qt-everywhere-src-5.15.1/qtdeclarative/examples/quick/scenegraph/rendernode/d3d12renderer.h

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#ifndef D3D12RENDERER_H
#define D3D12RENDERER_H

#include <qsgrendernode.h>
#include <QQuickItem>

#if QT_CONFIG(d3d12)

#include <d3d12.h>
#include <wrl/client.h>

using namespace Microsoft::WRL;

class D3D12RenderNode : public QSGRenderNode
{
public:
    ~D3D12RenderNode();

    void render(const RenderState *state) override;
    void releaseResources() override;
    RenderingFlags flags() const override;
    QRectF rect() const override;

    void sync(QQuickItem *item);

private:
    void init();

    QQuickWindow *m_window = nullptr;
    int m_width = 0;
    int m_height = 0;

    ID3D12Device *m_device = nullptr;
    ComPtr<ID3D12PipelineState> pipelineState;
    ComPtr<ID3D12RootSignature> rootSignature;
    ComPtr<ID3D12Resource> vertexBuffer;
    ComPtr<ID3D12Resource> constantBuffer;
    D3D12_VERTEX_BUFFER_VIEW vertexBufferView;
    quint8 *vbPtr = nullptr;
    quint8 *cbPtr = nullptr;
};

#endif // d3d12

#endif