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/*
* Copyright © 2010 Kristian Høgsberg
*
* 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_XORG_CONFIG_H
#include "xorg-config.h"
#endif
#include <unistd.h>
#include <fcntl.h>
#include <wayland-util.h>
#include <wayland-client.h>
#include <xf86Crtc.h>
#include "xwayland.h"
#include "xwayland-private.h"
static void
compositor_handle_visual(void *data,
struct wl_compositor *compositor,
uint32_t id, uint32_t token)
{
struct xwl_screen *xwl_screen = data;
switch (token) {
case WL_COMPOSITOR_VISUAL_ARGB32:
xwl_screen->argb_visual =
wl_visual_create(xwl_screen->display, id, 1);
break;
case WL_COMPOSITOR_VISUAL_PREMULTIPLIED_ARGB32:
xwl_screen->premultiplied_argb_visual =
wl_visual_create(xwl_screen->display, id, 1);
break;
case WL_COMPOSITOR_VISUAL_XRGB32:
xwl_screen->rgb_visual =
wl_visual_create(xwl_screen->display, id, 1);
break;
}
}
static const struct wl_compositor_listener compositor_listener = {
compositor_handle_visual,
};
static void
display_handle_geometry(void *data,
struct wl_output *output,
int32_t x, int32_t y,
int32_t width, int32_t height)
{
struct xwl_output *xwl_output = data;
xwl_output->x = x;
xwl_output->y = y;
xwl_output->width = width;
xwl_output->height = height;
xwl_output->xwl_screen->width = width;
xwl_output->xwl_screen->height = height;
}
static const struct wl_output_listener output_listener = {
display_handle_geometry,
};
static void
create_output(struct xwl_screen *xwl_screen, uint32_t id,
uint32_t version)
{
struct xwl_output *xwl_output;
xwl_output = xwl_output_create(xwl_screen);
xwl_output->output = wl_output_create (xwl_screen->display, id, 1);
wl_output_add_listener(xwl_output->output,
&output_listener, xwl_output);
}
static void
global_handler(struct wl_display *display,
uint32_t id,
const char *interface,
uint32_t version,
void *data)
{
struct xwl_screen *xwl_screen = data;
if (strcmp (interface, "wl_compositor") == 0) {
xwl_screen->compositor =
wl_compositor_create (xwl_screen->display, id, 1);
wl_compositor_add_listener(xwl_screen->compositor,
&compositor_listener, xwl_screen);
} else if (strcmp (interface, "wl_shm") == 0) {
xwl_screen->shm = wl_shm_create (xwl_screen->display, id, 1);
} else if (strcmp (interface, "wl_output") == 0) {
create_output(xwl_screen, id, 1);
}
}
static int
source_update(uint32_t mask, void *data)
{
struct xwl_screen *xwl_screen = data;
xwl_screen->mask = mask;
return 0;
}
static void
wakeup_handler(pointer data, int err, pointer read_mask)
{
struct xwl_screen *xwl_screen = data;
if (err >= 0 && FD_ISSET(xwl_screen->wayland_fd, (fd_set *) read_mask))
wl_display_iterate(xwl_screen->display, WL_DISPLAY_READABLE);
}
static void
block_handler(pointer data, struct timeval **tv, pointer read_mask)
{
struct xwl_screen *xwl_screen = data;
/* The X servers "main loop" doesn't let us select for
* writable, so let's just do a blocking write here. */
while (xwl_screen->mask & WL_DISPLAY_WRITABLE)
wl_display_iterate(xwl_screen->display, WL_DISPLAY_WRITABLE);
}
static void
sync_callback(void *data)
{
int *done = data;
*done = 1;
}
void
xwl_force_roundtrip(struct xwl_screen *xwl_screen)
{
int done = 0;
wl_display_sync_callback(xwl_screen->display, sync_callback, &done);
wl_display_iterate(xwl_screen->display, WL_DISPLAY_WRITABLE);
while (!done)
wl_display_iterate(xwl_screen->display, WL_DISPLAY_READABLE);
}
int
wayland_screen_init(struct xwl_screen *xwl_screen)
{
AddGeneralSocket(xwl_screen->wayland_fd);
RegisterBlockAndWakeupHandlers(block_handler, wakeup_handler, xwl_screen);
return Success;
}
int
wayland_screen_pre_init(struct xwl_screen *xwl_screen, int use_drm)
{
int ret;
xwl_screen->display = wl_display_connect(NULL);
if (xwl_screen->display == NULL) {
ErrorF("wl_display_create failed\n");
return BadAlloc;
}
/* Set up listener so we'll catch all events. */
xwl_screen->global_listener =
wl_display_add_global_listener(xwl_screen->display,
global_handler, xwl_screen);
/* Process connection events. */
wl_display_iterate(xwl_screen->display, WL_DISPLAY_READABLE);
xwl_screen->wayland_fd =
wl_display_get_fd(xwl_screen->display, source_update, xwl_screen);
#ifdef WITH_LIBDRM
if (use_drm)
ret = xwl_drm_pre_init(xwl_screen);
if (use_drm && ret != Success)
return ret;
#endif
if (!xwl_screen->premultiplied_argb_visual || !xwl_screen->rgb_visual)
xwl_force_roundtrip(xwl_screen);
if (!xwl_screen->premultiplied_argb_visual || !xwl_screen->rgb_visual)
return BadMatch;
return Success;
}
int
wayland_screen_close(struct xwl_screen *xwl_screen)
{
struct xwl_input_device *xwl_input_device, *itmp;
struct xwl_window *xwl_window, *wtmp;
if (xwl_screen->input_listener)
wl_display_remove_global_listener(xwl_screen->display,
xwl_screen->input_listener);
list_for_each_entry_safe(xwl_input_device, itmp,
&xwl_screen->input_device_list, link) {
wl_input_device_destroy(xwl_input_device->input_device);
free(xwl_input_device);
}
list_for_each_entry_safe(xwl_window, wtmp,
&xwl_screen->window_list, link) {
wl_buffer_destroy(xwl_window->buffer);
wl_surface_destroy(xwl_window->surface);
free(xwl_window);
}
xwl_screen->input_listener = NULL;
list_init(&xwl_screen->input_device_list);
list_init(&xwl_screen->damage_window_list);
list_init(&xwl_screen->window_list);
xwl_screen->root_x = 0;
xwl_screen->root_y = 0;
xwl_force_roundtrip(xwl_screen);
return Success;
}
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