1 /*
2  * GStreamer
3  * Copyright (C) 2013 Matthew Waters <ystreet00@gmail.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 __GST_VULKAN_DISPLAY_XCB_H__
22 #define __GST_VULKAN_DISPLAY_XCB_H__
23 
24 #include <gst/gst.h>
25 
26 #include <xcb/xcb.h>
27 
28 #include <vk.h>
29 #ifndef VK_USE_PLATFORM_XCB_KHR
30 #error "VK_USE_PLATFORM_XCB_KHR not defined before including this header"
31 #error "Either include vkapi.h or define VK_USE_PLATFORM_XCB_KHR before including this header"
32 #endif
33 #include <vulkan/vulkan.h>
34 
35 G_BEGIN_DECLS
36 
37 GType gst_vulkan_display_xcb_get_type (void);
38 
39 #define GST_TYPE_VULKAN_DISPLAY_XCB             (gst_vulkan_display_xcb_get_type())
40 #define GST_VULKAN_DISPLAY_XCB(obj)             (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VULKAN_DISPLAY_XCB,GstVulkanDisplayXCB))
41 #define GST_VULKAN_DISPLAY_XCB_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_VULKAN_DISPLAY_XCB,GstVulkanDisplayXCBClass))
42 #define GST_IS_VULKAN_DISPLAY_XCB(obj)          (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VULKAN_DISPLAY_XCB))
43 #define GST_IS_VULKAN_DISPLAY_XCB_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_VULKAN_DISPLAY_XCB))
44 #define GST_VULKAN_DISPLAY_XCB_CAST(obj)        ((GstVulkanDisplayXCB*)(obj))
45 
46 typedef struct _GstVulkanDisplayXCB GstVulkanDisplayXCB;
47 typedef struct _GstVulkanDisplayXCBClass GstVulkanDisplayXCBClass;
48 
49 #define GST_VULKAN_DISPLAY_XCB_CONNECTION(d) (GST_VULKAN_DISPLAY_XCB(d)->connection)
50 #define GST_VULKAN_DISPLAY_XCB_ROOT_WINDOW(d) (GST_VULKAN_DISPLAY_XCB(d)->root_window)
51 #define GST_VULKAN_DISPLAY_XCB_SCREEN(d) (GST_VULKAN_DISPLAY_XCB(d)->screen)
52 
53 /**
54  * GstVulkanDisplayXCB:
55  *
56  * the contents of a #GstVulkanDisplayXCB are private and should only be accessed
57  * through the provided API
58  */
59 struct _GstVulkanDisplayXCB
60 {
61   GstVulkanDisplay          parent;
62 
63   xcb_connection_t *connection;
64   xcb_window_t      root_window;
65   xcb_screen_t     *screen;
66 
67   /* <private> */
68   gboolean foreign_display;
69 
70   GSource *event_source;
71 };
72 
73 struct _GstVulkanDisplayXCBClass
74 {
75   GstVulkanDisplayClass object_class;
76 };
77 
78 GstVulkanDisplayXCB * gst_vulkan_display_xcb_new                    (const gchar * name);
79 GstVulkanDisplayXCB * gst_vulkan_display_xcb_new_with_connection    (xcb_connection_t * connection,
80                                                                      int screen_no);
81 
82 G_END_DECLS
83 
84 #endif /* __GST_VULKAN_DISPLAY_XCB_H__ */
85