Pass EvaluationContext argument everywhere

Note that some little parts of code have been dissabled because eval_ctx
was not available there. This should be resolved once DerivedMesh is
replaced.

source/blender/python/intern/gpu_offscreen.c

@@ -192,6 +192,8 @@ PyDoc_STRVAR(pygpu_offscreen_draw_view3d_doc,
 );
 static PyObject *pygpu_offscreen_draw_view3d(BPy_GPUOffScreen *self, PyObject *args, PyObject *kwds)
 {
+	/* TODO: This doesn't work currently because of eval_ctx. */
+#if 0
 	static const char *kwlist[] = {"scene", "render_layer", "view3d", "region", "projection_matrix", "modelview_matrix", NULL};
 
 	MatrixObject *py_mat_modelview, *py_mat_projection;
@@ -244,6 +246,8 @@ static PyObject *pygpu_offscreen_draw_view3d(BPy_GPUOffScreen *self, PyObject *a
 	MEM_freeN(rv3d_mats);
 
 	Py_RETURN_NONE;
+#endif
+	return NULL;
 }
 
 PyDoc_STRVAR(pygpu_offscreen_free_doc,