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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef ENGINE_H
#define ENGINE_H
#include <QWindow>
#include <QtCore/qt_windows.h> // suppress windows.h include coming from d3d11_1.h
#include <d3d11_1.h>
#include <dxgi1_3.h>
#define RELEASE(obj) { if (obj) { obj->Release(); obj = nullptr; } }
QString comErrorMessage(HRESULT hr);
struct Swapchain
{
IDXGISwapChain1 *swapchain;
ID3D11Texture2D *tex;
ID3D11RenderTargetView *rtv;
ID3D11Texture2D *ds;
ID3D11DepthStencilView *dsv;
QSize pixelSize;
void destroy();
};
class Engine
{
public:
~Engine();
bool create();
QSize swapchainSizeForWindow(QWindow *window) const;
Swapchain createSwapchain(QWindow *window);
void resizeSwapchain(Swapchain *sc, QWindow *window);
ID3D11Device *device() { return m_device; }
ID3D11DeviceContext *context() { return m_context; }
private:
void createSwapchainBuffers(Swapchain *sc);
IDXGIFactory1 *m_dxgiFactory = nullptr;
ID3D11Device *m_device = nullptr;
ID3D11DeviceContext *m_context = nullptr;
D3D_FEATURE_LEVEL m_featureLevel;
};
#endif
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