| /* |
| * Copyright © 2008-2011 Kristian Høgsberg |
| * Copyright © 2010-2011 Intel Corporation |
| * |
| * Permission to use, copy, modify, distribute, and sell this software and |
| * its documentation for any purpose is hereby granted without fee, provided |
| * that the above copyright notice appear in all copies and that both that |
| * copyright notice and this permission notice appear in supporting |
| * documentation, and that the name of the copyright holders not be used in |
| * advertising or publicity pertaining to distribution of the software |
| * without specific, written prior permission. The copyright holders make |
| * no representations about the suitability of this software for any |
| * purpose. It is provided "as is" without express or implied warranty. |
| * |
| * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS |
| * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER |
| * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF |
| * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #include <stddef.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <fcntl.h> |
| #include <unistd.h> |
| #include <errno.h> |
| #include <sys/time.h> |
| #include <linux/input.h> |
| |
| #include <xcb/xcb.h> |
| #include <X11/Xlib.h> |
| #include <X11/Xlib-xcb.h> |
| |
| #include <GLES2/gl2.h> |
| #include <EGL/egl.h> |
| |
| #include "compositor.h" |
| |
| #define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0])) |
| |
| struct x11_compositor { |
| struct wlsc_compositor base; |
| |
| Display *dpy; |
| xcb_connection_t *conn; |
| xcb_screen_t *screen; |
| xcb_cursor_t null_cursor; |
| struct wl_array keys; |
| struct wl_event_source *xcb_source; |
| struct { |
| xcb_atom_t wm_protocols; |
| xcb_atom_t wm_normal_hints; |
| xcb_atom_t wm_size_hints; |
| xcb_atom_t wm_delete_window; |
| xcb_atom_t wm_class; |
| xcb_atom_t net_wm_name; |
| xcb_atom_t net_wm_icon; |
| xcb_atom_t net_wm_state; |
| xcb_atom_t net_wm_state_fullscreen; |
| xcb_atom_t string; |
| xcb_atom_t utf8_string; |
| xcb_atom_t cardinal; |
| } atom; |
| }; |
| |
| struct x11_output { |
| struct wlsc_output base; |
| |
| xcb_window_t window; |
| EGLSurface egl_surface; |
| struct wlsc_mode mode; |
| struct wl_event_source *finish_frame_timer; |
| }; |
| |
| struct x11_input { |
| struct wlsc_input_device base; |
| }; |
| |
| |
| static int |
| x11_input_create(struct x11_compositor *c) |
| { |
| struct x11_input *input; |
| |
| input = malloc(sizeof *input); |
| if (input == NULL) |
| return -1; |
| |
| memset(input, 0, sizeof *input); |
| wlsc_input_device_init(&input->base, &c->base); |
| |
| c->base.input_device = &input->base.input_device; |
| |
| return 0; |
| } |
| |
| static int |
| x11_compositor_init_egl(struct x11_compositor *c) |
| { |
| EGLint major, minor; |
| EGLint n; |
| const char *extensions; |
| EGLint config_attribs[] = { |
| EGL_SURFACE_TYPE, EGL_WINDOW_BIT, |
| EGL_RED_SIZE, 1, |
| EGL_GREEN_SIZE, 1, |
| EGL_BLUE_SIZE, 1, |
| EGL_DEPTH_SIZE, 1, |
| EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, |
| EGL_NONE |
| }; |
| static const EGLint context_attribs[] = { |
| EGL_CONTEXT_CLIENT_VERSION, 2, |
| EGL_NONE |
| }; |
| |
| c->base.display = eglGetDisplay(c->dpy); |
| if (c->base.display == NULL) { |
| fprintf(stderr, "failed to create display\n"); |
| return -1; |
| } |
| |
| if (!eglInitialize(c->base.display, &major, &minor)) { |
| fprintf(stderr, "failed to initialize display\n"); |
| return -1; |
| } |
| |
| extensions = eglQueryString(c->base.display, EGL_EXTENSIONS); |
