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| |
| #ifndef QQUICKSHAPEGENERICRENDERER_P_H |
| #define QQUICKSHAPEGENERICRENDERER_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists for the convenience |
| // of a number of Qt sources files. This header file may change from |
| // version to version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtQuickShapes/private/qquickshapesglobal_p.h> |
| #include <QtQuickShapes/private/qquickshape_p_p.h> |
| #include <qsgnode.h> |
| #include <qsggeometry.h> |
| #include <qsgmaterial.h> |
| #include <qsgrendererinterface.h> |
| #include <QtCore/qrunnable.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QQuickShapeGenericNode; |
| class QQuickShapeGenericStrokeFillNode; |
| class QQuickShapeFillRunnable; |
| class QQuickShapeStrokeRunnable; |
| |
| class QQuickShapeGenericRenderer : public QQuickAbstractPathRenderer |
| { |
| public: |
| enum Dirty { |
| DirtyFillGeom = 0x01, |
| DirtyStrokeGeom = 0x02, |
| DirtyColor = 0x04, |
| DirtyFillGradient = 0x08, |
| DirtyList = 0x10 // only for accDirty |
| }; |
| |
| QQuickShapeGenericRenderer(QQuickItem *item) |
| : m_item(item), |
| m_api(QSGRendererInterface::Unknown), |
| m_rootNode(nullptr), |
| m_accDirty(0), |
| m_asyncCallback(nullptr), |
| m_asyncCallbackData(nullptr) |
| { } |
| ~QQuickShapeGenericRenderer(); |
| |
| void beginSync(int totalCount) override; |
| void setPath(int index, const QQuickPath *path) override; |
| void setStrokeColor(int index, const QColor &color) override; |
| void setStrokeWidth(int index, qreal w) override; |
| void setFillColor(int index, const QColor &color) override; |
| void setFillRule(int index, QQuickShapePath::FillRule fillRule) override; |
| void setJoinStyle(int index, QQuickShapePath::JoinStyle joinStyle, int miterLimit) override; |
| void setCapStyle(int index, QQuickShapePath::CapStyle capStyle) override; |
| void setStrokeStyle(int index, QQuickShapePath::StrokeStyle strokeStyle, |
| qreal dashOffset, const QVector<qreal> &dashPattern) override; |
| void setFillGradient(int index, QQuickShapeGradient *gradient) override; |
| void endSync(bool async) override; |
| void setAsyncCallback(void (*)(void *), void *) override; |
| Flags flags() const override { return SupportsAsync; } |
| |
| void updateNode() override; |
| |
| void setRootNode(QQuickShapeGenericNode *node); |
| |
| struct Color4ub { unsigned char r, g, b, a; }; |
| typedef QVector<QSGGeometry::ColoredPoint2D> VertexContainerType; |
| typedef QVector<quint32> IndexContainerType; |
| |
| static void triangulateFill(const QPainterPath &path, |
| const Color4ub &fillColor, |
| VertexContainerType *fillVertices, |
| IndexContainerType *fillIndices, |
| QSGGeometry::Type *indexType, |
| bool supportsElementIndexUint); |
| static void triangulateStroke(const QPainterPath &path, |
| const QPen &pen, |
| const Color4ub &strokeColor, |
| VertexContainerType *strokeVertices, |
| const QSize &clipSize); |
| |
| private: |
| void maybeUpdateAsyncItem(); |
| |
| struct ShapePathData { |
| float strokeWidth; |
| QPen pen; |
| Color4ub strokeColor; |
| Color4ub fillColor; |
| Qt::FillRule fillRule; |
| QPainterPath path; |
| FillGradientType fillGradientActive; |
| GradientDesc fillGradient; |
| VertexContainerType fillVertices; |
| IndexContainerType fillIndices; |
| QSGGeometry::Type indexType; |
| VertexContainerType strokeVertices; |
| int syncDirty; |
| int effectiveDirty = 0; |
| QQuickShapeFillRunnable *pendingFill = nullptr; |
| QQuickShapeStrokeRunnable *pendingStroke = nullptr; |
| }; |
| |
| void updateShadowDataInNode(ShapePathData *d, QQuickShapeGenericStrokeFillNode *n); |
| void updateFillNode(ShapePathData *d, QQuickShapeGenericNode *node); |
| void updateStrokeNode(ShapePathData *d, QQuickShapeGenericNode *node); |
| |
| QQuickItem *m_item; |
