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 "include/gpu/vk/GrVkVulkan.h"
10
11#include "tools/sk_app/win/WindowContextFactory_win.h"
12
13#include "tools/sk_app/VulkanWindowContext.h"
14#include "tools/sk_app/win/Window_win.h"
15
16#include "src/gpu/vk/GrVkInterface.h"
17#include "src/gpu/vk/GrVkUtil.h"
18
19#include "tools/gpu/vk/VkTestUtils.h"
20
21#include <Windows.h>
22
23namespace sk_app {
24namespace window_context_factory {
25
26std::unique_ptr<WindowContext> MakeVulkanForWin(HWND hwnd, const DisplayParams& params) {
27    PFN_vkGetInstanceProcAddr instProc;
28    PFN_vkGetDeviceProcAddr devProc;
29    if (!sk_gpu_test::LoadVkLibraryAndGetProcAddrFuncs(&instProc, &devProc)) {
30        return nullptr;
31    }
32
33    auto createVkSurface = [hwnd, instProc] (VkInstance instance) -> VkSurfaceKHR {
34        static PFN_vkCreateWin32SurfaceKHR createWin32SurfaceKHR = nullptr;
35        if (!createWin32SurfaceKHR) {
36            createWin32SurfaceKHR = (PFN_vkCreateWin32SurfaceKHR)
37                instProc(instance, "vkCreateWin32SurfaceKHR");
38        }
39        HINSTANCE hinstance = GetModuleHandle(0);
40        VkSurfaceKHR surface;
41
42        VkWin32SurfaceCreateInfoKHR surfaceCreateInfo;
43        memset(&surfaceCreateInfo, 0, sizeof(VkWin32SurfaceCreateInfoKHR));
44        surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
45        surfaceCreateInfo.pNext = nullptr;
46        surfaceCreateInfo.flags = 0;
47        surfaceCreateInfo.hinstance = hinstance;
48        surfaceCreateInfo.hwnd = hwnd;
49
50        VkResult res = createWin32SurfaceKHR(instance, &surfaceCreateInfo, nullptr, &surface);
51        if (VK_SUCCESS != res) {
52            return VK_NULL_HANDLE;
53        }
54
55        return surface;
56    };
57
58    auto canPresent = [instProc] (VkInstance instance, VkPhysicalDevice physDev,
59                                  uint32_t queueFamilyIndex) {
60        static PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR
61                                            getPhysicalDeviceWin32PresentationSupportKHR = nullptr;
62        if (!getPhysicalDeviceWin32PresentationSupportKHR) {
63            getPhysicalDeviceWin32PresentationSupportKHR =
64                (PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR)
65                    instProc(instance, "vkGetPhysicalDeviceWin32PresentationSupportKHR");
66        }
67
68        VkBool32 check = getPhysicalDeviceWin32PresentationSupportKHR(physDev, queueFamilyIndex);
69        return (VK_FALSE != check);
70    };
71
72    std::unique_ptr<WindowContext> ctx(
73            new VulkanWindowContext(params, createVkSurface, canPresent, instProc, devProc));
74    if (!ctx->isValid()) {
75        return nullptr;
76    }
77    return ctx;
78}
79
80}  // namespace window_context_factory
81}  // namespace sk_app
82