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-rw-r--r--src/gui/configure.json86
-rw-r--r--src/gui/kernel/qguiapplication.cpp4
-rw-r--r--src/gui/kernel/qhighdpiscaling_p.h2
-rw-r--r--src/gui/kernel/qscreen.cpp19
-rw-r--r--src/gui/kernel/qscreen.h1
-rw-r--r--src/gui/rhi/qrhivulkan.cpp4
-rw-r--r--src/gui/vulkan/qplatformvulkaninstance.cpp5
-rw-r--r--src/gui/vulkan/qplatformvulkaninstance.h1
-rw-r--r--src/gui/vulkan/qvulkaninstance.cpp14
-rw-r--r--src/gui/vulkan/qvulkaninstance.h1
-rw-r--r--src/gui/vulkan/qvulkanwindow.cpp113
-rw-r--r--src/gui/vulkan/qvulkanwindow.h7
-rw-r--r--src/gui/vulkan/qvulkanwindow_p.h1
13 files changed, 198 insertions, 60 deletions
diff --git a/src/gui/configure.json b/src/gui/configure.json
index c2793bf236..39b8d0c2b8 100644
--- a/src/gui/configure.json
+++ b/src/gui/configure.json
@@ -41,11 +41,10 @@
"sm": { "type": "boolean", "name": "sessionmanager" },
"tslib": "boolean",
"vulkan": "boolean",
- "xcb": { "type": "enum", "values": [ "no", "yes", "qt", "system" ] },
+ "xcb": "boolean",
+ "bundled-xcb-xinput": "boolean",
"xcb-native-painting": "boolean",
"xcb-xlib": "boolean",
- "xcb-xinput": "boolean",
- "xkb": "boolean",
"xkbcommon": "boolean"
}
},
@@ -573,18 +572,22 @@
]
},
"xcb": {
- "label": "XCB >= 1.9",
+ "label": "XCB >= 1.11",
"test": {
"main": [
"int primaryScreen = 0;",
"(void)xcb_connect(\"\", &primaryScreen);",
- "// This won't compile unless libxcb >= 1.9 which defines XCB_CONN_CLOSED_INVALID_SCREEN.",
- "int xcbScreenError = XCB_CONN_CLOSED_INVALID_SCREEN;"
+ "/* XCB_PACKED define was added in libxcb 1.11 */",
+ "#ifdef XCB_PACKED",
+ " return 0;",
+ "#else",
+ " return -1;",
+ "#endif"
]
},
"headers": "xcb/xcb.h",
"sources": [
- { "type": "pkgConfig", "args": "xcb >= 1.9" },
+ { "type": "pkgConfig", "args": "xcb >= 1.11" },
"-lxcb"
]
},
@@ -691,21 +694,10 @@
"use": "xcb xlib"
},
"xcb_xkb": {
- "label": "XCB XKB >= 1.10",
- "test": {
- "head": [
- "// xkb.h is using a variable called 'explicit', which is a reserved keyword in C++",
- "#define explicit dont_use_cxx_explicit"
- ],
- "tail": "#undef explicit",
- "main": [
- "// This takes more arguments in xcb-xkb < 1.10.",
- "xcb_xkb_get_kbd_by_name_unchecked(NULL, 0, 0, 0, 0);"
- ]
- },
+ "label": "XCB XKB",
"headers": "xcb/xkb.h",
"sources": [
- { "type": "pkgConfig", "args": "xcb-xkb >= 1.10" },
+ { "type": "pkgConfig", "args": "xcb-xkb" },
"-lxcb-xkb"
],
"use": "xcb"
@@ -769,7 +761,7 @@
"xkbcommon_x11": {
"label": "xkbcommon-x11",
"test": {
- "main": "xkb_x11_get_core_keyboard_device_id(nullptr);"
+ "main": "xkb_x11_setup_xkb_extension_flags flag = XKB_X11_SETUP_XKB_EXTENSION_NO_FLAGS;"
},
"headers": [ "xkbcommon/xkbcommon-x11.h" ],
"sources": [
@@ -1056,6 +1048,11 @@
"label": "XCB (extensions)",
"type": "compile",
"test": {
+ "head": [
+ "// xkb.h is using a variable called 'explicit', which is a reserved keyword in C++",
+ "#define explicit dont_use_cxx_explicit"
+ ],
+ "tail": "#undef explicit",
"include": [
"xcb/xcb.h",
"xcb/xcb_image.h",
@@ -1068,7 +1065,8 @@
"xcb/xfixes.h",
"xcb/xinerama.h",
