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Xephyr: xcb-ify visual list construction

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Reviewed-by: Mikhail Gusarov <dottedmag@dottedmag.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Julien Cristau <jcristau@debian.org>
This commit is contained in:
Julien Cristau 2010-06-20 23:34:54 +01:00 committed by Eric Anholt
parent ac2b0348c0
commit a71ea3f967
1 changed files with 33 additions and 26 deletions
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59
hw/kdrive/ephyr/hostx.c
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@ -1175,43 +1175,50 @@ hostx_get_extension_info(const char *a_ext_name,
int
hostx_get_visuals_info(EphyrHostVisualInfo ** a_visuals, int *a_num_entries)
{
Display *dpy = hostx_get_display();
Bool is_ok = False;
XVisualInfo templ, *visuals = NULL;
EphyrHostVisualInfo *host_visuals = NULL;
int nb_items = 0, i = 0;
int nb_items = 0, i = 0, screen_num;
xcb_screen_iterator_t screens;
xcb_depth_iterator_t depths;
EPHYR_RETURN_VAL_IF_FAIL(a_visuals && a_num_entries && dpy, False);
EPHYR_RETURN_VAL_IF_FAIL(a_visuals && a_num_entries, False);
EPHYR_LOG("enter\n");
memset(&templ, 0, sizeof(templ));
visuals = XGetVisualInfo(dpy, VisualNoMask, &templ, &nb_items);
if (!visuals) {
EPHYR_LOG_ERROR("host does not advertise any visual\n");
goto out;
screens = xcb_setup_roots_iterator(xcb_get_setup(HostX.conn));
for (screen_num = 0; screens.rem; screen_num++, xcb_screen_next(&screens)) {
depths = xcb_screen_allowed_depths_iterator(screens.data);
for (; depths.rem; xcb_depth_next(&depths)) {
xcb_visualtype_t *visuals = xcb_depth_visuals(depths.data);
EphyrHostVisualInfo *tmp_visuals =
realloc(host_visuals,
(nb_items + depths.data->visuals_len)
* sizeof(EphyrHostVisualInfo));
if (!tmp_visuals) {
goto out;
}
host_visuals = tmp_visuals;
for (i = 0; i < depths.data->visuals_len; i++) {
host_visuals[nb_items + i].visualid = visuals[i].visual_id;
host_visuals[nb_items + i].screen = screen_num;
host_visuals[nb_items + i].depth = depths.data->depth;
host_visuals[nb_items + i].class = visuals[i]._class;
host_visuals[nb_items + i].red_mask = visuals[i].red_mask;
host_visuals[nb_items + i].green_mask = visuals[i].green_mask;
host_visuals[nb_items + i].blue_mask = visuals[i].blue_mask;
host_visuals[nb_items + i].colormap_size = visuals[i].colormap_entries;
host_visuals[nb_items + i].bits_per_rgb = visuals[i].bits_per_rgb_value;
}
nb_items += depths.data->visuals_len;
}
}
EPHYR_LOG("host advertises %d visuals\n", nb_items);
host_visuals = calloc(nb_items, sizeof(EphyrHostVisualInfo));
for (i = 0; i < nb_items; i++) {
host_visuals[i].visualid = visuals[i].visualid;
host_visuals[i].screen = visuals[i].screen;
host_visuals[i].depth = visuals[i].depth;
host_visuals[i].class = visuals[i].class;
host_visuals[i].red_mask = visuals[i].red_mask;
host_visuals[i].green_mask = visuals[i].green_mask;
host_visuals[i].blue_mask = visuals[i].blue_mask;
host_visuals[i].colormap_size = visuals[i].colormap_size;
host_visuals[i].bits_per_rgb = visuals[i].bits_per_rgb;
}
*a_visuals = host_visuals;
*a_num_entries = nb_items;
host_visuals = NULL;
is_ok = TRUE;
out:
if (visuals) {
XFree(visuals);
visuals = NULL;
}
out:
free(host_visuals);
host_visuals = NULL;
EPHYR_LOG("leave\n");