glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
glBlitFramebuffer(0, mirror_height, mirror_width, 0,
view_x, view_y, view_x + view_width, view_y + view_height,
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
glBlitFramebuffer(0, mirror_height, mirror_width, 0,
view_x, view_y, view_x + view_width, view_y + view_height,