"xcb/xcb_icccm.h",
- "xcb/xcb_renderutil.h"
+ "xcb/xcb_renderutil.h",
+ "xcb/xkb.h"
],
"main": [
"int primaryScreen = 0;",
@@ -1082,10 +1080,13 @@
" xcb_render_query_pict_formats_reply(c, formatsCookie, &error);",
"/* RENDERUTIL: xcb_renderutil.h include won't compile unless version >= 0.3.9 */",
- "xcb_render_util_find_standard_format(nullptr, XCB_PICT_STANDARD_ARGB_32);"
+ "xcb_render_util_find_standard_format(nullptr, XCB_PICT_STANDARD_ARGB_32);",
+
+ "/* XKB: This takes more arguments in xcb-xkb < 1.11 */",
+ "xcb_xkb_get_kbd_by_name_replies_key_names_value_list_sizeof(nullptr, 0, 0, 0, 0, 0, 0, 0, 0);"
]
},
- "use": "xcb_icccm xcb_image xcb_keysyms xcb_randr xcb_render xcb_renderutil xcb_shape xcb_shm xcb_sync xcb_xfixes xcb_xinerama xcb"
+ "use": "xcb_icccm xcb_image xcb_keysyms xcb_randr xcb_render xcb_renderutil xcb_shape xcb_shm xcb_sync xcb_xfixes xcb_xinerama xcb_xkb xcb"
},
"x11prefix": {
"label": "X11 prefix",
@@ -1514,16 +1515,7 @@
"label": "XCB",
"section": "Platform plugins",
"autoDetect": "!config.darwin",
- "enable": "input.xcb == 'system' || input.xcb == 'qt' || input.xcb == 'yes'",
- "condition": "features.thread && features.xkbcommon && libs.xcb",
- "output": [ "privateFeature" ]
- },
- "system-xcb": {
- "label": "Using system-provided XCB libraries",
- "enable": "input.xcb == 'system'",
- "disable": "input.xcb == 'qt'",
- "autoDetect": "!config.darwin",
- "condition": "features.xcb && tests.xcb_syslibs",
+ "condition": "features.thread && libs.xcb && tests.xcb_syslibs && features.xkbcommon-x11",
"output": [ "privateFeature" ]
},
"x11-prefix": {
@@ -1562,12 +1554,6 @@
"condition": "features.xcb-native-painting",
"output": [ "privateFeature" ]
},
- "xkb": {
- "label": "XCB XKB",
- "emitIf": "features.xcb",
- "condition": "(!features.system-xcb || libs.xcb_xkb) && libs.xkbcommon_x11",
- "output": [ "privateFeature" ]
- },
"xcb-xlib": {
"label": "XCB Xlib",
"condition": "features.xlib && libs.xcb_xlib",
@@ -1579,10 +1565,12 @@
"condition": "features.sessionmanager && libs.x11sm",
"output": [ "privateFeature" ]
},
- "xcb-xinput": {
- "label": "XCB XInput",
+ "system-xcb-xinput": {
+ "label": "Using system-provided xcb-xinput",
"emitIf": "features.xcb",
- "condition": "!features.system-xcb || libs.xcb_xinput",
+ "disable": "input.bundled-xcb-xinput == 'yes'",
+ "enable": "input.bundled-xcb-xinput == 'no'",
+ "condition": "libs.xcb_xinput",
"output": [ "privateFeature" ]
},
"xkbcommon": {
@@ -1590,6 +1578,11 @@
"condition": "libs.xkbcommon",
"output": [ "privateFeature" ]
},
+ "xkbcommon-x11": {
+ "label": "xkbcommon-x11",
+ "condition": "features.xkbcommon && libs.xkbcommon_x11",
+ "output": [ "privateFeature" ]
+ },
"xlib": {
"label": "XLib",
"autoDetect": "!config.darwin || features.xcb",
@@ -1831,7 +1824,7 @@
{
"type": "error",
"condition": "input.xcb != '' && input.xcb != 'no' && input.xkbcommon == 'no'",
- "message": "XCB plugin requires xkbcommon, but -no-xkbcommon was provided."
+ "message": "XCB plugin requires xkbcommon and xkbcommon-x11, but -no-xkbcommon was provided."
