ce6c8e8fd6
To avoid retrieving the backend from the compositor all the time, store a pointer to the x11 backend on its x11_output structures. This will be useful once the compositor contains more than one backend. Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
1991 lines
52 KiB
C
1991 lines
52 KiB
C
/*
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* Copyright © 2008-2011 Kristian Høgsberg
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* Copyright © 2010-2011 Intel Corporation
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* Copyright © 2013 Vasily Khoruzhick <anarsoul@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "config.h"
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#include <assert.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include <sys/time.h>
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#include <sys/shm.h>
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#include <linux/input.h>
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#include <xcb/xcb.h>
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#include <xcb/shm.h>
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#ifdef HAVE_XCB_XKB
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#include <xcb/xkb.h>
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#endif
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#include <X11/Xlib.h>
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#include <X11/Xlib-xcb.h>
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#include <xkbcommon/xkbcommon.h>
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#include <libweston/libweston.h>
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#include <libweston/backend-x11.h>
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#include "shared/helpers.h"
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#include "shared/image-loader.h"
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#include "shared/timespec-util.h"
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#include "shared/file-util.h"
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#include "renderer-gl/gl-renderer.h"
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#include "shared/weston-drm-fourcc.h"
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#include "shared/weston-egl-ext.h"
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#include "pixman-renderer.h"
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#include "presentation-time-server-protocol.h"
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#include "linux-dmabuf.h"
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#include "linux-explicit-synchronization.h"
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#include <libweston/windowed-output-api.h>
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#define DEFAULT_AXIS_STEP_DISTANCE 10
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#define WINDOW_MIN_WIDTH 128
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#define WINDOW_MIN_HEIGHT 128
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#define WINDOW_MAX_WIDTH 8192
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#define WINDOW_MAX_HEIGHT 8192
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static const uint32_t x11_formats[] = {
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DRM_FORMAT_XRGB8888,
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};
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struct x11_backend {
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struct weston_backend base;
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struct weston_compositor *compositor;
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Display *dpy;
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xcb_connection_t *conn;
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xcb_screen_t *screen;
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xcb_cursor_t null_cursor;
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struct wl_array keys;
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struct wl_event_source *xcb_source;
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struct xkb_keymap *xkb_keymap;
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unsigned int has_xkb;
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uint8_t xkb_event_base;
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int fullscreen;
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int no_input;
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int has_net_wm_state_fullscreen;
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/* We could map multi-pointer X to multiple wayland seats, but
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* for now we only support core X input. */
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struct weston_seat core_seat;
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double prev_x;
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double prev_y;
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struct {
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xcb_atom_t wm_protocols;
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xcb_atom_t wm_normal_hints;
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xcb_atom_t wm_size_hints;
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xcb_atom_t wm_delete_window;
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xcb_atom_t wm_class;
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xcb_atom_t net_wm_name;
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xcb_atom_t net_supporting_wm_check;
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xcb_atom_t net_supported;
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xcb_atom_t net_wm_icon;
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xcb_atom_t net_wm_state;
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xcb_atom_t net_wm_state_fullscreen;
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xcb_atom_t string;
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xcb_atom_t utf8_string;
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xcb_atom_t cardinal;
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xcb_atom_t xkb_names;
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} atom;
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xcb_generic_event_t *prev_event;
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};
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struct x11_head {
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struct weston_head base;
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};
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struct x11_output {
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struct weston_output base;
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struct x11_backend *backend;
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xcb_window_t window;
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struct weston_mode mode;
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struct weston_mode native;
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struct wl_event_source *finish_frame_timer;
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xcb_gc_t gc;
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xcb_shm_seg_t segment;
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pixman_image_t *hw_surface;
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int shm_id;
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void *buf;
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uint8_t depth;
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int32_t scale;
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bool resize_pending;
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bool window_resized;
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};
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struct window_delete_data {
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struct x11_backend *backend;
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xcb_window_t window;
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};
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struct gl_renderer_interface *gl_renderer;
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static void
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x11_destroy(struct weston_backend *backend);
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static inline struct x11_head *
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to_x11_head(struct weston_head *base)
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{
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if (base->backend->destroy != x11_destroy)
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return NULL;
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return container_of(base, struct x11_head, base);
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}
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static void
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x11_output_destroy(struct weston_output *base);
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static inline struct x11_output *
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to_x11_output(struct weston_output *base)
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{
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if (base->destroy != x11_output_destroy)
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return NULL;
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return container_of(base, struct x11_output, base);
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}
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static inline struct x11_backend *
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to_x11_backend(struct weston_compositor *base)
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{
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return container_of(base->backend, struct x11_backend, base);
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}
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static xcb_screen_t *
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x11_compositor_get_default_screen(struct x11_backend *b)
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{
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xcb_screen_iterator_t iter;
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int i, screen_nbr = XDefaultScreen(b->dpy);
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iter = xcb_setup_roots_iterator(xcb_get_setup(b->conn));
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for (i = 0; iter.rem; xcb_screen_next(&iter), i++)
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if (i == screen_nbr)
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return iter.data;
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return xcb_setup_roots_iterator(xcb_get_setup(b->conn)).data;
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}
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static struct xkb_keymap *
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x11_backend_get_keymap(struct x11_backend *b)
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{
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xcb_get_property_cookie_t cookie;
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xcb_get_property_reply_t *reply;
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struct xkb_rule_names names;
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struct xkb_keymap *ret;
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const char *value_all, *value_part;
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int length_all, length_part;
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memset(&names, 0, sizeof(names));
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cookie = xcb_get_property(b->conn, 0, b->screen->root,
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b->atom.xkb_names, b->atom.string, 0, 1024);
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reply = xcb_get_property_reply(b->conn, cookie, NULL);
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if (reply == NULL)
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return NULL;
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value_all = xcb_get_property_value(reply);
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length_all = xcb_get_property_value_length(reply);
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value_part = value_all;
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#define copy_prop_value(to) \
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length_part = strlen(value_part); \
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if (value_part + length_part < (value_all + length_all) && \
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length_part > 0) \
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names.to = value_part; \
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value_part += length_part + 1;
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copy_prop_value(rules);
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copy_prop_value(model);
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copy_prop_value(layout);
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copy_prop_value(variant);
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copy_prop_value(options);
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#undef copy_prop_value
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ret = xkb_keymap_new_from_names(b->compositor->xkb_context, &names, 0);
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free(reply);
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return ret;
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}
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static uint32_t
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get_xkb_mod_mask(struct x11_backend *b, uint32_t in)
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{
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struct weston_keyboard *keyboard =
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weston_seat_get_keyboard(&b->core_seat);
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struct weston_xkb_info *info = keyboard->xkb_info;
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uint32_t ret = 0;
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if ((in & ShiftMask) && info->shift_mod != XKB_MOD_INVALID)
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ret |= (1 << info->shift_mod);
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if ((in & LockMask) && info->caps_mod != XKB_MOD_INVALID)
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ret |= (1 << info->caps_mod);
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if ((in & ControlMask) && info->ctrl_mod != XKB_MOD_INVALID)
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ret |= (1 << info->ctrl_mod);
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if ((in & Mod1Mask) && info->alt_mod != XKB_MOD_INVALID)
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ret |= (1 << info->alt_mod);
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if ((in & Mod2Mask) && info->mod2_mod != XKB_MOD_INVALID)
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ret |= (1 << info->mod2_mod);
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if ((in & Mod3Mask) && info->mod3_mod != XKB_MOD_INVALID)
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ret |= (1 << info->mod3_mod);
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if ((in & Mod4Mask) && info->super_mod != XKB_MOD_INVALID)
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ret |= (1 << info->super_mod);
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if ((in & Mod5Mask) && info->mod5_mod != XKB_MOD_INVALID)
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ret |= (1 << info->mod5_mod);
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return ret;
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}
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static void
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x11_backend_setup_xkb(struct x11_backend *b)
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{
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#ifndef HAVE_XCB_XKB
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weston_log("XCB-XKB not available during build\n");
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b->has_xkb = 0;
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b->xkb_event_base = 0;
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return;
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#else
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struct weston_keyboard *keyboard;
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const xcb_query_extension_reply_t *ext;
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xcb_generic_error_t *error;
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xcb_void_cookie_t select;
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xcb_xkb_use_extension_cookie_t use_ext;
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xcb_xkb_use_extension_reply_t *use_ext_reply;
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xcb_xkb_per_client_flags_cookie_t pcf;
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xcb_xkb_per_client_flags_reply_t *pcf_reply;
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xcb_xkb_get_state_cookie_t state;
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xcb_xkb_get_state_reply_t *state_reply;
