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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the QtD3D12Window module
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** 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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://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.LGPLv3 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.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 later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QD3D12WINDOW_H
+#define QD3D12WINDOW_H
+
+#include <QAtomicInt>
+#include <QPaintDeviceWindow>
+#include <QImage>
+#include <QtD3D12Window/qd3d12windowglobal.h>
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <d3d12.h>
+#include <dxgi1_4.h>
+#include <wrl/client.h>
+
+using namespace Microsoft::WRL;
+
+QT_BEGIN_NAMESPACE
+
+class QD3D12WindowPrivate;
+
+class QD3D12_EXPORT QD3D12Window : public QPaintDeviceWindow
+{
+ Q_OBJECT
+ Q_DECLARE_PRIVATE(QD3D12Window)
+
+public:
+ struct QD3D12_EXPORT Fence {
+ Fence() : event(Q_NULLPTR) { }
+ ~Fence();
+ ComPtr<ID3D12Fence> fence;
+ HANDLE event;
+ QAtomicInt value;
+ private:
+ Q_DISABLE_COPY(Fence)
+ };
+
+ QD3D12Window(QWindow *parent = Q_NULLPTR);
+
+ void setExtraRenderTargetCount(int count);
+
+ virtual void initializeD3D();
+ virtual void releaseD3D();
+ virtual void resizeD3D(const QSize &size);
+ virtual void paintD3D();
+ virtual void afterPresent();
+
+ ID3D12Device *device() const;
+ ID3D12CommandQueue *commandQueue() const;
+ ID3D12CommandAllocator *commandAllocator() const;
+ ID3D12CommandAllocator *bundleAllocator() const;
+
+ Fence *createFence() const;
+ void waitForGPU(Fence *f) const;
+
+ void transitionResource(ID3D12Resource *resource, ID3D12GraphicsCommandList *commandList,
+ D3D12_RESOURCE_STATES before, D3D12_RESOURCE_STATES after) const;
+ void uavBarrier(ID3D12Resource *resource, ID3D12GraphicsCommandList *commandList) const;
+
+ ID3D12Resource *backBufferRenderTarget() const;
+ D3D12_CPU_DESCRIPTOR_HANDLE backBufferRenderTargetCPUHandle() const;
+
+ D3D12_CPU_DESCRIPTOR_HANDLE depthStencilCPUHandle() const;
+
+ D3D12_CPU_DESCRIPTOR_HANDLE extraRenderTargetCPUHandle(int idx) const;
+ D3D12_CPU_DESCRIPTOR_HANDLE extraDepthStencilCPUHandle(int idx) const;
+
+ ID3D12Resource *createExtraRenderTargetAndView(D3D12_CPU_DESCRIPTOR_HANDLE viewHandle,
+ const QSize &size,
+ const float *clearColor = Q_NULLPTR,
+ int samples = 0);
+ ID3D12Resource *createExtraDepthStencilAndView(D3D12_CPU_DESCRIPTOR_HANDLE viewHandle,
+ const QSize &size,
+ int samples = 0);
+
+ quint32 alignedCBSize(quint32 size) const;
+ quint32 alignedTexturePitch(quint32 rowPitch) const;
+ quint32 alignedTextureOffset(quint32 offset) const;
+
+ QImage readbackRGBA8888(ID3D12Resource *rt, D3D12_RESOURCE_STATES rtState, ID3D12GraphicsCommandList *commandList);
+
+protected:
+ void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
+ void resizeEvent(QResizeEvent *) Q_DECL_OVERRIDE;
+
+private:
+ Q_DISABLE_COPY(QD3D12Window)
+};
+
+QT_END_NAMESPACE
+
+#endif