1 2 /* 3 * Copyright 2016 Google Inc. 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 9 #include <Windows.h> 10 #include "WindowContextFactory_win.h" 11 12 #include "../VulkanWindowContext.h" 13 #include "Window_win.h" 14 15 #include "vk/GrVkInterface.h" 16 #include "vk/GrVkUtil.h" 17 18 namespace sk_app { 19 namespace window_context_factory { 20 21 WindowContext* NewVulkanForWin(HWND hwnd, const DisplayParams& params) { 22 auto createVkSurface = [hwnd] (VkInstance instance) -> VkSurfaceKHR { 23 static PFN_vkCreateWin32SurfaceKHR createWin32SurfaceKHR = nullptr; 24 if (!createWin32SurfaceKHR) { 25 createWin32SurfaceKHR = (PFN_vkCreateWin32SurfaceKHR) 26 vkGetInstanceProcAddr(instance, "vkCreateWin32SurfaceKHR"); 27 } 28 HINSTANCE hinstance = GetModuleHandle(0); 29 VkSurfaceKHR surface; 30 31 VkWin32SurfaceCreateInfoKHR surfaceCreateInfo; 32 memset(&surfaceCreateInfo, 0, sizeof(VkWin32SurfaceCreateInfoKHR)); 33 surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR; 34 surfaceCreateInfo.pNext = nullptr; 35 surfaceCreateInfo.flags = 0; 36 surfaceCreateInfo.hinstance = hinstance; 37 surfaceCreateInfo.hwnd = hwnd; 38 39 VkResult res = createWin32SurfaceKHR(instance, &surfaceCreateInfo, nullptr, &surface); 40 if (VK_SUCCESS != res) { 41 return VK_NULL_HANDLE; 42 } 43 44 return surface; 45 }; 46 47 auto canPresent = [hwnd] (VkInstance instance, VkPhysicalDevice physDev, 48 uint32_t queueFamilyIndex) { 49 static PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR 50 getPhysicalDeviceWin32PresentationSupportKHR = nullptr; 51 if (!getPhysicalDeviceWin32PresentationSupportKHR) { 52 getPhysicalDeviceWin32PresentationSupportKHR = 53 (PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR) 54 vkGetInstanceProcAddr(instance, 55 "vkGetPhysicalDeviceWin32PresentationSupportKHR"); 56 } 57 58 VkBool32 check = getPhysicalDeviceWin32PresentationSupportKHR(physDev, queueFamilyIndex); 59 return (VK_FALSE != check); 60 }; 61 62 WindowContext* ctx = new VulkanWindowContext(params, createVkSurface, canPresent); 63 if (!ctx->isValid()) { 64 delete ctx; 65 return nullptr; 66 } 67 return ctx; 68 } 69 70 } // namespace window_context_factory 71 } // namespace sk_app 72
