Merge remote-tracking branch 'origin/released'

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,
+                             &registry_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");
+    }
+}