4709d24f8e
Xorg supports the '-version' command line option, add something similar to Xwayland. Closes: https://gitlab.freedesktop.org/xorg/xserver/issues/976 Signed-off-by: Olivier Fourdan <ofourdan@redhat.com> Reviewed-by: Jonas Ådahl <jadahl@gmail.com> Reviewed-by: Michel Dänzer <mdaenzer@redhat.com>
274 lines
7.3 KiB
C
274 lines
7.3 KiB
C
/*
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* Copyright © 2011-2014 Intel Corporation
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of the
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* copyright holders not be used in advertising or publicity
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* pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied
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* warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#include <xwayland-config.h>
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#include <stdio.h>
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#include <X11/Xatom.h>
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#include <selection.h>
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#include <micmap.h>
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#include <misyncshm.h>
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#include <compositeext.h>
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#include <compint.h>
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#include <glx_extinit.h>
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#include <os.h>
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#include <xserver_poll.h>
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#include <propertyst.h>
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#include <version-config.h>
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#include "xwayland-screen.h"
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#include "xwayland-vidmode.h"
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#ifdef XF86VIDMODE
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#include <X11/extensions/xf86vmproto.h>
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extern _X_EXPORT Bool noXFree86VidModeExtension;
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#endif
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void
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ddxGiveUp(enum ExitCode error)
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{
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}
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void
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OsVendorInit(void)
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{
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if (serverGeneration == 1)
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ForceClockId(CLOCK_MONOTONIC);
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}
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void
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OsVendorFatalError(const char *f, va_list args)
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{
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}
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#if defined(DDXBEFORERESET)
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void
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ddxBeforeReset(void)
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{
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return;
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}
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#endif
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#if INPUTTHREAD
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/** This function is called in Xserver/os/inputthread.c when starting
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the input thread. */
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void
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ddxInputThreadInit(void)
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{
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}
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#endif
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void
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ddxUseMsg(void)
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{
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ErrorF("-rootless run rootless, requires wm support\n");
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ErrorF("-wm fd create X client for wm on given fd\n");
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ErrorF("-initfd fd add given fd as a listen socket for initialization clients\n");
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ErrorF("-listenfd fd add given fd as a listen socket\n");
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ErrorF("-listen fd deprecated, use \"-listenfd\" instead\n");
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ErrorF("-eglstream use eglstream backend for nvidia GPUs\n");
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ErrorF("-version show the server version and exit\n");
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}
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static int init_fd = -1;
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static int wm_fd = -1;
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static int listen_fds[5] = { -1, -1, -1, -1, -1 };
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static int listen_fd_count = 0;
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static void
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xwl_show_version(void)
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{
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ErrorF("%s Xwayland %s (%d)\n", VENDOR_NAME, VENDOR_MAN_VERSION, VENDOR_RELEASE);
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ErrorF("X Protocol Version %d, Revision %d\n", X_PROTOCOL, X_PROTOCOL_REVISION);
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#if defined(BUILDERSTRING)
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if (strlen(BUILDERSTRING))
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ErrorF("%s\n", BUILDERSTRING);
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#endif
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}
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static void
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xwl_add_listen_fd(int argc, char *argv[], int i)
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{
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NoListenAll = TRUE;
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if (listen_fd_count == ARRAY_SIZE(listen_fds))
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FatalError("Too many -listen arguments given, max is %zu\n",
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ARRAY_SIZE(listen_fds));
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listen_fds[listen_fd_count++] = atoi(argv[i + 1]);
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}
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int
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ddxProcessArgument(int argc, char *argv[], int i)
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{
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if (strcmp(argv[i], "-rootless") == 0) {
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return 1;
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}
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else if (strcmp(argv[i], "-listen") == 0) {
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CHECK_FOR_REQUIRED_ARGUMENTS(1);
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/* Not an FD */
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if (!isdigit(*argv[i + 1]))
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return 0;
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LogMessage(X_WARNING, "Option \"-listen\" for file descriptors is deprecated\n"
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"Please use \"-listenfd\" instead.\n");
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xwl_add_listen_fd (argc, argv, i);
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return 2;
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}
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else if (strcmp(argv[i], "-listenfd") == 0) {
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CHECK_FOR_REQUIRED_ARGUMENTS(1);
