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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.
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include "present_priv.h"
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);
}
case PresentIdleNotify:
{
xPresentIdleNotify *c = (xPresentIdleNotify *) to;
swapl(&c->eid);
swapl(&c->window);
swapl(&c->serial);
swapl(&c->idle_fence);
}
}
}
void
present_send_config_notify(WindowPtr window, int x, int y, int w, int h, int bw, WindowPtr sibling)
{
present_window_priv_ptr window_priv = present_window_priv(window);
if (window_priv) {
present_event_ptr event;
xPresentConfigureNotify cn;
cn.type = GenericEvent;
cn.extension = present_request;
cn.length = (sizeof(xPresentConfigureNotify) - 32) >> 2;
cn.evtype = PresentConfigureNotify;
cn.eid = 0;
cn.window = window->drawable.id;
cn.x = x;
cn.y = y;
cn.width = w;
cn.height = h;
cn.off_x = 0;
cn.off_y = 0;
cn.pixmap_width = w;
cn.pixmap_height = h;
cn.pixmap_flags = 0;
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) {
present_event_ptr event;
xPresentCompleteNotify cn;
cn.type = GenericEvent;
cn.extension = present_request;
cn.length = (sizeof(xPresentCompleteNotify) - 32) >> 2;
cn.evtype = PresentCompleteNotify;
cn.kind = kind;
cn.mode = mode;
cn.eid = 0;
cn.window = window->drawable.id;
cn.serial = serial;
cn.ust = ust;
cn.msc = msc;
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) {
present_event_ptr event;
xPresentIdleNotify in;
in.type = GenericEvent;
in.extension = present_request;
in.length = (sizeof(xPresentIdleNotify) - 32) >> 2;
in.evtype = PresentIdleNotify;
in.eid = 0;
in.window = window->drawable.id;
in.serial = serial;
in.pixmap = pixmap->drawable.id;
in.idle_fence = present_fence_id(idle_fence);
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_get_window_priv(window, mask != 0);
present_event_ptr event;
if (!window_priv) {
if (mask)
return BadAlloc;
return Success;
}
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;
}
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