Commit 0617c635 authored by Olivier Fourdan's avatar Olivier Fourdan
Browse files

xwayland: Separate Xwayland screen code



Move Xwayland screen related code to a separate source file and header.
Signed-off-by: default avatarOlivier Fourdan <ofourdan@redhat.com>
Reviewed-by: Michel Dänzer's avatarMichel Dänzer <mdaenzer@redhat.com>
parent 211609a9
......@@ -19,6 +19,8 @@ Xwayland_SOURCES = \
xwayland-pixmap.c \
xwayland-pixmap.h \
xwayland-present.h \
xwayland-screen.c \
xwayland-screen.h \
xwayland-shm.c \
xwayland-shm.h \
xwayland-types.h \
......
......@@ -8,6 +8,8 @@ srcs = [
'xwayland-pixmap.c',
'xwayland-pixmap.h',
'xwayland-present.h',
'xwayland-screen.c',
'xwayland-screen.h',
'xwayland-shm.c',
'xwayland-shm.h',
'xwayland-types.h',
......
......@@ -35,6 +35,7 @@
#include "xwayland.h"
#include "xwayland-cursor.h"
#include "xwayland-input.h"
#include "xwayland-screen.h"
#include "xwayland-shm.h"
#include "xwayland-types.h"
......
......@@ -43,6 +43,7 @@
#include "xwayland.h"
#include "xwayland-glamor.h"
#include "xwayland-pixmap.h"
#include "xwayland-screen.h"
#include "wayland-eglstream-client-protocol.h"
#include "wayland-eglstream-controller-client-protocol.h"
......
......@@ -49,6 +49,7 @@
#include "xwayland.h"
#include "xwayland-glamor.h"
#include "xwayland-pixmap.h"
#include "xwayland-screen.h"
#include "linux-dmabuf-unstable-v1-client-protocol.h"
......
......@@ -39,6 +39,7 @@
#include "xwayland.h"
#include "xwayland-glamor.h"
#include "xwayland-screen.h"
#include "xwayland-window.h"
static void
......
......@@ -43,6 +43,8 @@
#include "glamor_context.h"
#include "glamor.h"
#include "xwayland-screen.h"
/* Can't get these from <GL/glx.h> since it pulls in client headers */
#define GLX_RGBA_BIT 0x00000001
#define GLX_WINDOW_BIT 0x00000001
......
......@@ -43,6 +43,7 @@
#include "xwayland-cursor.h"
#include "xwayland-input.h"
#include "xwayland-window.h"
#include "xwayland-screen.h"
#include "pointer-constraints-unstable-v1-client-protocol.h"
#include "relative-pointer-unstable-v1-client-protocol.h"
......
......@@ -30,6 +30,7 @@
#include "xwayland.h"
#include "xwayland-output.h"
#include "xwayland-screen.h"
#include "xwayland-window.h"
#include "xdg-output-unstable-v1-client-protocol.h"
......
......@@ -32,6 +32,7 @@
#include "xwayland.h"
#include "xwayland-present.h"
#include "xwayland-screen.h"
#include "xwayland-window.h"
#include "xwayland-pixmap.h"
#include "glamor.h"
......
/*
* Copyright © 2011-2014 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 <xwayland-config.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <X11/Xatom.h>
#include <micmap.h>
#include <misyncshm.h>
#include <os.h>
#include <fb.h>
#include <dixstruct.h>
#include <propertyst.h>
#include <inputstr.h>
#include <xserver_poll.h>
#include "xwayland-cursor.h"
#include "xwayland-screen.h"
#include "xwayland-window.h"
#include "xwayland-input.h"
#include "xwayland-output.h"
#include "xwayland-pixmap.h"
#include "xwayland-present.h"
#include "xwayland-shm.h"
#include "xwayland.h"
#include "xdg-output-unstable-v1-client-protocol.h"
#include "viewporter-client-protocol.h"
static DevPrivateKeyRec xwl_screen_private_key;
static DevPrivateKeyRec xwl_client_private_key;
_X_NORETURN
static void _X_ATTRIBUTE_PRINTF(1, 2)
xwl_give_up(const char *f, ...)
