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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \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)
{
if (xr_contexthandle == nullptr) {
return GHOST_kFailure;
}
GHOST_XrContext &xr_context = *(GHOST_XrContext *)xr_contexthandle;
XrEventDataBuffer event_buffer; /* Structure big enough to hold all possible events. */
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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