1 files changed, 62 insertions, 0 deletions
diff --git a/tools/viewer/sk_app/win/VulkanWindowContext_win.cpp b/tools/viewer/sk_app/win/VulkanWindowContext_win.cpp
new file mode 100644
index 0000000000..05f3bddd31
--- /dev/null
+++ b/tools/viewer/sk_app/win/VulkanWindowContext_win.cpp
@@ -0,0 +1,62 @@
+
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "VulkanWindowContext_win.h"
+
+#include "vk/GrVkInterface.h"
+#include "vk/GrVkUtil.h"
+
+namespace sk_app {
+
+// Platform dependant call
+VkSurfaceKHR VulkanWindowContext::createVkSurface(VkInstance instance, void* platformData) {
+    static PFN_vkCreateWin32SurfaceKHR createWin32SurfaceKHR = nullptr;
+    if (!createWin32SurfaceKHR) {
+        createWin32SurfaceKHR = (PFN_vkCreateWin32SurfaceKHR) vkGetInstanceProcAddr(instance,
+                                                                        "vkCreateWin32SurfaceKHR");
+    }
+
+    if (!platformData) {
+        return VK_NULL_HANDLE;
+    }
+    ContextPlatformData_win* winPlatformData =
+                                          reinterpret_cast<ContextPlatformData_win*>(platformData);
+    VkSurfaceKHR surface;
+
+    VkWin32SurfaceCreateInfoKHR surfaceCreateInfo;
+    memset(&surfaceCreateInfo, 0, sizeof(VkWin32SurfaceCreateInfoKHR));
+    surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
+    surfaceCreateInfo.pNext = nullptr;
+    surfaceCreateInfo.flags = 0;
+    surfaceCreateInfo.hinstance = winPlatformData->fHInstance;
+    surfaceCreateInfo.hwnd = winPlatformData->fHWnd;
+
+    VkResult res = createWin32SurfaceKHR(instance, &surfaceCreateInfo, nullptr, &surface);
+    if (VK_SUCCESS != res) {
+        return VK_NULL_HANDLE;
+    }
+
+    return surface;
+}
+
+// Platform dependant call
+bool VulkanWindowContext::canPresent(VkInstance instance, VkPhysicalDevice physDev,
+                                   uint32_t queueFamilyIndex) {
+    static PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR
+                                            getPhysicalDeviceWin32PresentationSupportKHR = nullptr;
+    if (!getPhysicalDeviceWin32PresentationSupportKHR) {
+        getPhysicalDeviceWin32PresentationSupportKHR =
+            (PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR) vkGetInstanceProcAddr(instance,
+                                                 "vkGetPhysicalDeviceWin32PresentationSupportKHR");
+    }
+
+    VkBool32 check = getPhysicalDeviceWin32PresentationSupportKHR(physDev, queueFamilyIndex);
+    return (VK_FALSE != check);
+}
+
+}   // namespace sk_app