{
va_list args;
va_start(args, f);
VErrorFSigSafe(f, args);
va_end(args);
CloseWellKnownConnections();
OsCleanup(TRUE);
fflush(stderr);
exit(1);
}
struct xwl_client *
xwl_client_get(ClientPtr client)
{
return dixLookupPrivate(&client->devPrivates, &xwl_client_private_key);
}
struct xwl_screen *
xwl_screen_get(ScreenPtr screen)
{
return dixLookupPrivate(&screen->devPrivates, &xwl_screen_private_key);
}
Bool
xwl_screen_has_viewport_support(struct xwl_screen *xwl_screen)
{
return wl_compositor_get_version(xwl_screen->compositor) >=
WL_SURFACE_DAMAGE_BUFFER_SINCE_VERSION &&
xwl_screen->viewporter != NULL;
}
Bool
xwl_screen_has_resolution_change_emulation(struct xwl_screen *xwl_screen)
{
/* Resolution change emulation is only supported in rootless mode and
* it requires viewport support.
*/
return xwl_screen->rootless && xwl_screen_has_viewport_support(xwl_screen);
}
/* Return the output @ 0x0, falling back to the first output in the list */
struct xwl_output *
xwl_screen_get_first_output(struct xwl_screen *xwl_screen)
{
struct xwl_output *xwl_output;
xorg_list_for_each_entry(xwl_output, &xwl_screen->output_list, link) {
if (xwl_output->x == 0 && xwl_output->y == 0)
return xwl_output;
}
if (xorg_list_is_empty(&xwl_screen->output_list))
return NULL;
return xorg_list_first_entry(&xwl_screen->output_list, struct xwl_output, link);
}
static void
xwl_property_callback(CallbackListPtr *pcbl, void *closure,
void *calldata)
{
ScreenPtr screen = closure;
PropertyStateRec *rec = calldata;
struct xwl_screen *xwl_screen;
struct xwl_window *xwl_window;
if (rec->win->drawable.pScreen != screen)
return;
xwl_window = xwl_window_get(rec->win);
if (!xwl_window)
return;
xwl_screen = xwl_screen_get(screen);
if (rec->prop->propertyName == xwl_screen->allow_commits_prop)
xwl_window_update_property(xwl_window, rec);
}
Bool
xwl_close_screen(ScreenPtr screen)
{
struct xwl_screen *xwl_screen = xwl_screen_get(screen);
struct xwl_output *xwl_output, *next_xwl_output;
struct xwl_seat *xwl_seat, *next_xwl_seat;
DeleteCallback(&PropertyStateCallback, xwl_property_callback, screen);
xorg_list_for_each_entry_safe(xwl_output, next_xwl_output,
&xwl_screen->output_list, link)
xwl_output_destroy(xwl_output);
xorg_list_for_each_entry_safe(xwl_seat, next_xwl_seat,
&xwl_screen->seat_list, link)
xwl_seat_destroy(xwl_seat);
xwl_screen_release_tablet_manager(xwl_screen);
RemoveNotifyFd(xwl_screen->wayland_fd);
wl_display_disconnect(xwl_screen->display);
screen->CloseScreen = xwl_screen->CloseScreen;
free(xwl_screen);
return screen->CloseScreen(screen);
}
static struct xwl_seat *
xwl_screen_get_default_seat(struct xwl_screen *xwl_screen)
{
if (xorg_list_is_empty(&xwl_screen->seat_list))
return NULL;
return container_of(xwl_screen->seat_list.prev,
struct xwl_seat,
link);
}
static void
xwl_cursor_warped_to(DeviceIntPtr device,
ScreenPtr screen,
ClientPtr client,
WindowPtr window,
SpritePtr sprite,
int x, int y)
{
struct xwl_screen *xwl_screen = xwl_screen_get(screen);
struct xwl_seat *xwl_seat = device->public.devicePrivate;
struct xwl_window *xwl_window;
WindowPtr focus;
if (!xwl_seat)
xwl_seat = xwl_screen_get_default_seat(xwl_screen);
if (!window)
window = XYToWindow(sprite, x, y);
xwl_window = xwl_window_from_window(window);
if (!xwl_window && xwl_seat->focus_window) {
focus = xwl_seat->focus_window->window;
/* Warps on non wl_surface backed Windows are only allowed
* as long as the pointer stays within the focus window.
*/
if (x >= focus->drawable.x &&
y >= focus->drawable.y &&
x < focus->drawable.x + focus->drawable.width &&
y < focus->drawable.y + focus->drawable.height) {
if (!window) {
DebugF("Warp relative to pointer, assuming pointer focus\n");
xwl_window = xwl_seat->focus_window;
} else if (window == screen->root) {
DebugF("Warp on root window, assuming pointer focus\n");
xwl_window = xwl_seat->focus_window;
}
}
}
if (!xwl_window)
return;
xwl_seat_emulate_pointer_warp(xwl_seat, xwl_window, sprite, x, y);
}
static void
xwl_cursor_confined_to(DeviceIntPtr device,
ScreenPtr screen,
WindowPtr window)
{
struct xwl_screen *xwl_screen = xwl_screen_get(screen);
struct xwl_seat *xwl_seat = device->public.devicePrivate;
struct xwl_window *xwl_window;
if (!xwl_seat)
xwl_seat = xwl_screen_get_default_seat(xwl_screen);
/* xwl_seat hasn't been setup yet, don't do anything just yet */
if (!xwl_seat)
return;
if (window == screen->root) {
xwl_seat_unconfine_pointer(xwl_seat);
return;
}
xwl_window = xwl_window_from_window(window);
if (!xwl_window && xwl_seat->focus_window) {
/* Allow confining on InputOnly windows, but only if the geometry
* is the same than the focus window.
