diff --git a/source/blender/python/api2_2x/doc/Render.py b/source/blender/python/api2_2x/doc/Render.py
index 4ac67421214..09d6a0bac62 100644
--- a/source/blender/python/api2_2x/doc/Render.py
+++ b/source/blender/python/api2_2x/doc/Render.py
@@ -349,6 +349,13 @@ class RenderData:
     @param size: can be 25, 50, 75 or 100 (percent).
     """
 
+  def getRenderWinSize():
+    """
+    Get the size of the render window.
+    @rtype: int
+    @return: window size; can be 25, 50, 75 or 100 (percent).
+    """
+
   def enableFieldRendering(toggle):
     """
     Enable/disable field rendering
diff --git a/source/blender/python/api2_2x/sceneRender.c b/source/blender/python/api2_2x/sceneRender.c
index 57cf4c22ae3..413c2c6a3f3 100644
--- a/source/blender/python/api2_2x/sceneRender.c
+++ b/source/blender/python/api2_2x/sceneRender.c
@@ -147,6 +147,7 @@ static PyObject *RenderData_EnableRayTracing( BPy_RenderData * self,
 					      PyObject * args );
 static PyObject *RenderData_EnableRadiosityRender( BPy_RenderData * self,
 						   PyObject * args );
+static PyObject *RenderData_GetRenderWinSize( BPy_RenderData * self );
 static PyObject *RenderData_SetRenderWinSize( BPy_RenderData * self,
 					      PyObject * args );
 static PyObject *RenderData_EnableFieldRendering( BPy_RenderData * self,
@@ -351,9 +352,12 @@ static PyMethodDef BPy_RenderData_methods[] = {
 	{"enableRadiosityRender",
 	 ( PyCFunction ) RenderData_EnableRadiosityRender, METH_VARARGS,
 	 "(bool) - enable/disable radiosity rendering\n"},
+	{"getRenderWinSize", ( PyCFunction ) RenderData_GetRenderWinSize,
+	 METH_NOARGS,
+	 "() - get the size of the render window\n"},
 	{"setRenderWinSize", ( PyCFunction ) RenderData_SetRenderWinSize,
 	 METH_VARARGS,
-	 "(enum) - get/set the size of the render window\n"},
+	 "(int) - set the size of the render window\n"},
 	{"enableFieldRendering",
 	 ( PyCFunction ) RenderData_EnableFieldRendering, METH_VARARGS,
 	 "(bool) - enable/disable field rendering\n"},
@@ -1350,6 +1354,12 @@ PyObject *RenderData_SetRenderWinSize( BPy_RenderData * self, PyObject * args )
 
 	return EXPP_incr_ret( Py_None );
 }
+//
+//------------------------------------RenderData.GetRenderWinSize() -----
+PyObject *RenderData_GetRenderWinSize( BPy_RenderData * self )
+{
+	return PyInt_FromLong( (long) self->renderContext->size );
+}
 
 //------------------------------------RenderData.EnableFieldRendering() -
 PyObject *RenderData_EnableFieldRendering( BPy_RenderData * self,