| if (!strstr(extensions, "EGL_KHR_surfaceless_gles2")) { |
| fprintf(stderr, "EGL_KHR_surfaceless_gles2 not available\n"); |
| return -1; |
| } |
| |
| if (!eglBindAPI(EGL_OPENGL_ES_API)) { |
| fprintf(stderr, "failed to bind EGL_OPENGL_ES_API\n"); |
| return -1; |
| } |
| if (!eglChooseConfig(c->base.display, config_attribs, |
| &c->base.config, 1, &n) || n == 0) { |
| fprintf(stderr, "failed to choose config: %d\n", n); |
| return -1; |
| } |
| |
| c->base.context = eglCreateContext(c->base.display, c->base.config, |
| EGL_NO_CONTEXT, context_attribs); |
| if (c->base.context == NULL) { |
| fprintf(stderr, "failed to create context\n"); |
| return -1; |
| } |
| |
| if (!eglMakeCurrent(c->base.display, EGL_NO_SURFACE, |
| EGL_NO_SURFACE, c->base.context)) { |
| fprintf(stderr, "failed to make context current\n"); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| static int |
| x11_output_prepare_render(struct wlsc_output *output_base) |
| { |
| struct x11_output *output = (struct x11_output *) output_base; |
| struct wlsc_compositor *ec = output->base.compositor; |
| |
| if (!eglMakeCurrent(ec->display, output->egl_surface, |
| output->egl_surface, ec->context)) { |
| fprintf(stderr, "failed to make current\n"); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| static int |
| finish_frame_handler(void *data) |
| { |
| struct x11_output *output = data; |
| uint32_t msec; |
| struct timeval tv; |
| |
| gettimeofday(&tv, NULL); |
| msec = tv.tv_sec * 1000 + tv.tv_usec / 1000; |
| wlsc_output_finish_frame(&output->base, msec); |
| |
| return 1; |
| } |
| |
| static int |
| x11_output_present(struct wlsc_output *output_base) |
| { |
| struct x11_output *output = (struct x11_output *) output_base; |
| struct wlsc_compositor *ec = output->base.compositor; |
| |
| if (x11_output_prepare_render(&output->base)) |
| return -1; |
| |
| eglSwapBuffers(ec->display, output->egl_surface); |
| |
| wl_event_source_timer_update(output->finish_frame_timer, 10); |
| |
| return 0; |
| } |
| |
| static int |
| x11_output_prepare_scanout_surface(struct wlsc_output *output_base, |
| struct wlsc_surface *es) |
| { |
| return -1; |
| } |
| |
| static int |
| x11_output_set_cursor(struct wlsc_output *output_base, |
| struct wlsc_input_device *input) |
| { |
| return -1; |
| } |
| |
| static void |
| x11_output_destroy(struct wlsc_output *output_base) |
| { |
| return; |
| } |
| |
| static void |
| x11_output_set_wm_protocols(struct x11_output *output) |
| { |
| xcb_atom_t list[1]; |
| struct x11_compositor *c = |
| (struct x11_compositor *) output->base.compositor; |
| |
| list[0] = c->atom.wm_delete_window; |
| xcb_change_property (c->conn, |
| XCB_PROP_MODE_REPLACE, |
| output->window, |
| c->atom.wm_protocols, |
| XCB_ATOM_ATOM, |
| 32, |
| ARRAY_SIZE(list), |
| list); |
| } |
| |
| static void |
| x11_output_change_state(struct x11_output *output, int add, xcb_atom_t state) |
| { |
| xcb_client_message_event_t event; |
| struct x11_compositor *c = |
| (struct x11_compositor *) output->base.compositor; |
| xcb_screen_iterator_t iter; |
| |
| #define _NET_WM_STATE_REMOVE 0 /* remove/unset property */ |
| #define _NET_WM_STATE_ADD 1 /* add/set property */ |
| #define _NET_WM_STATE_TOGGLE 2 /* toggle property */ |
| |
| memset(&event, 0, sizeof event); |
| event.response_type = XCB_CLIENT_MESSAGE; |
| event.format = 32; |
| event.window = output->window; |
| event.type = c->atom.net_wm_state; |
| |
| event.data.data32[0] = add ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE; |
| event.data.data32[1] = state; |
