStatePendingVertexLayout;
 
+			if (layout == null) return;
+
 			foreach (var kvp in layout.Items)
 			{
 				GL.VertexAttribPointer(kvp.Key, kvp.Value.Components, (VertexAttribPointerType)kvp.Value.AttribType, kvp.Value.Normalized, kvp.Value.Stride, new IntPtr(pData) + kvp.Value.Offset);