/* * Copyright © 2010-2011 Benjamin Franzke * Copyright © 2013 Jason Ekstrand * * 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. */ #include "config.h" #include #include #include #include #include #include #include #include #include #include #include #include "compositor.h" #include "gl-renderer.h" #include "pixman-renderer.h" #include "../shared/image-loader.h" #include "../shared/os-compatibility.h" #include "../shared/cairo-util.h" #include "fullscreen-shell-client-protocol.h" #define WINDOW_TITLE "Weston Compositor" struct wayland_compositor { struct weston_compositor base; struct { struct wl_display *wl_display; struct wl_registry *registry; struct wl_compositor *compositor; struct wl_shell *shell; struct _wl_fullscreen_shell *fshell; struct wl_shm *shm; struct wl_list output_list; struct wl_event_source *wl_source; uint32_t event_mask; } parent; int use_pixman; int sprawl_across_outputs; struct theme *theme; cairo_device_t *frame_device; struct wl_cursor_theme *cursor_theme; struct wl_cursor *cursor; struct wl_list input_list; }; struct wayland_output { struct weston_output base; struct { int draw_initial_frame; struct wl_surface *surface; struct wl_output *output; uint32_t global_id; struct wl_shell_surface *shell_surface; int configure_width, configure_height; } parent; int keyboard_count; char *name; struct frame *frame; struct { struct wl_egl_window *egl_window; struct { cairo_surface_t *top; cairo_surface_t *left; cairo_surface_t *right; cairo_surface_t *bottom; } border; } gl; struct { struct wl_list buffers; struct wl_list free_buffers; } shm; struct weston_mode mode; uint32_t scale; }; struct wayland_parent_output { struct wayland_output *output; struct wl_list link; struct wl_output *global; uint32_t id; struct { char *make; char *model; int32_t width, height; uint32_t subpixel; } physical; int32_t x, y; uint32_t transform; uint32_t scale; struct wl_list mode_list; struct weston_mode *preferred_mode; struct weston_mode *current_mode; }; struct wayland_shm_buffer { struct wayland_output *output; struct wl_list link; struct wl_list free_link; struct wl_buffer *buffer; void *data; size_t size; pixman_region32_t damage; int frame_damaged; pixman_image_t *pm_image; cairo_surface_t *c_surface; }; struct wayland_input { struct weston_seat base; struct wayland_compositor *compositor; struct wl_list link; struct { struct wl_seat *seat; struct wl_pointer *pointer; struct wl_keyboard *keyboard; struct wl_touch *touch; struct { struct wl_surface *surface; int32_t hx, hy; } cursor; } parent; enum weston_key_state_update keyboard_state_update; uint32_t key_serial; uint32_t enter_serial; int focus; struct wayland_output *output; struct wayland_output *keyboard_focus; }; struct gl_renderer_interface *gl_renderer; static void wayland_shm_buffer_destroy(struct wayland_shm_buffer *buffer) { cairo_surface_destroy(buffer->c_surface); pixman_image_unref(buffer->pm_image); wl_buffer_destroy(buffer->buffer); munmap(buffer->data, buffer->size); pixman_region32_fini(&buffer->damage); wl_list_remove(&buffer->link); wl_list_remove(&buffer->free_link); free(buffer); } static void buffer_release(void *data, struct wl_buffer *buffer) { struct wayland_shm_buffer *sb = data; if (sb->output) { wl_list_insert(&sb->output->shm.free_buffers, &sb->free_link); } else { wayland_shm_buffer_destroy(sb); } } static const struct wl_buffer_listener buffer_listener = { buffer_release }; static struct wayland_shm_buffer * wayland_output_get_shm_buffer(struct wayland_output *output) { struct wayland_compositor *c = (struct wayland_compositor *) output->base.compositor; struct wl_shm *shm = c->parent.shm; struct wayland_shm_buffer *sb; struct wl_shm_pool *pool; int width, height, stride; int32_t fx, fy; int fd; unsigned char *data; if (!wl_list_empty(&output->shm.free_buffers)) { sb = container_of(output->shm.free_buffers.next, struct wayland_shm_buffer, free_link); wl_list_remove(&sb->free_link); wl_list_init(&sb->free_link); return sb; } if (output->frame) { width = frame_width(output->frame); height = frame_height(output->frame); } else { width = output->base.current_mode->width; height = output->base.current_mode->height; } stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, width); fd = os_create_anonymous_file(height * stride); if (fd < 0) { weston_log("could not create an anonymous file buffer: %m\n"); return NULL; } data = mmap(NULL, height * stride, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); if (data == MAP_FAILED) { weston_log("could not mmap %d memory for data: %m\n", height * stride); close(fd); return NULL; } sb = zalloc(sizeof *sb); if (sb == NULL) { weston_log("could not zalloc %zu memory for sb: %m\n", sizeof *sb); close(fd); free(data); return NULL; } sb->output = output; wl_list_init(&sb->free_link); wl_list_insert(&output->shm.buffers, &sb->link); pixman_region32_init_rect(&sb->damage, 0, 0, output->base.width, output->base.height); sb->frame_damaged = 1; sb->data = data; sb->size = height * stride; pool = wl_shm_create_pool(shm, fd, sb->size); sb->buffer = wl_shm_pool_create_buffer(pool, 0, width, height, stride, WL_SHM_FORMAT_ARGB8888); wl_buffer_add_listener(sb->buffer, &buffer_listener, sb); wl_shm_pool_destroy(pool); close(fd); memset(data, 0, sb->size); sb->c_surface = cairo_image_surface_create_for_data(data, CAIRO_FORMAT_ARGB32, width, height, stride); fx = 0; fy = 0; if (output->frame) frame_interior(output->frame, &fx, &fy, 0, 0); sb->pm_image = pixman_image_create_bits(PIXMAN_a8r8g8b8, width, height, (uint32_t *)(data + fy * stride) + fx, stride); return sb; } static void frame_done(void *data, struct wl_callback *callback, uint32_t time) { struct weston_output *output = data; wl_callback_destroy(callback); weston_output_finish_frame(output, time); } static const struct wl_callback_listener frame_listener = { frame_done }; static void draw_initial_frame(struct wayland_output *output) { struct wayland_shm_buffer *sb; sb = wayland_output_get_shm_buffer(output); /* If we are rendering with GL, then orphan it so that it gets * destroyed immediately */ if (output->gl.egl_window) sb->output = NULL; wl_surface_attach(output->parent.surface, sb->buffer, 0, 0); wl_surface_damage(output->parent.surface, 0, 0, output->base.current_mode->width, output->base.current_mode->height); } static void wayland_output_update_gl_border(struct wayland_output *output) { int32_t ix, iy, iwidth, iheight, fwidth, fheight; cairo_t *cr; if (!output->frame) return; if (!