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640a65bf96
volatile is not sufficient to provide atomic guarantees and real atomics should be used instead. GCC 11 has started warning about using volatile with atomic operations. https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1719 Discovered in https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/issues/868 Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2098>
538 lines
15 KiB
C
538 lines
15 KiB
C
/*
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* GStreamer
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* Copyright (C) 2016 Matthew Waters <matthew@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstvktrash.h"
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#include "gstvkhandle.h"
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/**
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* SECTION:vktrash
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* @title: GstVulkanTrash
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* @short_description: Vulkan helper object for freeing resources after a #GstVulkanFence is signalled
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* @see_also: #GstVulkanFence, #GstVulkanQueue
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*
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* #GstVulkanTrash is a helper object for freeing resources after a
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* #GstVulkanFence is signalled.
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*/
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GST_DEBUG_CATEGORY (gst_debug_vulkan_trash);
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#define GST_CAT_DEFAULT gst_debug_vulkan_trash
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#define gst_vulkan_trash_release(c,t) \
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gst_vulkan_handle_pool_release (GST_VULKAN_HANDLE_POOL_CAST (c), t);
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static void
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_init_debug (void)
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{
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static gsize init;
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if (g_once_init_enter (&init)) {
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GST_DEBUG_CATEGORY_INIT (gst_debug_vulkan_trash,
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"vulkantrash", 0, "Vulkan Trash");
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g_once_init_leave (&init, 1);
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}
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}
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static gboolean
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gst_vulkan_trash_dispose (GstVulkanTrash * trash)
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{
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GstVulkanTrashList *cache;
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/* no pool, do free */
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if ((cache = trash->cache) == NULL)
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return TRUE;
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/* keep the buffer alive */
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gst_vulkan_trash_ref (trash);
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/* return the trash object to the pool */
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gst_vulkan_trash_release (cache, trash);
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return FALSE;
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}
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static void
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gst_vulkan_trash_deinit (GstVulkanTrash * trash)
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{
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if (trash->fence) {
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g_warn_if_fail (gst_vulkan_fence_is_signaled (trash->fence));
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gst_vulkan_fence_unref (trash->fence);
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trash->fence = NULL;
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}
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trash->notify = NULL;
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trash->user_data = NULL;
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}
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static void
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gst_vulkan_trash_free (GstMiniObject * object)
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{
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GstVulkanTrash *trash = (GstVulkanTrash *) object;
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GST_TRACE ("Freeing trash object %p with fence %" GST_PTR_FORMAT, trash,
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trash->fence);
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gst_vulkan_trash_deinit (trash);
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g_free (trash);
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}
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static void
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gst_vulkan_trash_init (GstVulkanTrash * trash, GstVulkanFence * fence,
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GstVulkanTrashNotify notify, gpointer user_data)
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{
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g_return_if_fail (fence != NULL);
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g_return_if_fail (GST_IS_VULKAN_DEVICE (fence->device));
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g_return_if_fail (notify != NULL);
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gst_mini_object_init ((GstMiniObject *) trash, 0,
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gst_vulkan_trash_get_type (), NULL,
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(GstMiniObjectDisposeFunction) gst_vulkan_trash_dispose,
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(GstMiniObjectFreeFunction) gst_vulkan_trash_free);
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GST_TRACE ("Initializing trash object %p with fence %" GST_PTR_FORMAT
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" on device %" GST_PTR_FORMAT, trash, fence, fence->device);
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trash->fence = gst_vulkan_fence_ref (fence);
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trash->notify = notify;
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trash->user_data = user_data;
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}
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/**
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* gst_vulkan_trash_new:
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* @fence: a #GstVulkanFence
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* @notify: (scope async): a #GstVulkanTrashNotify
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* @user_data: (closure notify): user data for @notify
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*
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* Create and return a new #GstVulkanTrash object that will stores a callback
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* to call when @fence is signalled.
