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frame: Always use the client window's visual for our frame

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Since the frame is the window that's redirected, there's no reason for
it to match the root window. There *is*, however, a big incentive to
match the window's visual, since not doing so might trigger automatic
redirection.

On a specific platform, we construct a depth-32 root window, and stick a
depth-24 child window inside it. The frame ends up being created
depth-32, not depth-24, so we get automatic redirection.
This commit is contained in:
Jasper St. Pierre 2015-04-01 14:52:31 -07:00
parent a5d1f67c34
commit f3fecd478d
1 changed files with 1 additions and 25 deletions
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26
src/core/frame.c
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@ -37,7 +37,6 @@ meta_window_ensure_frame (MetaWindow *window)
{
MetaFrame *frame;
XSetWindowAttributes attrs;
Visual *visual;
gulong create_serial;
if (window->frame)
@ -58,37 +57,14 @@ meta_window_ensure_frame (MetaWindow *window)
frame->is_flashing = FALSE;
frame->borders_cached = FALSE;
meta_verbose ("Framing window %s: visual %s default, depth %d default depth %d\n",
window->desc,
XVisualIDFromVisual (window->xvisual) ==
XVisualIDFromVisual (window->screen->default_xvisual) ?
"is" : "is not",
window->depth, window->screen->default_depth);
meta_verbose ("Frame geometry %d,%d %dx%d\n",
frame->rect.x, frame->rect.y,
frame->rect.width, frame->rect.height);
/* Default depth/visual handles clients with weird visuals; they can
* always be children of the root depth/visual obviously, but
* e.g. DRI games can't be children of a parent that has the same
* visual as the client. NULL means default visual.
*
* We look for an ARGB visual if we can find one, otherwise use
* the default of NULL.
*/
/* Special case for depth 32 windows (assumed to be ARGB),
* we use the window's visual. Otherwise we just use the system visual.
*/
if (window->depth == 32)
visual = window->xvisual;
else
visual = NULL;
frame->ui_frame = meta_ui_create_frame (window->screen->ui,
window->display->xdisplay,
frame->window,
visual,
window->xvisual,
frame->rect.x,
frame->rect.y,
frame->rect.width,