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uint32_t values[1] = { XCB_EVENT_MASK_PROPERTY_CHANGE };
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b->has_xkb = 0;
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b->xkb_event_base = 0;
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ext = xcb_get_extension_data(b->conn, &xcb_xkb_id);
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if (!ext) {
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weston_log("XKB extension not available on host X11 server\n");
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return;
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}
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b->xkb_event_base = ext->first_event;
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select = xcb_xkb_select_events_checked(b->conn,
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XCB_XKB_ID_USE_CORE_KBD,
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XCB_XKB_EVENT_TYPE_STATE_NOTIFY,
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0,
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XCB_XKB_EVENT_TYPE_STATE_NOTIFY,
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0,
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0,
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NULL);
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error = xcb_request_check(b->conn, select);
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if (error) {
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weston_log("error: failed to select for XKB state events\n");
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free(error);
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return;
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}
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use_ext = xcb_xkb_use_extension(b->conn,
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XCB_XKB_MAJOR_VERSION,
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XCB_XKB_MINOR_VERSION);
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use_ext_reply = xcb_xkb_use_extension_reply(b->conn, use_ext, NULL);
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if (!use_ext_reply) {
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weston_log("couldn't start using XKB extension\n");
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return;
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}
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if (!use_ext_reply->supported) {
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weston_log("XKB extension version on the server is too old "
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"(want %d.%d, has %d.%d)\n",
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XCB_XKB_MAJOR_VERSION, XCB_XKB_MINOR_VERSION,
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use_ext_reply->serverMajor, use_ext_reply->serverMinor);
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free(use_ext_reply);
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return;
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}
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free(use_ext_reply);
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pcf = xcb_xkb_per_client_flags(b->conn,
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XCB_XKB_ID_USE_CORE_KBD,
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XCB_XKB_PER_CLIENT_FLAG_DETECTABLE_AUTO_REPEAT,
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XCB_XKB_PER_CLIENT_FLAG_DETECTABLE_AUTO_REPEAT,
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0,
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0,
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0);
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pcf_reply = xcb_xkb_per_client_flags_reply(b->conn, pcf, NULL);
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if (!pcf_reply ||
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!(pcf_reply->value & XCB_XKB_PER_CLIENT_FLAG_DETECTABLE_AUTO_REPEAT)) {
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weston_log("failed to set XKB per-client flags, not using "
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"detectable repeat\n");
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free(pcf_reply);
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return;
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}
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free(pcf_reply);
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state = xcb_xkb_get_state(b->conn, XCB_XKB_ID_USE_CORE_KBD);
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state_reply = xcb_xkb_get_state_reply(b->conn, state, NULL);
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if (!state_reply) {
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weston_log("failed to get initial XKB state\n");
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return;
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}
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keyboard = weston_seat_get_keyboard(&b->core_seat);
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xkb_state_update_mask(keyboard->xkb_state.state,
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get_xkb_mod_mask(b, state_reply->baseMods),
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get_xkb_mod_mask(b, state_reply->latchedMods),
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get_xkb_mod_mask(b, state_reply->lockedMods),
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0,
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0,
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state_reply->group);
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free(state_reply);
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xcb_change_window_attributes(b->conn, b->screen->root,
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XCB_CW_EVENT_MASK, values);
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b->has_xkb = 1;
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#endif
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}
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#ifdef HAVE_XCB_XKB
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static void
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update_xkb_keymap(struct x11_backend *b)
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{
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struct xkb_keymap *keymap;
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keymap = x11_backend_get_keymap(b);
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if (!keymap) {
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weston_log("failed to get XKB keymap\n");
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return;
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}
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weston_seat_update_keymap(&b->core_seat, keymap);
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xkb_keymap_unref(keymap);
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}
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#endif
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static int
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x11_input_create(struct x11_backend *b, int no_input)
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{
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struct xkb_keymap *keymap;
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weston_seat_init(&b->core_seat, b->compositor, "default");
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if (no_input)
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return 0;
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weston_seat_init_pointer(&b->core_seat);
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keymap = x11_backend_get_keymap(b);
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if (weston_seat_init_keyboard(&b->core_seat, keymap) < 0)
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return -1;
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xkb_keymap_unref(keymap);
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x11_backend_setup_xkb(b);
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return 0;
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}
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static void
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x11_input_destroy(struct x11_backend *b)
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{
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weston_seat_release(&b->core_seat);
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}
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static int
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x11_output_start_repaint_loop(struct weston_output *output)
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{
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struct timespec ts;
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weston_compositor_read_presentation_clock(output->compositor, &ts);
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weston_output_finish_frame(output, &ts, WP_PRESENTATION_FEEDBACK_INVALID);
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return 0;
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}
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static int
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x11_output_repaint_gl(struct weston_output *output_base,
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pixman_region32_t *damage)
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{
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struct x11_output *output = to_x11_output(output_base);
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struct weston_compositor *ec;
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assert(output);
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ec = output->base.compositor;
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ec->renderer->repaint_output(output_base, damage);
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pixman_region32_subtract(&ec->primary_plane.damage,
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&ec->primary_plane.damage, damage);
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wl_event_source_timer_update(output->finish_frame_timer, 10);
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return 0;
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}
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static void
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set_clip_for_output(struct weston_output *output_base, pixman_region32_t *region)
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{
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struct x11_output *output = to_x11_output(output_base);
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struct x11_backend *b;
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pixman_region32_t transformed_region;
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pixman_box32_t *rects;
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xcb_rectangle_t *output_rects;
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xcb_void_cookie_t cookie;
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int nrects, i;
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xcb_generic_error_t *err;
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if (!output)
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return;
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b = output->backend;
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pixman_region32_init(&transformed_region);
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weston_region_global_to_output(&transformed_region,
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output_base,
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region);
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rects = pixman_region32_rectangles(&transformed_region, &nrects);
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output_rects = calloc(nrects, sizeof(xcb_rectangle_t));
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if (output_rects == NULL) {
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pixman_region32_fini(&transformed_region);
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return;
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}
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for (i = 0; i < nrects; i++) {
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output_rects[i].x = rects[i].x1;
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output_rects[i].y = rects[i].y1;
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output_rects[i].width = rects[i].x2 - rects[i].x1;
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output_rects[i].height = rects[i].y2 - rects[i].y1;
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}
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pixman_region32_fini(&transformed_region);
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cookie = xcb_set_clip_rectangles_checked(b->conn, XCB_CLIP_ORDERING_UNSORTED,
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output->gc,
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0, 0, nrects,
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output_rects);
|
|
err = xcb_request_check(b->conn, cookie);
|
|
if (err != NULL) {
|
|
weston_log("Failed to set clip rects, err: %d\n", err->error_code);
|
|
free(err);
|
|
}
|
|
free(output_rects);
|
|
}
|
|
|
|
|
|
static int
|
|
x11_output_repaint_shm(struct weston_output *output_base,
|
|
pixman_region32_t *damage)
|
|
{
|
|
struct x11_output *output = to_x11_output(output_base);
|
|
struct weston_compositor *ec;
|
|
struct x11_backend *b;
|
|
xcb_void_cookie_t cookie;
|
|
xcb_generic_error_t *err;
|
|
|
|
assert(output);
|
|
|
|
ec = output->base.compositor;
|
|
b = output->backend;
|
|
|
|
pixman_renderer_output_set_buffer(output_base, output->hw_surface);
|
|
ec->renderer->repaint_output(output_base, damage);
|
|
|
|
pixman_region32_subtract(&ec->primary_plane.damage,
|
|
&ec->primary_plane.damage, damage);
|
|
set_clip_for_output(output_base, damage);
|
|
cookie = xcb_shm_put_image_checked(b->conn, output->window, output->gc,
|
|
pixman_image_get_width(output->hw_surface),
|
|
pixman_image_get_height(output->hw_surface),
|
|
0, 0,
|
|
pixman_image_get_width(output->hw_surface),
|
|
pixman_image_get_height(output->hw_surface),
|
|
0, 0, output->depth, XCB_IMAGE_FORMAT_Z_PIXMAP,
|
|
0, output->segment, 0);
|
|
err = xcb_request_check(b->conn, cookie);
|
|
if (err != NULL) {
|
|
weston_log("Failed to put shm image, err: %d\n", err->error_code);
|
|
free(err);
|
|
}
|
|
|
|
wl_event_source_timer_update(output->finish_frame_timer, 10);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
finish_frame_handler(void *data)
|
|
{
|
|
struct x11_output *output = data;
|
|
struct timespec ts;
|
|
|
|
weston_compositor_read_presentation_clock(output->base.compositor, &ts);
|
|
weston_output_finish_frame(&output->base, &ts, 0);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
x11_output_deinit_shm(struct x11_backend *b, struct x11_output *output)
|
|
{
|
|
xcb_void_cookie_t cookie;
|
|
xcb_generic_error_t *err;
|
|
xcb_free_gc(b->conn, output->gc);
|
|
|
|
pixman_image_unref(output->hw_surface);
|
|
output->hw_surface = NULL;
|
|
cookie = xcb_shm_detach_checked(b->conn, output->segment);
|
|
err = xcb_request_check(b->conn, cookie);
|
|
if (err) {
|
|
weston_log("xcb_shm_detach failed, error %d\n", err->error_code);
|
|
free(err);
|
|
}
|
|
shmdt(output->buf);
|
|
}
|
|
|
|
static void
|
|
x11_output_set_wm_protocols(struct x11_backend *b,
|
|
struct x11_output *output)
|
|
{
|
|
xcb_atom_t list[1];
|
|
|
|
list[0] = b->atom.wm_delete_window;
|
|
xcb_change_property (b->conn,
|
|
XCB_PROP_MODE_REPLACE,
|
|
output->window,
|
|
b->atom.wm_protocols,
|
|
XCB_ATOM_ATOM,
|
|
32,
|
|
ARRAY_LENGTH(list),
|
|
list);
|
|
}
|
|
|
|
struct wm_normal_hints {
|
|
uint32_t flags;
|
|
uint32_t pad[4];
|
|
int32_t min_width, min_height;
|
|
int32_t max_width, max_height;
|
|
int32_t width_inc, height_inc;
|
|
int32_t min_aspect_x, min_aspect_y;
|
|
int32_t max_aspect_x, max_aspect_y;
|
|
int32_t base_width, base_height;
|
|
int32_t win_gravity;
|
|
};
|
|
|
|
#define WM_NORMAL_HINTS_MIN_SIZE 16
|
|
#define WM_NORMAL_HINTS_MAX_SIZE 32
|
|
|
|
static void
|
|
x11_output_set_icon(struct x11_backend *b,
|
|
struct x11_output *output, const char *filename)
|
|
{
|
|
uint32_t *icon;
|
|
int32_t width, height;
|
|
pixman_image_t *image;
|
|
|
|
image = load_image(filename);
|
|
if (!image)
|
|
return;
|
|
width = pixman_image_get_width(image);
|
|
height = pixman_image_get_height(image);
|
|
icon = malloc(width * height * 4 + 8);
|
|
if (!icon) {
|
|
pixman_image_unref(image);
|
|
return;
|
|
}
|
|
|
|
icon[0] = width;
|
|
icon[1] = height;
|
|
memcpy(icon + 2, pixman_image_get_data(image), width * height * 4);
|
|
xcb_change_property(b->conn, XCB_PROP_MODE_REPLACE, output->window,
|
|
b->atom.net_wm_icon, b->atom.cardinal, 32,
|
|
width * height + 2, icon);
|
|
free(icon);
|
|
pixman_image_unref(image);
|
|
}
|
|
|
|
static void
|
|
x11_output_wait_for_map(struct x11_backend *b, struct x11_output *output)
|
|
{
|
|
xcb_map_notify_event_t *map_notify;
|
|
xcb_configure_notify_event_t *configure_notify;
|
|
xcb_generic_event_t *event;
|
|
int mapped = 0, configured = 0;
|
|
uint8_t response_type;
|
|
|
|
/* This isn't the nicest way to do this. Ideally, we could
|
|
* just go back to the main loop and once we get the configure
|
|
* notify, we add the output to the compositor. While we do
|
|
* support output hotplug, we can't start up with no outputs.