| QSGRendererInterface::GraphicsApi m_api; |
| QQuickShapeGenericNode *m_rootNode; |
| QVector<ShapePathData> m_sp; |
| int m_accDirty; |
| void (*m_asyncCallback)(void *); |
| void *m_asyncCallbackData; |
| }; |
| |
| class QQuickShapeFillRunnable : public QObject, public QRunnable |
| { |
| Q_OBJECT |
| |
| public: |
| void run() override; |
| |
| bool orphaned = false; |
| |
| // input |
| QPainterPath path; |
| QQuickShapeGenericRenderer::Color4ub fillColor; |
| bool supportsElementIndexUint; |
| |
| // output |
| QQuickShapeGenericRenderer::VertexContainerType fillVertices; |
| QQuickShapeGenericRenderer::IndexContainerType fillIndices; |
| QSGGeometry::Type indexType; |
| |
| Q_SIGNALS: |
| void done(QQuickShapeFillRunnable *self); |
| }; |
| |
| class QQuickShapeStrokeRunnable : public QObject, public QRunnable |
| { |
| Q_OBJECT |
| |
| public: |
| void run() override; |
| |
| bool orphaned = false; |
| |
| // input |
| QPainterPath path; |
| QPen pen; |
| QQuickShapeGenericRenderer::Color4ub strokeColor; |
| QSize clipSize; |
| |
| // output |
| QQuickShapeGenericRenderer::VertexContainerType strokeVertices; |
| |
| Q_SIGNALS: |
| void done(QQuickShapeStrokeRunnable *self); |
| }; |
| |
| class QQuickShapeGenericStrokeFillNode : public QSGGeometryNode |
| { |
| public: |
| QQuickShapeGenericStrokeFillNode(QQuickWindow *window); |
| |
| enum Material { |
| MatSolidColor, |
| MatLinearGradient, |
| MatRadialGradient, |
| MatConicalGradient |
| }; |
| |
| void activateMaterial(QQuickWindow *window, Material m); |
| |
| // shadow data for custom materials |
| QQuickAbstractPathRenderer::GradientDesc m_fillGradient; |
| |
| private: |
| QScopedPointer<QSGMaterial> m_material; |
| |
| friend class QQuickShapeGenericRenderer; |
| }; |
| |
| class QQuickShapeGenericNode : public QSGNode |
| { |
| public: |
| QQuickShapeGenericStrokeFillNode *m_fillNode = nullptr; |
| QQuickShapeGenericStrokeFillNode *m_strokeNode = nullptr; |
| QQuickShapeGenericNode *m_next = nullptr; |
| }; |
| |
| class QQuickShapeGenericMaterialFactory |
| { |
| public: |
| static QSGMaterial *createVertexColor(QQuickWindow *window); |
| static QSGMaterial *createLinearGradient(QQuickWindow *window, QQuickShapeGenericStrokeFillNode *node); |
| static QSGMaterial *createRadialGradient(QQuickWindow *window, QQuickShapeGenericStrokeFillNode *node); |
| static QSGMaterial *createConicalGradient(QQuickWindow *window, QQuickShapeGenericStrokeFillNode *node); |
| }; |
| |
| #if QT_CONFIG(opengl) |
| |
| class QQuickShapeLinearGradientShader : public QSGMaterialShader |
| { |
| public: |
| QQuickShapeLinearGradientShader(); |
| |
| void initialize() override; |
| void updateState(const RenderState &state, QSGMaterial *newEffect, QSGMaterial *oldEffect) override; |
| char const *const *attributeNames() const override; |
| |
| private: |
| int m_opacityLoc = -1; |
| int m_matrixLoc = -1; |
| int m_gradStartLoc = -1; |
| int m_gradEndLoc = -1; |
| }; |
| |
| #endif // QT_CONFIG(opengl) |
| |
| class QQuickShapeLinearGradientRhiShader : public QSGMaterialRhiShader |
| { |
| public: |
| QQuickShapeLinearGradientRhiShader(); |
| |
| bool updateUniformData(RenderState &state, QSGMaterial *newMaterial, |
| QSGMaterial *oldMaterial) override; |
| void updateSampledImage(RenderState &state, int binding, QSGTexture **texture, |
| QSGMaterial *newMaterial, QSGMaterial *oldMaterial) override; |
| |
| private: |
| QVector2D m_gradA; |
| QVector2D m_gradB; |
| }; |
| |
| class QQuickShapeLinearGradientMaterial : public QSGMaterial |
| { |
| public: |
| QQuickShapeLinearGradientMaterial(QQuickShapeGenericStrokeFillNode *node) |
| : m_node(node) |
| { |
| // Passing RequiresFullMatrix is essential in order to prevent the |
| // batch renderer from baking in simple, translate-only transforms into |
| // the vertex data. The shader will rely on the fact that |