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xwl_add_listen_fd (argc, argv, i);
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return 2;
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}
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else if (strcmp(argv[i], "-wm") == 0) {
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CHECK_FOR_REQUIRED_ARGUMENTS(1);
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wm_fd = atoi(argv[i + 1]);
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return 2;
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}
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else if (strcmp(argv[i], "-initfd") == 0) {
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CHECK_FOR_REQUIRED_ARGUMENTS(1);
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init_fd = atoi(argv[i + 1]);
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return 2;
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}
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else if (strcmp(argv[i], "-shm") == 0) {
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return 1;
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}
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else if (strcmp(argv[i], "-eglstream") == 0) {
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return 1;
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}
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else if (strcmp(argv[i], "-version") == 0) {
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xwl_show_version();
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exit(0);
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}
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return 0;
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}
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static CARD32
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add_client_fd(OsTimerPtr timer, CARD32 time, void *arg)
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{
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if (!AddClientOnOpenFD(wm_fd))
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FatalError("Failed to add wm client\n");
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TimerFree(timer);
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return 0;
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}
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static void
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listen_on_fds(void)
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{
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int i;
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for (i = 0; i < listen_fd_count; i++)
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ListenOnOpenFD(listen_fds[i], FALSE);
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}
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static void
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wm_selection_callback(CallbackListPtr *p, void *data, void *arg)
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{
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SelectionInfoRec *info = arg;
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struct xwl_screen *xwl_screen = data;
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static const char atom_name[] = "WM_S0";
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static Atom atom_wm_s0;
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if (atom_wm_s0 == None)
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atom_wm_s0 = MakeAtom(atom_name, strlen(atom_name), TRUE);
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if (info->selection->selection != atom_wm_s0 ||
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info->kind != SelectionSetOwner)
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return;
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listen_on_fds();
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DeleteCallback(&SelectionCallback, wm_selection_callback, xwl_screen);
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}
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_X_NORETURN
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static void _X_ATTRIBUTE_PRINTF(1, 0)
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xwl_log_handler(const char *format, va_list args)
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{
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char msg[256];
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vsnprintf(msg, sizeof msg, format, args);
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FatalError("%s", msg);
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}
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static const ExtensionModule xwayland_extensions[] = {
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#ifdef XF86VIDMODE
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{ xwlVidModeExtensionInit, XF86VIDMODENAME, &noXFree86VidModeExtension },
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#endif
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};
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void
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InitOutput(ScreenInfo * screen_info, int argc, char **argv)
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{
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int depths[] = { 1, 4, 8, 15, 16, 24, 32 };
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int bpp[] = { 1, 8, 8, 16, 16, 32, 32 };
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int i;
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for (i = 0; i < ARRAY_SIZE(depths); i++) {
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screen_info->formats[i].depth = depths[i];
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screen_info->formats[i].bitsPerPixel = bpp[i];
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screen_info->formats[i].scanlinePad = BITMAP_SCANLINE_PAD;
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}
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screen_info->imageByteOrder = IMAGE_BYTE_ORDER;
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screen_info->bitmapScanlineUnit = BITMAP_SCANLINE_UNIT;
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screen_info->bitmapScanlinePad = BITMAP_SCANLINE_PAD;
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screen_info->bitmapBitOrder = BITMAP_BIT_ORDER;
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screen_info->numPixmapFormats = ARRAY_SIZE(depths);
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if (serverGeneration == 1)
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LoadExtensionList(xwayland_extensions,
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ARRAY_SIZE(xwayland_extensions), FALSE);
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/* Cast away warning from missing printf annotation for
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* wl_log_func_t. Wayland 1.5 will have the annotation, so we can
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* remove the cast and require that when it's released. */
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wl_log_set_handler_client((void *) xwl_log_handler);
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if (AddScreen(xwl_screen_init, argc, argv) == -1) {
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FatalError("Couldn't add screen\n");
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}
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xorgGlxCreateVendor();
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LocalAccessScopeUser();
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if (wm_fd >= 0 || init_fd >= 0) {
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if (wm_fd >= 0)
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TimerSet(NULL, 0, 1, add_client_fd, NULL);
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if (init_fd >= 0)
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ListenOnOpenFD(init_fd, FALSE);
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AddCallback(&SelectionCallback, wm_selection_callback, NULL);
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}
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else if (listen_fd_count > 0) {
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listen_on_fds();
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}
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}
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