*/
if (window->drawable.class == InputOnly) {
DebugF("Confine on InputOnly window, assuming pointer focus\n");
xwl_window = xwl_seat->focus_window;
}
}
if (!xwl_window)
return;
xwl_seat_confine_pointer(xwl_seat, xwl_window);
}
void
xwl_screen_check_resolution_change_emulation(struct xwl_screen *xwl_screen)
{
struct xwl_window *xwl_window;
xorg_list_for_each_entry(xwl_window, &xwl_screen->window_list, link_window)
xwl_window_check_resolution_change_emulation(xwl_window);
}
static void
xwl_screen_post_damage(struct xwl_screen *xwl_screen)
{
struct xwl_window *xwl_window, *next_xwl_window;
xorg_list_for_each_entry_safe(xwl_window, next_xwl_window,
&xwl_screen->damage_window_list, link_damage) {
/* If we're waiting on a frame callback from the server,
* don't attach a new buffer. */
if (xwl_window->frame_callback)
continue;
if (!xwl_window->allow_commits)
continue;
#ifdef XWL_HAS_GLAMOR
if (xwl_screen->glamor && !xwl_glamor_allow_commits(xwl_window))
continue;
#endif
xwl_window_post_damage(xwl_window);
}
}
static void
registry_global(void *data, struct wl_registry *registry, uint32_t id,
const char *interface, uint32_t version)
{
struct xwl_screen *xwl_screen = data;
if (strcmp(interface, "wl_compositor") == 0) {
uint32_t request_version = 1;
if (version >= WL_SURFACE_DAMAGE_BUFFER_SINCE_VERSION)
request_version = WL_SURFACE_DAMAGE_BUFFER_SINCE_VERSION;
xwl_screen->compositor =
wl_registry_bind(registry, id, &wl_compositor_interface, request_version);
}
else if (strcmp(interface, "wl_shm") == 0) {
xwl_screen->shm = wl_registry_bind(registry, id, &wl_shm_interface, 1);
}
else if (strcmp(interface, "wl_shell") == 0) {
xwl_screen->shell =
wl_registry_bind(registry, id, &wl_shell_interface, 1);
}
else if (strcmp(interface, "wl_output") == 0 && version >= 2) {
if (xwl_output_create(xwl_screen, id))
xwl_screen->expecting_event++;
}
else if (strcmp(interface, "zxdg_output_manager_v1") == 0) {
/* We support xdg-output from version 1 to version 3 */
version = min(version, 3);
xwl_screen->xdg_output_manager =
wl_registry_bind(registry, id, &zxdg_output_manager_v1_interface, version);
xwl_screen_init_xdg_output(xwl_screen);
}
else if (strcmp(interface, "wp_viewporter") == 0) {
xwl_screen->viewporter = wl_registry_bind(registry, id, &wp_viewporter_interface, 1);
}
#ifdef XWL_HAS_GLAMOR
else if (xwl_screen->glamor) {
xwl_glamor_init_wl_registry(xwl_screen, registry, id, interface,
version);
}
#endif
}
static void
global_remove(void *data, struct wl_registry *registry, uint32_t name)
{
struct xwl_screen *xwl_screen = data;
struct xwl_output *xwl_output, *tmp_xwl_output;
xorg_list_for_each_entry_safe(xwl_output, tmp_xwl_output,
&xwl_screen->output_list, link) {
if (xwl_output->server_output_id == name) {
xwl_output_remove(xwl_output);
break;
}
}
}
static const struct wl_registry_listener registry_listener = {
registry_global,
global_remove
};
static void
xwl_read_events (struct xwl_screen *xwl_screen)
{
int ret;
if (xwl_screen->wait_flush)
return;
ret = wl_display_read_events(xwl_screen->display);
if (ret == -1)
xwl_give_up("failed to read Wayland events: %s\n", strerror(errno));
xwl_screen->prepare_read = 0;
ret = wl_display_dispatch_pending(xwl_screen->display);
if (ret == -1)
xwl_give_up("failed to dispatch Wayland events: %s\n", strerror(errno));
}
static int
xwl_display_pollout (struct xwl_screen *xwl_screen, int timeout)
