diff options
Diffstat (limited to 'src/quick/items/qquickpathitemnvprrenderer_p.h')
| -rw-r--r-- | src/quick/items/qquickpathitemnvprrenderer_p.h | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/quick/items/qquickpathitemnvprrenderer_p.h b/src/quick/items/qquickpathitemnvprrenderer_p.h new file mode 100644 index 0000000000..0075572324 --- /dev/null +++ b/src/quick/items/qquickpathitemnvprrenderer_p.h @@ -0,0 +1,194 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtQuick module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QQUICKPATHITEMNVPRRENDERER_P_H +#define QQUICKPATHITEMNVPRRENDERER_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 "qquickpathitem_p_p.h" +#include <qsgrendernode.h> +#include <private/qquicknvprfunctions_p.h> +#include <QColor> +#include <QVector4D> +#include <QDebug> + +#ifndef QT_NO_OPENGL + +QT_BEGIN_NAMESPACE + +class QQuickPathItemNvprRenderNode; + +class QQuickPathItemNvprRenderer : public QQuickAbstractPathRenderer +{ +public: + enum Dirty { + DirtyPath = 0x01, + DirtyStyle = 0x02, + DirtyFillRule = 0x04, + DirtyDash = 0x08, + DirtyFillGradient = 0x10, + + DirtyAll = 0xFF + }; + + void beginSync() override; + void setPath(const QQuickPath *path) override; + void setStrokeColor(const QColor &color) override; + void setStrokeWidth(qreal w) override; + void setFillColor(const QColor &color) override; + void setFillRule(QQuickPathItem::FillRule fillRule) override; + void setJoinStyle(QQuickPathItem::JoinStyle joinStyle, int miterLimit) override; + void setCapStyle(QQuickPathItem::CapStyle capStyle) override; + void setStrokeStyle(QQuickPathItem::StrokeStyle strokeStyle, + qreal dashOffset, const QVector<qreal> &dashPattern) override; + void setFillGradient(QQuickPathGradient *gradient) override; + void endSync() override; + void updatePathRenderNode() override; + + void setNode(QQuickPathItemNvprRenderNode *node); + + struct NvprPath { + QVector<GLubyte> cmd; + QVector<GLfloat> coord; + }; + +private: + void convertPath(const QQuickPath *path); + + QQuickPathItemNvprRenderNode *m_node = nullptr; + int m_dirty = 0; + + NvprPath m_path; + qreal m_strokeWidth; + QColor m_strokeColor; + QColor m_fillColor; + QQuickPathItem::JoinStyle m_joinStyle; + int m_miterLimit; + QQuickPathItem::CapStyle m_capStyle; + QQuickPathItem::FillRule m_fillRule; + bool m_dashActive; + qreal m_dashOffset; + QVector<qreal> m_dashPattern; + bool m_fillGradientActive; + QQuickPathItemGradientCache::GradientDesc m_fillGradient; +}; + +QDebug operator<<(QDebug debug, const QQuickPathItemNvprRenderer::NvprPath &path); + +class QQuickNvprMaterialManager +{ +public: + enum Material { + MatSolid, + MatLinearGradient, + + NMaterials + }; + + struct MaterialDesc { + GLuint ppl = 0; + GLuint prg = 0; + int uniLoc[4]; + }; + + void create(QQuickNvprFunctions *nvpr); + MaterialDesc *activateMaterial(Material m); + void releaseResources(); + +private: + QQuickNvprFunctions *m_nvpr; + MaterialDesc m_materials[NMaterials]; +}; + +class QQuickPathItemNvprRenderNode : public QSGRenderNode +{ +public: + QQuickPathItemNvprRenderNode(QQuickPathItem *item); + ~QQuickPathItemNvprRenderNode(); + + void render(const RenderState *state) override; + void releaseResources() override; + StateFlags changedStates() const override; + RenderingFlags flags() const override; + QRectF rect() const override; + + static bool isSupported(); + +private: + void updatePath(); + + static bool nvprInited; + static QQuickNvprFunctions nvpr; + static QQuickNvprMaterialManager mtlmgr; + + QQuickPathItem *m_item; + GLuint m_path = 0; + int m_dirty = 0; + + QQuickPathItemNvprRenderer::NvprPath m_source; + GLfloat m_strokeWidth; + QVector4D m_strokeColor; + QVector4D m_fillColor; + GLenum m_joinStyle; + GLint m_miterLimit; + GLenum m_capStyle; + GLenum m_fillRule; + GLfloat m_dashOffset; + QVector<GLfloat> m_dashPattern; + bool m_fillGradientActive; + QQuickPathItemGradientCache::GradientDesc m_fillGradient; + + friend class QQuickPathItemNvprRenderer; +}; + +QT_END_NAMESPACE + +#endif // QT_NO_OPENGL + +#endif // QQUICKPATHITEMNVPRRENDERER_P_H |