/* Find the RENDER screen for the X11 screen */
static const xcb_render_pictscreen_t *
FindPictScreen(const xcb_setup_t *setup, const xcb_screen_t *scr,
const xcb_render_query_pict_formats_reply_t *r)
{
xcb_screen_iterator_t si = xcb_setup_roots_iterator(setup);
unsigned n = 0;
while (si.data != scr) {
assert(si.rem > 0);
n++;
xcb_screen_next(&si);
}
xcb_render_pictscreen_iterator_t rsi =
xcb_render_query_pict_formats_screens_iterator(r);
while (n > 0) {
if (unlikely(rsi.rem == 0))
return NULL; /* buggy server */
n--;
xcb_render_pictscreen_next(&rsi);
}
return rsi.data;
}
uint32_t
_ecore_xcb_render_find_visual_id(int type,
Eina_Bool check_alpha)
{
#ifdef ECORE_XCB_RENDER
const xcb_render_query_pict_formats_reply_t *reply;
xcb_render_pictvisual_t *visual = NULL;
xcb_render_pictscreen_iterator_t screens;
xcb_render_pictdepth_iterator_t depths;
xcb_render_pictvisual_iterator_t visuals;
#endif
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
if (!_render_avail) return 0;
#ifdef ECORE_XCB_RENDER
reply = xcb_render_util_query_formats(_ecore_xcb_conn);
if (!reply) return 0;
for (screens = xcb_render_query_pict_formats_screens_iterator(reply);
screens.rem; xcb_render_pictscreen_next(&screens))
{
for (depths = xcb_render_pictscreen_depths_iterator(screens.data);
depths.rem; xcb_render_pictdepth_next(&depths))
{
for (visuals = xcb_render_pictdepth_visuals_iterator(depths.data);
visuals.rem; xcb_render_pictvisual_next(&visuals))
{
xcb_render_pictforminfo_t temp;
xcb_render_pictforminfo_t *format;
visual = visuals.data;
temp.id = visual->format;
format =
xcb_render_util_find_format(reply, XCB_PICT_FORMAT_ID,
&temp, 0);
if (!format) continue;
if (format->type == type)
{
if (check_alpha)
{
if (format->direct.alpha_mask)
return visual->visual;
}
else
return visual->visual;
}
}
}
}
#endif
return 0;
}
xcb_render_pictvisual_t *
xcb_render_util_find_visual_format (const xcb_render_query_pict_formats_reply_t *formats,
const xcb_visualid_t visual)
{
xcb_render_pictscreen_iterator_t screens;
xcb_render_pictdepth_iterator_t depths;
xcb_render_pictvisual_iterator_t visuals;
if (!formats)
return 0;
for (screens = xcb_render_query_pict_formats_screens_iterator(formats); screens.rem; xcb_render_pictscreen_next(&screens))
for (depths = xcb_render_pictscreen_depths_iterator(screens.data); depths.rem; xcb_render_pictdepth_next(&depths))
for (visuals = xcb_render_pictdepth_visuals_iterator(depths.data); visuals.rem; xcb_render_pictvisual_next(&visuals))
if (visuals.data->visual == visual)
return visuals.data;
return 0;
}
