gstreamer/gst-libs/gst/vulkan/gstvkcommandbuffer.c
Matthew Waters 640a65bf96 gst: don't use volatile to mean atomic
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>
2021-03-22 14:34:36 +11:00

117 lines
3 KiB
C

/*
* GStreamer
* Copyright (C) 2019 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.
*/
/**
* SECTION:vulkancommandbuffer
* @title: GstVulkanCommandBuffer
* @short_description: Vulkan command buffer
* @see_also: #GstVulkanCommandPool
*
* vulkancommandbuffer holds information about a command buffer.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstvkcommandbuffer.h"
#include "gstvkcommandpool.h"
#include "gstvkcommandpool-private.h"
#define GST_CAT_DEFAULT gst_debug_vulkan_command_buffer
GST_DEBUG_CATEGORY (GST_CAT_DEFAULT);
static void
init_debug (void)
{
static gsize _init = 0;
if (g_once_init_enter (&_init)) {
GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkancommandbuffer", 0,
"Vulkan command buffer");
g_once_init_leave (&_init, 1);
}
}
static gboolean
gst_vulkan_command_buffer_dispose (GstVulkanCommandBuffer * cmd)
{
GstVulkanCommandPool *pool;
/* no pool, do free */
if ((pool = cmd->pool) == NULL)
return TRUE;
/* keep the buffer alive */
gst_vulkan_command_buffer_ref (cmd);
/* return the buffer to the pool */
gst_vulkan_command_pool_release_buffer (pool, cmd);
return FALSE;
}
static void
gst_vulkan_command_buffer_free (GstVulkanCommandBuffer * cmd)
{
g_assert (cmd->pool == NULL);
GST_TRACE ("Freeing %p", cmd);
g_free (cmd);
}
static void
gst_vulkan_command_buffer_init (GstVulkanCommandBuffer * cmd,
VkCommandBuffer cmd_buf, VkCommandBufferLevel level)
{
cmd->cmd = cmd_buf;
cmd->level = level;
init_debug ();
GST_TRACE ("new %p", cmd);
gst_mini_object_init (&cmd->parent, 0, GST_TYPE_VULKAN_COMMAND_BUFFER,
NULL, (GstMiniObjectDisposeFunction) gst_vulkan_command_buffer_dispose,
(GstMiniObjectFreeFunction) gst_vulkan_command_buffer_free);
}
/**
* gst_vulkan_command_buffer_new_wrapped:
* @cmd: a VkCommandBuffer
* @level: the VkCommandBufferLevel for @cmd
*
* Returns: (transfer full): a new #GstVulkanCommandBuffer
*
* Since: 1.18
*/
GstVulkanCommandBuffer *
gst_vulkan_command_buffer_new_wrapped (VkCommandBuffer cmd,
VkCommandBufferLevel level)
{
GstVulkanCommandBuffer *ret;
ret = g_new0 (GstVulkanCommandBuffer, 1);
gst_vulkan_command_buffer_init (ret, cmd, level);
return ret;
}
GST_DEFINE_MINI_OBJECT_TYPE (GstVulkanCommandBuffer, gst_vulkan_command_buffer);