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