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*
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* Returns: (transfer full): a new #GstVulkanTrash
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*
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* Since: 1.18
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*/
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GstVulkanTrash *
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gst_vulkan_trash_new (GstVulkanFence * fence, GstVulkanTrashNotify notify,
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gpointer user_data)
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{
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GstVulkanTrash *ret = NULL;
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g_return_val_if_fail (fence != NULL, NULL);
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g_return_val_if_fail (GST_IS_VULKAN_DEVICE (fence->device), NULL);
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g_return_val_if_fail (notify != NULL, NULL);
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_init_debug ();
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ret = g_new0 (GstVulkanTrash, 1);
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GST_TRACE ("Creating new trash object %p with fence %" GST_PTR_FORMAT
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" on device %" GST_PTR_FORMAT, ret, fence, fence->device);
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gst_vulkan_trash_init (ret, fence, notify, user_data);
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return ret;
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}
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#if GLIB_SIZEOF_VOID_P == 8
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# define PUSH_NON_DISPATCHABLE_HANDLE_TO_GPOINTER(pointer, handle) pointer = (gpointer) handle
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# define TAKE_NON_DISPATCHABLE_HANDLE_FROM_GPOINTER(handle, type, pointer) handle = (type) pointer
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#else
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# define PUSH_NON_DISPATCHABLE_HANDLE_TO_GPOINTER(pointer, handle) \
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G_STMT_START { \
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pointer = g_new0(guint64, 1); \
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*((GstVulkanHandleTypedef *) pointer) = (GstVulkanHandleTypedef) handle; \
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} G_STMT_END
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# define TAKE_NON_DISPATCHABLE_HANDLE_FROM_GPOINTER(handle, type, pointer) \
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G_STMT_START { \
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handle = *((type *) pointer); \
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g_free (pointer); \
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} G_STMT_END
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#endif
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#define FREE_DESTROY_FUNC(func, type, type_name) \
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static void \
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G_PASTE(_free_,type_name) (GstVulkanDevice * device, gpointer resource_handle) \
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{ \
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type resource; \
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TAKE_NON_DISPATCHABLE_HANDLE_FROM_GPOINTER(resource, type, resource_handle); \
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GST_TRACE_OBJECT (device, "Freeing vulkan " G_STRINGIFY (type) \
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" %" GST_VULKAN_NON_DISPATCHABLE_HANDLE_FORMAT, resource); \
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func (device->device, resource, NULL); \
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} \
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GstVulkanTrash * \
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G_PASTE(gst_vulkan_trash_new_free_,type_name) (GstVulkanFence * fence, \
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type type_name) \
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{ \
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GstVulkanTrash *trash; \
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gpointer handle_data; \
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PUSH_NON_DISPATCHABLE_HANDLE_TO_GPOINTER(handle_data, type_name); \
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g_return_val_if_fail (type_name != VK_NULL_HANDLE, VK_NULL_HANDLE); \
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trash = gst_vulkan_trash_new (fence, \
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(GstVulkanTrashNotify) G_PASTE(_free_,type_name), handle_data); \
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return trash; \
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}
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/**
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* gst_vulkan_trash_new_free_semaphore:
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* @fence: the #GstVulkanFence
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* @semaphore: a `VkSemaphore` to free
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*
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* Returns: (transfer full): a new #GstVulkanTrash object that will the free
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* @semaphore when @fence is signalled
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*
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* Since: 1.18
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*/
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FREE_DESTROY_FUNC (vkDestroySemaphore, VkSemaphore, semaphore);
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#define FREE_WITH_VK_PARENT(func, type, type_name, parent_type) \
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struct G_PASTE(free_parent_info_,type_name) \
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{ \
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parent_type parent; \
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type resource; \
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}; \
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static void \
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G_PASTE(_free_,type_name) (GstVulkanDevice * device, struct G_PASTE(free_parent_info_,type_name) *info) \
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{ \
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GST_TRACE_OBJECT (device, "Freeing vulkan " G_STRINGIFY (type) \
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" %" GST_VULKAN_NON_DISPATCHABLE_HANDLE_FORMAT, info->resource); \
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func (device->device, info->parent, 1, &info->resource); \
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g_free (info); \
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} \
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GstVulkanTrash * \
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G_PASTE(gst_vulkan_trash_new_free_,type_name) (GstVulkanFence * fence, \
