| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // 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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| 3 | |
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| 4 | #ifndef QSGRENDERNODE_H |
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| 5 | #define QSGRENDERNODE_H |
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| 6 | |
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| 7 | #include <QtQuick/qsgnode.h> |
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| 8 | |
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| 9 | QT_BEGIN_NAMESPACE |
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| 10 | |
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| 11 | class QSGRenderNodePrivate; |
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| 12 | class QRhiRenderTarget; |
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| 13 | class QRhiCommandBuffer; |
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| 14 | |
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| 15 | class Q_QUICK_EXPORT QSGRenderNode : public QSGNode |
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| 16 | { |
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| 17 | public: |
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| 18 | enum StateFlag { |
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| 19 | DepthState = 0x01, |
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| 20 | StencilState = 0x02, |
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| 21 | ScissorState = 0x04, |
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| 22 | ColorState = 0x08, |
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| 23 | BlendState = 0x10, |
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| 24 | CullState = 0x20, |
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| 25 | ViewportState = 0x40, |
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| 26 | RenderTargetState = 0x80 |
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| 27 | }; |
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| 28 | Q_DECLARE_FLAGS(StateFlags, StateFlag) |
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| 29 | |
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| 30 | enum RenderingFlag { |
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| 31 | BoundedRectRendering = 0x01, |
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| 32 | DepthAwareRendering = 0x02, |
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| 33 | OpaqueRendering = 0x04, |
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| 34 | NoExternalRendering = 0x08 |
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| 35 | }; |
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| 36 | Q_DECLARE_FLAGS(RenderingFlags, RenderingFlag) |
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| 37 | |
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| 38 | struct Q_QUICK_EXPORT RenderState { |
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| 39 | virtual ~RenderState(); |
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| 40 | virtual const QMatrix4x4 *projectionMatrix() const = 0; |
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| 41 | virtual QRect scissorRect() const = 0; |
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| 42 | virtual bool scissorEnabled() const = 0; |
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| 43 | virtual int stencilValue() const = 0; |
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| 44 | virtual bool stencilEnabled() const = 0; |
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| 45 | virtual const QRegion *clipRegion() const = 0; |
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| 46 | virtual void *get(const char *state) const; |
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| 47 | }; |
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| 48 | |
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| 49 | QSGRenderNode(); |
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| 50 | ~QSGRenderNode() override; |
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| 51 | |
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| 52 | virtual StateFlags changedStates() const; |
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| 53 | virtual void prepare(); |
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| 54 | virtual void render(const RenderState *state) = 0; |
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| 55 | virtual void releaseResources(); |
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| 56 | virtual RenderingFlags flags() const; |
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| 57 | virtual QRectF rect() const; |
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| 58 | |
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| 59 | const QMatrix4x4 *projectionMatrix() const; |
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| 60 | const QMatrix4x4 *projectionMatrix(qsizetype index) const; |
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| 61 | const QMatrix4x4 *matrix() const; |
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| 62 | const QSGClipNode *clipList() const; |
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| 63 | qreal inheritedOpacity() const; |
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| 64 | QRhiRenderTarget *renderTarget() const; |
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| 65 | QRhiCommandBuffer *commandBuffer() const; |
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| 66 | |
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| 67 | private: |
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| 68 | QSGRenderNodePrivate *d; |
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| 69 | friend class QSGRenderNodePrivate; |
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| 70 | }; |
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| 71 | |
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| 72 | Q_DECLARE_OPERATORS_FOR_FLAGS(QSGRenderNode::StateFlags) |
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| 73 | Q_DECLARE_OPERATORS_FOR_FLAGS(QSGRenderNode::RenderingFlags) |
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| 74 | |
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| 75 | QT_END_NAMESPACE |
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| 76 | |
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| 77 | #endif |
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| 78 | |
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