}
],
@@ -1953,7 +1946,8 @@ QMAKE_LIBDIR_OPENGL[_ES2] and QMAKE_LIBS_OPENGL[_ES2] in the mkspec for your pla
"entries": [
"xlib",
"xcb-xlib",
- "egl_x11"
+ "egl_x11",
+ "xkbcommon-x11"
]
}
]
@@ -1986,7 +1980,7 @@ QMAKE_LIBDIR_OPENGL[_ES2] and QMAKE_LIBS_OPENGL[_ES2] in the mkspec for your pla
"section": "XCB",
"condition": "features.xcb",
"entries": [
- "system-xcb", "xkb", "xcb-xinput", "xcb-native-painting",
+ "system-xcb-xinput", "xcb-native-painting",
{
"section": "GL integrations",
"entries": [
diff --git a/src/gui/kernel/qguiapplication.cpp b/src/gui/kernel/qguiapplication.cpp
index 13de8af8b5..b4c4231910 100644
--- a/src/gui/kernel/qguiapplication.cpp
+++ b/src/gui/kernel/qguiapplication.cpp
@@ -1040,7 +1040,9 @@ QList<QScreen *> QGuiApplication::screens()
The \a point is in relation to the virtualGeometry() of each set of virtual
siblings. If the point maps to more than one set of virtual siblings the first
- match is returned.
+ match is returned. If you wish to search only the virtual desktop siblings
+ of a known screen (for example siblings of the screen of your application
+ window \c QWidget::windowHandle()->screen()), use QScreen::virtualSiblingAt().
\since 5.10
*/
diff --git a/src/gui/kernel/qhighdpiscaling_p.h b/src/gui/kernel/qhighdpiscaling_p.h
index f58944a7d2..3c85481495 100644
--- a/src/gui/kernel/qhighdpiscaling_p.h
+++ b/src/gui/kernel/qhighdpiscaling_p.h
@@ -313,7 +313,7 @@ public:
static inline QPoint mapPositionToNative(const QPoint &pos, const QPlatformScreen *) { return pos; }
static inline QPoint mapPositionToGlobal(const QPoint &pos, const QPoint &windowGlobalPosition, const QWindow *window) { return pos; }
static inline QPoint mapPositionFromGlobal(const QPoint &pos, const QPoint &windowGlobalPosition, const QWindow *window) { return pos; }
- static inline QDpi logicalDpi() { return QDpi(-1,-1); }
+ static inline QDpi logicalDpi(const QScreen *screen) { return QDpi(-1,-1); }
};
namespace QHighDpi {
diff --git a/src/gui/kernel/qscreen.cpp b/src/gui/kernel/qscreen.cpp
index 7adf3db1b8..80de561297 100644
--- a/src/gui/kernel/qscreen.cpp
+++ b/src/gui/kernel/qscreen.cpp
@@ -700,6 +700,25 @@ void QScreenPrivate::updatePrimaryOrientation()
}
/*!
+ Returns the screen at \a point within the set of \l QScreen::virtualSiblings(),
+ or \c nullptr if outside of any screen.
+
+ The \a point is in relation to the virtualGeometry() of each set of virtual
+ siblings.
+
+ \since 5.15
+*/
+QScreen *QScreen::virtualSiblingAt(const QPoint &point)
+{
+ const auto &siblings = virtualSiblings();
+ for (QScreen *sibling : siblings) {
+ if (sibling->geometry().contains(point))
+ return sibling;
+ }
+ return nullptr;
+}
+
+/*!
Creates and returns a pixmap constructed by grabbing the contents
of the given \a window restricted by QRect(\a x, \a y, \a width,
\a height).
