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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qwindowsvulkaninstance.h"
QT_BEGIN_NAMESPACE
QWindowsVulkanInstance::QWindowsVulkanInstance(QVulkanInstance *instance)
: m_instance(instance),
m_getPhysDevPresSupport(nullptr),
m_createSurface(nullptr)
{
loadVulkanLibrary(QStringLiteral("vulkan-1"));
}
void QWindowsVulkanInstance::createOrAdoptInstance()
{
initInstance(m_instance, QByteArrayList() << QByteArrayLiteral("VK_KHR_win32_surface"));
if (!m_vkInst)
return;
m_getPhysDevPresSupport = reinterpret_cast<PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR>(
m_vkGetInstanceProcAddr(m_vkInst, "vkGetPhysicalDeviceWin32PresentationSupportKHR"));
if (!m_getPhysDevPresSupport)
qWarning("Failed to find vkGetPhysicalDeviceWin32PresentationSupportKHR");
}
bool QWindowsVulkanInstance::supportsPresent(VkPhysicalDevice physicalDevice,
uint32_t queueFamilyIndex,
QWindow *window)
{
if (!m_getPhysDevPresSupport || !m_getPhysDevSurfaceSupport)
return true;
bool ok = m_getPhysDevPresSupport(physicalDevice, queueFamilyIndex);
VkSurfaceKHR surface = QVulkanInstance::surfaceForWindow(window);
VkBool32 supported = false;
m_getPhysDevSurfaceSupport(physicalDevice, queueFamilyIndex, surface, &supported);
ok &= bool(supported);
return ok;
}
VkSurfaceKHR QWindowsVulkanInstance::createSurface(HWND win)
{
VkSurfaceKHR surface = VK_NULL_HANDLE;
if (!m_createSurface) {
m_createSurface = reinterpret_cast<PFN_vkCreateWin32SurfaceKHR>(
m_vkGetInstanceProcAddr(m_vkInst, "vkCreateWin32SurfaceKHR"));
}
if (!m_createSurface) {
qWarning("Failed to find vkCreateWin32SurfaceKHR");
return surface;
}
VkWin32SurfaceCreateInfoKHR surfaceInfo;
memset(&surfaceInfo, 0, sizeof(surfaceInfo));
surfaceInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
surfaceInfo.hinstance = GetModuleHandle(nullptr);
surfaceInfo.hwnd = win;
VkResult err = m_createSurface(m_vkInst, &surfaceInfo, nullptr, &surface);
if (err != VK_SUCCESS)
qWarning("Failed to create Vulkan surface: %d", err);
return surface;
}
QT_END_NAMESPACE
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