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parent_type parent, type type_name) \
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{ \
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struct G_PASTE(free_parent_info_,type_name) *info; \
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GstVulkanTrash *trash; \
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g_return_val_if_fail (type_name != VK_NULL_HANDLE, VK_NULL_HANDLE); \
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info = g_new0 (struct G_PASTE(free_parent_info_,type_name), 1); \
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/* FIXME: keep parent alive ? */\
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info->parent = parent; \
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info->resource = type_name; \
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trash = gst_vulkan_trash_new (fence, \
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(GstVulkanTrashNotify) G_PASTE(_free_,type_name), info); \
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return trash; \
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}
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/**
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* gst_vulkan_trash_object_unref:
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* @device: the #GstVulkanDevice
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* @user_data: the #GstMiniObject
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*
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* A #GstVulkanTrashNotify implementation for unreffing a #GstObject when the
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* associated #GstVulkanFence is signalled
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*
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* Since: 1.18
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*/
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void
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gst_vulkan_trash_object_unref (GstVulkanDevice * device, gpointer user_data)
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{
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gst_object_unref ((GstObject *) user_data);
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}
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/**
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* gst_vulkan_trash_mini_object_unref:
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* @device: the #GstVulkanDevice
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* @user_data: the #GstMiniObject
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*
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* A #GstVulkanTrashNotify implementation for unreffing a #GstMiniObject when the
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* associated #GstVulkanFence is signalled
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*
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* Since: 1.18
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*/
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void
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gst_vulkan_trash_mini_object_unref (GstVulkanDevice * device,
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gpointer user_data)
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{
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gst_mini_object_unref ((GstMiniObject *) user_data);
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}
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G_DEFINE_TYPE_WITH_CODE (GstVulkanTrashList, gst_vulkan_trash_list,
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GST_TYPE_VULKAN_HANDLE_POOL, _init_debug ());
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/**
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* gst_vulkan_trash_list_gc:
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* @trash_list: the #GstVulkanTrashList
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*
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* Remove any stored #GstVulkanTrash objects that have had their associated
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* #GstVulkanFence signalled.
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*
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* Since: 1.18
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*/
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void
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gst_vulkan_trash_list_gc (GstVulkanTrashList * trash_list)
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{
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GstVulkanTrashListClass *trash_class;
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g_return_if_fail (GST_IS_VULKAN_TRASH_LIST (trash_list));
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trash_class = GST_VULKAN_TRASH_LIST_GET_CLASS (trash_list);
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g_return_if_fail (trash_class->gc_func != NULL);
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trash_class->gc_func (trash_list);
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}
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/**
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* gst_vulkan_trash_list_add:
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* @trash_list: the #GstVulkanTrashList
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* @trash: #GstVulkanTrash object to add to the list
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*
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* Returns: whether @trash could be added to @trash_list
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*
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* Since: 1.18
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*/
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gboolean
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gst_vulkan_trash_list_add (GstVulkanTrashList * trash_list,
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GstVulkanTrash * trash)
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{
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GstVulkanTrashListClass *trash_class;
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g_return_val_if_fail (GST_IS_VULKAN_TRASH_LIST (trash_list), FALSE);
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trash_class = GST_VULKAN_TRASH_LIST_GET_CLASS (trash_list);
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g_return_val_if_fail (trash_class->add_func != NULL, FALSE);
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return trash_class->add_func (trash_list, trash);
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}
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/**
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* gst_vulkan_trash_list_wait:
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* @trash_list: the #GstVulkanTrashList
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* @timeout: timeout in ns to wait, -1 for indefinite
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*
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* Returns: whether the wait succeeded in waiting for all objects to be freed.
