gstreamer/gst-libs/gst/vulkan/gstvkcommandbuffer.c

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/*
* 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 volatile 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);