1 /*
2  * GStreamer
3  * Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Library General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU Library General Public
16  * License along with this library; if not, write to the
17  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
18  * Boston, MA 02110-1301, USA.
19  */
20 
21 #ifndef _VK_QUEUE_H_
22 #define _VK_QUEUE_H_
23 
24 #include "vk.h"
25 
26 #define GST_TYPE_VULKAN_QUEUE         (gst_vulkan_queue_get_type())
27 #define GST_VULKAN_QUEUE(o)           (G_TYPE_CHECK_INSTANCE_CAST((o), GST_TYPE_VULKAN_QUEUE, GstVulkanQueue))
28 #define GST_VULKAN_QUEUE_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), GST_TYPE_VULKAN_QUEUE, GstVulkanQueueClass))
29 #define GST_IS_VULKAN_QUEUE(o)        (G_TYPE_CHECK_INSTANCE_TYPE((o), GST_TYPE_VULKAN_QUEUE))
30 #define GST_IS_VULKAN_QUEUE_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE((k), GST_TYPE_VULKAN_QUEUE))
31 #define GST_VULKAN_QUEUE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GST_TYPE_VULKAN_QUEUE, GstVulkanQueueClass))
32 GType gst_vulkan_queue_get_type       (void);
33 
34 #define GST_VULKAN_QUEUE_CONTEXT_TYPE_STR "gst.vulkan.queue"
35 
36 struct _GstVulkanQueue
37 {
38   GstObject parent;
39 
40   GstVulkanDevice *device;
41 
42   VkQueue queue; /* hides a pointer */
43   guint32 family;
44   guint32 index;
45 };
46 
47 struct _GstVulkanQueueClass
48 {
49   GstObjectClass parent_class;
50 };
51 
52 GstVulkanDevice *   gst_vulkan_queue_get_device (GstVulkanQueue * queue);
53 
54 void                gst_context_set_vulkan_queue                (GstContext * context,
55                                                                  GstVulkanQueue * queue);
56 gboolean            gst_context_get_vulkan_queue                (GstContext * context,
57                                                                  GstVulkanQueue ** queue);
58 gboolean            gst_vulkan_queue_handle_context_query       (GstElement * element,
59                                                                  GstQuery * query,
60                                                                  GstVulkanQueue ** queue);
61 gboolean            gst_vulkan_queue_run_context_query          (GstElement * element,
62                                                                  GstVulkanQueue ** queue);
63 
64 #endif /* _VK_QUEUE_H_ */
65