(frame_status(output->frame) & FRAME_STATUS_REPAINT)) return; fwidth = frame_width(output->frame); fheight = frame_height(output->frame); frame_interior(output->frame, &ix, &iy, &iwidth, &iheight); if (!output->gl.border.top) output->gl.border.top = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, fwidth, iy); cr = cairo_create(output->gl.border.top); frame_repaint(output->frame, cr); cairo_destroy(cr); gl_renderer->output_set_border(&output->base, GL_RENDERER_BORDER_TOP, fwidth, iy, cairo_image_surface_get_stride(output->gl.border.top) / 4, cairo_image_surface_get_data(output->gl.border.top)); if (!output->gl.border.left) output->gl.border.left = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, ix, 1); cr = cairo_create(output->gl.border.left); cairo_translate(cr, 0, -iy); frame_repaint(output->frame, cr); cairo_destroy(cr); gl_renderer->output_set_border(&output->base, GL_RENDERER_BORDER_LEFT, ix, 1, cairo_image_surface_get_stride(output->gl.border.left) / 4, cairo_image_surface_get_data(output->gl.border.left)); if (!output->gl.border.right) output->gl.border.right = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, fwidth - (ix + iwidth), 1); cr = cairo_create(output->gl.border.right); cairo_translate(cr, -(iwidth + ix), -iy); frame_repaint(output->frame, cr); cairo_destroy(cr); gl_renderer->output_set_border(&output->base, GL_RENDERER_BORDER_RIGHT, fwidth - (ix + iwidth), 1, cairo_image_surface_get_stride(output->gl.border.right) / 4, cairo_image_surface_get_data(output->gl.border.right)); if (!output->gl.border.bottom) output->gl.border.bottom = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, fwidth, fheight - (iy + iheight)); cr = cairo_create(output->gl.border.bottom); cairo_translate(cr, 0, -(iy + iheight)); frame_repaint(output->frame, cr); cairo_destroy(cr); gl_renderer->output_set_border(&output->base, GL_RENDERER_BORDER_BOTTOM, fwidth, fheight - (iy + iheight), cairo_image_surface_get_stride(output->gl.border.bottom) / 4, cairo_image_surface_get_data(output->gl.border.bottom)); } static void wayland_output_start_repaint_loop(struct weston_output *output_base) { struct wayland_output *output = (struct wayland_output *) output_base; struct wayland_compositor *wc = (struct wayland_compositor *)output->base.compositor; struct wl_callback *callback; /* If this is the initial frame, we need to attach a buffer so that * the compositor can map the surface and include it in its render * loop. If the surface doesn't end up in the render loop, the frame * callback won't be invoked. The buffer is transparent and of the * same size as the future real output buffer. */ if (output->parent.draw_initial_frame) { output->parent.draw_initial_frame = 0; draw_initial_frame(output); } callback = wl_surface_frame(output->parent.surface); wl_callback_add_listener(callback, &frame_listener, output); wl_surface_commit(output->parent.surface); wl_display_flush(wc->parent.wl_display); } static int wayland_output_repaint_gl(struct weston_output *output_base, pixman_region32_t *damage) { struct wayland_output *output = (struct wayland_output *) output_base; struct weston_compositor *ec = output->base.compositor; struct wl_callback *callback; callback = wl_surface_frame(output->parent.surface); wl_callback_add_listener(callback, &frame_listener, output); wayland_output_update_gl_border(output); ec->renderer->repaint_output(&output->base, damage); pixman_region32_subtract(&ec->primary_plane.damage, &ec->primary_plane.damage, damage); return 0; } static void wayland_output_update_shm_border(struct wayland_shm_buffer *buffer) { int32_t ix, iy, iwidth, iheight, fwidth, fheight; cairo_t *cr; if (!buffer->output->frame || !buffer->frame_damaged) return; cr = cairo_create(buffer->c_surface); frame_interior(buffer->output->frame, &ix, &iy, &iwidth, &iheight); fwidth = frame_width(buffer->output->frame); fheight = frame_height(buffer->output->frame); /* Set the clip so we don't unnecisaraly damage the surface */ cairo_move_to(cr, ix, iy); cairo_rel_line_to(cr, iwidth, 0); cairo_rel_line_to(cr, 0, iheight); cairo_rel_line_to(cr, -iwidth, 0); cairo_line_to(cr, ix, iy); cairo_line_to(cr, 0, iy); cairo_line_to(cr, 0, fheight); cairo_line_to(cr, fwidth, fheight); cairo_line_to(cr, fwidth, 0); cairo_line_to(cr, 0, 0); cairo_line_to(cr, 0, iy); cairo_close_path(cr); cairo_clip(cr); /* Draw using a pattern so that the final result gets clipped */ cairo_push_group(cr); frame_repaint(buffer->output->frame, cr); cairo_pop_group_to_source(cr); cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); cairo_paint(cr); cairo_destroy(cr); } static void wayland_shm_buffer_attach(struct wayland_shm_buffer *sb) { pixman_region32_t damage; pixman_box32_t *rects; int32_t ix, iy, iwidth, iheight, fwidth, fheight; int i, n; pixman_region32_init(&damage); weston_transformed_region(sb->output->base.width, sb->output->base.height, sb->output->base.transform, sb->output->base.current_scale, &sb->damage, &damage); if (sb->output->frame) { frame_interior(sb->output->frame, &ix, &iy, &iwidth, &iheight); fwidth = frame_width(sb->output->frame); fheight = frame_height(sb->output->frame); pixman_region32_translate(&damage, ix, iy); if (sb->frame_damaged) { pixman_region32_union_rect(&damage, &damage, 0, 0, fwidth, iy); pixman_region32_union_rect(&damage, &damage, 0, iy, ix, iheight); pixman_region32_union_rect(&damage, &damage, ix + iwidth, iy, fwidth - (ix + iwidth), iheight); pixman_region32_union_rect(&damage, &damage, 0, iy + iheight, fwidth, fheight - (iy + iheight)); } } rects = pixman_region32_rectangles(&damage, &n); wl_surface_attach(sb->output->parent.surface, sb->buffer, 0, 0); for (i = 0; i < n; ++i) wl_surface_damage(sb->output->parent.surface, rects[i].x1, rects[i].y1, rects[i].x2 - rects[i].x1, rects[i].y2 - rects[i].y1); if (sb->output->frame) pixman_region32_fini(&damage); } static int wayland_output_repaint_pixman(struct weston_output *output_base, pixman_region32_t *damage) { struct wayland_output *output = (struct wayland_output *) output_base; struct wayland_compositor *c = (struct wayland_compositor *)output->base.compositor; struct wl_callback *callback; struct wayland_shm_buffer *sb; if (output->frame) { if (frame_status(output->frame) & FRAME_STATUS_REPAINT) wl_list_for_each(sb, &output->shm.buffers, link) sb->frame_damaged = 1; } wl_list_for_each(sb, &output->shm.buffers, link) pixman_region32_union(&sb->damage, &sb->damage, damage); sb = wayland_output_get_shm_buffer(output); wayland_output_update_shm_border(sb); pixman_renderer_output_set_buffer(output_base, sb->pm_image); c->base.renderer->repaint_output(output_base, &sb->damage); wayland_shm_buffer_attach(sb); callback = wl_surface_frame(output->parent.surface); wl_callback_add_listener(callback, &frame_listener, output); wl_surface_commit(output->parent.surface); wl_display_flush(c->parent.wl_display); pixman_region32_fini(&sb->damage); pixman_region32_init(&sb->damage); sb->frame_damaged = 0; pixman_region32_subtract(&c->base.primary_plane.damage, &c->base.primary_plane.damage, damage); return 0; } static void wayland_output_destroy(struct weston_output *output_base) { struct wayland_output *output = (struct wayland_output *) output_base; struct wayland_compositor *c = (struct wayland_compositor *) output->base.compositor; if (c->use_pixman) { pixman_renderer_output_destroy(output_base); } else { gl_renderer->output_destroy(output_base); } wl_egl_window_destroy(output->gl.egl_window); wl_surface_destroy(output->parent.surface); if (output->parent.shell_surface) wl_shell_surface_destroy(output->parent.shell_surface); if (output->frame) frame_destroy(output->frame); cairo_surface_destroy(output->gl.border.top); cairo_surface_destroy(output->gl.border.left); cairo_surface_destroy(output->gl.border.right); cairo_surface_destroy(output->gl.border.bottom); weston_output_destroy(&output->base); free(output); return; } static const struct wl_shell_surface_listener shell_surface_listener; static int wayland_output_init_gl_renderer(struct wayland_output *output) { int32_t fwidth = 0, fheight = 0; if (output->frame) { fwidth = frame_width(output->frame); fheight = frame_height(output->frame); } else { fwidth = output->base.current_mode->width; fheight = output->base.current_mode->height; } output->gl.egl_window = wl_egl_window_create(output->parent.surface, fwidth, fheight); if (!output->gl.egl_window) { weston_log("failure to create wl_egl_window\n"); return -1; } if (gl_renderer->output_create(&output->base, output->gl.egl_window, gl_renderer->alpha_attribs, NULL) < 0) goto cleanup_window; return 0; cleanup_window: wl_egl_window_destroy(output->gl.egl_window); return -1; } static int wayland_output_init_pixman_renderer(struct wayland_output *output) { return pixman_renderer_output_create(&output->base); } static void wayland_output_resize_surface(struct wayland_output *output) { struct wayland_compositor *c = (struct wayland_compositor *)output->base.compositor; struct wayland_shm_buffer *buffer, *next; int32_t ix, iy, iwidth, iheight; int32_t width, height; struct wl_region *region; width = output->base.current_mode->width; height = output->base.current_mode->height; if (output->frame) { frame_resize_inside(output->frame, width, height); frame_input_rect(output->frame, &ix, &iy, &iwidth, &iheight); region = wl_compositor_create_region(c->parent.compositor); wl_region_add(region, ix, iy, iwidth, iheight); wl_surface_set_input_region(output->parent.surface, region); wl_region_destroy(region); frame_opaque_rect(output->frame, &ix, &iy, &iwidth, &iheight); region = wl_compositor_create_region(c->parent.compositor); wl_region_add(region, ix, iy, iwidth, iheight); wl_surface_set_opaque_region(output->parent.surface, region); wl_region_destroy(region); width = frame_width(output->frame); height = frame_height(output->frame); } else { region = wl_compositor_create_region(c->parent.compositor); wl_region_add(region, 0, 0, width, height); wl_surface_set_input_region(output->parent.surface, region); wl_region_destroy(region); region = wl_compositor_create_region(c->parent.compositor); wl_region_add(region, 0, 0, width, height); wl_surface_set_opaque_region(output->parent.surface, region); wl_region_destroy(region); } if (output->gl.egl_window) { wl_egl_window_resize(output->gl.egl_window, width, height, 0, 0); /* These will need to be re-created due to the resize */ gl_renderer->output_set_border(&output->base, GL_RENDERER_BORDER_TOP, 0, 0, 0, NULL); cairo_surface_destroy(output->gl.border.top); output->gl.border.top = NULL; gl_renderer->output_set_border(&output->base, GL_RENDERER_BORDER_LEFT, 0, 0, 0, NULL); cairo_surface_destroy(output->gl.border.left); output->gl.border.left = NULL; gl_renderer->output_set_border(&output->base, GL_RENDERER_BORDER_RIGHT, 0, 0, 0, NULL); cairo_surface_destroy(output->gl.border.right); output->gl.border.right = NULL; gl_renderer->output_set_border(&output->base, GL_RENDERER_BORDER_BOTTOM, 0, 0, 0, NULL); cairo_surface_destroy(output->gl.border.bottom); output->gl.border.bottom = NULL; } /* Throw away any remaining SHM buffers */ wl_list_for_each_safe(buffer, next, &output->shm.free_buffers, link) wayland_shm_buffer_destroy(buffer); /* These will get thrown away when they get released */ wl_list_for_each(buffer, &output->shm.buffers, link) buffer->output = NULL; } static int wayland_output_set_windowed(struct wayland_output *output) { struct wayland_compositor *c = (struct wayland_compositor *)output->base.compositor; int tlen; char *title; if (output->frame) return 0; if (output->name) { tlen = strlen(output->name) + strlen(WINDOW_TITLE " - "); title = malloc(tlen + 1); if (!title) return -1; snprintf(title, tlen + 1, WINDOW_TITLE " - %s", output->name); } else { title = strdup(WINDOW_TITLE); } if (!c->theme) { c->theme = theme_create(); if (!c->theme) { free(title); return -1; } } output->frame = frame_create(c->theme, 100, 100, FRAME_BUTTON_CLOSE, title); free(title); if (!output->frame) return -1; if (output->keyboard_count) frame_set_flag(output->frame, FRAME_FLAG_ACTIVE); wayland_output_resize_surface(output); wl_shell_surface_set_toplevel(output->parent.shell_surface); return 0; } static void wayland_output_set_fullscreen(struct wayland_output *output, enum wl_shell_surface_fullscreen_method method, uint32_t framerate, struct wl_output *target) { struct wayland_compositor *c = (struct wayland_compositor *)output->base.compositor; if (output->frame) { frame_destroy(output->frame); output->frame = NULL; } wayland_output_resize_surface(output); if (output->parent.shell_surface) { wl_shell_surface_set_fullscreen(output->parent.shell_surface, method, framerate, target); } else if (c->parent.fshell) { _wl_fullscreen_shell_present_surface(c->parent.fshell, output->parent.surface, method, target); } } static struct weston_mode * wayland_output_choose_mode(struct wayland_output *output, struct weston_mode *ref_mode) { struct weston_mode *mode; /* First look for an exact match */ wl_list_for_each(mode, &output->base.mode_list, link) if (mode->width == ref_mode->width && mode->height == ref_mode->height && mode->refresh == ref_mode->refresh) return mode; /* If we can't find