/* * Copyright © 2010-2011 Benjamin Franzke * Copyright © 2012 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. */ #include "config.h" #include #include #include #include #include "compositor.h" #include "pixman-renderer.h" #include "presentation_timing-server-protocol.h" struct headless_compositor { struct weston_compositor base; struct weston_seat fake_seat; bool use_pixman; }; struct headless_output { struct weston_output base; struct weston_mode mode; struct wl_event_source *finish_frame_timer; uint32_t *image_buf; pixman_image_t *image; }; struct headless_parameters { int width; int height; int use_pixman; uint32_t transform; }; static void headless_output_start_repaint_loop(struct weston_output *output) { struct timespec ts; weston_compositor_read_presentation_clock(output->compositor, &ts); weston_output_finish_frame(output, &ts, PRESENTATION_FEEDBACK_INVALID); } static int finish_frame_handler(void *data) { struct headless_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 int headless_output_repaint(struct weston_output *output_base, pixman_region32_t *damage) { struct headless_output *output = (struct headless_output *) output_base; struct weston_compositor *ec = output->base.compositor; ec->renderer->repaint_output(&output->base, damage); pixman_region32_subtract(&ec->primary_plane.damage, &ec->primary_plane.damage, damage); wl_event_source_timer_update(output->finish_frame_timer, 16); return 0; } static void headless_output_destroy(struct weston_output *output_base) { struct headless_output *output = (struct headless_output *) output_base; struct headless_compositor *c = (struct headless_compositor *) output->base.compositor; wl_event_source_remove(output->finish_frame_timer); if (c->use_pixman) { pixman_renderer_output_destroy(&output->base); pixman_image_unref(output->image); free(output->image_buf); } weston_output_destroy(&output->base); free(output); return; } static int headless_compositor_create_output(struct headless_compositor *c, struct headless_parameters *param) { struct headless_output *output; struct wl_event_loop *loop; output = zalloc(sizeof *output); if (output == NULL) return -1; output->mode.flags = WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED; output->mode.width = param->width; output->mode.height = param->height; output->mode.refresh = 60000; wl_list_init(&output->base.mode_list); wl_list_insert(&output->base.mode_list, &output->mode.link); output->base.current_mode = &output->mode; weston_output_init(&output->base, &c->base, 0, 0, param->width, param->height, param->transform, 1); output->base.make = "weston"; output->base.model = "headless"; 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.start_repaint_loop = headless_output_start_repaint_loop; output->base.repaint = headless_output_repaint; output->base.destroy = headless_output_destroy; output->base.assign_planes = NULL; output->base.set_backlight = NULL; output->base.set_dpms = NULL; output->base.switch_mode = NULL; if (c->use_pixman) { output->image_buf = malloc(param->width * param->height * 4); if (!output->image_buf) return -1; output->image = pixman_image_create_bits(PIXMAN_x8r8g8b8, param->width, param->height, output->image_buf, param->width * 4); if (pixman_renderer_output_create(&output->base) < 0) return -1; pixman_renderer_output_set_buffer(&output->base, output->image); } wl_list_insert(c->base.output_list.prev, &output->base.link); return 0; } static int headless_input_create(struct headless_compositor *c) { weston_seat_init(&c->fake_seat, &c->base, "default"); weston_seat_init_pointer(&c->fake_seat); if (weston_seat_init_keyboard(&c->fake_seat, NULL) < 0) return -1; return 0; } static void headless_input_destroy(struct headless_compositor *c) { weston_seat_release(&c->fake_seat); } static void headless_restore(struct weston_compositor *ec) { } static void headless_destroy(struct weston_compositor *ec) { struct headless_compositor *c = (struct headless_compositor *) ec; headless_input_destroy(c); weston_compositor_shutdown(ec); free(ec); } static struct weston_compositor * headless_compositor_create(struct wl_display *display, struct headless_parameters *param, const char *display_name, int *argc, char *argv[], struct weston_config *config) { struct headless_compositor *c; c = zalloc(sizeof *c); if (c == NULL) return NULL; if (weston_compositor_init(&c->base, display, argc, argv, config) < 0) goto err_free; if (weston_compositor_set_presentation_clock_software(&c->base) < 0) goto err_compositor; if (headless_input_create(c) < 0) goto err_compositor; c->base.destroy = headless_destroy; c->base.restore = headless_restore; c->use_pixman = param->use_pixman; if (c->use_pixman) { pixman_renderer_init(&c->base); } if (headless_compositor_create_output(c, param) < 0) goto err_input; if (!c->use_pixman && noop_renderer_init(&c->base) < 0) goto err_input; return &c->base; err_input: headless_input_destroy(c); err_compositor: weston_compositor_shutdown(&c->base); err_free: free(c); return NULL; } WL_EXPORT struct weston_compositor * backend_init(struct wl_display *display, int *argc, char *argv[], struct weston_config *config) { int width = 1024, height = 640; char *display_name = NULL; struct headless_parameters param = { 0, }; const char *transform = "normal"; const struct weston_option headless_options[] = { { WESTON_OPTION_INTEGER, "width", 0, &width }, { WESTON_OPTION_INTEGER, "height", 0, &height }, { WESTON_OPTION_BOOLEAN, "use-pixman", 0, ¶m.use_pixman }, { WESTON_OPTION_STRING, "transform", 0, &transform }, }; parse_options(headless_options, ARRAY_LENGTH(headless_options), argc, argv); param.width = width; param.height = height; if (weston_parse_transform(transform, ¶m.transform) < 0) weston_log("Invalid transform \"%s\"\n", transform); return headless_compositor_create(display, ¶m, display_name, argc, argv, config); }