| event.data.data32[2] = 0; |
| event.data.data32[3] = 0; |
| event.data.data32[4] = 0; |
| |
| iter = xcb_setup_roots_iterator(xcb_get_setup(c->conn)); |
| xcb_send_event(c->conn, 0, iter.data->root, |
| XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | |
| XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, |
| (void *) &event); |
| } |
| |
| |
| 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_compositor *c, |
| struct x11_output *output, const char *filename) |
| { |
| uint32_t *icon, *pixels, stride; |
| int32_t width, height; |
| |
| pixels = wlsc_load_image(filename, &width, &height, &stride); |
| if (!pixels) |
| return; |
| icon = malloc(width * height * 4 + 8); |
| if (!icon) { |
| free(pixels); |
| return; |
| } |
| |
| icon[0] = width; |
| icon[1] = height; |
| memcpy(icon + 2, pixels, width * height * 4); |
| xcb_change_property(c->conn, XCB_PROP_MODE_REPLACE, output->window, |
| c->atom.net_wm_icon, c->atom.cardinal, 32, |
| width * height + 2, icon); |
| free(icon); |
| free(pixels); |
| } |
| |
| static int |
| x11_compositor_create_output(struct x11_compositor *c, int x, int y, |
| int width, int height, int fullscreen) |
| { |
| static const char name[] = "Wayland Compositor"; |
| static const char class[] = "wayland-1\0Wayland Compositor"; |
| struct x11_output *output; |
| xcb_screen_iterator_t iter; |
| struct wm_normal_hints normal_hints; |
| struct wl_event_loop *loop; |
| uint32_t mask = XCB_CW_EVENT_MASK | XCB_CW_CURSOR; |
| uint32_t values[2] = { |
| 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_EXPOSURE | |
| XCB_EVENT_MASK_STRUCTURE_NOTIFY | |
| XCB_EVENT_MASK_ENTER_WINDOW | |
| XCB_EVENT_MASK_LEAVE_WINDOW | |
| XCB_EVENT_MASK_KEYMAP_STATE | |
| XCB_EVENT_MASK_FOCUS_CHANGE, |
| 0 |
| }; |
| |
| output = malloc(sizeof *output); |
| if (output == NULL) |
| return -1; |
| |
| memset(output, 0, sizeof *output); |
| |
| output->mode.flags = |
| WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED; |
| output->mode.width = width; |
| output->mode.height = height; |
| output->mode.refresh = 60; |
| wl_list_init(&output->base.mode_list); |
| wl_list_insert(&output->base.mode_list, &output->mode.link); |
| |
| output->base.current = &output->mode; |
| wlsc_output_init(&output->base, &c->base, x, y, width, height, |
| WL_OUTPUT_FLIPPED); |
| |
| values[1] = c->null_cursor; |
| output->window = xcb_generate_id(c->conn); |
| iter = xcb_setup_roots_iterator(xcb_get_setup(c->conn)); |
| xcb_create_window(c->conn, |
| XCB_COPY_FROM_PARENT, |
| output->window, |
| iter.data->root, |
| 0, 0, |
| width, height, |
| 0, |
| XCB_WINDOW_CLASS_INPUT_OUTPUT, |
| iter.data->root_visual, |
| mask, values); |
| |
| /* Don't resize me. */ |
| memset(&normal_hints, 0, sizeof normal_hints); |
| normal_hints.flags = |
| WM_NORMAL_HINTS_MAX_SIZE | WM_NORMAL_HINTS_MIN_SIZE; |
| normal_hints.min_width = width; |
| normal_hints.min_height = height; |
| normal_hints.max_width = width; |
| normal_hints.max_height = height; |
| xcb_change_property (c->conn, XCB_PROP_MODE_REPLACE, output->window, |
| c->atom.wm_normal_hints, |
| c->atom.wm_size_hints, 32, |
| sizeof normal_hints / 4, |
| (uint8_t *) &normal_hints); |
| |
| /* Set window name. Don't bother with non-EWMH WMs. */ |
| xcb_change_property(c->conn, XCB_PROP_MODE_REPLACE, output->window, |
| c->atom.net_wm_name, c->atom.utf8_string, 8, |
| strlen(name), name); |
| xcb_change_property(c->conn, XCB_PROP_MODE_REPLACE, output->window, |
| c->atom.wm_class, c->atom.string, 8, |
| sizeof class, class); |
| |
| x11_output_set_icon(c, output, DATADIR "/wayland/wayland.png"); |
