123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183 | // Copyright (C) 2016 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#include <QtCore/qt_windows.h>#include"qwindowsdirect2dcontext.h"#include"qwindowsdirect2dhelpers.h"#include"qwindowsdirect2dintegration.h"#include <QtCore/private/qcomptr_p.h>#include <d3d11_1.h>#include <d2d1_1.h>#include <d2d1_1helper.h>#include <dxgi1_2.h>#include <dwrite.h> QT_BEGIN_NAMESPACE class QWindowsDirect2DContextPrivate {public:boolinit(){ HRESULT hr; D3D_FEATURE_LEVEL level; D3D_DRIVER_TYPE typeAttempts[] = { D3D_DRIVER_TYPE_HARDWARE, D3D_DRIVER_TYPE_WARP };const int ntypes =int(sizeof(typeAttempts) /sizeof(typeAttempts[0]));for(int i =0; i < ntypes; i++) { hr =D3D11CreateDevice(nullptr, typeAttempts[i],nullptr, D3D11_CREATE_DEVICE_SINGLETHREADED | D3D11_CREATE_DEVICE_BGRA_SUPPORT,nullptr,0, D3D11_SDK_VERSION,&d3dDevice,&level,&d3dDeviceContext);if(SUCCEEDED(hr))break;}if(FAILED(hr)) {qWarning("%s: Could not create Direct3D Device: %#lx", __FUNCTION__, hr);return false;} ComPtr<IDXGIDevice1> dxgiDevice; ComPtr<IDXGIAdapter> dxgiAdapter; hr = d3dDevice.As(&dxgiDevice);if(FAILED(hr)) {qWarning("%s: DXGI Device interface query failed on D3D Device: %#lx", __FUNCTION__, hr);return false;}// Ensure that DXGI doesn't queue more than one frame at a time. dxgiDevice->SetMaximumFrameLatency(1); hr = dxgiDevice->GetAdapter(&dxgiAdapter);if(FAILED(hr)) {qWarning("%s: Failed to probe DXGI Device for parent DXGI Adapter: %#lx", __FUNCTION__, hr);return false;} hr = dxgiAdapter->GetParent(IID_PPV_ARGS(&dxgiFactory));if(FAILED(hr)) {qWarning("%s: Failed to probe DXGI Adapter for parent DXGI Factory: %#lx", __FUNCTION__, hr);return false;} D2D1_FACTORY_OPTIONS options = {};#ifdef QT_D2D_DEBUG_OUTPUTqDebug("Turning on Direct2D debugging messages"); options.debugLevel = D2D1_DEBUG_LEVEL_INFORMATION;#endif// QT_D2D_DEBUG_OUTPUT hr =D2D1CreateFactory(D2D1_FACTORY_TYPE_SINGLE_THREADED, options, d2dFactory.GetAddressOf());if(FAILED(hr)) {qWarning("%s: Could not create Direct2D Factory: %#lx", __FUNCTION__, hr);return false;} hr = d2dFactory->CreateDevice(dxgiDevice.Get(), &d2dDevice);if(FAILED(hr)) {qWarning("%s: Could not create D2D Device: %#lx", __FUNCTION__, hr);return false;} hr =DWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED,__uuidof(IDWriteFactory),static_cast<IUnknown **>(&directWriteFactory));if(FAILED(hr)) {qWarning("%s: Could not create DirectWrite factory: %#lx", __FUNCTION__, hr);return false;} hr = directWriteFactory->GetGdiInterop(&directWriteGdiInterop);if(FAILED(hr)) {qWarning("%s: Could not create DirectWrite GDI Interop: %#lx", __FUNCTION__, hr);return false;}return true;} ComPtr<ID3D11Device> d3dDevice; ComPtr<ID2D1Factory1> d2dFactory; ComPtr<ID2D1Device> d2dDevice; ComPtr<IDXGIFactory2> dxgiFactory; ComPtr<ID3D11DeviceContext> d3dDeviceContext; ComPtr<IDWriteFactory> directWriteFactory; ComPtr<IDWriteGdiInterop> directWriteGdiInterop;};QWindowsDirect2DContext::QWindowsDirect2DContext():d_ptr(new QWindowsDirect2DContextPrivate){}QWindowsDirect2DContext::~QWindowsDirect2DContext() =default;boolQWindowsDirect2DContext::init(){Q_D(QWindowsDirect2DContext);return d->init();} QWindowsDirect2DContext *QWindowsDirect2DContext::instance(){returnQWindowsDirect2DIntegration::instance()->direct2DContext();} ID3D11Device *QWindowsDirect2DContext::d3dDevice()const{Q_D(const QWindowsDirect2DContext);return d->d3dDevice.Get();} ID2D1Device *QWindowsDirect2DContext::d2dDevice()const{Q_D(const QWindowsDirect2DContext);return d->d2dDevice.Get();} ID2D1Factory1 *QWindowsDirect2DContext::d2dFactory()const{Q_D(const QWindowsDirect2DContext);return d->d2dFactory.Get();} IDXGIFactory2 *QWindowsDirect2DContext::dxgiFactory()const{Q_D(const QWindowsDirect2DContext);return d->dxgiFactory.Get();} ID3D11DeviceContext *QWindowsDirect2DContext::d3dDeviceContext()const{Q_D(const QWindowsDirect2DContext);return d->d3dDeviceContext.Get();} IDWriteFactory *QWindowsDirect2DContext::dwriteFactory()const{Q_D(const QWindowsDirect2DContext);return d->directWriteFactory.Get();} IDWriteGdiInterop *QWindowsDirect2DContext::dwriteGdiInterop()const{Q_D(const QWindowsDirect2DContext);return d->directWriteGdiInterop.Get();} QT_END_NAMESPACE
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