|
|
* We could add the output and then resize once we get the
|
|
* configure notify, but we don't want to start up and
|
|
* immediately resize the output.
|
|
*
|
|
* Also, some window managers don't give us our final
|
|
* fullscreen size before map_notify, so if we don't get a
|
|
* configure_notify before map_notify, we just wait for the
|
|
* first one and hope that's our size. */
|
|
|
|
xcb_flush(b->conn);
|
|
|
|
while (!mapped || !configured) {
|
|
event = xcb_wait_for_event(b->conn);
|
|
response_type = event->response_type & ~0x80;
|
|
|
|
switch (response_type) {
|
|
case XCB_MAP_NOTIFY:
|
|
map_notify = (xcb_map_notify_event_t *) event;
|
|
if (map_notify->window == output->window)
|
|
mapped = 1;
|
|
break;
|
|
|
|
case XCB_CONFIGURE_NOTIFY:
|
|
configure_notify =
|
|
(xcb_configure_notify_event_t *) event;
|
|
|
|
|
|
if (configure_notify->width % output->scale != 0 ||
|
|
configure_notify->height % output->scale != 0)
|
|
weston_log("Resolution is not a multiple of screen size, rounding\n");
|
|
output->mode.width = configure_notify->width;
|
|
output->mode.height = configure_notify->height;
|
|
configured = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static xcb_visualtype_t *
|
|
find_visual_by_id(xcb_screen_t *screen,
|
|
xcb_visualid_t id)
|
|
{
|
|
xcb_depth_iterator_t i;
|
|
xcb_visualtype_iterator_t j;
|
|
for (i = xcb_screen_allowed_depths_iterator(screen);
|
|
i.rem;
|
|
xcb_depth_next(&i)) {
|
|
for (j = xcb_depth_visuals_iterator(i.data);
|
|
j.rem;
|
|
xcb_visualtype_next(&j)) {
|
|
if (j.data->visual_id == id)
|
|
return j.data;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static uint8_t
|
|
get_depth_of_visual(xcb_screen_t *screen,
|
|
xcb_visualid_t id)
|
|
{
|
|
xcb_depth_iterator_t i;
|
|
xcb_visualtype_iterator_t j;
|
|
for (i = xcb_screen_allowed_depths_iterator(screen);
|
|
i.rem;
|
|
xcb_depth_next(&i)) {
|
|
for (j = xcb_depth_visuals_iterator(i.data);
|
|
j.rem;
|
|
xcb_visualtype_next(&j)) {
|
|
if (j.data->visual_id == id)
|
|
return i.data->depth;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
x11_output_init_shm(struct x11_backend *b, struct x11_output *output,
|
|
int width, int height)
|
|
{
|
|
xcb_visualtype_t *visual_type;
|
|
xcb_screen_t *screen;
|
|
xcb_format_iterator_t fmt;
|
|
xcb_void_cookie_t cookie;
|
|
xcb_generic_error_t *err;
|
|
const xcb_query_extension_reply_t *ext;
|
|
int bitsperpixel = 0;
|
|
pixman_format_code_t pixman_format;
|
|
|
|
/* Check if SHM is available */
|
|
ext = xcb_get_extension_data(b->conn, &xcb_shm_id);
|
|
if (ext == NULL || !ext->present) {
|
|
/* SHM is missing */
|
|
weston_log("SHM extension is not available\n");
|
|
errno = ENOENT;
|
|
return -1;
|
|
}
|
|
|
|
screen = x11_compositor_get_default_screen(b);
|
|
visual_type = find_visual_by_id(screen, screen->root_visual);
|
|
if (!visual_type) {
|
|
weston_log("Failed to lookup visual for root window\n");
|
|
errno = ENOENT;
|
|
return -1;
|
|
}
|
|
weston_log("Found visual, bits per value: %d, red_mask: %.8x, green_mask: %.8x, blue_mask: %.8x\n",
|
|
visual_type->bits_per_rgb_value,
|
|
visual_type->red_mask,
|
|
visual_type->green_mask,
|
|
visual_type->blue_mask);
|
|
output->depth = get_depth_of_visual(screen, screen->root_visual);
|
|
weston_log("Visual depth is %d\n", output->depth);
|
|
|
|
for (fmt = xcb_setup_pixmap_formats_iterator(xcb_get_setup(b->conn));
|
|
fmt.rem;
|
|
xcb_format_next(&fmt)) {
|
|
if (fmt.data->depth == output->depth) {
|
|
bitsperpixel = fmt.data->bits_per_pixel;
|
|
break;
|
|
}
|
|
}
|
|
weston_log("Found format for depth %d, bpp: %d\n",
|
|
output->depth, bitsperpixel);
|
|
|
|
if (bitsperpixel == 32 &&
|
|
visual_type->red_mask == 0xff0000 &&
|
|
visual_type->green_mask == 0x00ff00 &&
|
|
visual_type->blue_mask == 0x0000ff) {
|
|
weston_log("Will use x8r8g8b8 format for SHM surfaces\n");
|
|
pixman_format = PIXMAN_x8r8g8b8;
|
|
} else if (bitsperpixel == 16 &&
|
|
visual_type->red_mask == 0x00f800 &&
|
|
visual_type->green_mask == 0x0007e0 &&
|
|
visual_type->blue_mask == 0x00001f) {
|
|
weston_log("Will use r5g6b5 format for SHM surfaces\n");
|
|
pixman_format = PIXMAN_r5g6b5;
|
|
} else {
|
|
weston_log("Can't find appropriate format for SHM pixmap\n");
|
|
errno = ENOTSUP;
|
|
return -1;
|
|
}
|
|
|
|
|
|
/* Create SHM segment and attach it */
|
|
output->shm_id = shmget(IPC_PRIVATE, width * height * (bitsperpixel / 8), IPC_CREAT | S_IRWXU);
|
|
if (output->shm_id == -1) {
|
|
weston_log("x11shm: failed to allocate SHM segment\n");
|
|
return -1;
|
|
}
|
|
output->buf = shmat(output->shm_id, NULL, 0 /* read/write */);
|
|
if (-1 == (long)output->buf) {
|
|
weston_log("x11shm: failed to attach SHM segment\n");
|
|
return -1;
|
|
}
|
|
output->segment = xcb_generate_id(b->conn);
|
|
cookie = xcb_shm_attach_checked(b->conn, output->segment, output->shm_id, 1);
|
|
err = xcb_request_check(b->conn, cookie);
|
|
if (err) {
|
|
weston_log("x11shm: xcb_shm_attach error %d, op code %d, resource id %d\n",
|
|
err->error_code, err->major_code, err->minor_code);
|
|
free(err);
|
|
return -1;
|
|
}
|
|
|
|
shmctl(output->shm_id, IPC_RMID, NULL);
|
|
|
|
/* Now create pixman image */
|
|
output->hw_surface = pixman_image_create_bits(pixman_format, width, height, output->buf,
|
|
width * (bitsperpixel / 8));
|
|
|
|
output->gc = xcb_generate_id(b->conn);
|
|
xcb_create_gc(b->conn, output->gc, output->window, 0, NULL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
x11_output_switch_mode(struct weston_output *base, struct weston_mode *mode)
|
|
{
|
|
struct x11_backend *b;
|
|
struct x11_output *output = to_x11_output(base);
|
|
struct weston_size fb_size;
|
|
static uint32_t values[2];
|
|
|
|
assert(output);
|
|
|
|
b = output->backend;
|
|
|
|
if (mode->width == output->mode.width &&
|
|
mode->height == output->mode.height)
|
|
return 0;
|
|
|
|
if (mode->width < WINDOW_MIN_WIDTH || mode->width > WINDOW_MAX_WIDTH)
|
|
return -1;
|
|
|
|
if (mode->height < WINDOW_MIN_HEIGHT || mode->height > WINDOW_MAX_HEIGHT)
|
|
return -1;
|
|
|
|
/* xcb_configure_window will create an event, and we could end up
|
|
being called twice */
