bgl/BGE: glCopyTexImage2D + bgl.buffer creation error more verbose + dome post_draw (it draw only for the last overlayed scene)

1) glCopyTexImage2D - www.opengl.org/sdk/docs/man/xhtml/glCopyTexImage2D.xml

2) dome post_draw. Now dome mode can also use scene.post_draw. It only runs for the last scene. It's really useful. I'm working on a nice showcase for this (a dome visualizer for the dome mode running with bgl. In the mean time this is a (lame) example of both working together (the buffer is being copied and draw on top of the window):
http://blenderecia.orgfree.com/blender/tmp/dome_bgl_copytex2d.jpg

1 files changed, 6 insertions, 1 deletions

diff --git a/source/gameengine/Ketsji/KX_KetsjiEngine.cpp b/source/gameengine/Ketsji/KX_KetsjiEngine.cpp
index dfac6e1b816..a13cd71fdac 100644
--- a/source/gameengine/Ketsji/KX_KetsjiEngine.cpp
+++ b/source/gameengine/Ketsji/KX_KetsjiEngine.cpp
@@ -285,6 +285,7 @@ void KX_KetsjiEngine::RenderDome()
 		return;
 
 	KX_SceneList::iterator sceneit;
+	KX_Scene* scene;
 
 	int n_renders=m_dome->GetNumberRenders();// usually 4 or 6
 	for (int i=0;i<n_renders;i++){
@@ -292,7 +293,7 @@ void KX_KetsjiEngine::RenderDome()
 		for (sceneit = m_scenes.begin();sceneit != m_scenes.end(); sceneit++)
 		// for each scene, call the proceed functions
 		{
-			KX_Scene* scene = *sceneit;
+			scene = *sceneit;
 			KX_Camera* cam = scene->GetActiveCamera();
 
 			m_rendertools->BeginFrame(m_rasterizer);
@@ -368,6 +369,10 @@ void KX_KetsjiEngine::RenderDome()
 			);
 	}
 	m_dome->Draw();
+	// Draw Callback for the last scene
+#ifndef DISABLE_PYTHON
+	scene->RunDrawingCallbacks(scene->GetPostDrawCB());
+#endif	
 	EndFrame();
 }