78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
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#ifndef QSGRENDERNODE_H
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#define QSGRENDERNODE_H
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#include <QtQuick/qsgnode.h>
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QT_BEGIN_NAMESPACE
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class QSGRenderNodePrivate;
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class QRhiRenderTarget;
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class QRhiCommandBuffer;
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class Q_QUICK_EXPORT QSGRenderNode : public QSGNode
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{
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public:
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enum StateFlag {
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DepthState = 0x01,
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StencilState = 0x02,
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ScissorState = 0x04,
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ColorState = 0x08,
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BlendState = 0x10,
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CullState = 0x20,
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ViewportState = 0x40,
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RenderTargetState = 0x80
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};
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Q_DECLARE_FLAGS(StateFlags, StateFlag)
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enum RenderingFlag {
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BoundedRectRendering = 0x01,
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DepthAwareRendering = 0x02,
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OpaqueRendering = 0x04,
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NoExternalRendering = 0x08
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};
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Q_DECLARE_FLAGS(RenderingFlags, RenderingFlag)
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struct Q_QUICK_EXPORT RenderState {
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virtual ~RenderState();
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virtual const QMatrix4x4 *projectionMatrix() const = 0;
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virtual QRect scissorRect() const = 0;
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virtual bool scissorEnabled() const = 0;
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virtual int stencilValue() const = 0;
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virtual bool stencilEnabled() const = 0;
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virtual const QRegion *clipRegion() const = 0;
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virtual void *get(const char *state) const;
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};
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QSGRenderNode();
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~QSGRenderNode() override;
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virtual StateFlags changedStates() const;
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virtual void prepare();
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virtual void render(const RenderState *state) = 0;
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virtual void releaseResources();
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virtual RenderingFlags flags() const;
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virtual QRectF rect() const;
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const QMatrix4x4 *projectionMatrix() const;
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const QMatrix4x4 *projectionMatrix(qsizetype index) const;
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const QMatrix4x4 *matrix() const;
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const QSGClipNode *clipList() const;
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qreal inheritedOpacity() const;
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QRhiRenderTarget *renderTarget() const;
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QRhiCommandBuffer *commandBuffer() const;
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private:
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QSGRenderNodePrivate *d;
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friend class QSGRenderNodePrivate;
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS(QSGRenderNode::StateFlags)
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Q_DECLARE_OPERATORS_FOR_FLAGS(QSGRenderNode::RenderingFlags)
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QT_END_NAMESPACE
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#endif
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