|
|
output->resize_pending = true;
|
|
|
|
/* window could've been resized by the user, so don't do it twice */
|
|
if (!output->window_resized) {
|
|
values[0] = mode->width;
|
|
values[1] = mode->height;
|
|
xcb_configure_window(b->conn, output->window, XCB_CONFIG_WINDOW_WIDTH |
|
|
XCB_CONFIG_WINDOW_HEIGHT, values);
|
|
}
|
|
|
|
fb_size.width = output->mode.width = mode->width;
|
|
fb_size.height = output->mode.height = mode->height;
|
|
|
|
weston_renderer_resize_output(&output->base, &fb_size, NULL);
|
|
|
|
if (base->compositor->renderer->type == WESTON_RENDERER_PIXMAN) {
|
|
x11_output_deinit_shm(b, output);
|
|
if (x11_output_init_shm(b, output,
|
|
fb_size.width, fb_size.height) < 0) {
|
|
weston_log("Failed to initialize SHM for the X11 output\n");
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
output->resize_pending = false;
|
|
output->window_resized = false;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
x11_output_disable(struct weston_output *base)
|
|
{
|
|
struct x11_output *output = to_x11_output(base);
|
|
struct x11_backend *backend;
|
|
|
|
assert(output);
|
|
|
|
backend = output->backend;
|
|
|
|
if (!output->base.enabled)
|
|
return 0;
|
|
|
|
wl_event_source_remove(output->finish_frame_timer);
|
|
|
|
if (base->compositor->renderer->type == WESTON_RENDERER_PIXMAN) {
|
|
pixman_renderer_output_destroy(&output->base);
|
|
x11_output_deinit_shm(backend, output);
|
|
} else {
|
|
gl_renderer->output_destroy(&output->base);
|
|
}
|
|
|
|
xcb_destroy_window(backend->conn, output->window);
|
|
xcb_flush(backend->conn);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
x11_output_destroy(struct weston_output *base)
|
|
{
|
|
struct x11_output *output = to_x11_output(base);
|
|
|
|
assert(output);
|
|
|
|
x11_output_disable(&output->base);
|
|
weston_output_release(&output->base);
|
|
|
|
free(output);
|
|
}
|
|
|
|
static int
|
|
x11_output_enable(struct weston_output *base)
|
|
{
|
|
struct x11_output *output = to_x11_output(base);
|
|
const struct weston_mode *mode = output->base.current_mode;
|
|
struct x11_backend *b;
|
|
|
|
assert(output);
|
|
|
|
b = output->backend;
|
|
|
|
static const char name[] = "Weston Compositor";
|
|
static const char class[] = "weston-1\0Weston Compositor";
|
|
char *title = NULL;
|
|
xcb_screen_t *screen;
|
|
struct wm_normal_hints normal_hints;
|
|
struct wl_event_loop *loop;
|
|
char *icon_filename;
|
|
|
|
int ret;
|
|
uint32_t mask = XCB_CW_EVENT_MASK | XCB_CW_CURSOR;
|
|
xcb_atom_t atom_list[1];
|
|
uint32_t values[2] = {
|
|
XCB_EVENT_MASK_EXPOSURE |
|
|
XCB_EVENT_MASK_STRUCTURE_NOTIFY,
|
|
0
|
|
};
|
|
|
|
if (!b->no_input)
|
|
values[0] |=
|
|
XCB_EVENT_MASK_KEY_PRESS |
|
|
XCB_EVENT_MASK_KEY_RELEASE |
|
|
XCB_EVENT_MASK_BUTTON_PRESS |
|
|
XCB_EVENT_MASK_BUTTON_RELEASE |
|
|
XCB_EVENT_MASK_POINTER_MOTION |
|
|
XCB_EVENT_MASK_ENTER_WINDOW |
|
|
XCB_EVENT_MASK_LEAVE_WINDOW |
|
|
XCB_EVENT_MASK_KEYMAP_STATE |
|
|
XCB_EVENT_MASK_FOCUS_CHANGE;
|
|
|
|
values[1] = b->null_cursor;
|
|
output->window = xcb_generate_id(b->conn);
|
|
screen = x11_compositor_get_default_screen(b);
|
|
xcb_create_window(b->conn,
|
|
XCB_COPY_FROM_PARENT,
|
|
output->window,
|
|
screen->root,
|
|
0, 0,
|
|
mode->width, mode->height,
|
|
0,
|
|
XCB_WINDOW_CLASS_INPUT_OUTPUT,
|
|
screen->root_visual,
|
|
mask, values);
|
|
|
|
if (b->fullscreen) {
|
|
atom_list[0] = b->atom.net_wm_state_fullscreen;
|
|
xcb_change_property(b->conn, XCB_PROP_MODE_REPLACE,
|
|
output->window,
|
|
b->atom.net_wm_state,
|
|
XCB_ATOM_ATOM, 32,
|
|
ARRAY_LENGTH(atom_list), atom_list);
|
|
} else {
|
|
memset(&normal_hints, 0, sizeof normal_hints);
|
|
normal_hints.flags =
|
|
WM_NORMAL_HINTS_MAX_SIZE | WM_NORMAL_HINTS_MIN_SIZE;
|
|
normal_hints.min_width = WINDOW_MIN_WIDTH;
|
|
normal_hints.min_height = WINDOW_MIN_HEIGHT;
|
|
normal_hints.max_width = WINDOW_MAX_WIDTH;
|
|
normal_hints.max_height = WINDOW_MAX_HEIGHT;
|
|
xcb_change_property(b->conn, XCB_PROP_MODE_REPLACE, output->window,
|
|
b->atom.wm_normal_hints,
|
|
b->atom.wm_size_hints, 32,
|
|
sizeof normal_hints / 4,
|
|
(uint8_t *) &normal_hints);
|
|
}
|
|
|
|
/* Set window name. Don't bother with non-EWMH WMs. */
|
|
if (output->base.name) {
|
|
if (asprintf(&title, "%s - %s", name, output->base.name) < 0)
|
|
title = NULL;
|
|
} else {
|
|
title = strdup(name);
|
|
}
|
|
|
|
if (title) {
|
|
xcb_change_property(b->conn, XCB_PROP_MODE_REPLACE, output->window,
|
|
b->atom.net_wm_name, b->atom.utf8_string, 8,
|
|
strlen(title), title);
|
|
free(title);
|
|
} else {
|
|
goto err;
|
|
}
|
|
|
|
xcb_change_property(b->conn, XCB_PROP_MODE_REPLACE, output->window,
|
|
b->atom.wm_class, b->atom.string, 8,
|
|
sizeof class, class);
|
|
|
|
icon_filename = file_name_with_datadir("wayland.png");
|
|
x11_output_set_icon(b, output, icon_filename);
|
|
free(icon_filename);
|
|
|
|
x11_output_set_wm_protocols(b, output);
|
|
|
|
xcb_map_window(b->conn, output->window);
|
|
|
|
if (b->fullscreen)
|
|
x11_output_wait_for_map(b, output);
|
|
|
|
if (base->compositor->renderer->type == WESTON_RENDERER_PIXMAN) {
|
|
const struct pixman_renderer_output_options options = {
|
|
.use_shadow = true,
|
|
.fb_size = {
|
|
.width = mode->width,
|
|
.height = mode->height
|
|
},
|
|
};
|
|
if (x11_output_init_shm(b, output,
|
|
mode->width, mode->height) < 0) {
|
|
weston_log("Failed to initialize SHM for the X11 output\n");
|
|
goto err;
|
|
}
|
|
if (pixman_renderer_output_create(&output->base, &options) < 0) {
|
|
weston_log("Failed to create pixman renderer for output\n");
|
|
x11_output_deinit_shm(b, output);
|
|
goto err;
|
|
}
|
|
|
|
output->base.repaint = x11_output_repaint_shm;
|
|
} else {
|
|
/* eglCreatePlatformWindowSurfaceEXT takes a Window*
|
|
* but eglCreateWindowSurface takes a Window. */
|
|
Window xid = (Window) output->window;
|
|
const struct gl_renderer_output_options options = {
|
|
.window_for_legacy = (EGLNativeWindowType) (uintptr_t) output->window,
|
|
.window_for_platform = &xid,
|
|
.drm_formats = x11_formats,
|
|
.drm_formats_count = ARRAY_LENGTH(x11_formats),
|
|
.area.x = 0,
|
|
.area.y = 0,
|
|