| |
| xcb_map_window(c->conn, output->window); |
| |
| x11_output_set_wm_protocols(output); |
| |
| if (fullscreen) |
| x11_output_change_state(output, 1, |
| c->atom.net_wm_state_fullscreen); |
| |
| output->egl_surface = |
| eglCreateWindowSurface(c->base.display, c->base.config, |
| output->window, NULL); |
| if (!output->egl_surface) { |
| fprintf(stderr, "failed to create window surface\n"); |
| return -1; |
| } |
| if (!eglMakeCurrent(c->base.display, output->egl_surface, |
| output->egl_surface, c->base.context)) { |
| fprintf(stderr, "failed to make surface current\n"); |
| return -1; |
| } |
| |
| loop = wl_display_get_event_loop(c->base.wl_display); |
| output->finish_frame_timer = |
| wl_event_loop_add_timer(loop, finish_frame_handler, output); |
| |
| output->base.prepare_render = x11_output_prepare_render; |
| output->base.present = x11_output_present; |
| output->base.prepare_scanout_surface = |
| x11_output_prepare_scanout_surface; |
| output->base.set_hardware_cursor = x11_output_set_cursor; |
| output->base.destroy = x11_output_destroy; |
| |
| wl_list_insert(c->base.output_list.prev, &output->base.link); |
| |
| return 0; |
| } |
| |
| static struct x11_output * |
| x11_compositor_find_output(struct x11_compositor *c, xcb_window_t window) |
| { |
| struct x11_output *output; |
| |
| wl_list_for_each(output, &c->base.output_list, base.link) { |
| if (output->window == window) |
| return output; |
| } |
| |
| return NULL; |
| } |
| |
| static int |
| x11_compositor_next_event(struct x11_compositor *c, |
| xcb_generic_event_t **event, uint32_t mask) |
| { |
| if (mask & WL_EVENT_READABLE) { |
| *event = xcb_poll_for_event(c->conn); |
| } else { |
| #ifdef HAVE_XCB_POLL_FOR_QUEUED_EVENT |
| *event = xcb_poll_for_queued_event(c->conn); |
| #else |
| *event = xcb_poll_for_event(c->conn); |
| #endif |
| } |
| |
| return *event != NULL; |
| } |
| |
| static int |
| x11_compositor_handle_event(int fd, uint32_t mask, void *data) |
| { |
| struct x11_compositor *c = data; |
| struct x11_output *output; |
| xcb_generic_event_t *event, *prev; |
| xcb_client_message_event_t *client_message; |
| xcb_motion_notify_event_t *motion_notify; |
| xcb_enter_notify_event_t *enter_notify; |
| xcb_key_press_event_t *key_press, *key_release; |
| xcb_button_press_event_t *button_press; |
| xcb_keymap_notify_event_t *keymap_notify; |
| xcb_focus_in_event_t *focus_in; |
| xcb_atom_t atom; |
| uint32_t *k; |
| int i, set; |
| |
| prev = NULL; |
| while (x11_compositor_next_event(c, &event, mask)) { |
| switch (prev ? prev->response_type & ~0x80 : 0x80) { |
| case XCB_KEY_RELEASE: |
| key_release = (xcb_key_press_event_t *) prev; |
| key_press = (xcb_key_press_event_t *) event; |
| if ((event->response_type & ~0x80) == 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(prev); |
| prev = NULL; |
| continue; |
| } else { |
| /* Deliver the held key release now |
| * and fall through and handle the new |
| * event below. */ |
| notify_key(c->base.input_device, |
| wlsc_compositor_get_time(), |
| key_release->detail - 8, 0); |
| free(prev); |
| prev = NULL; |
| break; |
| } |
| |
| case XCB_FOCUS_IN: |
| /* assert event is keymap_notify */ |
| focus_in = (xcb_focus_in_event_t *) prev; |
| keymap_notify = (xcb_keymap_notify_event_t *) event; |
| c->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(&c->keys, sizeof *k); |
| *k = i; |
| } |
| } |
| |
| output = x11_compositor_find_output(c, focus_in->event); |
| notify_keyboard_focus(c->base.input_device, |
| wlsc_compositor_get_time(), |