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*
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* Since: 1.18
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*/
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gboolean
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gst_vulkan_trash_list_wait (GstVulkanTrashList * trash_list, guint64 timeout)
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{
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GstVulkanTrashListClass *trash_class;
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g_return_val_if_fail (GST_IS_VULKAN_TRASH_LIST (trash_list), FALSE);
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trash_class = GST_VULKAN_TRASH_LIST_GET_CLASS (trash_list);
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g_return_val_if_fail (trash_class->wait_func != NULL, FALSE);
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return trash_class->wait_func (trash_list, timeout);
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}
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static gpointer
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gst_vulkan_trash_list_alloc_impl (GstVulkanHandlePool * pool, GError ** error)
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{
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return g_new0 (GstVulkanTrash, 1);
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}
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static void
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gst_vulkan_trash_list_release_impl (GstVulkanHandlePool * pool, gpointer handle)
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{
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GstVulkanTrash *trash = handle;
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GST_TRACE_OBJECT (pool, "reset trash object %p", trash);
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gst_vulkan_trash_deinit (trash);
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gst_clear_object (&trash->cache);
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GST_VULKAN_HANDLE_POOL_CLASS (gst_vulkan_trash_list_parent_class)->release
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(pool, handle);
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}
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static void
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gst_vulkan_trash_list_free_impl (GstVulkanHandlePool * pool, gpointer handle)
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{
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GstVulkanTrash *trash = handle;
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gst_vulkan_trash_unref (trash);
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}
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static void
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gst_vulkan_trash_list_class_init (GstVulkanTrashListClass * klass)
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{
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GstVulkanHandlePoolClass *pool_class = (GstVulkanHandlePoolClass *) klass;
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pool_class->alloc = gst_vulkan_trash_list_alloc_impl;
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pool_class->release = gst_vulkan_trash_list_release_impl;
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pool_class->free = gst_vulkan_trash_list_free_impl;
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}
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static void
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gst_vulkan_trash_list_init (GstVulkanTrashList * trash_list)
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{
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}
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/**
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* gst_vulkan_trash_list_acquire:
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* @trash_list: a #GstVulkanTrashList
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* @fence: a #GstVulkanFence to wait for signalling
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* @notify: (scope async): notify function for when @fence is signalled
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* @user_data: user data for @notify
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*
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* Returns: (transfer full): a new or reused #GstVulkanTrash for the provided
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* parameters.
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*
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* Since: 1.18
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*/
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GstVulkanTrash *
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gst_vulkan_trash_list_acquire (GstVulkanTrashList * trash_list,
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GstVulkanFence * fence, GstVulkanTrashNotify notify, gpointer user_data)
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{
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GstVulkanHandlePool *pool = GST_VULKAN_HANDLE_POOL (trash_list);
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GstVulkanHandlePoolClass *pool_class;
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GstVulkanTrash *trash;
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g_return_val_if_fail (GST_IS_VULKAN_TRASH_LIST (trash_list), NULL);
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pool_class = GST_VULKAN_HANDLE_POOL_GET_CLASS (trash_list);
