diff options
Diffstat (limited to 'xorg-server/hw/xwayland/xwayland.c')
| -rw-r--r-- | xorg-server/hw/xwayland/xwayland.c | 652 |
1 files changed, 652 insertions, 0 deletions
diff --git a/xorg-server/hw/xwayland/xwayland.c b/xorg-server/hw/xwayland/xwayland.c new file mode 100644 index 000000000..c2c6481af --- /dev/null +++ b/xorg-server/hw/xwayland/xwayland.c @@ -0,0 +1,652 @@ +/* + * 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.h" + +#include <stdio.h> + +#include <selection.h> +#include <micmap.h> +#include <misyncshm.h> +#include <compositeext.h> +#include <glx_extinit.h> + +void +ddxGiveUp(enum ExitCode error) +{ +} + +void +AbortDDX(enum ExitCode error) +{ + ddxGiveUp(error); +} + +void +OsVendorInit(void) +{ +} + +void +OsVendorFatalError(const char *f, va_list args) +{ +} + +#if defined(DDXBEFORERESET) +void +ddxBeforeReset(void) +{ + return; +} +#endif + +void +ddxUseMsg(void) +{ + ErrorF("-rootless run rootless, requires wm support\n"); + ErrorF("-wm fd create X client for wm on given fd\n"); + ErrorF("-listen fd add give fd as a listen socket\n"); +} + +int +ddxProcessArgument(int argc, char *argv[], int i) +{ + if (strcmp(argv[i], "-rootless") == 0) { + return 1; + } + else if (strcmp(argv[i], "-listen") == 0) { + NoListenAll = TRUE; + return 2; + } + else if (strcmp(argv[i], "-wm") == 0) { + return 2; + } + else if (strcmp(argv[i], "-shm") == 0) { + return 1; + } + + return 0; +} + +static DevPrivateKeyRec xwl_window_private_key; +static DevPrivateKeyRec xwl_screen_private_key; +static DevPrivateKeyRec xwl_pixmap_private_key; + +struct xwl_screen * +xwl_screen_get(ScreenPtr screen) +{ + return dixLookupPrivate(&screen->devPrivates, &xwl_screen_private_key); +} + +static 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; + + 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); + + wl_display_disconnect(xwl_screen->display); + + screen->CloseScreen = xwl_screen->CloseScreen; + free(xwl_screen); + + return screen->CloseScreen(screen); +} + +static void +damage_report(DamagePtr pDamage, RegionPtr pRegion, void *data) +{ + struct xwl_window *xwl_window = data; + struct xwl_screen *xwl_screen = xwl_window->xwl_screen; + + xorg_list_add(&xwl_window->link_damage, &xwl_screen->damage_window_list); +} + +static void +damage_destroy(DamagePtr pDamage, void *data) +{ +} + +static void +shell_surface_ping(void *data, + struct wl_shell_surface *shell_surface, uint32_t serial) +{ + wl_shell_surface_pong(shell_surface, serial); +} + +static void +shell_surface_configure(void *data, + struct wl_shell_surface *wl_shell_surface, + uint32_t edges, int32_t width, int32_t height) +{ +} + +static void +shell_surface_popup_done(void *data, struct wl_shell_surface *wl_shell_surface) +{ +} + +static const struct wl_shell_surface_listener shell_surface_listener = { + shell_surface_ping, + shell_surface_configure, + shell_surface_popup_done +}; + +void +xwl_pixmap_set_private(PixmapPtr pixmap, struct xwl_pixmap *xwl_pixmap) +{ + dixSetPrivate(&pixmap->devPrivates, &xwl_pixmap_private_key, xwl_pixmap); +} + +struct xwl_pixmap * +xwl_pixmap_get(PixmapPtr pixmap) +{ + return dixLookupPrivate(&pixmap->devPrivates, &xwl_pixmap_private_key); +} + +static