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/*
* GStreamer
* Copyright (C) 2016 Matthew Waters <matthew@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "vktrash.h"
#include "vkutils_private.h"
GST_DEBUG_CATEGORY (gst_debug_vulkan_trash);
#define GST_CAT_DEFAULT gst_debug_vulkan_trash
static void
_init_debug (void)
{
static volatile gsize init;
if (g_once_init_enter (&init)) {
GST_DEBUG_CATEGORY_INIT (gst_debug_vulkan_trash,
"vulkantrash", 0, "Vulkan Trash");
g_once_init_leave (&init, 1);
}
}
void
gst_vulkan_trash_free (GstVulkanTrash * trash)
{
if (!trash)
return;
GST_TRACE ("Freeing trash object %p with fence %" GST_PTR_FORMAT, trash,
trash->fence);
gst_vulkan_fence_unref (trash->fence);
g_free (trash);
}
GstVulkanTrash *
gst_vulkan_trash_new (GstVulkanFence * fence, GstVulkanTrashNotify notify,
gpointer user_data)
{
GstVulkanTrash *ret = NULL;
g_return_val_if_fail (fence != NULL, NULL);
g_return_val_if_fail (GST_IS_VULKAN_DEVICE (fence->device), NULL);
g_return_val_if_fail (notify != NULL, NULL);
_init_debug ();
ret = g_new0 (GstVulkanTrash, 1);
GST_TRACE ("Creating new trash object %p with fence %" GST_PTR_FORMAT
" on device %" GST_PTR_FORMAT, ret, fence, fence->device);
ret->fence = fence;
ret->notify = notify;
ret->user_data = user_data;
return ret;
}
GList *
gst_vulkan_trash_list_gc (GList * trash_list)
{
GList *l = trash_list;
while (l) {
GstVulkanTrash *trash = l->data;
if (gst_vulkan_fence_is_signaled (trash->fence)) {
GList *next = g_list_next (l);
GST_TRACE ("fence %" GST_PTR_FORMAT " has been signalled, notifying",
trash->fence);
trash->notify (trash->fence->device, trash->user_data);
gst_vulkan_trash_free (trash);
trash_list = g_list_delete_link (trash_list, l);
l = next;
} else {
l = g_list_next (l);
}
}
return trash_list;
}
gboolean
gst_vulkan_trash_list_wait (GList * trash_list, guint64 timeout)
{
VkResult err = VK_SUCCESS;
guint i, n;
/* remove all the previously signaled fences */
trash_list = gst_vulkan_trash_list_gc (trash_list);
n = g_list_length (trash_list);
if (n > 0) {
VkFence *fences;
GstVulkanDevice *device = NULL;
GList *l = NULL;
fences = g_new0 (VkFence, n);
for (i = 0, l = trash_list; i < n; i++, l = g_list_next (l)) {
GstVulkanTrash *trash = l->data;
if (device == NULL)
device = trash->fence->device;
fences[i] = trash->fence->fence;
/* only support waiting on fences from the same device */
g_assert (device == trash->fence->device);
}
GST_TRACE ("Waiting on %d fences with timeout %" GST_TIME_FORMAT, n,
GST_TIME_ARGS (timeout));
err = vkWaitForFences (device->device, n, fences, TRUE, timeout);
g_free (fences);
trash_list = gst_vulkan_trash_list_gc (trash_list);
}
return err == VK_SUCCESS;
}
static void
_free_command_buffer (GstVulkanDevice * device, VkCommandBuffer * cmd)
{
g_assert (cmd);
vkFreeCommandBuffers (device->device, device->cmd_pool, 1, cmd);
g_free (cmd);
}
GstVulkanTrash *
gst_vulkan_trash_new_free_command_buffer (GstVulkanFence * fence,
VkCommandBuffer cmd)
{
VkCommandBuffer *data;
GstVulkanTrash *trash;
data = g_new0 (VkCommandBuffer, 1);
*data = cmd;
trash = gst_vulkan_trash_new (fence,
(GstVulkanTrashNotify) _free_command_buffer, data);
return trash;
}
static void
_free_semaphore (GstVulkanDevice * device, VkSemaphore * semaphore)
{
if (semaphore)
vkDestroySemaphore (device->device, *semaphore, NULL);
g_free (semaphore);
}
GstVulkanTrash *
gst_vulkan_trash_new_free_semaphore (GstVulkanFence * fence,
VkSemaphore semaphore)
{
VkSemaphore *data;
GstVulkanTrash *trash;
data = g_new0 (VkSemaphore, 1);
*data = semaphore;
trash = gst_vulkan_trash_new (fence,
(GstVulkanTrashNotify) _free_semaphore, data);
return trash;
}
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