{
struct pollfd poll_fd;
poll_fd.fd = wl_display_get_fd(xwl_screen->display);
poll_fd.events = POLLOUT;
return xserver_poll(&poll_fd, 1, timeout);
}
static void
xwl_dispatch_events (struct xwl_screen *xwl_screen)
{
int ret = 0;
int ready;
if (xwl_screen->wait_flush)
goto pollout;
while (xwl_screen->prepare_read == 0 &&
wl_display_prepare_read(xwl_screen->display) == -1) {
ret = wl_display_dispatch_pending(xwl_screen->display);
if (ret == -1)
xwl_give_up("failed to dispatch Wayland events: %s\n",
strerror(errno));
}
xwl_screen->prepare_read = 1;
pollout:
ready = xwl_display_pollout(xwl_screen, 5);
if (ready == -1 && errno != EINTR)
xwl_give_up("error polling on XWayland fd: %s\n", strerror(errno));
if (ready > 0)
ret = wl_display_flush(xwl_screen->display);
if (ret == -1 && errno != EAGAIN)
xwl_give_up("failed to write to XWayland fd: %s\n", strerror(errno));
xwl_screen->wait_flush = (ready == 0 || ready == -1 || ret == -1);
}
static void
socket_handler(int fd, int ready, void *data)
{
struct xwl_screen *xwl_screen = data;
xwl_read_events (xwl_screen);
}
static void
wakeup_handler(void *data, int err)
{
}
static void
block_handler(void *data, void *timeout)
{
struct xwl_screen *xwl_screen = data;
xwl_screen_post_damage(xwl_screen);
xwl_dispatch_events (xwl_screen);
}
void
xwl_sync_events (struct xwl_screen *xwl_screen)
{
xwl_dispatch_events (xwl_screen);
xwl_read_events (xwl_screen);
}
Bool
xwl_screen_init(ScreenPtr pScreen, int argc, char **argv)
{
static const char allow_commits[] = "_XWAYLAND_ALLOW_COMMITS";
struct xwl_screen *xwl_screen;
Pixel red_mask, blue_mask, green_mask;
int ret, bpc, green_bpc, i;
#ifdef XWL_HAS_GLAMOR
Bool use_eglstreams = FALSE;
#endif
xwl_screen = calloc(1, sizeof *xwl_screen);
if (xwl_screen == NULL)
return FALSE;
if (!dixRegisterPrivateKey(&xwl_screen_private_key, PRIVATE_SCREEN, 0))
return FALSE;
if (!xwl_pixmap_init())
return FALSE;
if (!xwl_window_init())
return FALSE;
/* There are no easy to use new / delete client hooks, we could use a
* ClientStateCallback, but it is easier to let the dix code manage the
* memory for us. This will zero fill the initial xwl_client data.
*/
if (!dixRegisterPrivateKey(&xwl_client_private_key, PRIVATE_CLIENT,
sizeof(struct xwl_client)))
return FALSE;
dixSetPrivate(&pScreen->devPrivates, &xwl_screen_private_key, xwl_screen);
xwl_screen->screen = pScreen;
#ifdef XWL_HAS_GLAMOR
xwl_screen->glamor = 1;
#endif
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-rootless") == 0) {
xwl_screen->rootless = 1;
}
else if (strcmp(argv[i], "-shm") == 0) {
xwl_screen->glamor = 0;
}
else if (strcmp(argv[i], "-eglstream") == 0) {
#ifdef XWL_HAS_EGLSTREAM
use_eglstreams = TRUE;
#else
ErrorF("xwayland glamor: this build does not have EGLStream support\n");
#endif
}
}
#ifdef XWL_HAS_GLAMOR
if (xwl_screen->glamor)
xwl_glamor_init_backends(xwl_screen, use_eglstreams);
#endif
/* In rootless mode, we don't have any screen storage, and the only
* rendering should be to redirected mode. */
if (xwl_screen->rootless)
xwl_screen->root_clip_mode = ROOT_CLIP_INPUT_ONLY;
else
xwl_screen->root_clip_mode = ROOT_CLIP_FULL;
xorg_list_init(&xwl_screen->output_list);
xorg_list_init(&xwl_screen->seat_list);
xorg_list_init(&xwl_screen->damage_window_list);
xorg_list_init(&xwl_screen->window_list);
xwl_screen->depth = 24;
xwl_screen->display = wl_display_connect(NULL);