.area.width = mode->width,
|
|
.area.height = mode->height,
|
|
.fb_size.width = mode->width,
|
|
.fb_size.height = mode->height,
|
|
};
|
|
|
|
ret = gl_renderer->output_window_create(&output->base,
|
|
&options);
|
|
if (ret < 0)
|
|
goto err;
|
|
|
|
output->base.repaint = x11_output_repaint_gl;
|
|
}
|
|
|
|
output->base.start_repaint_loop = x11_output_start_repaint_loop;
|
|
output->base.assign_planes = NULL;
|
|
output->base.set_backlight = NULL;
|
|
output->base.set_dpms = NULL;
|
|
output->base.switch_mode = x11_output_switch_mode;
|
|
|
|
loop = wl_display_get_event_loop(b->compositor->wl_display);
|
|
output->finish_frame_timer =
|
|
wl_event_loop_add_timer(loop, finish_frame_handler, output);
|
|
|
|
weston_log("x11 output %dx%d, window id %d\n",
|
|
mode->width, mode->height, output->window);
|
|
|
|
return 0;
|
|
|
|
err:
|
|
xcb_destroy_window(b->conn, output->window);
|
|
xcb_flush(b->conn);
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
x11_output_set_size(struct weston_output *base, int width, int height)
|
|
{
|
|
struct x11_output *output = to_x11_output(base);
|
|
struct x11_backend *b;
|
|
struct weston_head *head;
|
|
xcb_screen_t *scrn;
|
|
int output_width, output_height;
|
|
|
|
if (!output)
|
|
return -1;
|
|
|
|
b = output->backend;
|
|
scrn = b->screen;
|
|
|
|
/* We can only be called once. */
|
|
assert(!output->base.current_mode);
|
|
|
|
/* Make sure we have scale set. */
|
|
assert(output->base.scale);
|
|
|
|
if (width < WINDOW_MIN_WIDTH) {
|
|
weston_log("Invalid width \"%d\" for output %s\n",
|
|
width, output->base.name);
|
|
return -1;
|
|
}
|
|
|
|
if (height < WINDOW_MIN_HEIGHT) {
|
|
weston_log("Invalid height \"%d\" for output %s\n",
|
|
height, output->base.name);
|
|
return -1;
|
|
}
|
|
|
|
wl_list_for_each(head, &output->base.head_list, output_link) {
|
|
weston_head_set_monitor_strings(head, "weston-X11", "none", NULL);
|
|
weston_head_set_physical_size(head,
|
|
width * scrn->width_in_millimeters / scrn->width_in_pixels,
|
|
height * scrn->height_in_millimeters / scrn->height_in_pixels);
|
|
}
|
|
|
|
output_width = width * output->base.scale;
|
|
output_height = height * output->base.scale;
|
|
|
|
output->mode.flags =
|
|
WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED;
|
|
|
|
output->mode.width = output_width;
|
|
output->mode.height = output_height;
|
|
output->mode.refresh = 60000;
|
|
output->native = output->mode;
|
|
output->scale = output->base.scale;
|
|
wl_list_insert(&output->base.mode_list, &output->mode.link);
|
|
|
|
output->base.current_mode = &output->mode;
|
|
output->base.native_mode = &output->native;
|
|
output->base.native_scale = output->base.scale;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct weston_output *
|
|
x11_output_create(struct weston_backend *backend, const char *name)
|
|
{
|
|
struct x11_backend *b = container_of(backend, struct x11_backend, base);
|
|
struct weston_compositor *compositor = b->compositor;
|
|
struct x11_output *output;
|
|
|
|
/* name can't be NULL. */
|
|
assert(name);
|
|
|
|
output = zalloc(sizeof *output);
|
|
if (!output)
|
|
return NULL;
|
|
|
|
weston_output_init(&output->base, compositor, name);
|
|
|
|
output->base.destroy = x11_output_destroy;
|
|
output->base.disable = x11_output_disable;
|
|
output->base.enable = x11_output_enable;
|
|
output->base.attach_head = NULL;
|
|
|
|
output->backend = b;
|
|
|
|
weston_compositor_add_pending_output(&output->base, compositor);
|
|
|
|
return &output->base;
|
|
}
|
|
|
|
static int
|
|
x11_head_create(struct weston_compositor *compositor, const char *name)
|
|
{
|
|
struct x11_backend *backend = to_x11_backend(compositor);
|
|
struct x11_head *head;
|
|
|
|
assert(name);
|
|
|
|
head = zalloc(sizeof *head);
|
|
if (!head)
|
|
return -1;
|
|
|
|
weston_head_init(&head->base, name);
|
|
|
|
head->base.backend = &backend->base;
|
|
|
|
weston_head_set_connection_status(&head->base, true);
|
|
weston_compositor_add_head(compositor, &head->base);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
x11_head_destroy(struct weston_head *base)
|
|
{
|
|
struct x11_head *head = to_x11_head(base);
|
|
|
|
assert(head);
|
|
|
|
weston_head_release(&head->base);
|
|
free(head);
|
|
}
|
|
|
|
static struct x11_output *
|
|
x11_backend_find_output(struct x11_backend *b, xcb_window_t window)
|
|
{
|
|
struct x11_output *output;
|
|
|
|
wl_list_for_each(output, &b->compositor->output_list, base.link) {
|
|
if (output->window == window)
|
|
return output;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
x11_backend_delete_window(struct x11_backend *b, xcb_window_t window)
|
|
{
|
|
struct x11_output *output;
|
|
|
|
output = x11_backend_find_output(b, window);
|
|
if (output)
|
|
x11_output_destroy(&output->base);
|
|
|
|
if (wl_list_empty(&b->compositor->output_list))
|
|
weston_compositor_exit(b->compositor);
|
|
}
|
|
|
|
static void delete_cb(void *data)
|
|
{
|
|
struct window_delete_data *wd = data;
|
|
|
|
x11_backend_delete_window(wd->backend, wd->window);
|
|
free(wd);
|
|
}
|
|
|
|
#ifdef HAVE_XCB_XKB
|
|
static void
|
|
update_xkb_state(struct x11_backend *b, xcb_xkb_state_notify_event_t *state)
|
|
{
|
|
struct weston_keyboard *keyboard =
|
|
weston_seat_get_keyboard(&b->core_seat);
|
|
|
|
xkb_state_update_mask(keyboard->xkb_state.state,
|
|
get_xkb_mod_mask(b, state->baseMods),
|
|
get_xkb_mod_mask(b, state->latchedMods),
|
|
get_xkb_mod_mask(b, state->lockedMods),
|
|
0,
|
|
0,
|
|
state->group);
|
|
|
|
notify_modifiers(&b->core_seat,
|
|
wl_display_next_serial(b->compositor->wl_display));
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* This is monumentally unpleasant. If we don't have XCB-XKB bindings,
|
|
* the best we can do (given that XCB also lacks XI2 support), is to take
|
|
* the state from the core key events. Unfortunately that only gives us
|
|
* the effective (i.e. union of depressed/latched/locked) state, and we
|
|
* need the granularity.
|
|
*
|
|
* So we still update the state with every key event we see, but also use
|
|
* the state field from X11 events as a mask so we don't get any stuck
|
|
* modifiers.
