mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
synced 2026-05-19 04:58:08 +02:00
3c4e1c918c
Reviewed-by: Derek Foreman <derek.foreman@collabora.com> Reviewed-by: Tatsuyuki Ishi <ishitatsuyuki@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29924>
127 lines
3.3 KiB
C
127 lines
3.3 KiB
C
/*
|
|
* Copyright © 2016 Intel Corporation
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the next
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
* Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
* IN THE SOFTWARE.
|
|
*/
|
|
|
|
#ifndef VULKAN_WSI_COMMON_QUEUE_H
|
|
#define VULKAN_WSI_COMMON_QUEUE_H
|
|
|
|
#include <time.h>
|
|
#include "util/cnd_monotonic.h"
|
|
#include "util/u_vector.h"
|
|
|
|
struct wsi_queue {
|
|
struct u_vector vector;
|
|
mtx_t mutex;
|
|
struct u_cnd_monotonic cond;
|
|
};
|
|
|
|
static inline int
|
|
wsi_queue_init(struct wsi_queue *queue, int length)
|
|
{
|
|
int ret;
|
|
|
|
if (length < 4)
|
|
length = 4;
|
|
|
|
ret = u_vector_init(&queue->vector, length, sizeof(uint32_t));
|
|
if (!ret)
|
|
return ENOMEM;
|
|
|
|
ret = u_cnd_monotonic_init(&queue->cond);
|
|
if (ret != thrd_success)
|
|
goto fail_vector;
|
|
|
|
ret = mtx_init(&queue->mutex, mtx_plain);
|
|
if (ret != thrd_success)
|
|
goto fail_cond;
|
|
|
|
return 0;
|
|
|
|
fail_cond:
|
|
u_cnd_monotonic_destroy(&queue->cond);
|
|
fail_vector:
|
|
u_vector_finish(&queue->vector);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static inline void
|
|
wsi_queue_destroy(struct wsi_queue *queue)
|
|
{
|
|
u_vector_finish(&queue->vector);
|
|
mtx_destroy(&queue->mutex);
|
|
u_cnd_monotonic_destroy(&queue->cond);
|
|
}
|
|
|
|
static inline void
|
|
wsi_queue_push(struct wsi_queue *queue, uint32_t index)
|
|
{
|
|
uint32_t *elem;
|
|
|
|
mtx_lock(&queue->mutex);
|
|
|
|
if (u_vector_length(&queue->vector) == 0)
|
|
u_cnd_monotonic_signal(&queue->cond);
|
|
|
|
elem = u_vector_add(&queue->vector);
|
|
*elem = index;
|
|
|
|
mtx_unlock(&queue->mutex);
|
|
}
|
|
|
|
static inline VkResult
|
|
wsi_queue_pull(struct wsi_queue *queue, uint32_t *index, uint64_t timeout)
|
|
{
|
|
VkResult result;
|
|
int32_t ret;
|
|
|
|
mtx_lock(&queue->mutex);
|
|
|
|
struct timespec abs_timeout_ts;
|
|
timespec_from_nsec(&abs_timeout_ts, os_time_get_absolute_timeout(timeout));
|
|
|
|
while (u_vector_length(&queue->vector) == 0) {
|
|
ret = u_cnd_monotonic_timedwait(&queue->cond, &queue->mutex,
|
|
&abs_timeout_ts);
|
|
if (ret == thrd_success) {
|
|
continue;
|
|
} else if (ret == thrd_timedout) {
|
|
result = VK_TIMEOUT;
|
|
goto end;
|
|
} else {
|
|
/* Something went badly wrong */
|
|
result = VK_ERROR_OUT_OF_DATE_KHR;
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
uint32_t *elem = u_vector_remove(&queue->vector);
|
|
*index = *elem;
|
|
result = VK_SUCCESS;
|
|
|
|
end:
|
|
mtx_unlock(&queue->mutex);
|
|
|
|
return result;
|
|
}
|
|
|
|
#endif /* VULKAN_WSI_COMMON_QUEUE_H */
|