1 /* GDK - The GIMP Drawing Kit
2  *
3  * gdkvulkancontextprivate.h: specific Vulkan wrappers
4  *
5  * Copyright © 2016  Benjamin Otte
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Library General Public
9  * License as published by the Free Software Foundation; either
10  * version 2 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Library General Public License for more details.
16  *
17  * You should have received a copy of the GNU Library General Public
18  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #ifndef __GDK_VULKAN_CONTEXT_PRIVATE__
22 #define __GDK_VULKAN_CONTEXT_PRIVATE__
23 
24 #include "gdkvulkancontext.h"
25 
26 #include "gdkdrawcontextprivate.h"
27 #include "gdkinternals.h"
28 
29 #ifdef GDK_RENDERING_VULKAN
30 #include <vulkan/vulkan.h>
31 #endif
32 
33 G_BEGIN_DECLS
34 
35 #define GDK_VULKAN_CONTEXT_CLASS(klass) 	(G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_VULKAN_CONTEXT, GdkVulkanContextClass))
36 #define GDK_IS_VULKAN_CONTEXT_CLASS(klass)	(G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_VULKAN_CONTEXT))
37 #define GDK_VULKAN_CONTEXT_GET_CLASS(obj)	(G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_VULKAN_CONTEXT, GdkVulkanContextClass))
38 
39 typedef struct _GdkVulkanContextClass GdkVulkanContextClass;
40 
41 struct _GdkVulkanContext
42 {
43   GdkDrawContext parent_instance;
44 };
45 
46 struct _GdkVulkanContextClass
47 {
48   GdkDrawContextClass parent_class;
49 
50 #ifdef GDK_RENDERING_VULKAN
51   VkResult     (* create_surface)       (GdkVulkanContext       *context,
52                                          VkSurfaceKHR           *surface);
53 #endif
54 };
55 
56 #ifdef GDK_RENDERING_VULKAN
57 
58 static inline VkResult
gdk_vulkan_handle_result(VkResult res,const char * called_function)59 gdk_vulkan_handle_result (VkResult    res,
60                           const char *called_function)
61 {
62   if (res != VK_SUCCESS)
63     {
64       GDK_NOTE (VULKAN, g_printerr ("%s(): %s (%d)\n", called_function, gdk_vulkan_strerror (res), res));
65     }
66 
67   return res;
68 }
69 
70 #define GDK_VK_CHECK(func, ...) gdk_vulkan_handle_result (func (__VA_ARGS__), G_STRINGIFY (func))
71 
72 gboolean        gdk_display_ref_vulkan                          (GdkDisplay      *display,
73                                                                  GError         **error);
74 void            gdk_display_unref_vulkan                        (GdkDisplay      *display);
75 
76 #else /* !GDK_RENDERING_VULKAN */
77 
78 
79 static inline gboolean
gdk_display_ref_vulkan(GdkDisplay * display,GError ** error)80 gdk_display_ref_vulkan (GdkDisplay  *display,
81                         GError     **error)
82 {
83   GDK_DISPLAY_NOTE (display, VULKAN, g_message ("Support for Vulkan disabled at compile-time"));
84   g_set_error_literal (error, GDK_VULKAN_ERROR, GDK_VULKAN_ERROR_UNSUPPORTED,
85                        "Vulkan support was not enabled at compile time.");
86 
87   return FALSE;
88 }
89 
90 #endif /* !GDK_RENDERING_VULKAN */
91 
92 G_END_DECLS
93 
94 #endif /* __GDK__VULKAN_CONTEXT_PRIVATE__ */
95