| // vertexCoord.xy is the Shape-space coordinate and so no modifications |
| // are welcome. |
| setFlag(Blending | RequiresFullMatrix | SupportsRhiShader); |
| } |
| |
| QSGMaterialType *type() const override; |
| int compare(const QSGMaterial *other) const override; |
| QSGMaterialShader *createShader() const override; |
| |
| QQuickShapeGenericStrokeFillNode *node() const { return m_node; } |
| |
| private: |
| QQuickShapeGenericStrokeFillNode *m_node; |
| }; |
| |
| #if QT_CONFIG(opengl) |
| |
| class QQuickShapeRadialGradientShader : public QSGMaterialShader |
| { |
| public: |
| QQuickShapeRadialGradientShader(); |
| |
| void initialize() override; |
| void updateState(const RenderState &state, QSGMaterial *newEffect, QSGMaterial *oldEffect) override; |
| char const *const *attributeNames() const override; |
| |
| private: |
| int m_opacityLoc = -1; |
| int m_matrixLoc = -1; |
| int m_translationPointLoc = -1; |
| int m_focalToCenterLoc = -1; |
| int m_centerRadiusLoc = -1; |
| int m_focalRadiusLoc = -1; |
| }; |
| |
| #endif // QT_CONFIG(opengl) |
| |
| class QQuickShapeRadialGradientRhiShader : public QSGMaterialRhiShader |
| { |
| public: |
| QQuickShapeRadialGradientRhiShader(); |
| |
| bool updateUniformData(RenderState &state, QSGMaterial *newMaterial, |
| QSGMaterial *oldMaterial) override; |
| void updateSampledImage(RenderState &state, int binding, QSGTexture **texture, |
| QSGMaterial *newMaterial, QSGMaterial *oldMaterial) override; |
| |
| private: |
| QVector2D m_focalPoint; |
| QVector2D m_focalToCenter; |
| float m_centerRadius; |
| float m_focalRadius; |
| }; |
| |
| class QQuickShapeRadialGradientMaterial : public QSGMaterial |
| { |
| public: |
| QQuickShapeRadialGradientMaterial(QQuickShapeGenericStrokeFillNode *node) |
| : m_node(node) |
| { |
| setFlag(Blending | RequiresFullMatrix | SupportsRhiShader); |
| } |
| |
| QSGMaterialType *type() const override; |
| int compare(const QSGMaterial *other) const override; |
| QSGMaterialShader *createShader() const override; |
| |
| QQuickShapeGenericStrokeFillNode *node() const { return m_node; } |
| |
| private: |
| QQuickShapeGenericStrokeFillNode *m_node; |
| }; |
| |
| #if QT_CONFIG(opengl) |
| |
| class QQuickShapeConicalGradientShader : public QSGMaterialShader |
| { |
| public: |
| QQuickShapeConicalGradientShader(); |
| |
| void initialize() override; |
| void updateState(const RenderState &state, QSGMaterial *newEffect, QSGMaterial *oldEffect) override; |
| char const *const *attributeNames() const override; |
| |
| private: |
| int m_opacityLoc = -1; |
| int m_matrixLoc = -1; |
| int m_angleLoc = -1; |
| int m_translationPointLoc = -1; |
| }; |
| |
| #endif // QT_CONFIG(opengl) |
| |
| class QQuickShapeConicalGradientRhiShader : public QSGMaterialRhiShader |
| { |
| public: |
| QQuickShapeConicalGradientRhiShader(); |
| |
| bool updateUniformData(RenderState &state, QSGMaterial *newMaterial, |
| QSGMaterial *oldMaterial) override; |
| void updateSampledImage(RenderState &state, int binding, QSGTexture **texture, |
| QSGMaterial *newMaterial, QSGMaterial *oldMaterial) override; |
| |
| private: |
| QVector2D m_centerPoint; |
| float m_angle; |
| }; |
| |
| class QQuickShapeConicalGradientMaterial : public QSGMaterial |
| { |
| public: |
| QQuickShapeConicalGradientMaterial(QQuickShapeGenericStrokeFillNode *node) |
| : m_node(node) |
| { |
| setFlag(Blending | RequiresFullMatrix | SupportsRhiShader); |
| } |
| |
| QSGMaterialType *type() const override; |
| int compare(const QSGMaterial *other) const override; |
| QSGMaterialShader *createShader() const override; |
| |
| QQuickShapeGenericStrokeFillNode *node() const { return m_node; } |
| |
| private: |
| QQuickShapeGenericStrokeFillNode *m_node; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QQUICKSHAPEGENERICRENDERER_P_H |