gstreamer/gst-libs/gst/vulkan/gstvkfence.h
Matthew Waters 1c89096b4f vulkan/fence: add always-signalled fence type
Allows a cleaner control flow when there is no fence available for use
with the trash list.  An always signalled fence type will always return
TRUE for gst_vulkan_fence_is_signalled.
2019-11-07 20:01:57 +00:00

68 lines
2 KiB
C

/*
* 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.
*/
#ifndef __GST_VULKAN_FENCE_H__
#define __GST_VULKAN_FENCE_H__
#include <gst/vulkan/vulkan.h>
G_BEGIN_DECLS
#define GST_TYPE_VULKAN_FENCE (gst_vulkan_fence_get_type ())
GST_VULKAN_API
GType gst_vulkan_fence_get_type (void);
#define GST_VULKAN_FENCE_CAST(f) ((GstVulkanFence *) f)
#define GST_VULKAN_FENCE_FENCE(f) (GST_VULKAN_FENCE_CAST(f)->fence)
struct _GstVulkanFence
{
GstMiniObject parent;
GstVulkanDevice *device;
VkFence fence;
};
GST_VULKAN_API
GstVulkanFence * gst_vulkan_fence_new (GstVulkanDevice * device,
VkFenceCreateFlags flags,
GError ** error);
GST_VULKAN_API
GstVulkanFence * gst_vulkan_fence_new_always_signalled (GstVulkanDevice *device);
GST_VULKAN_API
gboolean gst_vulkan_fence_is_signaled (GstVulkanFence * fence);
static inline GstVulkanFence *
gst_vulkan_fence_ref (GstVulkanFence * fence)
{
return GST_VULKAN_FENCE_CAST (gst_mini_object_ref (GST_MINI_OBJECT_CAST (fence)));
}
static inline void
gst_vulkan_fence_unref (GstVulkanFence * fence)
{
gst_mini_object_unref (GST_MINI_OBJECT_CAST (fence));
}
G_END_DECLS
#endif /* __GST_VULKAN_FENCE_H__ */