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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
// Qt-Security score:significant reason:default
#include <AppKit/AppKit.h>
#import <QuartzCore/CAMetalLayer.h>
#include "qcocoavulkaninstance.h"
#include "qcocoawindow.h"
QT_BEGIN_NAMESPACE
QCocoaVulkanInstance::QCocoaVulkanInstance(QVulkanInstance *instance)
: m_instance(instance)
{
loadVulkanLibrary(QStringLiteral("vulkan"));
}
QCocoaVulkanInstance::~QCocoaVulkanInstance()
{
}
void QCocoaVulkanInstance::createOrAdoptInstance()
{
initInstance(m_instance, QByteArrayList() << QByteArrayLiteral("VK_EXT_metal_surface") << QByteArrayLiteral("VK_MVK_macos_surface"));
}
VkSurfaceKHR *QCocoaVulkanInstance::surface(QWindow *window)
{
QCocoaWindow *cocoaWindow = static_cast<QCocoaWindow *>(window->handle());
if (!cocoaWindow->m_vulkanSurface)
cocoaWindow->m_vulkanSurface = createSurface(cocoaWindow->contentLayer());
return &cocoaWindow->m_vulkanSurface;
}
VkSurfaceKHR QCocoaVulkanInstance::createSurface(CALayer *layer)
{
VkSurfaceKHR surface = nullptr;
if (!m_createMetalSurface) {
m_createMetalSurface = reinterpret_cast<PFN_vkCreateMetalSurfaceEXT>(
m_vkGetInstanceProcAddr(m_vkInst, "vkCreateMetalSurfaceEXT"));
}
if (m_createMetalSurface) {
VkMetalSurfaceCreateInfoEXT info = {};
info.sType = VK_STRUCTURE_TYPE_METAL_SURFACE_CREATE_INFO_EXT;
info.pLayer = qt_objc_cast<CAMetalLayer*>(layer);
VkResult err = m_createMetalSurface(m_vkInst, &info, nullptr, &surface);
if (err == VK_SUCCESS)
return surface;
qWarning("Failed to create Vulkan surface from metal layer: %d", err);
}
if (!m_createSurface) {
m_createSurface = reinterpret_cast<PFN_vkCreateMacOSSurfaceMVK>(
m_vkGetInstanceProcAddr(m_vkInst, "vkCreateMacOSSurfaceMVK"));
}
if (!m_createSurface) {
qWarning("Failed to find vkCreateMacOSSurfaceMVK");
return m_nullSurface;
}
VkMacOSSurfaceCreateInfoMVK surfaceInfo;
surfaceInfo.sType = VK_STRUCTURE_TYPE_MACOS_SURFACE_CREATE_INFO_MVK;
surfaceInfo.pNext = nullptr;
surfaceInfo.flags = 0;
surfaceInfo.pView = layer;
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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