vulkan/wsi: Add a wsi_device_init function

This gives the opportunity to collect some function pointers if we'd
like which will be very useful in future.

Reviewed-by: Dave Airlie <[email protected]>
Reviewed-by: Chad Versace <[email protected]>

3 files changed, 40 insertions, 0 deletions

diff --git a/src/vulkan/wsi/meson.build b/src/vulkan/wsi/meson.build
index 3aa02d5e63f..bfec376e9a7 100644
--- a/src/vulkan/wsi/meson.build
+++ b/src/vulkan/wsi/meson.build
@@ -22,6 +22,7 @@ vulkan_wsi_args = []
 vulkan_wsi_deps = []
 
 files_vulkan_wsi = files(
+  'wsi_common.c',
   'wsi_common.h',
   'wsi_common_queue.h',
 )
diff --git a/src/vulkan/wsi/wsi_common.c b/src/vulkan/wsi/wsi_common.c
new file mode 100644
index 00000000000..8c883b4daf0
--- /dev/null
+++ b/src/vulkan/wsi/wsi_common.c
@@ -0,0 +1,32 @@
+/*
+ * Copyright © 2017 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "wsi_common.h"
+
+void
+wsi_device_init(struct wsi_device *wsi,
+                VkPhysicalDevice pdevice,
+                WSI_FN_GetPhysicalDeviceProcAddr proc_addr)
+{
+   memset(wsi, 0, sizeof(*wsi));
+}
diff --git a/src/vulkan/wsi/wsi_common.h b/src/vulkan/wsi/wsi_common.h
index 565219d4e26..41d2c6d1128 100644
--- a/src/vulkan/wsi/wsi_common.h
+++ b/src/vulkan/wsi/wsi_common.h
@@ -121,6 +121,13 @@ struct wsi_device {
     struct wsi_interface *                  wsi[VK_ICD_WSI_PLATFORM_MAX];
 };
 
+typedef PFN_vkVoidFunction (VKAPI_PTR *WSI_FN_GetPhysicalDeviceProcAddr)(VkPhysicalDevice physicalDevice, const char* pName);
+
+void
+wsi_device_init(struct wsi_device *wsi,
+                VkPhysicalDevice pdevice,
+                WSI_FN_GetPhysicalDeviceProcAddr proc_addr);
+
 #define WSI_CB(cb) PFN_vk##cb cb
 struct wsi_callbacks {
    WSI_CB(GetPhysicalDeviceFormatProperties);