void +send_surface_id_event(struct xwl_window *xwl_window) +{ + static const char atom_name[] = "WL_SURFACE_ID"; + static Atom type_atom; + DeviceIntPtr dev; + xEvent e; + + if (type_atom == None) + type_atom = MakeAtom(atom_name, strlen(atom_name), TRUE); + + e.u.u.type = ClientMessage; + e.u.u.detail = 32; + e.u.clientMessage.window = xwl_window->window->drawable.id; + e.u.clientMessage.u.l.type = type_atom; + e.u.clientMessage.u.l.longs0 = + wl_proxy_get_id((struct wl_proxy *) xwl_window->surface); + e.u.clientMessage.u.l.longs1 = 0; + e.u.clientMessage.u.l.longs2 = 0; + e.u.clientMessage.u.l.longs3 = 0; + e.u.clientMessage.u.l.longs4 = 0; + + dev = PickPointer(serverClient); + DeliverEventsToWindow(dev, xwl_window->xwl_screen->screen->root, + &e, 1, SubstructureRedirectMask, NullGrab); +} + +static Bool +xwl_realize_window(WindowPtr window) +{ + ScreenPtr screen = window->drawable.pScreen; + struct xwl_screen *xwl_screen; + struct xwl_window *xwl_window; + struct wl_region *region; + Bool ret; + + xwl_screen = xwl_screen_get(screen); + + screen->RealizeWindow = xwl_screen->RealizeWindow; + ret = (*screen->RealizeWindow) (window); + xwl_screen->RealizeWindow = screen->RealizeWindow; + screen->RealizeWindow = xwl_realize_window; + + if (xwl_screen->rootless && !window->parent) { + ErrorF("Clearing root clip\n"); + RegionNull(&window->clipList); + RegionNull(&window->borderClip); + RegionNull(&window->winSize); + } + + if (xwl_screen->rootless) { + if (window->redirectDraw != RedirectDrawManual) + return ret; + } + else { + if (window->parent) + return ret; + } + + xwl_window = calloc(sizeof *xwl_window, 1); + xwl_window->xwl_screen = xwl_screen; + xwl_window->window = window; + xwl_window->surface = wl_compositor_create_surface(xwl_screen->compositor); + if (xwl_window->surface == NULL) { + ErrorF("wl_display_create_surface failed\n"); + return FALSE; + } + + if (!xwl_screen->rootless) { + xwl_window->shell_surface = + wl_shell_get_shell_surface(xwl_screen->shell, xwl_window->surface); + wl_shell_surface_add_listener(xwl_window->shell_surface, + &shell_surface_listener, xwl_window); + + wl_shell_surface_set_toplevel(xwl_window->shell_surface); + + region = wl_compositor_create_region(xwl_screen->compositor); + wl_region_add(region, 0, 0, + window->drawable.width, window->drawable.height); + wl_surface_set_opaque_region(xwl_window->surface, region); + wl_region_destroy(region); + } + + wl_display_flush(xwl_screen->display); + + send_surface_id_event(xwl_window); + + wl_surface_set_user_data(xwl_window->surface, xwl_window); + + dixSetPrivate(&window->devPrivates, &xwl_window_private_key, xwl_window); + + xwl_window->damage = + DamageCreate(damage_report, damage_destroy, DamageReportNonEmpty, + FALSE, screen, xwl_window); + DamageRegister(&window->drawable, xwl_window->damage); + DamageSetReportAfterOp(xwl_window->damage, TRUE); + + xorg_list_init(&xwl_window->link_damage); + + return ret; +} + +static Bool +xwl_unrealize_window(WindowPtr window) +{ + ScreenPtr screen = window->drawable.pScreen; + struct xwl_screen *xwl_screen; + struct xwl_window *xwl_window; + struct xwl_seat *xwl_seat; + Bool ret; + + xwl_screen = xwl_screen_get(screen); + + xorg_list_for_each_entry(xwl_seat, &xwl_screen->seat_list, link) { + if (!xwl_seat->focus_window) + continue; + if (xwl_seat->focus_window->window == window) + xwl_seat->focus_window = NULL; + } + + screen->UnrealizeWindow = xwl_screen->UnrealizeWindow; + ret = (*screen->UnrealizeWindow) (window); + xwl_screen->UnrealizeWindow = screen->UnrealizeWindow; + screen->UnrealizeWindow = xwl_unrealize_window; + + xwl_window = + dixLookupPrivate(&window->devPrivates, &xwl_window_private_key); + if (!xwl_window) + return ret; + + wl_surface_destroy(xwl_window->surface); + if (RegionNotEmpty(DamageRegion(xwl_window->damage))) + xorg_list_del(&xwl_window->link_damage); + DamageUnregister(xwl_window->damage); + DamageDestroy(xwl_window->damage); + free(xwl_window); + dixSetPrivate(&window->devPrivates, &xwl_window_private_key, NULL); + + return ret; +} + +static Bool +xwl_save_screen(ScreenPtr pScreen, int on) +{ + return TRUE; +} + +static void +xwl_screen_post_damage(struct xwl_screen *xwl_screen) +{ + struct xwl_window *xwl_window; + RegionPtr region; + BoxPtr box; + int count, i; + struct wl_buffer *buffer; + PixmapPtr pixmap; + + xorg_list_for_each_entry(xwl_window, &xwl_screen->damage_window_list, + link_damage) { + region = DamageRegion(xwl_window->damage); + count = RegionNumRects(region); + + pixmap = (*xwl_screen->screen->GetWindowPixmap) (xwl_window->window); + + buffer = xwl_shm_pixmap_get_wl_buffer(pixmap); + wl_surface_attach(xwl_window->surface, buffer, 0, 0); + for (i = 0; i < count; i++) { + box = &RegionRects(region)[i]; + wl_surface_damage(xwl_window->surface, + box->x1, box->y1, + box->x2 - box->x1, box->y2 - box->y1); + } + wl_surface_commit(xwl_window->surface); + DamageEmpty(xwl_window->damage); + } + + xorg_list_init(&xwl_screen->damage_window_list); +} + +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) { + xwl_screen->compositor = + wl_registry_bind(registry, id, &wl_compositor_interface, 1); + } + 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) { + xwl_output_create(xwl_screen, id); + xwl_screen->expecting_event++; + } +} + +static void +global_remove(void *data, struct wl_registry *registry, uint32_t name) +{ + /* Nothing to do here, wl_compositor and wl_shm should not be removed */ +} + +static const struct wl_registry_listener registry_listener = { + registry_global, + global_remove +}; + +static void +wakeup_handler(void *data, int err, void *read_mask) +{ + struct xwl_screen *xwl_screen = data; + int ret; + + if (err < 0) + return; + + if (!FD_ISSET(xwl_screen->wayland_fd, (fd_set *) read_mask)) + return; + + ret = wl_display_read_events(xwl_screen->display); + if (ret == -1) + FatalError("failed to dispatch Wayland events: %s\n", strerror(errno)); + + xwl_screen->prepare_read = 0; + + ret = wl_display_dispatch_pending(xwl_screen->display); + if (ret == -1) + FatalError("failed to dispatch Wayland events: %s\n", strerror(errno)); +} + +static void +block_handler(void *data, struct timeval **tv, void *read_mask) +{ + struct xwl_screen *xwl_screen = data; + int ret; + + xwl_screen_post_damage(xwl_screen); + + 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) + FatalError("failed