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| |
| #ifndef QQUICKSHAPENVPRRENDERER_P_H |
| #define QQUICKSHAPENVPRRENDERER_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 <QtQuickShapes/private/qquicknvprfunctions_p.h> |
| #include <qsgrendernode.h> |
| #include <QColor> |
| #include <QVector4D> |
| #include <QDebug> |
| |
| #if QT_CONFIG(opengl) |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QQuickShapeNvprRenderNode; |
| class QOpenGLFramebufferObject; |
| class QOpenGLBuffer; |
| class QOpenGLExtraFunctions; |
| |
| class QQuickShapeNvprRenderer : public QQuickAbstractPathRenderer |
| { |
| public: |
| enum Dirty { |
| DirtyPath = 0x01, |
| DirtyStyle = 0x02, |
| DirtyFillRule = 0x04, |
| DirtyDash = 0x08, |
| DirtyFillGradient = 0x10, |
| DirtyList = 0x20 |
| }; |
| |
| 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 updateNode() override; |
| |
| void setNode(QQuickShapeNvprRenderNode *node); |
| |
| struct NvprPath { |
| QVector<GLubyte> cmd; |
| QVector<GLfloat> coord; |
| QByteArray str; |
| }; |
| |
| private: |
| struct ShapePathGuiData { |
| int dirty = 0; |
| NvprPath path; |
| qreal strokeWidth; |
| QColor strokeColor; |
| QColor fillColor; |
| QQuickShapePath::JoinStyle joinStyle; |
| int miterLimit; |
| QQuickShapePath::CapStyle capStyle; |
| QQuickShapePath::FillRule fillRule; |
| bool dashActive; |
| qreal dashOffset; |
| QVector<qreal> dashPattern; |
| FillGradientType fillGradientActive; |
| GradientDesc fillGradient; |
| }; |
| |
| void convertPath(const QQuickPath *path, ShapePathGuiData *d); |
| |
| QQuickShapeNvprRenderNode *m_node = nullptr; |
| int m_accDirty = 0; |
| |
| QVector<ShapePathGuiData> m_sp; |
| }; |
| |
| QDebug operator<<(QDebug debug, const QQuickShapeNvprRenderer::NvprPath &path); |
| |
| class QQuickNvprMaterialManager |
| { |
| public: |
| enum Material { |
| MatSolid, |
| MatLinearGradient, |
| MatRadialGradient, |
| MatConicalGradient, |
| |
| NMaterials |
| }; |
| |
| struct MaterialDesc { |
| GLuint ppl = 0; |
| GLuint prg = 0; |
| int uniLoc[8]; |
| }; |
| |
| void create(QQuickNvprFunctions *nvpr); |
| MaterialDesc *activateMaterial(Material m); |
| void releaseResources(); |
| |
| private: |
| QQuickNvprFunctions *m_nvpr = nullptr; |
| MaterialDesc m_materials[NMaterials]; |
| }; |
| |
| class QQuickNvprBlitter |
| { |
| public: |
| bool create(); |
| void destroy(); |
| bool isCreated() const { return m_program != nullptr; } |
| void texturedQuad(GLuint textureId, const QSize &size, |
| const QMatrix4x4 &proj, const QMatrix4x4 &modelview, |
| float opacity); |
| |
| private: |
| QOpenGLShaderProgram *m_program = nullptr; |
| QOpenGLBuffer *m_buffer = nullptr; |
| int m_matrixLoc = -1; |
| int m_opacityLoc = -1; |
| QSize m_prevSize; |
| }; |
| |
| class QQuickShapeNvprRenderNode : public QSGRenderNode |
| { |
| public: |
| ~QQuickShapeNvprRenderNode(); |
| |
| void render(const RenderState *state) override; |
| void releaseResources() override; |
| StateFlags changedStates() const override; |
| RenderingFlags flags() const override; |
| |
| static bool isSupported(); |
| |
| private: |
| struct ShapePathRenderData { |
| GLuint path = 0; |
| int dirty = 0; |
| QQuickShapeNvprRenderer::NvprPath source; |
| GLfloat strokeWidth; |
| QVector4D strokeColor; |
| QVector4D fillColor; |
| GLenum joinStyle; |
| GLint miterLimit; |
| GLenum capStyle; |
| GLenum fillRule; |
| GLfloat dashOffset; |
| QVector<GLfloat> dashPattern; |
| QQuickAbstractPathRenderer::FillGradientType fillGradientActive; |
| QQuickAbstractPathRenderer::GradientDesc fillGradient; |
| QOpenGLFramebufferObject *fallbackFbo = nullptr; |
| bool fallbackValid = false; |
| QSize fallbackSize; |
| QPointF fallbackTopLeft; |
| |
| bool hasFill() const { return !qFuzzyIsNull(fillColor.w()) || fillGradientActive; } |
| bool hasStroke() const { return strokeWidth >= 0.0f && !qFuzzyIsNull(strokeColor.w()); } |
| }; |
| |
| void updatePath(ShapePathRenderData *d); |
| void renderStroke(ShapePathRenderData *d, int strokeStencilValue, int writeMask); |
| void renderFill(ShapePathRenderData *d); |
| void renderOffscreenFill(ShapePathRenderData *d); |
| void setupStencilForCover(bool stencilClip, int sv); |
| |
| static bool nvprInited; |
| static QQuickNvprFunctions nvpr; |
| static QQuickNvprMaterialManager mtlmgr; |
| |
| QQuickNvprBlitter m_fallbackBlitter; |
| QOpenGLExtraFunctions *f = nullptr; |
| |
| QVector<ShapePathRenderData> m_sp; |
| |
| friend class QQuickShapeNvprRenderer; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QT_CONFIG(opengl) |
| |
| #endif // QQUICKSHAPENVPRRENDERER_P_H |