|
|
*/
|
|
static void
|
|
update_xkb_state_from_core(struct x11_backend *b, uint16_t x11_mask)
|
|
{
|
|
uint32_t mask = get_xkb_mod_mask(b, x11_mask);
|
|
struct weston_keyboard *keyboard
|
|
= weston_seat_get_keyboard(&b->core_seat);
|
|
|
|
xkb_state_update_mask(keyboard->xkb_state.state,
|
|
keyboard->modifiers.mods_depressed & mask,
|
|
keyboard->modifiers.mods_latched & mask,
|
|
keyboard->modifiers.mods_locked & mask,
|
|
0,
|
|
0,
|
|
(x11_mask >> 13) & 3);
|
|
notify_modifiers(&b->core_seat,
|
|
wl_display_next_serial(b->compositor->wl_display));
|
|
}
|
|
|
|
static void
|
|
x11_backend_deliver_button_event(struct x11_backend *b,
|
|
xcb_generic_event_t *event)
|
|
{
|
|
xcb_button_press_event_t *button_event =
|
|
(xcb_button_press_event_t *) event;
|
|
uint32_t button;
|
|
struct x11_output *output;
|
|
struct weston_pointer_axis_event weston_event;
|
|
bool is_button_pressed = event->response_type == XCB_BUTTON_PRESS;
|
|
struct timespec time = { 0 };
|
|
|
|
assert(event->response_type == XCB_BUTTON_PRESS ||
|
|
event->response_type == XCB_BUTTON_RELEASE);
|
|
|
|
output = x11_backend_find_output(b, button_event->event);
|
|
if (!output)
|
|
return;
|
|
|
|
if (is_button_pressed)
|
|
xcb_grab_pointer(b->conn, 0, output->window,
|
|
XCB_EVENT_MASK_BUTTON_PRESS |
|
|
XCB_EVENT_MASK_BUTTON_RELEASE |
|
|
XCB_EVENT_MASK_POINTER_MOTION |
|
|
XCB_EVENT_MASK_ENTER_WINDOW |
|
|
XCB_EVENT_MASK_LEAVE_WINDOW,
|
|
XCB_GRAB_MODE_ASYNC,
|
|
XCB_GRAB_MODE_ASYNC,
|
|
output->window, XCB_CURSOR_NONE,
|
|
button_event->time);
|
|
else
|
|
xcb_ungrab_pointer(b->conn, button_event->time);
|
|
|
|
if (!b->has_xkb)
|
|
update_xkb_state_from_core(b, button_event->state);
|
|
|
|
switch (button_event->detail) {
|
|
case 1:
|
|
button = BTN_LEFT;
|
|
break;
|
|
case 2:
|
|
button = BTN_MIDDLE;
|
|
break;
|
|
case 3:
|
|
button = BTN_RIGHT;
|
|
break;
|
|
case 4:
|
|
/* Axis are measured in pixels, but the xcb events are discrete
|
|
* steps. Therefore move the axis by some pixels every step. */
|
|
if (is_button_pressed) {
|
|
weston_event.value = -DEFAULT_AXIS_STEP_DISTANCE;
|
|
weston_event.discrete = -1;
|
|
weston_event.has_discrete = true;
|
|
weston_event.axis =
|
|
WL_POINTER_AXIS_VERTICAL_SCROLL;
|
|
weston_compositor_get_time(&time);
|
|
notify_axis(&b->core_seat, &time, &weston_event);
|
|
notify_pointer_frame(&b->core_seat);
|
|
}
|
|
return;
|
|
case 5:
|
|
if (is_button_pressed) {
|
|
weston_event.value = DEFAULT_AXIS_STEP_DISTANCE;
|
|
weston_event.discrete = 1;
|
|
weston_event.has_discrete = true;
|
|
weston_event.axis =
|
|
WL_POINTER_AXIS_VERTICAL_SCROLL;
|
|
weston_compositor_get_time(&time);
|
|
notify_axis(&b->core_seat, &time, &weston_event);
|
|
notify_pointer_frame(&b->core_seat);
|
|
}
|
|
return;
|
|
case 6:
|
|
if (is_button_pressed) {
|
|
weston_event.value = -DEFAULT_AXIS_STEP_DISTANCE;
|
|
weston_event.discrete = -1;
|
|
weston_event.has_discrete = true;
|
|
weston_event.axis =
|
|
WL_POINTER_AXIS_HORIZONTAL_SCROLL;
|
|
weston_compositor_get_time(&time);
|
|
notify_axis(&b->core_seat, &time, &weston_event);
|
|
notify_pointer_frame(&b->core_seat);
|
|
}
|
|
return;
|
|
case 7:
|
|
if (is_button_pressed) {
|
|
weston_event.value = DEFAULT_AXIS_STEP_DISTANCE;
|
|
weston_event.discrete = 1;
|
|
weston_event.has_discrete = true;
|
|
weston_event.axis =
|
|
WL_POINTER_AXIS_HORIZONTAL_SCROLL;
|
|
weston_compositor_get_time(&time);
|
|
notify_axis(&b->core_seat, &time, &weston_event);
|
|
notify_pointer_frame(&b->core_seat);
|
|
}
|
|
return;
|
|
default:
|
|
button = button_event->detail + BTN_SIDE - 8;
|
|
break;
|
|
}
|
|
|
|
weston_compositor_get_time(&time);
|
|
|
|
notify_button(&b->core_seat, &time, button,
|
|
is_button_pressed ? WL_POINTER_BUTTON_STATE_PRESSED :
|
|
WL_POINTER_BUTTON_STATE_RELEASED);
|
|
notify_pointer_frame(&b->core_seat);
|
|
}
|
|
|
|
static void
|
|
x11_backend_deliver_motion_event(struct x11_backend *b,
|
|
xcb_generic_event_t *event)
|
|
{
|
|
struct x11_output *output;
|
|
double x, y;
|
|
struct weston_pointer_motion_event motion_event = { 0 };
|
|
xcb_motion_notify_event_t *motion_notify =
|
|
(xcb_motion_notify_event_t *) event;
|
|
struct timespec time;
|
|
|
|
if (!b->has_xkb)
|
|
update_xkb_state_from_core(b, motion_notify->state);
|
|
output = x11_backend_find_output(b, motion_notify->event);
|
|
if (!output)
|
|
return;
|
|
|
|
weston_output_transform_coordinate(&output->base,
|
|
motion_notify->event_x,
|
|
motion_notify->event_y,
|
|
&x, &y);
|
|
|
|
motion_event = (struct weston_pointer_motion_event) {
|
|
.mask = WESTON_POINTER_MOTION_REL,
|
|
.dx = x - b->prev_x,
|
|
.dy = y - b->prev_y
|
|
};
|
|
|
|
weston_compositor_get_time(&time);
|
|
notify_motion(&b->core_seat, &time, &motion_event);
|
|
notify_pointer_frame(&b->core_seat);
|
|
|
|
b->prev_x = x;
|
|
b->prev_y = y;
|
|
}
|
|
|
|
static void
|
|
x11_backend_deliver_enter_event(struct x11_backend *b,
|
|
xcb_generic_event_t *event)
|
|
{
|
|
struct x11_output *output;
|
|
double x, y;
|
|
|
|
xcb_enter_notify_event_t *enter_notify =
|
|
(xcb_enter_notify_event_t *) event;
|
|
if (enter_notify->state >= Button1Mask)
|
|
return;
|
|
if (!b->has_xkb)
|
|
update_xkb_state_from_core(b, enter_notify->state);
|
|
output = x11_backend_find_output(b, enter_notify->event);
|
|
if (!output)
|
|
return;
|
|
|
|
weston_output_transform_coordinate(&output->base,
|
|
enter_notify->event_x,
|
|
enter_notify->event_y, &x, &y);
|
|
|
|
notify_pointer_focus(&b->core_seat, &output->base, x, y);
|
|
|
|
b->prev_x = x;
|
|
b->prev_y = y;
|
|
}
|
|
|
|
static int
|
|
x11_backend_next_event(struct x11_backend *b,
|
|
xcb_generic_event_t **event, uint32_t mask)
|
|
{
|
|
if (mask & WL_EVENT_READABLE)
|
|
*event = xcb_poll_for_event(b->conn);
|
|
else
|
|
*event = xcb_poll_for_queued_event(b->conn);
|
|
|
|
return *event != NULL;
|
|
}
|
|
|
|
static int
|
|
x11_backend_handle_event(int fd, uint32_t mask, void *data)
|
|
{
|
|
struct x11_backend *b = data;
|
|
struct x11_output *output;
|
|
xcb_generic_event_t *event;
|
|
xcb_client_message_event_t *client_message;
|
|
xcb_enter_notify_event_t *enter_notify;
|
|
xcb_key_press_event_t *key_press, *key_release;
|
|
xcb_keymap_notify_event_t *keymap_notify;
|
|
xcb_focus_in_event_t *focus_in;
|
|
xcb_expose_event_t *expose;
|
|
xcb_configure_notify_event_t *configure;
|
|
xcb_atom_t atom;
|
|
xcb_window_t window;
|
|
uint32_t *k;
|
|
uint32_t i, set;
|
|
uint8_t response_type;
|
|
int count;
|
|
struct timespec time;
|
|
|
|
count = 0;
|
|
while (x11_backend_next_event(b, &event, mask)) {
|
|
response_type = event->response_type & ~0x80;
|
|
|
|
switch (b->prev_event ? b->prev_event->response_type & ~0x80 : 0x80) {
|
|
case XCB_KEY_RELEASE:
|
|
/* Suppress key repeat events; this is only used if we
|
|
* don't have XCB XKB support. */
|
|
key_release = (xcb_key_press_event_t *) b->prev_event;
|
|
