Directly rende r borders instead of going through the active tab

kitty/borders.py

@@ -7,8 +7,8 @@ from itertools import chain
 
 from .constants import viewport_size
 from .fast_data_types import (
-    BORDERS_PROGRAM, add_borders_rect, compile_program, draw_borders,
-    init_borders_program, send_borders_rects
+    BORDERS_PROGRAM, add_borders_rect, compile_program, init_borders_program,
+    send_borders_rects
 )
 from .shaders import load_shaders
 from .utils import color_as_int, pt_to_px
@@ -76,6 +76,3 @@ class Borders:
                         g.bottom + pw
                     )
         send_borders_rects(viewport_size.width, viewport_size.height)
-
-    def render(self):
-        draw_borders()

kitty/boss.py

@@ -16,7 +16,7 @@ from .fast_data_types import (
     GL_ONE_MINUS_SRC_ALPHA, GL_SRC_ALPHA, GLFW_CURSOR, GLFW_CURSOR_HIDDEN,
     GLFW_CURSOR_NORMAL, GLFW_MOUSE_BUTTON_1, GLFW_PRESS, GLFW_REPEAT,
     ChildMonitor, Timers as _Timers, glBlendFunc, glfw_post_empty_event,
-    glViewport
+    glViewport, draw_borders
 )
 from .fonts.render import set_font_family
 from .keys import (
@@ -375,7 +375,7 @@ class Boss:
                     cocoa_update_title(self.glfw_window_title)
             with self.sprites:
                 self.sprites.render_dirty_sprites()
-                tab.render()
+                draw_borders()
                 with self.cell_program:
                     self.tab_manager.render(self.cell_program, self.sprites)
                     for window in tab.visible_windows():

kitty/tabs.py

@@ -195,9 +195,6 @@ class Tab:
     def destroy(self):
         self.windows = deque()
 
-    def render(self):
-        borders.render()
-
     def __repr__(self):
         return 'Tab(title={}, id={})'.format(self.name or self.title, hex(id(self)))