Index: /trunk/src/VBox/Devices/Graphics/DevVGA-SVGA3d-ogl.cpp
===================================================================
--- /trunk/src/VBox/Devices/Graphics/DevVGA-SVGA3d-ogl.cpp	(revision 81218)
+++ /trunk/src/VBox/Devices/Graphics/DevVGA-SVGA3d-ogl.cpp	(revision 81219)
@@ -3500,7 +3500,7 @@
         return GL_SRC_ALPHA_SATURATE;
     case SVGA3D_BLENDOP_BLENDFACTOR:
-        return GL_CONSTANT_ALPHA;       /** @todo correct?? */
+        return GL_CONSTANT_COLOR;
     case SVGA3D_BLENDOP_INVBLENDFACTOR:
-        return GL_ONE_MINUS_CONSTANT_ALPHA;       /** @todo correct?? */
+        return GL_ONE_MINUS_CONSTANT_COLOR;
     default:
         AssertFailed();