key_press = (xcb_key_press_event_t *) event;
|
|
if (response_type == XCB_KEY_PRESS &&
|
|
key_release->time == key_press->time &&
|
|
key_release->detail == key_press->detail) {
|
|
/* Don't deliver the held key release
|
|
* event or the new key press event. */
|
|
free(event);
|
|
free(b->prev_event);
|
|
b->prev_event = NULL;
|
|
continue;
|
|
} else {
|
|
/* Deliver the held key release now
|
|
* and fall through and handle the new
|
|
* event below. */
|
|
update_xkb_state_from_core(b, key_release->state);
|
|
weston_compositor_get_time(&time);
|
|
notify_key(&b->core_seat,
|
|
&time,
|
|
key_release->detail - 8,
|
|
WL_KEYBOARD_KEY_STATE_RELEASED,
|
|
STATE_UPDATE_AUTOMATIC);
|
|
free(b->prev_event);
|
|
b->prev_event = NULL;
|
|
break;
|
|
}
|
|
|
|
case XCB_FOCUS_IN:
|
|
assert(response_type == XCB_KEYMAP_NOTIFY);
|
|
keymap_notify = (xcb_keymap_notify_event_t *) event;
|
|
b->keys.size = 0;
|
|
for (i = 0; i < ARRAY_LENGTH(keymap_notify->keys) * 8; i++) {
|
|
set = keymap_notify->keys[i >> 3] &
|
|
(1 << (i & 7));
|
|
if (set) {
|
|
k = wl_array_add(&b->keys, sizeof *k);
|
|
*k = i;
|
|
}
|
|
}
|
|
|
|
/* Unfortunately the state only comes with the enter
|
|
* event, rather than with the focus event. I'm not
|
|
* sure of the exact semantics around it and whether
|
|
* we can ensure that we get both? */
|
|
notify_keyboard_focus_in(&b->core_seat, &b->keys,
|
|
STATE_UPDATE_AUTOMATIC);
|
|
|
|
free(b->prev_event);
|
|
b->prev_event = NULL;
|
|
break;
|
|
|
|
default:
|
|
/* No previous event held */
|
|
break;
|
|
}
|
|
|
|
switch (response_type) {
|
|
case XCB_KEY_PRESS:
|
|
key_press = (xcb_key_press_event_t *) event;
|
|
if (!b->has_xkb)
|
|
update_xkb_state_from_core(b, key_press->state);
|
|
weston_compositor_get_time(&time);
|
|
notify_key(&b->core_seat,
|
|
&time,
|
|
key_press->detail - 8,
|
|
WL_KEYBOARD_KEY_STATE_PRESSED,
|
|
b->has_xkb ? STATE_UPDATE_NONE :
|
|
STATE_UPDATE_AUTOMATIC);
|
|
break;
|
|
case XCB_KEY_RELEASE:
|
|
/* If we don't have XKB, we need to use the lame
|
|
* autorepeat detection above. */
|
|
if (!b->has_xkb) {
|
|
b->prev_event = event;
|
|
break;
|
|
}
|
|
key_release = (xcb_key_press_event_t *) event;
|
|
weston_compositor_get_time(&time);
|
|
notify_key(&b->core_seat,
|
|
&time,
|
|
key_release->detail - 8,
|
|
WL_KEYBOARD_KEY_STATE_RELEASED,
|
|
STATE_UPDATE_NONE);
|
|
break;
|
|
case XCB_BUTTON_PRESS:
|
|
case XCB_BUTTON_RELEASE:
|
|
x11_backend_deliver_button_event(b, event);
|
|
break;
|
|
case XCB_MOTION_NOTIFY:
|
|
x11_backend_deliver_motion_event(b, event);
|
|
break;
|
|
|
|
case XCB_EXPOSE:
|
|
expose = (xcb_expose_event_t *) event;
|
|
output = x11_backend_find_output(b, expose->window);
|
|
if (!output)
|
|
break;
|
|
|
|
weston_output_damage(&output->base);
|
|
weston_output_schedule_repaint(&output->base);
|
|
break;
|
|
|
|
case XCB_ENTER_NOTIFY:
|
|
x11_backend_deliver_enter_event(b, event);
|
|
break;
|
|
|
|
case XCB_LEAVE_NOTIFY:
|
|
enter_notify = (xcb_enter_notify_event_t *) event;
|
|
if (enter_notify->state >= Button1Mask)
|
|
break;
|
|
if (!b->has_xkb)
|
|
update_xkb_state_from_core(b, enter_notify->state);
|
|
clear_pointer_focus(&b->core_seat);
|
|
break;
|
|
|
|
case XCB_CLIENT_MESSAGE:
|
|
client_message = (xcb_client_message_event_t *) event;
|
|
atom = client_message->data.data32[0];
|
|
window = client_message->window;
|
|
if (atom == b->atom.wm_delete_window) {
|
|
struct wl_event_loop *loop;
|
|
struct window_delete_data *data = malloc(sizeof *data);
|
|
|
|
/* if malloc failed we should at least try to
|
|
* delete the window, even if it may result in
|
|
* a crash.
|
|
*/
|
|
if (!data) {
|
|
x11_backend_delete_window(b, window);
|
|
break;
|
|
}
|
|
data->backend = b;
|
|
data->window = window;
|
|
loop = wl_display_get_event_loop(b->compositor->wl_display);
|
|
wl_event_loop_add_idle(loop, delete_cb, data);
|
|
}
|
|
break;
|
|
|
|
case XCB_CONFIGURE_NOTIFY:
|
|
configure = (struct xcb_configure_notify_event_t *) event;
|
|
struct x11_output *output =
|
|
x11_backend_find_output(b, configure->window);
|
|
|
|
if (!output || output->resize_pending)
|
|
break;
|
|
|
|
struct weston_mode mode = output->mode;
|
|
|
|
if (mode.width == configure->width &&
|
|
mode.height == configure->height)
|
|
break;
|
|
|
|
output->window_resized = true;
|
|
|
|
mode.width = configure->width;
|
|
mode.height = configure->height;
|
|
|
|
if (weston_output_mode_set_native(&output->base,
|
|
&mode, output->scale) < 0)
|
|
weston_log("Mode switch failed\n");
|
|
|
|
break;
|
|
|
|
case XCB_FOCUS_IN:
|
|
focus_in = (xcb_focus_in_event_t *) event;
|
|
if (focus_in->mode == XCB_NOTIFY_MODE_WHILE_GRABBED)
|
|
break;
|
|
|
|
b->prev_event = event;
|
|
break;
|
|
|
|
case XCB_FOCUS_OUT:
|
|
focus_in = (xcb_focus_in_event_t *) event;
|
|
if (focus_in->mode == XCB_NOTIFY_MODE_WHILE_GRABBED ||
|
|
focus_in->mode == XCB_NOTIFY_MODE_UNGRAB)
|
|
break;
|
|
notify_keyboard_focus_out(&b->core_seat);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
#ifdef HAVE_XCB_XKB
|
|
if (b->has_xkb) {
|
|
if (response_type == b->xkb_event_base) {
|
|
xcb_xkb_state_notify_event_t *state =
|
|
(xcb_xkb_state_notify_event_t *) event;
|
|
if (state->xkbType == XCB_XKB_STATE_NOTIFY)
|
|
update_xkb_state(b, state);
|
|
} else if (response_type == XCB_PROPERTY_NOTIFY) {
|
|
xcb_property_notify_event_t *prop_notify =
|
|
(xcb_property_notify_event_t *) event;
|
|
if (prop_notify->window == b->screen->root &&
|
|
prop_notify->atom == b->atom.xkb_names &&
|
|
prop_notify->state == XCB_PROPERTY_NEW_VALUE)
|
|
update_xkb_keymap(b);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
count++;
|
|
if (b->prev_event != event)
|
|
free(event);
|
|
}
|
|
|
|
switch (b->prev_event ? b->prev_event->response_type & ~0x80 : 0x80) {
|
|
case XCB_KEY_RELEASE:
|
|
key_release = (xcb_key_press_event_t *) b->prev_event;
|
|
update_xkb_state_from_core(b, key_release->state);
|
|
weston_compositor_get_time(&time);
|
|
notify_key(&b->core_seat,
|
|
&time,
|
|
key_release->detail - 8,
|
|
WL_KEYBOARD_KEY_STATE_RELEASED,
|
|
STATE_UPDATE_AUTOMATIC);
|
|
free(b->prev_event);
|
|
b->prev_event = NULL;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
#define F(field) offsetof(struct x11_backend, field)
|
|
|
|
static void
|
|
x11_backend_get_resources(struct x11_backend *b)
|
|
{
|
|
static const struct { const char *name; int offset; } atoms[] = {
|
|
{ "WM_PROTOCOLS", F(atom.wm_protocols) },
|
|
{ "WM_NORMAL_HINTS", F(atom.wm_normal_hints) },
|
|
{ "WM_SIZE_HINTS", F(atom.wm_size_hints) },
|
|
{ "WM_DELETE_WINDOW", F(atom.wm_delete_window) },
|
|
{ "WM_CLASS", F(atom.wm_class) },
|
|
{ "_NET_WM_NAME", F(atom.net_wm_name) },
|
|
{ "_NET_WM_ICON", F(atom.net_wm_icon) },
|
|
{ "_NET_WM_STATE", F(atom.net_wm_state) },
|
|
{ "_NET_WM_STATE_FULLSCREEN", F(atom.net_wm_state_fullscreen) },
|
|
{ "_NET_SUPPORTING_WM_CHECK",
|
|
F(atom.net_supporting_wm_check) },
