From: Latif Khalifa <latifer@streamgrid.net>
Date: Sun, 10 Jul 2011 13:19:42 +0000 (+0000)
Subject: Detect if we have VBO support.
X-Git-Tag: 2.8~405
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=71c51339e77b14508a93de384d0beff35eb20620;p=radegast%2Fradegast.git

Detect if we have VBO support.

git-svn-id: https://radegast.googlecode.com/svn/trunk@966 f7a694da-4d33-11de-9ad6-1127a62b9fcd
---

diff --git a/Radegast/GUI/Rendering/Rendering.cs b/Radegast/GUI/Rendering/Rendering.cs
index 16cd1cc..4083714 100644
--- a/Radegast/GUI/Rendering/Rendering.cs
+++ b/Radegast/GUI/Rendering/Rendering.cs
@@ -169,6 +169,7 @@ namespace Radegast.Rendering
 
         void frmPrimWorkshop_Disposed(object sender, EventArgs e)
         {
+            RenderingEnabled = false;
             Application.Idle -= new EventHandler(Application_Idle);
 
             PendingTextures.Close();
@@ -180,8 +181,8 @@ namespace Radegast.Rendering
             Client.Network.SimChanged -= new EventHandler<SimChangedEventArgs>(Network_SimChanged);
             Client.Self.TeleportProgress -= new EventHandler<TeleportEventArgs>(Self_TeleportProgress);
             Client.Terrain.LandPatchReceived -= new EventHandler<LandPatchReceivedEventArgs>(Terrain_LandPatchReceived);
-            Instance.Netcom.ClientDisconnected -= new EventHandler<DisconnectedEventArgs>(Netcom_ClientDisconnected);
             //Client.Avatars.AvatarAnimation -= new EventHandler<AvatarAnimationEventArgs>(AvatarAnimationChanged);
+            Client.Avatars.AvatarAppearance -= new EventHandler<AvatarAppearanceEventArgs>(Avatars_AvatarAppearance);
 
             if (instance.Netcom != null)
             {
@@ -484,7 +485,10 @@ namespace Radegast.Rendering
 
                 GL.Enable(EnableCap.Blend);
                 GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
-                hasMipmap = GL.GetString(StringName.Extensions).Contains("GL_SGIS_generate_mipmap");
+                string glExtensions = GL.GetString(StringName.Extensions);
+                hasMipmap = glExtensions.Contains("GL_SGIS_generate_mipmap");
+                useVBO = glExtensions.Contains("ARB_vertex_buffer_object");
+
                 // Double check if we have mipmap ability
                 if (hasMipmap)
                 {
diff --git a/Radegast/GUI/Rendering/RenderingHelpers.cs b/Radegast/GUI/Rendering/RenderingHelpers.cs
index e1d300c..3142a26 100644
--- a/Radegast/GUI/Rendering/RenderingHelpers.cs
+++ b/Radegast/GUI/Rendering/RenderingHelpers.cs
@@ -34,7 +34,7 @@ namespace Radegast.Rendering
                 Vertex[] vArray = face.Vertices.ToArray();
                 GL.GenBuffers(1, out VertexVBO);
                 GL.BindBuffer(BufferTarget.ArrayBuffer, VertexVBO);
-                GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(vArray.Length * VertexSize), vArray, BufferUsageHint.StreamDraw);
+                GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(vArray.Length * VertexSize), vArray, BufferUsageHint.StaticDraw);
             }
 
             if (IndexVBO == -1)
@@ -42,7 +42,7 @@ namespace Radegast.Rendering
                 ushort[] iArray = face.Indices.ToArray();
                 GL.GenBuffers(1, out IndexVBO);
                 GL.BindBuffer(BufferTarget.ElementArrayBuffer, IndexVBO);
-                GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(iArray.Length * sizeof(ushort)), iArray, BufferUsageHint.StreamDraw);
+                GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(iArray.Length * sizeof(ushort)), iArray, BufferUsageHint.StaticDraw);
             }
         }
     }