vulkan: Initial support

Adds the gdk_display_ref_vulkan() and gdk_display_unref_vulkan()
functions which setup/tear down VUlkan support for the display.

Nothing is using those functions yet.

1 files changed, 82 insertions, 0 deletions

diff --git a/gdk/gdkvulkancontextprivate.h b/gdk/gdkvulkancontextprivate.h
new file mode 100644
index 0000000000..7bed0d92fe
--- /dev/null
+++ b/gdk/gdkvulkancontextprivate.h
@@ -0,0 +1,82 @@
+/* GDK - The GIMP Drawing Kit
+ *
+ * gdkvulkancontext-x11.h:  specific Vulkan wrappers
+ *
+ * Copyright © 2016  Benjamin Otte
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GDK_VULKAN_CONTEXT_PRIVATE__
+#define __GDK_VULKAN_CONTEXT_PRIVATE__
+
+#include "gdkvulkancontext.h"
+
+#include "gdkinternals.h"
+
+#include <vulkan/vulkan.h>
+
+G_BEGIN_DECLS
+
+#define GDK_VULKAN_CONTEXT_CLASS(klass) 	(G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_VULKAN_CONTEXT, GdkVulkanContextClass))
+#define GDK_IS_VULKAN_CONTEXT_CLASS(klass)	(G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_VULKAN_CONTEXT))
+#define GDK_VULKAN_CONTEXT_GET_CLASS(obj)	(G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_VULKAN_CONTEXT, GdkVulkanContextClass))
+
+typedef struct _GdkVulkanContextClass GdkVulkanContextClass;
+
+struct _GdkVulkanContext
+{
+  GObject parent_instance;
+};
+
+struct _GdkVulkanContextClass
+{
+  GObjectClass parent_class;
+};
+
+#ifdef GDK_WINDOWING_VULKAN
+
+static inline VkResult
+gdk_vulkan_handle_result (VkResult    res,
+                          const char *called_function)
+{
+  if (res != VK_SUCCESS)
+    {
+      GDK_NOTE (VULKAN,g_printerr ("%s(): %d\n", called_function, res));
+    }
+  return res;
+}
+
+#define GDK_VK_CHECK(func, ...) gdk_vulkan_handle_result (func (__VA_ARGS__), G_STRINGIFY (func))
+
+gboolean        gdk_display_ref_vulkan                          (GdkDisplay      *display,
+                                                                 const char      *wsi_extension_name);
+void            gdk_display_unref_vulkan                        (GdkDisplay      *display);
+
+#else /* !GDK_WINDOWING_VULKAN */
+
+static inline gboolean
+gdk_display_init_vulkan (GdkDisplay *display,
+                         const char *wsi_extension_name)
+{
+  GDK_NOTE (VULKAN, g_print ("Support for Vulkan disabled at compile-time"));
+
+  return FALSE;
+}
+
+#endif /* !GDK_WINDOWING_VULKAN */
+
+G_END_DECLS
+
+#endif /* __GDK__VULKAN_CONTEXT_PRIVATE__ */