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+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtGui module 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QVULKANWINDOW_H
+#define QVULKANWINDOW_H
+
+#include <QtGui/qtguiglobal.h>
+
+#if 0
+#pragma qt_no_master_include
+#endif
+
+#if QT_CONFIG(vulkan) || defined(Q_CLANG_QDOC)
+
+#include <QtGui/qvulkaninstance.h>
+#include <QtGui/qwindow.h>
+#include <QtGui/qimage.h>
+#include <QtGui/qmatrix4x4.h>
+#include <QtCore/qset.h>
+
+QT_BEGIN_NAMESPACE
+
+class QVulkanWindowPrivate;
+
+class Q_GUI_EXPORT QVulkanWindowRenderer
+{
+public:
+ virtual ~QVulkanWindowRenderer();
+
+ virtual void preInitResources();
+ virtual void initResources();
+ virtual void initSwapChainResources();
+ virtual void releaseSwapChainResources();
+ virtual void releaseResources();
+
+ virtual void startNextFrame() = 0;
+
+ virtual void physicalDeviceLost();
+ virtual void logicalDeviceLost();
+};
+
+class Q_GUI_EXPORT QVulkanWindow : public QWindow
+{
+ Q_OBJECT
+ Q_DECLARE_PRIVATE(QVulkanWindow)
+
+public:
+ enum Flag {
+ PersistentResources = 0x01
+ };
+ Q_DECLARE_FLAGS(Flags, Flag)
+
+ explicit QVulkanWindow(QWindow *parent = nullptr);
+ ~QVulkanWindow();
+
+ void setFlags(Flags flags);
+ Flags flags() const;
+
+ QVector<VkPhysicalDeviceProperties> availablePhysicalDevices();
+ void setPhysicalDeviceIndex(int idx);
+
+ QVulkanInfoVector<QVulkanExtension> supportedDeviceExtensions();
+ void setDeviceExtensions(const QByteArrayList &extensions);
+
+ void setPreferredColorFormats(const QVector<VkFormat> &formats);
+
+ QVector<int> supportedSampleCounts();
+ void setSampleCount(int sampleCount);
+
+ bool isValid() const;
+
+ virtual QVulkanWindowRenderer *createRenderer();
+ void frameReady();
+
+ VkPhysicalDevice physicalDevice() const;
+ const VkPhysicalDeviceProperties *physicalDeviceProperties() const;
+ VkDevice device() const;
+ VkQueue graphicsQueue() const;
+ VkCommandPool graphicsCommandPool() const;
+ uint32_t hostVisibleMemoryIndex() const;
+ uint32_t deviceLocalMemoryIndex() const;
+ VkRenderPass defaultRenderPass() const;
+
+ VkFormat colorFormat() const;
+ VkFormat depthStencilFormat() const;
+ QSize swapChainImageSize() const;
+
+ VkCommandBuffer currentCommandBuffer() const;
+ VkFramebuffer currentFramebuffer() const;
+ int currentFrame() const;
+
+ static const int MAX_CONCURRENT_FRAME_COUNT = 3;
+ int concurrentFrameCount() const;
+
+ int swapChainImageCount() const;
+ int currentSwapChainImageIndex() const;
+ VkImage swapChainImage(int idx) const;
+ VkImageView swapChainImageView(int idx) const;
+ VkImage depthStencilImage() const;
+ VkImageView depthStencilImageView() const;
+
+ VkSampleCountFlagBits sampleCountFlagBits() const;
+ VkImage msaaColorImage(int idx) const;
+ VkImageView msaaColorImageView(int idx) const;
+
+ bool supportsGrab() const;
+ QImage grab();
+
+ QMatrix4x4 clipCorrectionMatrix();
+
+Q_SIGNALS:
+ void frameGrabbed(const QImage &image);
+
+protected:
+ void exposeEvent(QExposeEvent *) override;
+ void resizeEvent(QResizeEvent *) override;
+ bool event(QEvent *) override;
+
+private:
+ Q_DISABLE_COPY(QVulkanWindow)
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QVulkanWindow::Flags)
+
+QT_END_NAMESPACE
+
+#endif // QT_CONFIG(vulkan)
+
+#endif