|
|
{ "_NET_SUPPORTED", F(atom.net_supported) },
|
|
{ "STRING", F(atom.string) },
|
|
{ "UTF8_STRING", F(atom.utf8_string) },
|
|
{ "CARDINAL", F(atom.cardinal) },
|
|
{ "_XKB_RULES_NAMES", F(atom.xkb_names) },
|
|
};
|
|
|
|
xcb_intern_atom_cookie_t cookies[ARRAY_LENGTH(atoms)];
|
|
xcb_intern_atom_reply_t *reply;
|
|
xcb_pixmap_t pixmap;
|
|
xcb_gc_t gc;
|
|
unsigned int i;
|
|
uint8_t data[] = { 0, 0, 0, 0 };
|
|
|
|
for (i = 0; i < ARRAY_LENGTH(atoms); i++)
|
|
cookies[i] = xcb_intern_atom (b->conn, 0,
|
|
strlen(atoms[i].name),
|
|
atoms[i].name);
|
|
|
|
for (i = 0; i < ARRAY_LENGTH(atoms); i++) {
|
|
reply = xcb_intern_atom_reply (b->conn, cookies[i], NULL);
|
|
*(xcb_atom_t *) ((char *) b + atoms[i].offset) = reply->atom;
|
|
free(reply);
|
|
}
|
|
|
|
pixmap = xcb_generate_id(b->conn);
|
|
gc = xcb_generate_id(b->conn);
|
|
xcb_create_pixmap(b->conn, 1, pixmap, b->screen->root, 1, 1);
|
|
xcb_create_gc(b->conn, gc, pixmap, 0, NULL);
|
|
xcb_put_image(b->conn, XCB_IMAGE_FORMAT_XY_PIXMAP,
|
|
pixmap, gc, 1, 1, 0, 0, 0, 32, sizeof data, data);
|
|
b->null_cursor = xcb_generate_id(b->conn);
|
|
xcb_create_cursor (b->conn, b->null_cursor,
|
|
pixmap, pixmap, 0, 0, 0, 0, 0, 0, 1, 1);
|
|
xcb_free_gc(b->conn, gc);
|
|
xcb_free_pixmap(b->conn, pixmap);
|
|
}
|
|
|
|
static void
|
|
x11_backend_get_wm_info(struct x11_backend *c)
|
|
{
|
|
xcb_get_property_cookie_t cookie;
|
|
xcb_get_property_reply_t *reply;
|
|
xcb_atom_t *atom;
|
|
unsigned int i;
|
|
|
|
cookie = xcb_get_property(c->conn, 0, c->screen->root,
|
|
c->atom.net_supported,
|
|
XCB_ATOM_ATOM, 0, 1024);
|
|
reply = xcb_get_property_reply(c->conn, cookie, NULL);
|
|
if (reply == NULL)
|
|
return;
|
|
|
|
atom = (xcb_atom_t *) xcb_get_property_value(reply);
|
|
|
|
for (i = 0; i < reply->value_len; i++) {
|
|
if (atom[i] == c->atom.net_wm_state_fullscreen)
|
|
c->has_net_wm_state_fullscreen = 1;
|
|
}
|
|
|
|
free(reply);
|
|
}
|
|
|
|
static void
|
|
x11_destroy(struct weston_backend *base)
|
|
{
|
|
struct x11_backend *backend = container_of(base, struct x11_backend, base);
|
|
struct weston_compositor *ec = backend->compositor;
|
|
struct weston_head *head, *next;
|
|
|
|
wl_event_source_remove(backend->xcb_source);
|
|
x11_input_destroy(backend);
|
|
|
|
weston_compositor_shutdown(ec); /* destroys outputs, too */
|
|
|
|
wl_list_for_each_safe(head, next, &ec->head_list, compositor_link) {
|
|
if (to_x11_head(head))
|
|
x11_head_destroy(head);
|
|
}
|
|
|
|
XCloseDisplay(backend->dpy);
|
|
free(backend);
|
|
}
|
|
|
|
static int
|
|
init_gl_renderer(struct x11_backend *b)
|
|
{
|
|
const struct gl_renderer_display_options options = {
|
|
.egl_platform = EGL_PLATFORM_X11_KHR,
|
|
.egl_native_display = b->dpy,
|
|
.egl_surface_type = EGL_WINDOW_BIT,
|
|
.drm_formats = x11_formats,
|
|
.drm_formats_count = ARRAY_LENGTH(x11_formats),
|
|
};
|
|
|
|
gl_renderer = weston_load_module("gl-renderer.so",
|
|
"gl_renderer_interface",
|
|
LIBWESTON_MODULEDIR);
|
|
if (!gl_renderer)
|
|
return -1;
|
|
|
|
return gl_renderer->display_create(b->compositor, &options);
|
|
}
|
|
|
|
static const struct weston_windowed_output_api api = {
|
|
x11_output_set_size,
|
|
x11_head_create,
|
|
};
|
|
|
|
static struct x11_backend *
|
|
x11_backend_create(struct weston_compositor *compositor,
|
|
struct weston_x11_backend_config *config)
|
|
{
|
|
struct x11_backend *b;
|
|
struct wl_event_loop *loop;
|
|
int ret;
|
|
|
|
b = zalloc(sizeof *b);
|
|
if (b == NULL)
|
|
return NULL;
|
|
|
|
b->compositor = compositor;
|
|
b->fullscreen = config->fullscreen;
|
|
b->no_input = config->no_input;
|
|
|
|
compositor->backend = &b->base;
|
|
|
|
if (weston_compositor_set_presentation_clock_software(compositor) < 0)
|
|
goto err_free;
|
|
|
|
b->dpy = XOpenDisplay(NULL);
|
|
if (b->dpy == NULL)
|
|
goto err_free;
|
|
|
|
b->conn = XGetXCBConnection(b->dpy);
|
|
XSetEventQueueOwner(b->dpy, XCBOwnsEventQueue);
|
|
|
|
if (xcb_connection_has_error(b->conn))
|
|
goto err_xdisplay;
|
|
|
|
b->screen = x11_compositor_get_default_screen(b);
|
|
wl_array_init(&b->keys);
|
|
|
|
x11_backend_get_resources(b);
|
|
x11_backend_get_wm_info(b);
|
|
|
|
if (!b->has_net_wm_state_fullscreen && config->fullscreen) {
|
|
weston_log("Can not fullscreen without window manager support"
|
|
"(need _NET_WM_STATE_FULLSCREEN)\n");
|
|
config->fullscreen = 0;
|
|
}
|
|
|
|
if (config->renderer == WESTON_RENDERER_PIXMAN) {
|
|
if (pixman_renderer_init(compositor) < 0) {
|
|
weston_log("Failed to initialize pixman renderer for X11 backend\n");
|
|
goto err_xdisplay;
|
|
}
|
|
}
|
|
else if (init_gl_renderer(b) < 0) {
|
|
goto err_xdisplay;
|
|
}
|
|
weston_log("Using %s renderer\n",
|
|
(config->renderer == WESTON_RENDERER_PIXMAN) ? "pixman" : "gl");
|
|
|
|
b->base.destroy = x11_destroy;
|
|
b->base.create_output = x11_output_create;
|
|
|
|
if (x11_input_create(b, config->no_input) < 0) {
|
|
weston_log("Failed to create X11 input\n");
|
|
goto err_renderer;
|
|
}
|
|
|
|
loop = wl_display_get_event_loop(compositor->wl_display);
|
|
b->xcb_source =
|
|
wl_event_loop_add_fd(loop,
|
|
xcb_get_file_descriptor(b->conn),
|
|
WL_EVENT_READABLE,
|
|
x11_backend_handle_event, b);
|
|
wl_event_source_check(b->xcb_source);
|
|
|
|
if (compositor->renderer->import_dmabuf) {
|
|
if (linux_dmabuf_setup(compositor) < 0)
|
|
weston_log("Error: initializing dmabuf "
|
|
"support failed.\n");
|
|
}
|
|
|
|
if (compositor->capabilities & WESTON_CAP_EXPLICIT_SYNC) {
|
|
if (linux_explicit_synchronization_setup(compositor) < 0)
|
|
weston_log("Error: initializing explicit "
|
|
" synchronization support failed.\n");
|
|
}
|
|
|
|
ret = weston_plugin_api_register(compositor, WESTON_WINDOWED_OUTPUT_API_NAME,
|
|
&api, sizeof(api));
|
|
|
|
if (ret < 0) {
|
|
weston_log("Failed to register output API.\n");
|
|
goto err_x11_input;
|
|
}
|
|
|
|
return b;
|
|
|
|
err_x11_input:
|
|
x11_input_destroy(b);
|
|
err_renderer:
|
|
compositor->renderer->destroy(compositor);
|
|
err_xdisplay:
|
|
XCloseDisplay(b->dpy);
|
|
err_free:
|
|
free(b);
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
config_init_to_defaults(struct weston_x11_backend_config *config)
|
|
{
|
|
}
|
|
|
|
WL_EXPORT int
|
|
weston_backend_init(struct weston_compositor *compositor,
|
|
struct weston_backend_config *config_base)
|
|
{
|
|
struct x11_backend *b;
|
|
struct weston_x11_backend_config config = {{ 0, }};
|
|
|
|
if (config_base == NULL ||
|
|
config_base->struct_version != WESTON_X11_BACKEND_CONFIG_VERSION ||
|
|
config_base->struct_size > sizeof(struct weston_x11_backend_config)) {
|
|
weston_log("X11 backend config structure is invalid\n");
|
|
return -1;
|
|
}
|
|
|
|
config_init_to_defaults(&config);
|
|
memcpy(&config, config_base, config_base->struct_size);
|
|
|
|
b = x11_backend_create(compositor, &config);
|
|
if (b == NULL)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|