diff --git a/src/gui/kernel/qscreen.h b/src/gui/kernel/qscreen.h
index 14392d3036..88925ab731 100644
--- a/src/gui/kernel/qscreen.h
+++ b/src/gui/kernel/qscreen.h
@@ -125,6 +125,7 @@ public:
QRect availableGeometry() const;
QList<QScreen *> virtualSiblings() const;
+ QScreen *virtualSiblingAt(const QPoint &point);
QSize virtualSize() const;
QRect virtualGeometry() const;
diff --git a/src/gui/rhi/qrhivulkan.cpp b/src/gui/rhi/qrhivulkan.cpp
index 36a6557e04..d07777d63a 100644
--- a/src/gui/rhi/qrhivulkan.cpp
+++ b/src/gui/rhi/qrhivulkan.cpp
@@ -1705,6 +1705,10 @@ QRhi::FrameOpResult QRhiVulkan::endFrame(QRhiSwapChain *swapChain, QRhi::EndFram
presInfo.waitSemaphoreCount = 1;
presInfo.pWaitSemaphores = &frame.drawSem; // gfxQueueFamilyIdx == presQueueFamilyIdx ? &frame.drawSem : &frame.presTransSem;
+ // Do platform-specific WM notification. F.ex. essential on Wayland in
+ // order to circumvent driver frame callbacks
+ inst->presentAboutToBeQueued(swapChainD->window);
+
VkResult err = vkQueuePresentKHR(gfxQueue, &presInfo);
if (err != VK_SUCCESS) {
if (err == VK_ERROR_OUT_OF_DATE_KHR) {
diff --git a/src/gui/vulkan/qplatformvulkaninstance.cpp b/src/gui/vulkan/qplatformvulkaninstance.cpp
index 9d044bfd58..1b5d3370f0 100644
--- a/src/gui/vulkan/qplatformvulkaninstance.cpp
+++ b/src/gui/vulkan/qplatformvulkaninstance.cpp
@@ -80,6 +80,11 @@ QPlatformVulkanInstance::~QPlatformVulkanInstance()
{
}
+void QPlatformVulkanInstance::presentAboutToBeQueued(QWindow *window)
+{
+ Q_UNUSED(window);
+}
+
void QPlatformVulkanInstance::presentQueued(QWindow *window)
{
Q_UNUSED(window);
diff --git a/src/gui/vulkan/qplatformvulkaninstance.h b/src/gui/vulkan/qplatformvulkaninstance.h
index d47c59b5db..f96f1720fb 100644
--- a/src/gui/vulkan/qplatformvulkaninstance.h
+++ b/src/gui/vulkan/qplatformvulkaninstance.h
@@ -77,6 +77,7 @@ public:
virtual QByteArrayList enabledExtensions() const = 0;
virtual PFN_vkVoidFunction getInstanceProcAddr(const char *name) = 0;
virtual bool supportsPresent(VkPhysicalDevice physicalDevice, uint32_t queueFamilyIndex, QWindow *window) = 0;
+ virtual void presentAboutToBeQueued(QWindow *window);
virtual void presentQueued(QWindow *window);
virtual void setDebugFilters(const QVector<QVulkanInstance::DebugFilter> &filters);
diff --git a/src/gui/vulkan/qvulkaninstance.cpp b/src/gui/vulkan/qvulkaninstance.cpp
index 0605d88cca..daf37e3dc8 100644
--- a/src/gui/vulkan/qvulkaninstance.cpp
+++ b/src/gui/vulkan/qvulkaninstance.cpp
@@ -775,6 +775,20 @@ bool QVulkanInstance::supportsPresent(VkPhysicalDevice physicalDevice, uint32_t
}
/*!
+ This function should be called by the application's renderer before queuing
+ a present operation for \a window.
+
+ While on some platforms this will be a no-op, some may perform windowing
+ system dependent synchronization. For example, on Wayland this will
+ add send a wl_surface.frame request in order to prevent the driver from
+ blocking for minimized windows.
+ */
+void QVulkanInstance::presentAboutToBeQueued(QWindow *window)
+{
+ d_ptr->platformInst->presentAboutToBeQueued(window);
+}
+
+/*!
This function should be called by the application's renderer after queuing
a present operation for \a window.