| &output->base, &c->keys); |
| |
| free(prev); |
| prev = NULL; |
| break; |
| |
| default: |
| /* No previous event held */ |
| break; |
| } |
| |
| switch (event->response_type & ~0x80) { |
| case XCB_KEY_PRESS: |
| key_press = (xcb_key_press_event_t *) event; |
| notify_key(c->base.input_device, |
| wlsc_compositor_get_time(), |
| key_press->detail - 8, 1); |
| break; |
| case XCB_KEY_RELEASE: |
| prev = event; |
| break; |
| case XCB_BUTTON_PRESS: |
| button_press = (xcb_button_press_event_t *) event; |
| notify_button(c->base.input_device, |
| wlsc_compositor_get_time(), |
| button_press->detail + BTN_LEFT - 1, 1); |
| break; |
| case XCB_BUTTON_RELEASE: |
| button_press = (xcb_button_press_event_t *) event; |
| notify_button(c->base.input_device, |
| wlsc_compositor_get_time(), |
| button_press->detail + BTN_LEFT - 1, 0); |
| break; |
| |
| case XCB_MOTION_NOTIFY: |
| motion_notify = (xcb_motion_notify_event_t *) event; |
| output = x11_compositor_find_output(c, motion_notify->event); |
| notify_motion(c->base.input_device, |
| wlsc_compositor_get_time(), |
| output->base.x + motion_notify->event_x, |
| output->base.y + motion_notify->event_y); |
| break; |
| |
| case XCB_EXPOSE: |
| /* FIXME: schedule output repaint */ |
| /* output = x11_compositor_find_output(c, expose->window); */ |
| |
| wlsc_compositor_schedule_repaint(&c->base); |
| break; |
| |
| case XCB_ENTER_NOTIFY: |
| enter_notify = (xcb_enter_notify_event_t *) event; |
| if (enter_notify->state >= Button1Mask) |
| break; |
| output = x11_compositor_find_output(c, enter_notify->event); |
| notify_pointer_focus(c->base.input_device, |
| wlsc_compositor_get_time(), |
| &output->base, |
| output->base.x + enter_notify->event_x, |
| output->base.y + enter_notify->event_y); |
| break; |
| |
| case XCB_LEAVE_NOTIFY: |
| enter_notify = (xcb_enter_notify_event_t *) event; |
| if (enter_notify->state >= Button1Mask) |
| break; |
| output = x11_compositor_find_output(c, enter_notify->event); |
| notify_pointer_focus(c->base.input_device, |
| wlsc_compositor_get_time(), |
| NULL, |
| output->base.x + enter_notify->event_x, |
| output->base.y + enter_notify->event_y); |
| break; |
| |
| case XCB_CLIENT_MESSAGE: |
| client_message = (xcb_client_message_event_t *) event; |
| atom = client_message->data.data32[0]; |
| if (atom == c->atom.wm_delete_window) |
| wl_display_terminate(c->base.wl_display); |
| break; |
| |
| case XCB_FOCUS_IN: |
| focus_in = (xcb_focus_in_event_t *) event; |
| if (focus_in->mode == XCB_NOTIFY_MODE_WHILE_GRABBED) |
| break; |
| |
| prev = event; |
| break; |
| |
| case XCB_FOCUS_OUT: |
| focus_in = (xcb_focus_in_event_t *) event; |
| if (focus_in->mode == XCB_NOTIFY_MODE_WHILE_GRABBED) |
| break; |
| notify_keyboard_focus(c->base.input_device, |
| wlsc_compositor_get_time(), |
| NULL, NULL); |
| break; |
| |
| default: |
| break; |
| } |
| |
| if (prev != event) |
| free (event); |
| } |
| |
| switch (prev ? prev->response_type & ~0x80 : 0x80) { |
| case XCB_KEY_RELEASE: |
| key_release = (xcb_key_press_event_t *) prev; |
| notify_key(c->base.input_device, |
| wlsc_compositor_get_time(), |
| key_release->detail - 8, 0); |
| free(prev); |
| prev = NULL; |
| break; |
| default: |
| break; |
| } |
| |
| return event != NULL; |
| } |
| |
| #define F(field) offsetof(struct x11_compositor, field) |
| |
| static void |
| x11_compositor_get_resources(struct x11_compositor *c) |
| { |
| 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) }, |
| { "STRING", F(atom.string) }, |
| { "UTF8_STRING", F(atom.utf8_string) }, |