to dispatch Wayland events: %s\n", + strerror(errno)); + } + + xwl_screen->prepare_read = 1; + + ret = wl_display_flush(xwl_screen->display); + if (ret == -1) + FatalError("failed to write to XWayland fd: %s\n", strerror(errno)); +} + +static CARD32 +add_client_fd(OsTimerPtr timer, CARD32 time, void *arg) +{ + struct xwl_screen *xwl_screen = arg; + + if (!AddClientOnOpenFD(xwl_screen->wm_fd)) + FatalError("Failed to add wm client\n"); + + TimerFree(timer); + + return 0; +} + +static void +listen_on_fds(struct xwl_screen *xwl_screen) +{ + int i; + + for (i = 0; i < xwl_screen->listen_fd_count; i++) + ListenOnOpenFD(xwl_screen->listen_fds[i], TRUE); +} + +static void +wm_selection_callback(CallbackListPtr *p, void *data, void *arg) +{ + SelectionInfoRec *info = arg; + struct xwl_screen *xwl_screen = data; + static const char atom_name[] = "WM_S0"; + static Atom atom_wm_s0; + + if (atom_wm_s0 == None) + atom_wm_s0 = MakeAtom(atom_name, strlen(atom_name), TRUE); + if (info->selection->selection != atom_wm_s0 || + info->kind != SelectionSetOwner) + return; + + listen_on_fds(xwl_screen); + + DeleteCallback(&SelectionCallback, wm_selection_callback, xwl_screen); +} + +static Bool +xwl_screen_init(ScreenPtr pScreen, int argc, char **argv) +{ + struct xwl_screen *xwl_screen; + Pixel red_mask, blue_mask, green_mask; + int ret, bpc, green_bpc, i; + + xwl_screen = calloc(sizeof *xwl_screen, 1); + xwl_screen->wm_fd = -1; + if (xwl_screen == NULL) + return FALSE; + + if (!dixRegisterPrivateKey(&xwl_screen_private_key, PRIVATE_SCREEN, 0)) + return FALSE; + if (!dixRegisterPrivateKey(&xwl_window_private_key, PRIVATE_WINDOW, 0)) + return FALSE; + if (!dixRegisterPrivateKey(&xwl_pixmap_private_key, PRIVATE_PIXMAP, 0)) + return FALSE; + + dixSetPrivate(&pScreen->devPrivates, &xwl_screen_private_key, xwl_screen); + xwl_screen->screen = pScreen; + + for (i = 1; i < argc; i++) { + if (strcmp(argv[i], "-rootless") == 0) { + xwl_screen->rootless = 1; + } + else if (strcmp(argv[i], "-wm") == 0) { + xwl_screen->wm_fd = atoi(argv[i + 1]); + i++; + TimerSet(NULL, 0, 1, add_client_fd, xwl_screen); + } + else if (strcmp(argv[i], "-listen") == 0) { + if (xwl_screen->listen_fd_count == + ARRAY_SIZE(xwl_screen->listen_fds)) + FatalError("Too many -listen arguments given, max is %ld\n", + ARRAY_SIZE(xwl_screen->listen_fds)); + + xwl_screen->listen_fds[xwl_screen->listen_fd_count++] = + atoi(argv[i + 1]); + i++; + } + } + + if (xwl_screen->listen_fd_count > 0) { + if (xwl_screen->wm_fd >= 0) + AddCallback(&SelectionCallback, wm_selection_callback, xwl_screen); + else + listen_on_fds(xwl_screen); + } + + xorg_list_init(&xwl_screen->output_list); + xorg_list_init(&xwl_screen->seat_list); + xorg_list_init(&xwl_screen->damage_window_list); + xwl_screen->depth = 24; + + xwl_screen->display = wl_display_connect(NULL); + if (xwl_screen->display == NULL) { + ErrorF("could not connect to wayland server\n"); + return FALSE; + } + + if (!xwl_screen_init_output(xwl_screen)) + return FALSE; + + xwl_screen->expecting_event = 0; + xwl_screen->registry = wl_display_get_registry(xwl_screen->display); + wl_registry_add_listener(xwl_screen->registry, + ®istry_listener, xwl_screen); + ret = wl_display_roundtrip(xwl_screen->display); + if (ret == -1) { + ErrorF("could not connect to wayland server\n"); + return FALSE; + } + + while (xwl_screen->expecting_event > 0) + wl_display_roundtrip(xwl_screen->display); + + bpc = xwl_screen->depth / 3; + green_bpc = xwl_screen->depth - 2 * bpc; + blue_mask = (1 << bpc) - 1; + green_mask = ((1 << green_bpc) - 1) << bpc; + red_mask = blue_mask << (green_bpc + bpc); + + miSetVisualTypesAndMasks(xwl_screen->depth, + ((1 << TrueColor) | (1 << DirectColor)), + green_bpc, TrueColor, + red_mask, green_mask, blue_mask); + + miSetPixmapDepths(); + + ret = fbScreenInit(pScreen, NULL, + xwl_screen->width, xwl_screen->height, + 96, 96, 0, + BitsPerPixel(xwl_screen->depth)); + if (!ret) + return FALSE; + + fbPictureInit(pScreen, 0, 0); + + if (!miSyncShmScreenInit(pScreen)) + return FALSE; + + xwl_screen->wayland_fd = wl_display_get_fd(xwl_screen->display); + AddGeneralSocket(xwl_screen->wayland_fd); + RegisterBlockAndWakeupHandlers(block_handler, wakeup_handler, xwl_screen); + + pScreen->SaveScreen = xwl_save_screen; + + pScreen->blackPixel = 0; + pScreen->whitePixel = 1; + + ret = fbCreateDefColormap(pScreen); + + if (!xwl_screen_init_cursor(xwl_screen)) + return FALSE; + + xwl_screen->CreateScreenResources = pScreen->CreateScreenResources; + pScreen->CreateScreenResources = xwl_shm_create_screen_resources; + pScreen->CreatePixmap = xwl_shm_create_pixmap; + pScreen->DestroyPixmap = xwl_shm_destroy_pixmap; + + xwl_screen->RealizeWindow = pScreen->RealizeWindow; + pScreen->RealizeWindow = xwl_realize_window; + + xwl_screen->UnrealizeWindow = pScreen->UnrealizeWindow; + pScreen->UnrealizeWindow = xwl_unrealize_window; + + xwl_screen->CloseScreen = pScreen->CloseScreen; + pScreen->CloseScreen = xwl_close_screen; + + return ret; +} + +static void _X_ATTRIBUTE_PRINTF(1, 0) +xwl_log_handler(const char *format, va_list args) +{ + char msg[256]; + + vsnprintf(msg, sizeof msg, format, args); + FatalError("%s", msg); +} + +static const ExtensionModule glx_extension[] = { + { GlxExtensionInit, "GLX", &noGlxExtension }, +}; + +void +InitOutput(ScreenInfo * screen_info, int argc, char **argv) +{ + int depths[] = { 1, 4, 8, 15, 16, 24, 32 }; + int bpp[] = { 1, 8, 8, 16, 16, 32, 32 }; + int i; + + for (i = 0; i < ARRAY_SIZE(depths); i++) { + screen_info->formats[i].depth = depths[i]; + screen_info->formats[i].bitsPerPixel = bpp[i]; + screen_info->formats[i].scanlinePad = BITMAP_SCANLINE_PAD; + } + + screen_info->imageByteOrder = IMAGE_BYTE_ORDER; + screen_info->bitmapScanlineUnit = BITMAP_SCANLINE_UNIT; + screen_info->bitmapScanlinePad = BITMAP_SCANLINE_PAD; + screen_info->bitmapBitOrder = BITMAP_BIT_ORDER; + screen_info->numPixmapFormats = ARRAY_SIZE(depths); + + LoadExtensionList(glx_extension, ARRAY_SIZE(glx_extension), FALSE); + + /* Cast away warning from missing printf annotation for + * wl_log_func_t. Wayland 1.5 will have the annotation, so we can + * remove the cast and require that when it's released. */ + wl_log_set_handler_client((void *) xwl_log_handler); + + if (AddScreen(xwl_screen_init, argc, argv) == -1) { + FatalError("Couldn't add screen\n"); + } +} |