diff --git a/src/gui/vulkan/qvulkaninstance.h b/src/gui/vulkan/qvulkaninstance.h
index 70f2fd5102..5b3db9a4c8 100644
--- a/src/gui/vulkan/qvulkaninstance.h
+++ b/src/gui/vulkan/qvulkaninstance.h
@@ -186,6 +186,7 @@ public:
bool supportsPresent(VkPhysicalDevice physicalDevice, uint32_t queueFamilyIndex, QWindow *window);
+ void presentAboutToBeQueued(QWindow *window);
void presentQueued(QWindow *window);
typedef bool (*DebugFilter)(VkDebugReportFlagsEXT flags, VkDebugReportObjectTypeEXT objectType, uint64_t object,
diff --git a/src/gui/vulkan/qvulkanwindow.cpp b/src/gui/vulkan/qvulkanwindow.cpp
index 4b5c2b56ee..790bef9e14 100644
--- a/src/gui/vulkan/qvulkanwindow.cpp
+++ b/src/gui/vulkan/qvulkanwindow.cpp
@@ -647,18 +647,40 @@ void QVulkanWindowPrivate::init()
#endif
qCDebug(lcGuiVk, "Using queue families: graphics = %u present = %u", gfxQueueFamilyIdx, presQueueFamilyIdx);
- VkDeviceQueueCreateInfo queueInfo[2];
+ QVector<VkDeviceQueueCreateInfo> queueInfo;
+ queueInfo.reserve(2);
const float prio[] = { 0 };
- memset(queueInfo, 0, sizeof(queueInfo));
- queueInfo[0].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
- queueInfo[0].queueFamilyIndex = gfxQueueFamilyIdx;
- queueInfo[0].queueCount = 1;
- queueInfo[0].pQueuePriorities = prio;
+ VkDeviceQueueCreateInfo addQueueInfo;
+ memset(&addQueueInfo, 0, sizeof(addQueueInfo));
+ addQueueInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
+ addQueueInfo.queueFamilyIndex = gfxQueueFamilyIdx;
+ addQueueInfo.queueCount = 1;
+ addQueueInfo.pQueuePriorities = prio;
+ queueInfo.append(addQueueInfo);
if (gfxQueueFamilyIdx != presQueueFamilyIdx) {
- queueInfo[1].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
- queueInfo[1].queueFamilyIndex = presQueueFamilyIdx;
- queueInfo[1].queueCount = 1;
- queueInfo[1].pQueuePriorities = prio;
+ addQueueInfo.queueFamilyIndex = presQueueFamilyIdx;
+ addQueueInfo.queueCount = 1;
+ addQueueInfo.pQueuePriorities = prio;
+ queueInfo.append(addQueueInfo);
+ }
+ if (queueCreateInfoModifier) {
+ queueCreateInfoModifier(queueFamilyProps.constData(), queueCount, queueInfo);
+ bool foundGfxQueue = false;
+ bool foundPresQueue = false;
+ for (const VkDeviceQueueCreateInfo& createInfo : qAsConst(queueInfo)) {
+ foundGfxQueue |= createInfo.queueFamilyIndex == gfxQueueFamilyIdx;
+ foundPresQueue |= createInfo.queueFamilyIndex == presQueueFamilyIdx;
+ }
+ if (!foundGfxQueue) {
+ qWarning("QVulkanWindow: Graphics queue missing after call to queueCreateInfoModifier");
+ status = StatusFail;
+ return;
+ }
+ if (!foundPresQueue) {
+ qWarning("QVulkanWindow: Present queue missing after call to queueCreateInfoModifier");
+ status = StatusFail;
+ return;
+ }
}
// Filter out unsupported extensions in order to keep symmetry
@@ -676,8 +698,8 @@ void QVulkanWindowPrivate::init()
VkDeviceCreateInfo devInfo;
memset(&devInfo, 0, sizeof(devInfo));
devInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
- devInfo.queueCreateInfoCount = gfxQueueFamilyIdx == presQueueFamilyIdx ? 1 : 2;
- devInfo.pQueueCreateInfos = queueInfo;
+ devInfo.queueCreateInfoCount = queueInfo.size();
+ devInfo.pQueueCreateInfos = queueInfo.constData();
devInfo.enabledExtensionCount = devExts.count();
devInfo.ppEnabledExtensionNames = devExts.constData();
@@ -1546,6 +1568,52 @@ bool QVulkanWindow::event(QEvent *e)
}
/*!
+ \typedef QVulkanWindow::QueueCreateInfoModifier
+
+ A function function that is called during graphics initialization to add
+ additAional queues that should be created.
+
+ Set if the renderer needs additional queues besides the default graphics
+ queue (e.g. a transfer queue).
+ The provided queue family properties can be used to select the indices for
+ the additional queues.
+ The renderer can subsequently request the actual queue in initResources().
+
+ Note when requesting additional graphics queues: Qt itself always requests
+ a graphics queue, you'll need to search queueCreateInfo for the appropriate
+ entry and manipulate it to obtain the additional queue.
+
+ \sa setQueueCreateInfoModifier()
+ */
+
+/*!