| { "CARDINAL", F(atom.cardinal) }, |
| }; |
| |
| xcb_intern_atom_cookie_t cookies[ARRAY_SIZE(atoms)]; |
| xcb_intern_atom_reply_t *reply; |
| xcb_pixmap_t pixmap; |
| xcb_gc_t gc; |
| int i; |
| uint8_t data[] = { 0, 0, 0, 0 }; |
| |
| for (i = 0; i < ARRAY_SIZE(atoms); i++) |
| cookies[i] = xcb_intern_atom (c->conn, 0, |
| strlen(atoms[i].name), |
| atoms[i].name); |
| |
| for (i = 0; i < ARRAY_SIZE(atoms); i++) { |
| reply = xcb_intern_atom_reply (c->conn, cookies[i], NULL); |
| *(xcb_atom_t *) ((char *) c + atoms[i].offset) = reply->atom; |
| free(reply); |
| } |
| |
| pixmap = xcb_generate_id(c->conn); |
| gc = xcb_generate_id(c->conn); |
| xcb_create_pixmap(c->conn, 1, pixmap, c->screen->root, 1, 1); |
| xcb_create_gc(c->conn, gc, pixmap, 0, NULL); |
| xcb_put_image(c->conn, XCB_IMAGE_FORMAT_XY_PIXMAP, |
| pixmap, gc, 1, 1, 0, 0, 0, 32, sizeof data, data); |
| c->null_cursor = xcb_generate_id(c->conn); |
| xcb_create_cursor (c->conn, c->null_cursor, |
| pixmap, pixmap, 0, 0, 0, 0, 0, 0, 1, 1); |
| xcb_free_gc(c->conn, gc); |
| xcb_free_pixmap(c->conn, pixmap); |
| } |
| |
| static void |
| x11_destroy(struct wlsc_compositor *ec) |
| { |
| wlsc_compositor_shutdown(ec); |
| |
| free(ec); |
| } |
| |
| static struct wlsc_compositor * |
| x11_compositor_create(struct wl_display *display, |
| int width, int height, int count, int fullscreen) |
| { |
| struct x11_compositor *c; |
| struct wl_event_loop *loop; |
| xcb_screen_iterator_t s; |
| int i, x; |
| |
| c = malloc(sizeof *c); |
| if (c == NULL) |
| return NULL; |
| |
| memset(c, 0, sizeof *c); |
| |
| c->dpy = XOpenDisplay(NULL); |
| if (c->dpy == NULL) |
| return NULL; |
| |
| c->conn = XGetXCBConnection(c->dpy); |
| XSetEventQueueOwner(c->dpy, XCBOwnsEventQueue); |
| |
| if (xcb_connection_has_error(c->conn)) |
| return NULL; |
| |
| s = xcb_setup_roots_iterator(xcb_get_setup(c->conn)); |
| c->screen = s.data; |
| wl_array_init(&c->keys); |
| |
| x11_compositor_get_resources(c); |
| |
| c->base.wl_display = display; |
| if (x11_compositor_init_egl(c) < 0) |
| return NULL; |
| |
| c->base.destroy = x11_destroy; |
| |
| /* Can't init base class until we have a current egl context */ |
| if (wlsc_compositor_init(&c->base, display) < 0) |
| return NULL; |
| |
| for (i = 0, x = 0; i < count; i++) { |
| if (x11_compositor_create_output(c, x, 0, width, height, |
| fullscreen) < 0) |
| return NULL; |
| x += width; |
| } |
| |
| if (x11_input_create(c) < 0) |
| return NULL; |
| |
| loop = wl_display_get_event_loop(c->base.wl_display); |
| |
| c->xcb_source = |
| wl_event_loop_add_fd(loop, xcb_get_file_descriptor(c->conn), |
| WL_EVENT_READABLE, |
| x11_compositor_handle_event, c); |
| wl_event_source_check(c->xcb_source); |
| |
| return &c->base; |
| } |
| |
| struct wlsc_compositor * |
| backend_init(struct wl_display *display, char *options); |
| |
| WL_EXPORT struct wlsc_compositor * |
| backend_init(struct wl_display *display, char *options) |
| { |
| int width = 1024, height = 640, fullscreen = 0, count = 1, i; |
| char *p, *value; |
| |
| static char * const tokens[] = { |
| "width", "height", "fullscreen", "output-count", NULL |
| }; |
| |
| p = options; |
| while (i = getsubopt(&p, tokens, &value), i != -1) { |
| switch (i) { |
| case 0: |
| width = strtol(value, NULL, 0); |
| break; |
| case 1: |
| height = strtol(value, NULL, 0); |
| break; |
| case 2: |
| fullscreen = 1; |
| break; |
| case 3: |
| count = strtol(value, NULL, 0); |
| break; |
| } |
| } |
| |
| return x11_compositor_create(display, |
| width, height, count, fullscreen); |
| } |