Fixups for preview

space_view3d_virtual_reality/hmd/__init__.py

@@ -69,8 +69,8 @@ class HMD_Base:
 
     def __init__(self, name):
         self._name = name
-        self._projection_matrix = Matrix()
-        self._modelview_matrix = Matrix()
+        self._projection_matrix = Matrix.Identity(4)
+        self._modelview_matrix = Matrix.Identity(4)
         self._interpupillary_distance = Vector((0.0, 0.0))
         self._width = 0
         self._height = 0

space_view3d_virtual_reality/preview.py

@@ -68,8 +68,7 @@ class Preview:
             glViewport(viewport[0], viewport[1], width, height)
             glScissor(viewport[0], viewport[1], width, height)
 
-            glEnable(GL_DEPTH_TEST)
-            glDepthFunc(GL_LESS)
+        glDisable(GL_DEPTH_TEST)
 
         view_setup()
 
@@ -82,7 +81,6 @@ class Preview:
         glBindTexture(GL_TEXTURE_2D, act_tex[0])
 
         glDisable(GL_TEXTURE_2D)
-        glDisable(GL_DEPTH_TEST)
 
         view_reset()