+ Return a previously set queue create info modification function.
+
+ \sa setQueueCreateInfoModifier()
+
+ \since 5.15
+ */
+QVulkanWindow::QueueCreateInfoModifier QVulkanWindow::queueCreateInfoModifier() const
+{
+ Q_D(const QVulkanWindow);
+ return d->queueCreateInfoModifier;
+}
+
+/*!
+ Set a queue create info modification function.
+
+ \sa queueCreateInfoModifier()
+
+ \since 5.15
+ */
+void QVulkanWindow::setQueueCreateInfoModifier(QueueCreateInfoModifier modifier)
+{
+ Q_D(QVulkanWindow);
+ d->queueCreateInfoModifier = modifier;
+}
+
+
+/*!
Returns true if this window has successfully initialized all Vulkan
resources, including the swapchain.
@@ -1950,6 +2018,10 @@ void QVulkanWindowPrivate::endFrame()
presInfo.waitSemaphoreCount = 1;
presInfo.pWaitSemaphores = gfxQueueFamilyIdx == presQueueFamilyIdx ? &frame.drawSem : &frame.presTransSem;
+ // Do platform-specific WM notification. F.ex. essential on Wayland in
+ // order to circumvent driver frame callbacks
+ inst->presentAboutToBeQueued(q);
+
err = vkQueuePresentKHR(gfxQueue, &presInfo);
if (err != VK_SUCCESS) {
if (err == VK_ERROR_OUT_OF_DATE_KHR) {
@@ -2211,6 +2283,23 @@ VkQueue QVulkanWindow::graphicsQueue() const
}
/*!
+ Returns the family index of the active graphics queue.
+
+ \note Calling this function is only valid from the invocation of
+ QVulkanWindowRenderer::initResources() up until
+ QVulkanWindowRenderer::releaseResources(). Implementations of
+ QVulkanWindowRenderer::updateQueueCreateInfo() can also call this
+ function.
+
+ \since 5.15
+ */
+uint32_t QVulkanWindow::graphicsQueueFamilyIndex() const
+{
+ Q_D(const QVulkanWindow);
+ return d->gfxQueueFamilyIdx;
+}
+
+/*!
Returns the active graphics command pool.
\note Calling this function is only valid from the invocation of
diff --git a/src/gui/vulkan/qvulkanwindow.h b/src/gui/vulkan/qvulkanwindow.h
index 927c81042f..530b6c0744 100644
--- a/src/gui/vulkan/qvulkanwindow.h
+++ b/src/gui/vulkan/qvulkanwindow.h
@@ -103,6 +103,12 @@ public:
QVector<int> supportedSampleCounts();
void setSampleCount(int sampleCount);
+ typedef std::function<void(const VkQueueFamilyProperties *,
+ uint32_t,
+ QVector<VkDeviceQueueCreateInfo> &)> QueueCreateInfoModifier;
+ QueueCreateInfoModifier queueCreateInfoModifier() const;
+ void setQueueCreateInfoModifier(QueueCreateInfoModifier modifier);
+
bool isValid() const;
virtual QVulkanWindowRenderer *createRenderer();
@@ -112,6 +118,7 @@ public:
const VkPhysicalDeviceProperties *physicalDeviceProperties() const;
VkDevice device() const;
VkQueue graphicsQueue() const;
+ uint32_t graphicsQueueFamilyIndex() const;
VkCommandPool graphicsCommandPool() const;
uint32_t hostVisibleMemoryIndex() const;
uint32_t deviceLocalMemoryIndex() const;
diff --git a/src/gui/vulkan/qvulkanwindow_p.h b/src/gui/vulkan/qvulkanwindow_p.h
index fb374a5564..777be237a8 100644
--- a/src/gui/vulkan/qvulkanwindow_p.h
+++ b/src/gui/vulkan/qvulkanwindow_p.h
@@ -102,6 +102,7 @@ public:
QHash<VkPhysicalDevice, QVulkanInfoVector<QVulkanExtension> > supportedDevExtensions;
QVector<VkFormat> requestedColorFormats;
VkSampleCountFlagBits sampleCount = VK_SAMPLE_COUNT_1_BIT;
+ QVulkanWindow::QueueCreateInfoModifier queueCreateInfoModifier;
VkDevice dev = VK_NULL_HANDLE;
QVulkanDeviceFunctions *devFuncs;