an exact match, ignore refresh and try again */ wl_list_for_each(mode, &output->base.mode_list, link) if (mode->width == ref_mode->width && mode->height == ref_mode->height) return mode; /* Yeah, we failed */ return NULL; } enum mode_status { MODE_STATUS_UNKNOWN, MODE_STATUS_SUCCESS, MODE_STATUS_FAIL, MODE_STATUS_CANCEL, }; static void mode_feedback_successful(void *data, struct _wl_fullscreen_shell_mode_feedback *fb) { enum mode_status *value = data; printf("Mode switch successful\n"); *value = MODE_STATUS_SUCCESS; } static void mode_feedback_failed(void *data, struct _wl_fullscreen_shell_mode_feedback *fb) { enum mode_status *value = data; printf("Mode switch failed\n"); *value = MODE_STATUS_FAIL; } static void mode_feedback_cancelled(void *data, struct _wl_fullscreen_shell_mode_feedback *fb) { enum mode_status *value = data; printf("Mode switch cancelled\n"); *value = MODE_STATUS_CANCEL; } struct _wl_fullscreen_shell_mode_feedback_listener mode_feedback_listener = { mode_feedback_successful, mode_feedback_failed, mode_feedback_cancelled, }; static int wayland_output_switch_mode(struct weston_output *output_base, struct weston_mode *mode) { struct wayland_output *output = (struct wayland_output *) output_base; struct wayland_compositor *c; struct wl_surface *old_surface; struct weston_mode *old_mode; struct _wl_fullscreen_shell_mode_feedback *mode_feedback; enum mode_status mode_status; int ret = 0; if (output_base == NULL) { weston_log("output is NULL.\n"); return -1; } if (mode == NULL) { weston_log("mode is NULL.\n"); return -1; } c = (struct wayland_compositor *)output_base->compositor; if (output->parent.shell_surface || !c->parent.fshell) return -1; mode = wayland_output_choose_mode(output, mode); if (mode == NULL) return -1; if (output->base.current_mode == mode) return 0; old_mode = output->base.current_mode; old_surface = output->parent.surface; output->base.current_mode = mode; output->parent.surface = wl_compositor_create_surface(c->parent.compositor); wl_surface_set_user_data(output->parent.surface, output); /* Blow the old buffers because we changed size/surfaces */ wayland_output_resize_surface(output); mode_feedback = _wl_fullscreen_shell_present_surface_for_mode(c->parent.fshell, output->parent.surface, output->parent.output, mode->refresh); _wl_fullscreen_shell_mode_feedback_add_listener(mode_feedback, &mode_feedback_listener, &mode_status); /* This should kick-start things again */ output->parent.draw_initial_frame = 1; wayland_output_start_repaint_loop(&output->base); mode_status = MODE_STATUS_UNKNOWN; while (mode_status == MODE_STATUS_UNKNOWN && ret >= 0) ret = wl_display_dispatch(c->parent.wl_display); _wl_fullscreen_shell_mode_feedback_destroy(mode_feedback); if (mode_status == MODE_STATUS_FAIL) { output->base.current_mode = old_mode; wl_surface_destroy(output->parent.surface); output->parent.surface = old_surface; wayland_output_resize_surface(output); return -1; } old_mode->flags &= ~WL_OUTPUT_MODE_CURRENT; output->base.current_mode->flags |= WL_OUTPUT_MODE_CURRENT; if (c->use_pixman) { pixman_renderer_output_destroy(output_base); if (wayland_output_init_pixman_renderer(output) < 0) goto err_output; } else { gl_renderer->output_destroy(output_base); wl_egl_window_destroy(output->gl.egl_window); if (wayland_output_init_gl_renderer(output) < 0) goto err_output; } wl_surface_destroy(old_surface); weston_output_schedule_repaint(&output->base); return 0; err_output: /* XXX */ return -1; } static struct wayland_output * wayland_output_create(struct wayland_compositor *c, int x, int y, int width, int height, const char *name, int fullscreen, uint32_t transform, int32_t scale) { struct wayland_output *output; int output_width, output_height; weston_log("Creating %dx%d wayland output at (%d, %d)\n", width, height, x, y); output = zalloc(sizeof *output); if (output == NULL) return NULL; output->name = name ? strdup(name) : NULL; output->base.make = "waywayland"; output->base.model = "none"; output_width = width * scale; output_height = height * scale; output->parent.surface = wl_compositor_create_surface(c->parent.compositor); if (!output->parent.surface) goto err_name; wl_surface_set_user_data(output->parent.surface, output); output->parent.draw_initial_frame = 1; if (c->parent.shell) { output->parent.shell_surface = wl_shell_get_shell_surface(c->parent.shell, output->parent.surface); if (!output->parent.shell_surface) goto err_surface; wl_shell_surface_add_listener(output->parent.shell_surface, &shell_surface_listener, output); } if (fullscreen && c->parent.shell) { wl_shell_surface_set_fullscreen(output->parent.shell_surface, 0, 0, NULL); wl_display_roundtrip(c->parent.wl_display); if (!width) output_width = output->parent.configure_width; if (!height) output_height = output->parent.configure_height; } 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->scale = scale; wl_list_init(&output->base.mode_list); wl_list_insert(&output->base.mode_list, &output->mode.link); output->base.current_mode = &output->mode; wl_list_init(&output->shm.buffers); wl_list_init(&output->shm.free_buffers); weston_output_init(&output->base, &c->base, x, y, width, height, transform, scale); if (c->use_pixman) { if (wayland_output_init_pixman_renderer(output) < 0) goto err_output; output->base.repaint = wayland_output_repaint_pixman; } else { if (wayland_output_init_gl_renderer(output) < 0) goto err_output; output->base.repaint = wayland_output_repaint_gl; } output->base.start_repaint_loop = wayland_output_start_repaint_loop; output->base.destroy = wayland_output_destroy; output->base.assign_planes = NULL; output->base.set_backlight = NULL; output->base.set_dpms = NULL; output->base.switch_mode = wayland_output_switch_mode; wl_list_insert(c->base.output_list.prev, &output->base.link); return output; err_output: weston_output_destroy(&output->base); if (output->parent.shell_surface) wl_shell_surface_destroy(output->parent.shell_surface); err_surface: wl_surface_destroy(output->parent.surface); err_name: free(output->name); /* FIXME: cleanup weston_output */ free(output); return NULL; } static struct wayland_output * wayland_output_create_for_config(struct wayland_compositor *c, struct weston_config_section *config_section, int option_width, int option_height, int option_scale, int32_t x, int32_t y) { struct wayland_output *output; char *mode, *t, *name, *str; int width, height, scale; uint32_t transform; unsigned int i, slen; static const struct { const char *name; uint32_t token; } transform_names[] = { { "normal", WL_OUTPUT_TRANSFORM_NORMAL }, { "90", WL_OUTPUT_TRANSFORM_90 }, { "180", WL_OUTPUT_TRANSFORM_180 }, { "270", WL_OUTPUT_TRANSFORM_270 }, { "flipped", WL_OUTPUT_TRANSFORM_FLIPPED }, { "flipped-90", WL_OUTPUT_TRANSFORM_FLIPPED_90 }, { "flipped-180", WL_OUTPUT_TRANSFORM_FLIPPED_180 }, { "flipped-270", WL_OUTPUT_TRANSFORM_FLIPPED_270 }, }; weston_config_section_get_string(config_section, "name", &name, NULL); if (name) { slen = strlen(name); slen += strlen(WINDOW_TITLE " - "); str = malloc(slen + 1); if (str) snprintf(str, slen + 1, WINDOW_TITLE " - %s", name); free(name); name = str; } if (!name) name = strdup(WINDOW_TITLE); weston_config_section_get_string(config_section, "mode", &mode, "1024x600"); if (sscanf(mode, "%dx%d", &width, &height) != 2) { weston_log("Invalid mode \"%s\" for output %s\n", mode, name); width = 1024; height = 640; } free(mode); if (option_width) width = option_width; if (option_height) height = option_height; weston_config_section_get_int(config_section, "scale", &scale, 1); if (option_scale) scale = option_scale; weston_config_section_get_string(config_section, "transform", &t, "normal"); transform = WL_OUTPUT_TRANSFORM_NORMAL; for (i = 0; i < ARRAY_LENGTH(transform_names); i++) { if (strcmp(transform_names[i].name, t) == 0) { transform = transform_names[i].token; break; } } if (i >= ARRAY_LENGTH(transform_names)) weston_log("Invalid transform \"%s\" for output %s\n", t, name); free(t); output = wayland_output_create(c, x, y, width, height, name, 0, transform, scale); free(name); return output; } static struct wayland_output * wayland_output_create_for_parent_output(struct wayland_compositor *c, struct wayland_parent_output *poutput) { struct wayland_output *output; struct weston_mode *mode; int32_t x; if (poutput->current_mode) { mode = poutput->current_mode; } else if (poutput->preferred_mode) { mode = poutput->preferred_mode; } else if (!wl_list_empty(&poutput->mode_list)) { mode = container_of(poutput->mode_list.next, struct weston_mode, link); } else { weston_log("No valid modes found. Skipping output"); return NULL; } if (!wl_list_empty(&c->base.output_list)) { output = container_of(c->base.output_list.prev, struct wayland_output, base.link); x = output->base.x + output->base.current_mode->width; } else { x = 0; } output = wayland_output_create(c, x, 0, mode->width, mode->height, NULL, 0, WL_OUTPUT_TRANSFORM_NORMAL, 1); if (!output) return NULL; output->parent.output = poutput->global; output->base.make = poutput->physical.make; output->base.model = poutput->physical.model; wl_list_init(&output->base.mode_list); wl_list_insert_list(&output->base.mode_list, &poutput->mode_list); wl_list_init(&poutput->mode_list); wayland_output_set_fullscreen(output, WL_SHELL_SURFACE_FULLSCREEN_METHOD_DRIVER, mode->refresh, poutput->global); if (output->parent.shell_surface) { wl_shell_surface_set_fullscreen(output->parent.shell_surface, WL_SHELL_SURFACE_FULLSCREEN_METHOD_DRIVER, mode->refresh, poutput->global); } else if (c->parent.fshell) { _wl_fullscreen_shell_present_surface(c->parent.fshell, output->parent.surface, _WL_FULLSCREEN_SHELL_PRESENT_METHOD_CENTER, poutput->global); _wl_fullscreen_shell_mode_feedback_destroy( _wl_fullscreen_shell_present_surface_for_mode(c->parent.fshell, output->parent.surface, poutput->global, mode->refresh)); } return output; } static void shell_surface_ping(void *data, struct wl_shell_surface *shell_surface, uint32_t serial) { wl_shell_surface_pong(shell_surface, serial); } static void shell_surface_configure(void *data, struct wl_shell_surface *shell_surface, uint32_t edges, int32_t width, int32_t height) { struct wayland_output *output = data; output->parent.configure_width = width; output->parent.configure_height = height; /* FIXME: implement resizing */ } static void shell_surface_popup_done(void *data, struct wl_shell_surface *shell_surface) { } static const struct wl_shell_surface_listener shell_surface_listener = { shell_surface_ping, shell_surface_configure, shell_surface_popup_done }; /* Events received from the wayland-server this compositor is client of: */ /* parent input interface */ static void input_set_cursor(struct wayland_input *input) { struct wl_buffer *buffer; struct wl_cursor_image *image; if (!input->compositor->cursor) return; /* Couldn't load the cursor. Can't set it */ image = input->compositor->cursor->images[0]; buffer = wl_cursor_image_get_buffer(image); if (!buffer) return; wl_pointer_set_cursor(input->parent.pointer, input->enter_serial, input->parent.cursor.surface, image->hotspot_x, image->hotspot_y); wl_surface_attach(input->parent.cursor.surface, buffer, 0, 0); wl_surface_damage(input->parent.cursor.surface, 0, 0, image->width, image->height); wl_surface_commit(input->parent.cursor.surface); } static void input_handle_pointer_enter(void *data, struct wl_pointer *pointer, uint32_t serial, struct wl_surface *surface, wl_fixed_t x, wl_fixed_t y) { struct wayland_input *input = data; int32_t fx, fy; enum theme_location location; /* XXX: If we get a modifier event immediately before the focus, * we should try to keep the same serial. */ input->enter_serial = serial; input->output = wl_surface_get_user_data(surface); if (input->output->frame) { location = frame_pointer_enter(input->output->frame, input, wl_fixed_to_int(x), wl_fixed_to_int(y)); frame_interior(input->output->frame, &fx, &fy, NULL, NULL); x -= wl_fixed_from_int(fx); y -= wl_fixed_from_int(fy); if (frame_status(input->output->frame) & FRAME_STATUS_REPAINT) weston_output_schedule_repaint(&input->output->base); } else { location = THEME_LOCATION_CLIENT_AREA; } weston_output_transform_coordinate(&input->output->base, x, y, &x, &y); if (location == THEME_LOCATION_CLIENT_AREA) { input->focus = 1; notify_pointer_focus(&input->base, &input->output->base, x, y); wl_pointer_set_cursor(input->parent.pointer, input->enter_serial, NULL, 0, 0); } else { input->focus = 0; notify_pointer_focus(&input->base, NULL, 0, 0); input_set_cursor(input); } } static void input_handle_pointer_leave(void *data, struct wl_pointer *pointer, uint32_t serial, struct wl_surface *surface) { struct wayland_input *input = data; if (input->output->frame) { frame_pointer_leave(input->output->frame, input); if (frame_status(input->output->frame) & FRAME_STATUS_REPAINT) weston_output_schedule_repaint(&input->output->base); } notify_pointer_focus(&input->base, NULL, 0, 0); input->output = NULL; input->focus = 0; } static void input_handle_motion(void *data, struct wl_pointer *pointer, uint32_t time, wl_fixed_t x, wl_fixed_t y) { struct wayland_input *input = data; int32_t fx, fy; enum theme_location location; if (input->output->frame) { location = frame_pointer_motion(input->output->frame, input, wl_fixed_to_int(x), wl_fixed_to_int(y)); frame_interior(input->output->frame, &fx, &fy, NULL, NULL); x -= wl_fixed_from_int(fx); y -= wl_fixed_from_int(fy); if (frame_status(input->output->frame) & FRAME_STATUS_REPAINT) weston_output_schedule_repaint(&input->output->base); } else { location = THEME_LOCATION_CLIENT_AREA; } weston_output_transform_coordinate(&input->output->base, x, y, &x, &y); if (input->focus && location != THEME_LOCATION_CLIENT_AREA) { input_set_cursor(input); notify_pointer_focus(&input->base, NULL, 0, 0); input->focus = 0; } else if (!input->focus && location == THEME_LOCATION_CLIENT_AREA) { wl_pointer_set_cursor(input->parent.pointer, input->enter_serial, NULL, 0, 0); notify_pointer_focus(&input->base, &input->output->base, x, y); input->focus = 1; } if (location == THEME_LOCATION_CLIENT_AREA) notify_motion_absolute(&input->base, time, x, y); } static void input_handle_button(void *data, struct wl_pointer *pointer, uint32_t serial, uint32_t time, uint32_t button, uint32_t state_w) { struct wayland_input *input = data; enum wl_pointer_button_state state = state_w; enum frame_button_state fstate; enum theme_location location; if (input->output->frame) { fstate = state == WL_POINTER_BUTTON_STATE_PRESSED ? FRAME_BUTTON_PRESSED : FRAME_BUTTON_RELEASED; location = frame_pointer_button(input->output->frame, input, button, fstate); if (frame_status(input->output->frame) & FRAME_STATUS_MOVE) { wl_shell_surface_move(input->output->parent.shell_surface, input->parent.seat, serial); frame_status_clear(input->output->frame, FRAME_STATUS_MOVE); return; } if (frame_status(input->output->frame) & FRAME_STATUS_CLOSE) wl_display_terminate(input->compositor->base.wl_display); if (frame_status(input->output->frame) & FRAME_STATUS_REPAINT) weston_output_schedule_repaint(&input->output->base); } else { location = THEME_LOCATION_CLIENT_AREA; } if (location == THEME_LOCATION_CLIENT_AREA) notify_button(&input->base, time, button, state); } static void input_handle_axis(void *data, struct wl_pointer *pointer, uint32_t time, uint32_t axis, wl_fixed_t value) { struct wayland_input *input = data; notify_axis(&input->base, time, axis, value); } static const struct wl_pointer_listener pointer_listener = { input_handle_pointer_enter, input_handle_pointer_leave, input_handle_motion, input_handle_button, input_handle_axis, }; static void input_handle_keymap(void *data, struct wl_keyboard *keyboard, uint32_t format, int fd, uint32_t size) { struct wayland_input *input = data; struct xkb_keymap *keymap; char *map_str; if (!data) { close(fd); return; } if (format == WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1) { map_str = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0); if (map_str == MAP_FAILED) { weston_log("mmap failed: %m\n"); goto error; } keymap = xkb_map_new_from_string(input->compositor->base.xkb_context, map_str, XKB_KEYMAP_FORMAT_TEXT_V1, 0); munmap(map_str, size); if (!keymap) { weston_log("failed to compile keymap\n"); goto error; } input->keyboard_state_update = STATE_UPDATE_NONE; } else if (format == WL_KEYBOARD_KEYMAP_FORMAT_NO_KEYMAP) { weston_log("No keymap provided; falling back to defalt\n"); keymap = NULL; input->keyboard_state_update = STATE_UPDATE_AUTOMATIC; } else { weston_log("Invalid keymap\n"); goto error; } close(fd); if (input->base.keyboard) weston_seat_update_keymap(&input->base, keymap); else weston_seat_init_keyboard(&input->base, keymap); if (keymap) xkb_map_unref(keymap); return; error: wl_keyboard_release(input->parent.keyboard); close(fd); } static void input_handle_keyboard_enter(void *data, struct wl_keyboard *keyboard, uint32_t serial, struct wl_surface *surface, struct wl_array *keys) { struct wayland_input *input = data; struct wayland_output *focus; focus = input->keyboard_focus; if (focus) { /* This shouldn't happen */ focus->keyboard_count--; if (!focus->keyboard_count && focus->frame) frame_unset_flag(focus->frame, FRAME_FLAG_ACTIVE); if (frame_status(focus->frame) & FRAME_STATUS_REPAINT) weston_output_schedule_repaint(&focus->base); } input->keyboard_focus = wl_surface_get_user_data(surface); input->keyboard_focus->keyboard_count++; focus = input->keyboard_focus; if (focus->frame) { frame_set_flag(focus->frame, FRAME_FLAG_ACTIVE); if (frame_status(focus->frame) & FRAME_STATUS_REPAINT) weston_output_schedule_repaint(&focus->base); } /* XXX: If we get a modifier event immediately before the focus, * we should try to keep the same serial. */ notify_keyboard_focus_in(&input->base, keys, STATE_UPDATE_AUTOMATIC); } static void input_handle_keyboard_leave(void *data, struct wl_keyboard *keyboard, uint32_t serial, struct wl_surface *surface) { struct wayland_input *input = data; struct wayland_output *focus; notify_keyboard_focus_out(&input->base); focus = input->keyboard_focus; if (!focus) return; /* This shouldn't happen */ focus->keyboard_count--; if (!focus->keyboard_count && focus->frame) { frame_unset_flag(focus->frame, FRAME_FLAG_ACTIVE); if (frame_status(focus->frame) & FRAME_STATUS_REPAINT) weston_output_schedule_repaint(&focus->base); } input->keyboard_focus = NULL; } static void input_handle_key(void *data, struct wl_keyboard *keyboard, uint32_t serial, uint32_t time, uint32_t key, uint32_t state) { struct wayland_input *input = data; input->key_serial = serial; notify_key(&input->base, time, key, state ? WL_KEYBOARD_KEY_STATE_PRESSED : WL_KEYBOARD_KEY_STATE_RELEASED, input->keyboard_state_update); } static void input_handle_modifiers(void *data, struct wl_keyboard *keyboard, uint32_t serial_in, uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked, uint32_t group) { struct wayland_input *input = data; struct wayland_compositor *c = input->compositor; uint32_t serial_out; /* If we get a key event followed by a modifier event with the * same serial number, then we try to preserve those semantics by * reusing the same serial number on the way out too. */ if (serial_in == input->key_serial) serial_out = wl_display_get_serial(c->base.wl_display); else serial_out = wl_display_next_serial(c->base.wl_display); xkb_state_update_mask(input->base.keyboard->xkb_state.state, mods_depressed, mods_latched, mods_locked, 0, 0, group); notify_modifiers(&input->base, serial_out); } static const struct wl_keyboard_listener keyboard_listener = { input_handle_keymap, input_handle_keyboard_enter, input_handle_keyboard_leave, input_handle_key, input_handle_modifiers, }; static