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zink: add a util for getting cached fd semaphores

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24962>
This commit is contained in:
Mike Blumenkrantz 2023-08-30 16:13:33 -04:00 • committed by Marge Bot
parent 5f7333b188
commit 7662ddc426
2 changed files with 30 additions and 0 deletions
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27
src/gallium/drivers/zink/zink_screen.c
View file

@ -2172,6 +2172,33 @@ zink_screen_init_semaphore(struct zink_screen *screen)
return VKSCR(CreateSemaphore)(screen->dev, &sci, NULL, &screen->sem) == VK_SUCCESS;
}
VkSemaphore
zink_create_exportable_semaphore(struct zink_screen *screen)
{
VkExportSemaphoreCreateInfo eci = {
VK_STRUCTURE_TYPE_EXPORT_SEMAPHORE_CREATE_INFO,
NULL,
VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT
};
VkSemaphoreCreateInfo sci = {
VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO,
&eci,
0
};
VkSemaphore sem = VK_NULL_HANDLE;
if (util_dynarray_contains(&screen->fd_semaphores, VkSemaphore)) {
simple_mtx_lock(&screen->semaphores_lock);
if (util_dynarray_contains(&screen->fd_semaphores, VkSemaphore))
sem = util_dynarray_pop(&screen->fd_semaphores, VkSemaphore);
simple_mtx_unlock(&screen->semaphores_lock);
}
if (sem)
return sem;
VkResult ret = VKSCR(CreateSemaphore)(screen->dev, &sci, NULL, &sem);
return ret == VK_SUCCESS ? sem : VK_NULL_HANDLE;
}
bool
zink_screen_timeline_wait(struct zink_screen *screen, uint64_t batch_id, uint64_t timeout)
{

3
src/gallium/drivers/zink/zink_screen.h
View file

@ -122,6 +122,9 @@ zink_screen_lock_context(struct zink_screen *screen);
void
zink_screen_unlock_context(struct zink_screen *screen);
VkSemaphore
zink_create_exportable_semaphore(struct zink_screen *screen);
VkFormat
zink_get_format(struct zink_screen *screen, enum pipe_format format);