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/*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include "compositor.h"
struct headless_compositor {
struct weston_compositor base;
struct weston_seat fake_seat;
};
struct headless_output {
struct weston_output base;
struct weston_mode mode;
struct wl_event_source *finish_frame_timer;
};
static void
headless_output_start_repaint_loop(struct weston_output *output)
{
uint32_t msec;
struct timeval tv;
gettimeofday(&tv, NULL);
msec = tv.tv_sec * 1000 + tv.tv_usec / 1000;
weston_output_finish_frame(output, msec);
}
static int
finish_frame_handler(void *data)
{
headless_output_start_repaint_loop(data);
return 1;
}
static void
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;
}
static void
headless_output_destroy(struct weston_output *output_base)
{
struct headless_output *output = (struct headless_output *) output_base;
wl_event_source_remove(output->finish_frame_timer);
free(output);
return;
}
static int
headless_compositor_create_output(struct headless_compositor *c,
int width, int height)
{
struct headless_output *output;
struct wl_event_loop *loop;
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;
weston_output_init(&output->base, &c->base, 0, 0, width, height,
WL_OUTPUT_TRANSFORM_NORMAL);
output->base.make = "weston";
output->base.model = "headless";
weston_output_move(&output->base, 0, 0);
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.origin = output->base.current;
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;
wl_list_insert(c->base.output_list.prev, &output->base.link);
return 0;
}
static void
headless_restore(struct weston_compositor *ec)
{
}
static void
headless_destroy(struct weston_compositor *ec)
{
struct headless_compositor *c = (struct headless_compositor *) ec;
ec->renderer->destroy(ec);
weston_seat_release(&c->fake_seat);
weston_compositor_shutdown(ec);
free(ec);
}
static struct weston_compositor *
headless_compositor_create(struct wl_display *display,
int width, int height, const char *display_name,
int *argc, char *argv[], int config_fd)
{
struct headless_compositor *c;
c = calloc(1, sizeof *c);
if (c == NULL)
return NULL;
memset(c, 0, sizeof *c);
if (weston_compositor_init(&c->base, display, argc, argv,
config_fd) < 0)
goto err_free;
weston_seat_init(&c->fake_seat, &c->base);
c->base.destroy = headless_destroy;
c->base.restore = headless_restore;
if (headless_compositor_create_output(c, width, height) < 0)
goto err_compositor;
if (noop_renderer_init(&c->base) < 0)
goto err_compositor;
return &c->base;
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[],
int config_fd)
{
int width = 1024, height = 640;
char *display_name = NULL;
const struct weston_option headless_options[] = {
{ WESTON_OPTION_INTEGER, "width", 0, &width },
{ WESTON_OPTION_INTEGER, "height", 0, &height },
};
parse_options(headless_options,
ARRAY_LENGTH(headless_options), argc, argv);
return headless_compositor_create(display, width, height, display_name,
argc, argv, config_fd);
}
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