void input_handle_capabilities(void *data, struct wl_seat *seat, enum wl_seat_capability caps) { struct wayland_input *input = data; if ((caps & WL_SEAT_CAPABILITY_POINTER) && !input->parent.pointer) { input->parent.pointer = wl_seat_get_pointer(seat); wl_pointer_set_user_data(input->parent.pointer, input); wl_pointer_add_listener(input->parent.pointer, &pointer_listener, input); weston_seat_init_pointer(&input->base); } else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && input->parent.pointer) { wl_pointer_destroy(input->parent.pointer); input->parent.pointer = NULL; } if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !input->parent.keyboard) { input->parent.keyboard = wl_seat_get_keyboard(seat); wl_keyboard_set_user_data(input->parent.keyboard, input); wl_keyboard_add_listener(input->parent.keyboard, &keyboard_listener, input); } else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && input->parent.keyboard) { wl_keyboard_destroy(input->parent.keyboard); input->parent.keyboard = NULL; } } static const struct wl_seat_listener seat_listener = { input_handle_capabilities, }; static void display_add_seat(struct wayland_compositor *c, uint32_t id) { struct wayland_input *input; input = zalloc(sizeof *input); if (input == NULL) return; weston_seat_init(&input->base, &c->base, "default"); input->compositor = c; input->parent.seat = wl_registry_bind(c->parent.registry, id, &wl_seat_interface, 1); wl_list_insert(c->input_list.prev, &input->link); wl_seat_add_listener(input->parent.seat, &seat_listener, input); wl_seat_set_user_data(input->parent.seat, input); input->parent.cursor.surface = wl_compositor_create_surface(c->parent.compositor); } static void wayland_parent_output_geometry(void *data, struct wl_output *output_proxy, int32_t x, int32_t y, int32_t physical_width, int32_t physical_height, int32_t subpixel, const char *make, const char *model, int32_t transform) { struct wayland_parent_output *output = data; output->x = x; output->y = y; output->physical.width = physical_width; output->physical.height = physical_height; output->physical.subpixel = subpixel; free(output->physical.make); output->physical.make = strdup(make); free(output->physical.model); output->physical.model = strdup(model); output->transform = transform; } static struct weston_mode * find_mode(struct wl_list *list, int32_t width, int32_t height, uint32_t refresh) { struct weston_mode *mode; wl_list_for_each(mode, list, link) { if (mode->width == width && mode->height == height && mode->refresh == refresh) return mode; } mode = zalloc(sizeof *mode); if (!mode) return NULL; mode->width = width; mode->height = height; mode->refresh = refresh; wl_list_insert(list, &mode->link); return mode; } static void wayland_parent_output_mode(void *data, struct wl_output *wl_output_proxy, uint32_t flags, int32_t width, int32_t height, int32_t refresh) { struct wayland_parent_output *output = data; struct weston_mode *mode; if (output->output) { mode = find_mode(&output->output->base.mode_list, width, height, refresh); if (!mode) return; mode->flags = flags; /* Do a mode-switch on current mode change? */ } else { mode = find_mode(&output->mode_list, width, height, refresh); if (!mode) return; mode->flags = flags; if (flags & WL_OUTPUT_MODE_CURRENT) output->current_mode = mode; if (flags & WL_OUTPUT_MODE_PREFERRED) output->preferred_mode = mode; } } static const struct wl_output_listener output_listener = { wayland_parent_output_geometry, wayland_parent_output_mode }; static void wayland_compositor_register_output(struct wayland_compositor *c, uint32_t id) { struct wayland_parent_output *output; output = zalloc(sizeof *output); if (!output) return; output->id = id; output->global = wl_registry_bind(c->parent.registry, id, &wl_output_interface, 1); if (!output->global) { free(output); return; } wl_output_add_listener(output->global, &output_listener, output); output->scale = 0; output->transform = WL_OUTPUT_TRANSFORM_NORMAL; output->physical.subpixel = WL_OUTPUT_SUBPIXEL_UNKNOWN; wl_list_init(&output->mode_list); wl_list_insert(&c->parent.output_list, &output->link); if (c->sprawl_across_outputs) { wl_display_roundtrip(c->parent.wl_display); wayland_output_create_for_parent_output(c, output); } } static void wayland_parent_output_destroy(struct wayland_parent_output *output) { struct weston_mode *mode, *next; if (output->output) wayland_output_destroy(&output->output->base); wl_output_destroy(output->global); free(output->physical.make); free(output->physical.model); wl_list_for_each_safe(mode, next, &output->mode_list, link) { wl_list_remove(&mode->link); free(mode); } } static void registry_handle_global(void *data, struct wl_registry *registry, uint32_t name, const char *interface, uint32_t version) { struct wayland_compositor *c = data; if (strcmp(interface, "wl_compositor") == 0) { c->parent.compositor = wl_registry_bind(registry, name, &wl_compositor_interface, 1); } else if (strcmp(interface, "wl_shell") == 0) { c->parent.shell = wl_registry_bind(registry, name, &wl_shell_interface, 1); } else if (strcmp(interface, "_wl_fullscreen_shell") == 0) { c->parent.fshell = wl_registry_bind(registry, name, &_wl_fullscreen_shell_interface, 1); } else if (strcmp(interface, "wl_seat") == 0) { display_add_seat(c, name); } else if (strcmp(interface, "wl_output") == 0) { wayland_compositor_register_output(c, name); } else if (strcmp(interface, "wl_shm") == 0) { c->parent.shm = wl_registry_bind(registry, name, &wl_shm_interface, 1); } } static void registry_handle_global_remove(void *data, struct wl_registry *registry, uint32_t name) { struct wayland_compositor *c = data; struct wayland_parent_output *output; wl_list_for_each(output, &c->parent.output_list, link) if (output->id == name) wayland_parent_output_destroy(output); } static const struct wl_registry_listener registry_listener = { registry_handle_global, registry_handle_global_remove }; static int wayland_compositor_handle_event(int fd, uint32_t mask, void *data) { struct wayland_compositor *c = data; int count = 0; if ((mask & WL_EVENT_HANGUP) || (mask & WL_EVENT_ERROR)) { wl_display_terminate(c->base.wl_display); return 0; } if (mask & WL_EVENT_READABLE) count = wl_display_dispatch(c->parent.wl_display); if (mask & WL_EVENT_WRITABLE) wl_display_flush(c->parent.wl_display); if (mask == 0) { count = wl_display_dispatch_pending(c->parent.wl_display); wl_display_flush(c->parent.wl_display); } return count; } static void wayland_restore(struct weston_compositor *ec) { } static void wayland_destroy(struct