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Use 32bit visual only when needed. Thus we could drop the --enable-32bit-visual option.

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This commit is contained in:
darkraven
2012-03-01 13:53:06 +08:00
committed by Michael Stapelberg
parent 95f510e724
commit 9d68d780e2
9 changed files with 104 additions and 62 deletions
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51
src/xcb.c
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@ -16,15 +16,11 @@ unsigned int xcb_numlock_mask;
* for errors.
*
*/
xcb_window_t create_window(xcb_connection_t *conn, Rect dims, uint16_t window_class,
xcb_window_t create_window(xcb_connection_t *conn, Rect dims,
uint16_t depth, xcb_visualid_t visual, uint16_t window_class,
enum xcursor_cursor_t cursor, bool map, uint32_t mask, uint32_t *values) {
xcb_window_t result = xcb_generate_id(conn);
/* By default, the color depth determined in src/main.c is used (32 bit if
* available, otherwise the X11 root window’s default depth). */
uint16_t depth = root_depth;
xcb_visualid_t visual = visual_id;
/* If the window class is XCB_WINDOW_CLASS_INPUT_ONLY, we copy depth and
* visual id from the parent window. */
if (window_class == XCB_WINDOW_CLASS_INPUT_ONLY) {
@ -203,3 +199,46 @@ void xcb_set_root_cursor(int cursor) {
xcb_free_cursor(conn, cursor_id);
xcb_flush(conn);
}
/*
* Get depth of visual specified by visualid
*
*/
uint16_t get_visual_depth(xcb_visualid_t visual_id){
xcb_depth_iterator_t depth_iter;
depth_iter = xcb_screen_allowed_depths_iterator(root_screen);
for (; depth_iter.rem; xcb_depth_next(&depth_iter)) {
xcb_visualtype_iterator_t visual_iter;
visual_iter = xcb_depth_visuals_iterator(depth_iter.data);
for (; visual_iter.rem; xcb_visualtype_next(&visual_iter)) {
if (visual_id == visual_iter.data->visual_id) {
return depth_iter.data->depth;
}
}
}
return 0;
}
/*
* Get visualid with specified depth
*
*/
xcb_visualid_t get_visualid_by_depth(uint16_t depth){
xcb_depth_iterator_t depth_iter;
depth_iter = xcb_screen_allowed_depths_iterator(root_screen);
for (; depth_iter.rem; xcb_depth_next(&depth_iter)) {
if (depth_iter.data->depth != depth)
continue;
xcb_visualtype_iterator_t visual_iter;
visual_iter = xcb_depth_visuals_iterator(depth_iter.data);
if (!visual_iter.rem)
continue;
return visual_iter.data->visual_id;
}
return 0;
}