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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/** \file
* \ingroup GHOST
*/
#include <iostream>
#include "GHOST_C-api.h"
#include "GHOST_XrContext.h"
#include "GHOST_Xr_intern.h"
static bool GHOST_XrEventPollNext(XrInstance instance, XrEventDataBuffer &r_event_data)
{
/* (Re-)initialize as required by specification. */
r_event_data.type = XR_TYPE_EVENT_DATA_BUFFER;
r_event_data.next = nullptr;
return (xrPollEvent(instance, &r_event_data) == XR_SUCCESS);
}
GHOST_TSuccess GHOST_XrEventsHandle(GHOST_XrContextHandle xr_contexthandle)
{
GHOST_XrContext *xr_context = (GHOST_XrContext *)xr_contexthandle;
XrEventDataBuffer event_buffer; /* Structure big enough to hold all possible events. */
if (xr_context == NULL) {
return GHOST_kFailure;
}
while (GHOST_XrEventPollNext(xr_context->getInstance(), event_buffer)) {
XrEventDataBaseHeader *event = (XrEventDataBaseHeader *)&event_buffer;
switch (event->type) {
case XR_TYPE_EVENT_DATA_SESSION_STATE_CHANGED:
xr_context->handleSessionStateChange((XrEventDataSessionStateChanged *)event);
return GHOST_kSuccess;
case XR_TYPE_EVENT_DATA_INSTANCE_LOSS_PENDING:
GHOST_XrContextDestroy(xr_contexthandle);
return GHOST_kSuccess;
default:
if (xr_context->isDebugMode()) {
printf("Unhandled event: %i\n", event->type);
}
return GHOST_kFailure;
}
}
return GHOST_kFailure;
}
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