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oxr_event.cpp: rewrite in C

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Drew DeVault 2019-10-08 10:28:15 -04:00 committed by Jakob Bornecrantz
parent 904d58d365
commit 6c275f0aae
2 changed files with 15 additions and 18 deletions
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2
src/xrt/state_trackers/oxr/meson.build
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@ -15,7 +15,7 @@ lib_st_oxr = static_library(
'oxr_api_verify.h',
'oxr_binding.c',
'oxr_chain.h',
'oxr_event.cpp',
'oxr_event.c',
'oxr_extension_support.h',
'oxr_handle_base.c',
'oxr_input.c',

31
src/xrt/state_trackers/oxr/oxr_event.cpp → src/xrt/state_trackers/oxr/oxr_event.c
View file

@ -7,9 +7,9 @@
* @ingroup oxr_main
*/
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "util/u_misc.h"
@ -20,18 +20,9 @@
struct oxr_event
{
public:
struct oxr_event *next;
size_t length;
XrResult result;
public:
inline void *
ptr()
{
return &this[1];
}
};
@ -43,10 +34,16 @@ void
unlock(struct oxr_instance *inst)
{}
void *
oxr_event_extra(struct oxr_event *event)
{
return &event[1];
}
struct oxr_event *
pop(struct oxr_instance *inst)
{
auto ret = inst->next_event;
struct oxr_event *ret = inst->next_event;
if (ret == NULL) {
return NULL;
}
@ -64,7 +61,7 @@ pop(struct oxr_instance *inst)
void
push(struct oxr_instance *inst, struct oxr_event *event)
{
auto last = inst->last_event;
struct oxr_event *last = inst->last_event;
if (last != NULL) {
last->next = event;
}
@ -82,7 +79,7 @@ push(struct oxr_instance *inst, struct oxr_event *event)
if (ret != XR_SUCCESS) { \
return ret; \
} \
*extra = (typeof(*extra))(*event)->ptr(); \
*((void **)extra) = oxr_event_extra(*event); \
} while (false)
static XrResult
@ -148,14 +145,14 @@ oxr_poll_event(struct oxr_logger *log,
}
lock(inst);
auto event = pop(inst);
struct oxr_event *event = pop(inst);
unlock(inst);
if (event == NULL) {
return XR_EVENT_UNAVAILABLE;
}
memcpy(eventData, event->ptr(), event->length);
memcpy(eventData, oxr_event_extra(event), event->length);
free(event);
return event->result;