[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [55861] trunk/blender/source/gameengine/ Ketsji/KX_Camera.cpp: BGE: KX_Camera.getScreenVect() was using glReadPixels to get a depth value, which was causing a sync event between the gpu and cpu.

[Mitchell Stokes]

Revision: 55861
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=55861
Author:   moguri
Date:     2013-04-07 00:13:04 +0000 (Sun, 07 Apr 2013)
Log Message:
-----------
BGE: KX_Camera.getScreenVect() was using glReadPixels to get a depth value, which was causing a sync event between the gpu and cpu. glReadPixels was always returning 0, so I removed it and set depth to be a constant 0.

Modified Paths:
--------------
    trunk/blender/source/gameengine/Ketsji/KX_Camera.cpp

Modified: trunk/blender/source/gameengine/Ketsji/KX_Camera.cpp
===================================================================
--- trunk/blender/source/gameengine/Ketsji/KX_Camera.cpp	2013-04-06 23:14:28 UTC (rev 55860)
+++ trunk/blender/source/gameengine/Ketsji/KX_Camera.cpp	2013-04-07 00:13:04 UTC (rev 55861)
@@ -1018,7 +1018,8 @@
 	vect[0] += viewport[0];
 	vect[1] += viewport[1];
 
-	glReadPixels(x, y, 1, 1, GL_DEPTH_COMPONENT, GL_FLOAT, &vect[2]);
+	vect[2] = 0.f;
+
 	gluUnProject(vect[0], vect[1], vect[2], modelmatrix, projmatrix, viewport, &win[0], &win[1], &win[2]);
 
 	campos = this->GetCameraLocation();