skia2/tools/viewer/sk_app/win/VulkanWindowContext_win.cpp

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/*
* 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 <Windows.h>
#include "WindowContextFactory_win.h"
#include "../VulkanWindowContext.h"
#include "Window_win.h"
#include "vk/GrVkInterface.h"
#include "vk/GrVkUtil.h"
namespace sk_app {
namespace window_context_factory {
WindowContext* NewVulkanForWin(HWND hwnd, const DisplayParams& params) {
auto createVkSurface = [hwnd] (VkInstance instance) -> VkSurfaceKHR {
static PFN_vkCreateWin32SurfaceKHR createWin32SurfaceKHR = nullptr;
if (!createWin32SurfaceKHR) {
createWin32SurfaceKHR = (PFN_vkCreateWin32SurfaceKHR)
vkGetInstanceProcAddr(instance, "vkCreateWin32SurfaceKHR");
}
HINSTANCE hinstance = GetModuleHandle(0);
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 = hinstance;
surfaceCreateInfo.hwnd = hwnd;
VkResult res = createWin32SurfaceKHR(instance, &surfaceCreateInfo, nullptr, &surface);
if (VK_SUCCESS != res) {
return VK_NULL_HANDLE;
}
return surface;
};
auto 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);
};
WindowContext* ctx = new VulkanWindowContext(params, createVkSurface, canPresent);
if (!ctx->isValid()) {
delete ctx;
return nullptr;
}
return ctx;
}
} // namespace window_context_factory
} // namespace sk_app