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 #include "vk/VkTestUtils.h"
19
20 namespace sk_app {
21 namespace window_context_factory {
22
NewVulkanForWin(HWND hwnd,const DisplayParams & params)23 WindowContext* NewVulkanForWin(HWND hwnd, const DisplayParams& params) {
24 PFN_vkGetInstanceProcAddr instProc;
25 PFN_vkGetDeviceProcAddr devProc;
26 if (!sk_gpu_test::LoadVkLibraryAndGetProcAddrFuncs(&instProc, &devProc)) {
27 return nullptr;
28 }
29
30 auto createVkSurface = [hwnd, instProc] (VkInstance instance) -> VkSurfaceKHR {
31 static PFN_vkCreateWin32SurfaceKHR createWin32SurfaceKHR = nullptr;
32 if (!createWin32SurfaceKHR) {
33 createWin32SurfaceKHR = (PFN_vkCreateWin32SurfaceKHR)
34 instProc(instance, "vkCreateWin32SurfaceKHR");
35 }
36 HINSTANCE hinstance = GetModuleHandle(0);
37 VkSurfaceKHR surface;
38
39 VkWin32SurfaceCreateInfoKHR surfaceCreateInfo;
40 memset(&surfaceCreateInfo, 0, sizeof(VkWin32SurfaceCreateInfoKHR));
41 surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
42 surfaceCreateInfo.pNext = nullptr;
43 surfaceCreateInfo.flags = 0;
44 surfaceCreateInfo.hinstance = hinstance;
45 surfaceCreateInfo.hwnd = hwnd;
46
47 VkResult res = createWin32SurfaceKHR(instance, &surfaceCreateInfo, nullptr, &surface);
48 if (VK_SUCCESS != res) {
49 return VK_NULL_HANDLE;
50 }
51
52 return surface;
53 };
54
55 auto canPresent = [instProc] (VkInstance instance, VkPhysicalDevice physDev,
56 uint32_t queueFamilyIndex) {
57 static PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR
58 getPhysicalDeviceWin32PresentationSupportKHR = nullptr;
59 if (!getPhysicalDeviceWin32PresentationSupportKHR) {
60 getPhysicalDeviceWin32PresentationSupportKHR =
61 (PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR)
62 instProc(instance, "vkGetPhysicalDeviceWin32PresentationSupportKHR");
63 }
64
65 VkBool32 check = getPhysicalDeviceWin32PresentationSupportKHR(physDev, queueFamilyIndex);
66 return (VK_FALSE != check);
67 };
68
69 WindowContext* ctx = new VulkanWindowContext(params, createVkSurface, canPresent,
70 instProc, devProc);
71 if (!ctx->isValid()) {
72 delete ctx;
73 return nullptr;
74 }
75 return ctx;
76 }
77
78 } // namespace window_context_factory
79 } // namespace sk_app
80