weston_compositor *ec) { struct wayland_compositor *c = (struct wayland_compositor *) ec; weston_compositor_shutdown(ec); if (c->parent.shm) wl_shm_destroy(c->parent.shm); free(ec); } static const char *left_ptrs[] = { "left_ptr", "default", "top_left_arrow", "left-arrow" }; static void create_cursor(struct wayland_compositor *c, struct weston_config *config) { struct weston_config_section *s; int size; char *theme = NULL; unsigned int i; s = weston_config_get_section(config, "shell", NULL, NULL); weston_config_section_get_string(s, "cursor-theme", &theme, NULL); weston_config_section_get_int(s, "cursor-size", &size, 32); c->cursor_theme = wl_cursor_theme_load(theme, size, c->parent.shm); if (!c->cursor_theme) { fprintf(stderr, "could not load cursor theme\n"); return; } free(theme); c->cursor = NULL; for (i = 0; !c->cursor && i < ARRAY_LENGTH(left_ptrs); ++i) c->cursor = wl_cursor_theme_get_cursor(c->cursor_theme, left_ptrs[i]); if (!c->cursor) { fprintf(stderr, "could not load left cursor\n"); return; } } static void fullscreen_binding(struct weston_seat *seat_base, uint32_t time, uint32_t key, void *data) { struct wayland_compositor *c = data; struct wayland_input *input = NULL; wl_list_for_each(input, &c->input_list, link) if (&input->base == seat_base) break; if (!input || !input->output) return; if (input->output->frame) wayland_output_set_fullscreen(input->output, 0, 0, NULL); else wayland_output_set_windowed(input->output); weston_output_schedule_repaint(&input->output->base); } static struct wayland_compositor * wayland_compositor_create(struct wl_display *display, int use_pixman, const char *display_name, int *argc, char *argv[], struct weston_config *config) { struct wayland_compositor *c; struct wl_event_loop *loop; int fd; c = zalloc(sizeof *c); if (c == NULL) return NULL; if (weston_compositor_init(&c->base, display, argc, argv, config) < 0) goto err_free; c->parent.wl_display = wl_display_connect(display_name); if (c->parent.wl_display == NULL) { weston_log("failed to create display: %m\n"); goto err_compositor; } wl_list_init(&c->parent.output_list); wl_list_init(&c->input_list); c->parent.registry = wl_display_get_registry(c->parent.wl_display); wl_registry_add_listener(c->parent.registry, ®istry_listener, c); wl_display_roundtrip(c->parent.wl_display); create_cursor(c, config); c->base.wl_display = display; c->use_pixman = use_pixman; if (!c->use_pixman) { gl_renderer = weston_load_module("gl-renderer.so", "gl_renderer_interface"); if (!gl_renderer) c->use_pixman = 1; } if (!c->use_pixman) { if (gl_renderer->create(&c->base, c->parent.wl_display, gl_renderer->alpha_attribs, NULL) < 0) { weston_log("Failed to initialize the GL renderer; " "falling back to pixman.\n"); c->use_pixman = 1; } } if (c->use_pixman) { if (pixman_renderer_init(&c->base) < 0) { weston_log("Failed to initialize pixman renderer\n"); goto err_display; } } c->base.destroy = wayland_destroy; c->base.restore = wayland_restore; loop = wl_display_get_event_loop(c->base.wl_display); fd = wl_display_get_fd(c->parent.wl_display); c->parent.wl_source = wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE, wayland_compositor_handle_event, c); if (c->parent.wl_source == NULL) goto err_renderer; wl_event_source_check(c->parent.wl_source); return c; err_renderer: c->base.renderer->destroy(&c->base); err_display: wl_display_disconnect(c->parent.wl_display); err_compositor: weston_compositor_shutdown(&c->base); err_free: free(c); return NULL; } static void wayland_compositor_destroy(struct wayland_compositor *c) { struct weston_output *output, *next; wl_list_for_each_safe(output, next, &c->base.output_list, link) wayland_output_destroy(output); c->base.renderer->destroy(&c->base); wl_display_disconnect(c->parent.wl_display); if (c->theme) theme_destroy(c->theme); if (c->frame_device) cairo_device_destroy(c->frame_device); wl_cursor_theme_destroy(c->cursor_theme); weston_compositor_shutdown(&c->base); free(c); } WL_EXPORT struct weston_compositor * backend_init(struct wl_display *display, int *argc, char *argv[], struct weston_config *config) { struct wayland_compositor *c; struct wayland_output *output; struct wayland_parent_output *poutput; struct weston_config_section *section; int x, count, width, height, scale, use_pixman, fullscreen, sprawl; const char *section_name, *display_name; char *name; const struct weston_option wayland_options[] = { { WESTON_OPTION_INTEGER, "width", 0, &width }, { WESTON_OPTION_INTEGER, "height", 0, &height }, { WESTON_OPTION_INTEGER, "scale", 0, &scale }, { WESTON_OPTION_STRING, "display", 0, &display_name }, { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &use_pixman }, { WESTON_OPTION_INTEGER, "output-count", 0, &count }, { WESTON_OPTION_BOOLEAN, "fullscreen", 0, &fullscreen }, { WESTON_OPTION_BOOLEAN, "sprawl", 0, &sprawl }, }; width = 0; height = 0; scale = 0; display_name = NULL; use_pixman = 0; count = 1; fullscreen = 0; sprawl = 0; parse_options(wayland_options, ARRAY_LENGTH(wayland_options), argc, argv); c = wayland_compositor_create(display, use_pixman, display_name, argc, argv, config); if (!c) return NULL; if (sprawl || c->parent.fshell) { c->sprawl_across_outputs = 1; wl_display_roundtrip(c->parent.wl_display); wl_list_for_each(poutput, &c->parent.output_list, link) wayland_output_create_for_parent_output(c, poutput); return &c->base; } if (fullscreen) { output = wayland_output_create(c, 0, 0, width, height, NULL, 1, 0, 1); if (!output) goto err_outputs; wayland_output_set_fullscreen(output, 0, 0, NULL); return &c->base; } section = NULL; x = 0; while (weston_config_next_section(config, §ion, §ion_name)) { if (!section_name || strcmp(section_name, "output") != 0) continue; weston_config_section_get_string(section, "name", &name, NULL); if (name == NULL) continue; if (name[0] != 'W' || name[1] != 'L') { free(name); continue; } free(name); output = wayland_output_create_for_config(c, section, width, height, scale, x, 0); if (!output) goto err_outputs; if (wayland_output_set_windowed(output)) goto err_outputs; x += output->base.width; --count; } if (!width) width = 1024; if (!height) height = 640; if (!scale) scale = 1; while (count > 0) { output = wayland_output_create(c, x, 0, width, height, NULL, 0, 0, scale); if (!output) goto err_outputs; if (wayland_output_set_windowed(output)) goto err_outputs; x += width; --count; } weston_compositor_add_key_binding(&c->base, KEY_F, MODIFIER_CTRL | MODIFIER_ALT, fullscreen_binding, c); return &c->base; err_outputs: wayland_compositor_destroy(c); return NULL; }