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trash = pool_class->acquire (pool, NULL);
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gst_vulkan_trash_init (trash, fence, notify, user_data);
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trash->cache = gst_object_ref (trash_list);
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GST_TRACE_OBJECT (trash_list, "acquired trash object %p", trash);
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return trash;
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}
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typedef struct _GstVulkanTrashFenceList GstVulkanTrashFenceList;
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struct _GstVulkanTrashFenceList
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{
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GstVulkanTrashList parent;
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GList *list;
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};
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G_DEFINE_TYPE (GstVulkanTrashFenceList, gst_vulkan_trash_fence_list,
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GST_TYPE_VULKAN_TRASH_LIST);
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static void
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gst_vulkan_trash_fence_list_gc (GstVulkanTrashList * trash_list)
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{
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GstVulkanTrashFenceList *fence_list = (GstVulkanTrashFenceList *) trash_list;
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GList *l = fence_list->list;
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while (l) {
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GstVulkanTrash *trash = l->data;
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if (gst_vulkan_fence_is_signaled (trash->fence)) {
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GList *next = g_list_next (l);
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GST_TRACE_OBJECT (fence_list, "fence %" GST_PTR_FORMAT " has been "
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"signalled, notifying", trash->fence);
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trash->notify (trash->fence->device, trash->user_data);
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gst_vulkan_trash_unref (trash);
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fence_list->list = g_list_delete_link (fence_list->list, l);
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l = next;
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} else {
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l = g_list_next (l);
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}
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}
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}
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static gboolean
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gst_vulkan_trash_fence_list_wait (GstVulkanTrashList * trash_list,
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guint64 timeout)
|
|
{
|
|
GstVulkanTrashFenceList *fence_list = (GstVulkanTrashFenceList *) trash_list;
|
|
VkResult err = VK_SUCCESS;
|
|
guint i, n;
|
|
|
|
/* remove all the previously signaled fences */
|
|
gst_vulkan_trash_fence_list_gc (trash_list);
|
|
|
|
n = g_list_length (fence_list->list);
|
|
if (n > 0) {
|
|
VkFence *fences;
|
|
GstVulkanDevice *device = NULL;
|
|
GList *l = NULL;
|
|
|
|
fences = g_new0 (VkFence, n);
|
|
for (i = 0, l = fence_list->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_OBJECT (trash_list, "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);
|
|
|
|
gst_vulkan_trash_fence_list_gc (trash_list);
|
|
}
|
|
|
|
return err == VK_SUCCESS;
|
|
}
|
|
|
|
static gboolean
|
|
gst_vulkan_trash_fence_list_add (GstVulkanTrashList * trash_list,
|
|
GstVulkanTrash * trash)
|
|
{
|
|
GstVulkanTrashFenceList *fence_list = (GstVulkanTrashFenceList *) trash_list;
|
|
|
|
g_return_val_if_fail (GST_MINI_OBJECT_TYPE (trash) == GST_TYPE_VULKAN_TRASH,
|
|
FALSE);
|
|
|
|
/* XXX: do something better based on the actual fence */
|
|
fence_list->list = g_list_prepend (fence_list->list, trash);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
gst_vulkan_trash_fence_list_finalize (GObject * object)
|
|
{
|
|
GstVulkanTrashList *trash_list = (GstVulkanTrashList *) object;
|
|
GstVulkanTrashFenceList *fence_list = (GstVulkanTrashFenceList *) object;
|
|
|
|
gst_vulkan_trash_fence_list_gc (trash_list);
|
|
g_warn_if_fail (fence_list->list == NULL);
|
|
|
|
G_OBJECT_CLASS (gst_vulkan_trash_fence_list_parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
gst_vulkan_trash_fence_list_class_init (GstVulkanTrashFenceListClass * klass)
|
|
{
|
|
GstVulkanTrashListClass *trash_class = (GstVulkanTrashListClass *) klass;
|
|
GObjectClass *object_class = (GObjectClass *) klass;
|
|
|
|
trash_class->add_func = gst_vulkan_trash_fence_list_add;
|
|
trash_class->gc_func = gst_vulkan_trash_fence_list_gc;
|
|
trash_class->wait_func = gst_vulkan_trash_fence_list_wait;
|
|
|
|
object_class->finalize = gst_vulkan_trash_fence_list_finalize;
|
|
}
|
|
|
|
static void
|
|
gst_vulkan_trash_fence_list_init (GstVulkanTrashFenceList * trash_list)
|
|
{
|
|
}
|
|
|
|
/**
|
|
* gst_vulkan_trash_fence_list_new:
|
|
*
|
|
* Returns: (transfer full): a new #gst_vulkan_trash_fence_list_new
|
|
*
|
|
* Since: a.18
|
|
*/
|
|
GstVulkanTrashList *
|
|
gst_vulkan_trash_fence_list_new (void)
|
|
{
|
|
return g_object_new (gst_vulkan_trash_fence_list_get_type (), NULL);
|
|
}
|
|
|
|
GST_DEFINE_MINI_OBJECT_TYPE (GstVulkanTrash, gst_vulkan_trash);
|