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optimization: Render on pixmaps and copy the result on Stack_Wins

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This should speed up the rendering of Stack_Wins with many window
decorations and it should considerably reduce flicker.
This commit is contained in:
Michael Stapelberg
2009-07-17 18:32:40 +02:00
parent 0434b6ea3d
commit 5b51c8c6f0
7 changed files with 80 additions and 7 deletions
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8
src/layout.c
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@ -362,6 +362,9 @@ void render_container(xcb_connection_t *conn, Container *container) {
xcb_configure_window(conn, stack_win->window, mask, values);
}
/* Prepare the pixmap for usage */
cached_pixmap_prepare(conn, &(stack_win->pixmap));
/* Render the decorations of all clients */
CIRCLEQ_FOREACH(client, &(container->clients), clients) {
/* If the client is in fullscreen mode, it does not get reconfigured */
@ -384,9 +387,12 @@ void render_container(xcb_connection_t *conn, Container *container) {
client->force_reconfigure = false;
decorate_window(conn, client, stack_win->window, stack_win->gc,
decorate_window(conn, client, stack_win->pixmap.id, stack_win->pixmap.gc,
current_client++ * decoration_height);
}
xcb_copy_area(conn, stack_win->pixmap.id, stack_win->window, stack_win->pixmap.gc,
0, 0, 0, 0, stack_win->rect.width, stack_win->rect.height);
}
}