pboReady

diff --git a/Tests/OpenTKGameWindow.cs b/Tests/OpenTKGameWindow.cs
index 8e8cfcbcc71ec6443b3fc3621cb86db7118010fd..8f466c2a0bc8b02fdd1ac886d1d80c8049327346 100644 (file)
--- a/Tests/OpenTKGameWindow.cs
+++ b/Tests/OpenTKGameWindow.cs
@@ -32,7 +32,7 @@ namespace Crow
                public event EventHandler<ValueChangeEventArgs> ValueChanged;
                public virtual void NotifyValueChanged(string MemberName, object _value)
                {
-                       if (ValueChanged != null)                               
+                       if (ValueChanged != null)
                                ValueChanged.Invoke(this, new ValueChangeEventArgs(MemberName, _value));
                }
                #endregion
@@ -129,7 +129,7 @@ namespace Crow
                        CrowInterface.MouseCursorChanged += CrowInterface_MouseCursorChanged;
                        while (CrowInterface.ClientRectangle.Size.Width == 0)
                                Thread.Sleep (5);
-                       
+
                        while (true) {
                                CrowInterface.Update ();
                                //Thread.Sleep (1);
@@ -167,6 +167,7 @@ namespace Crow
                int[] pboHandles = new int[2];
                int pboSize;
                Rectangle pboRect;
+               bool pboReady = true;
                public Shader shader;
                public vaoMesh quad;
                public Matrix4 projection;
@@ -216,22 +217,27 @@ namespace Crow
 
                        GL.ActiveTexture (TextureUnit.Texture0);
                        GL.BindTexture (TextureTarget.Texture2D, texID);
-                       if (Monitor.TryEnter(CrowInterface.RenderMutex)) {                              
+
+                       if (pboReady) {
+                               pboIdx = (pboIdx + 1) % 2;
+                               pboNextIdx = (pboIdx + 1) % 2;
+
+                               // bind the texture and PBO (texture is already binded
+                               GL.BindBuffer(BufferTarget.PixelUnpackBuffer, pboHandles[pboIdx]);
+
+                               // copy pixels from PBO to texture object
+                               // Use offset instead of pointer.
+                               GL.TexSubImage2D (TextureTarget.Texture2D, 0,
+                                       pboRect.Left, pboRect.Top,
+                                       pboRect.Width, pboRect.Height,
+                                       OpenTK.Graphics.OpenGL.PixelFormat.Bgra, PixelType.UnsignedByte, IntPtr.Zero);
+                               pboReady = false;
+                       }
+
+                       if (Monitor.TryEnter(CrowInterface.RenderMutex)) {
                                if (CrowInterface.IsDirty) {
-                                       pboIdx = (pboIdx + 1) % 2;
-                                       pboNextIdx = (pboIdx + 1) % 2;
-
-                                       // bind the texture and PBO (texture is already binded
-                                       GL.BindBuffer(BufferTarget.PixelUnpackBuffer, pboHandles[pboIdx]);
-
-                                       // copy pixels from PBO to texture object
-                                       // Use offset instead of pointer.
-                                       GL.TexSubImage2D (TextureTarget.Texture2D, 0,
-                                               pboRect.Left, pboRect.Top,
-                                               pboRect.Width, pboRect.Height,
-                                               OpenTK.Graphics.OpenGL.PixelFormat.Bgra, PixelType.UnsignedByte, IntPtr.Zero);
-                                       
                                        pboRect = CrowInterface.DirtyRect;
+                                       pboReady = true;
                                        pboSize = 4 * CrowInterface.DirtyRect.Width * CrowInterface.DirtyRect.Height;
                                        // bind PBO to update texture source
                                        GL.BindBuffer(BufferTarget.PixelUnpackBuffer, pboHandles[pboNextIdx]);