Edit
IABSD.fr/xenocara/xserver/present/present_event.c
matthieu
- xserver/present/present_event.c
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/* * Copyright © 2013 Keith Packard * * 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 "present_priv.h" static RESTYPE present_event_type; static int present_free_event(void *data, XID id) { present_event_ptr present_event = (present_event_ptr) data; present_window_priv_ptr window_priv = present_window_priv(present_event->window); present_event_ptr *previous, current; for (previous = &window_priv->events; (current = *previous); previous = ¤t->next) { if (current == present_event) { *previous = present_event->next; break; } } free((void *) present_event); return 1; } void present_free_events(WindowPtr window) { present_window_priv_ptr window_priv = present_window_priv(window); present_event_ptr event; if (!window_priv) return; while ((event = window_priv->events)) FreeResource(event->id, RT_NONE); } static void present_event_swap(xGenericEvent *from, xGenericEvent *to) { *to = *from; swaps(&to->sequenceNumber); swapl(&to->length); swaps(&to->evtype); switch (from->evtype) { case PresentConfigureNotify: { xPresentConfigureNotify *c = (xPresentConfigureNotify *) to; swapl(&c->eid); swapl(&c->window); swaps(&c->x); swaps(&c->y); swaps(&c->width); swaps(&c->height); swaps(&c->off_x); swaps(&c->off_y); swaps(&c->pixmap_width); swaps(&c->pixmap_height); swapl(&c->pixmap_flags); break; } case PresentCompleteNotify: { xPresentCompleteNotify *c = (xPresentCompleteNotify *) to; swapl(&c->eid); swapl(&c->window); swapl(&c->serial); swapll(&c->ust); swapll(&c->msc); break; } case PresentIdleNotify: { xPresentIdleNotify *c = (xPresentIdleNotify *) to; swapl(&c->eid); swapl(&c->window); swapl(&c->serial); swapl(&c->idle_fence); break; } } } void present_send_config_notify(WindowPtr window, int x, int y, int w, int h, int bw, WindowPtr sibling, CARD32 flags) { present_window_priv_ptr window_priv = present_window_priv(window); if (window_priv) { xPresentConfigureNotify cn = { .type = GenericEvent, .extension = present_request, .length = (sizeof(xPresentConfigureNotify) - 32) >> 2, .evtype = PresentConfigureNotify, .eid = 0, .window = window->drawable.id, .x = x, .y = y, .width = w, .height = h, .off_x = 0, .off_y = 0, .pixmap_width = w, .pixmap_height = h, .pixmap_flags = flags }; present_event_ptr event; for (event = window_priv->events; event; event = event->next) { if (event->mask & (1 << PresentConfigureNotify)) { cn.eid = event->id; WriteEventsToClient(event->client, 1, (xEvent *) &cn); } } } } static present_complete_notify_proc complete_notify; void present_register_complete_notify(present_complete_notify_proc proc) { complete_notify = proc; } void present_send_complete_notify(WindowPtr window, CARD8 kind, CARD8 mode, CARD32 serial, uint64_t ust, uint64_t msc) { present_window_priv_ptr window_priv = present_window_priv(window); if (window_priv) { xPresentCompleteNotify cn = { .type = GenericEvent, .extension = present_request, .length = (sizeof(xPresentCompleteNotify) - 32) >> 2, .evtype = PresentCompleteNotify, .kind = kind, .mode = mode, .eid = 0, .window = window->drawable.id, .serial = serial, .ust = ust, .msc = msc, }; present_event_ptr event; for (event = window_priv->events; event; event = event->next) { if (event->mask & PresentCompleteNotifyMask) { cn.eid = event->id; WriteEventsToClient(event->client, 1, (xEvent *) &cn); } } } if (complete_notify) (*complete_notify)(window, kind, mode, serial, ust, msc); } void present_send_idle_notify(WindowPtr window, CARD32 serial, PixmapPtr pixmap, struct present_fence *idle_fence) { present_window_priv_ptr window_priv = present_window_priv(window); if (window_priv) { xPresentIdleNotify in = { .type = GenericEvent, .extension = present_request, .length = (sizeof(xPresentIdleNotify) - 32) >> 2, .evtype = PresentIdleNotify, .eid = 0, .window = window->drawable.id, .serial = serial, .pixmap = pixmap->drawable.id, .idle_fence = present_fence_id(idle_fence) }; present_event_ptr event; for (event = window_priv->events; event; event = event->next) { if (event->mask & PresentIdleNotifyMask) { in.eid = event->id; WriteEventsToClient(event->client, 1, (xEvent *) &in); } } } } int present_select_input(ClientPtr client, XID eid, WindowPtr window, CARD32 mask) { present_window_priv_ptr window_priv; present_event_ptr event; int ret; /* Check to see if we're modifying an existing event selection */ ret = dixLookupResourceByType((void **) &event, eid, present_event_type, client, DixWriteAccess); if (ret == Success) { /* Match error for the wrong window; also don't modify some other * client's event selection */ if (event->window != window || event->client != client) return BadMatch; if (mask) event->mask = mask; else FreeResource(eid, RT_NONE); return Success; } if (ret != BadValue) return ret; if (mask == 0) return Success; LEGAL_NEW_RESOURCE(eid, client); window_priv = present_get_window_priv(window, TRUE); if (!window_priv) return BadAlloc; event = calloc (1, sizeof (present_event_rec)); if (!event) return BadAlloc; event->client = client; event->window = window; event->id = eid; event->mask = mask; event->next = window_priv->events; window_priv->events = event; if (!AddResource(event->id, present_event_type, (void *) event)) return BadAlloc; return Success; } Bool present_event_init(void) { present_event_type = CreateNewResourceType(present_free_event, "PresentEvent"); if (!present_event_type) return FALSE; GERegisterExtension(present_request, present_event_swap); return TRUE; }