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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QSGCURVESTROKENODE_P_P_H
#define QSGCURVESTROKENODE_P_P_H
#include <QtQuick/qtquickexports.h>
#include <QtQuick/qsgmaterial.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.
//
QT_BEGIN_NAMESPACE
using namespace Qt::StringLiterals;
class QSGCurveStrokeNode;
class QSGCurveStrokeMaterial;
class Q_QUICK_EXPORT QSGCurveStrokeMaterialShader : public QSGMaterialShader
{
public:
enum class Variant { // flags
Default = 0,
Expanding = 0x01,
Derivatives = 0x02
};
QSGCurveStrokeMaterialShader(int variant, int viewCount)
{
static constexpr auto baseName = u":/qt-project.org/scenegraph/shaders_ng/shapestroke"_sv;
setShaderFileName(VertexStage, baseName +
(variant & int(Variant::Expanding) ? u"_expanding"_sv : u""_sv)
+ u".vert.qsb"_sv, viewCount);
setShaderFileName(FragmentStage, baseName +
(variant & int(Variant::Derivatives) ? u"_derivatives"_sv : u""_sv)
+ u".frag.qsb"_sv, viewCount);
}
bool updateUniformData(RenderState &state, QSGMaterial *newEffect, QSGMaterial *oldEffect) override;
};
class Q_QUICK_EXPORT QSGCurveStrokeMaterial : public QSGMaterial
{
public:
QSGCurveStrokeMaterial(QSGCurveStrokeNode *node, bool strokeExpanding = false)
: m_node(node), m_strokeExpanding(strokeExpanding)
{
setFlag(Blending, true);
}
int compare(const QSGMaterial *other) const override;
QSGCurveStrokeNode *node() const
{
return m_node;
}
protected:
QSGMaterialType *type() const override
{
static QSGMaterialType legacyType;
static QSGMaterialType strokeExpandingType;
return m_strokeExpanding ? &strokeExpandingType : &legacyType;
}
QSGMaterialShader *createShader(QSGRendererInterface::RenderMode renderMode) const override
{
int variant = int(QSGCurveStrokeMaterialShader::Variant::Default);
if (m_strokeExpanding)
variant |= int(QSGCurveStrokeMaterialShader::Variant::Expanding);
if (renderMode == QSGRendererInterface::RenderMode3D)
variant |= int(QSGCurveStrokeMaterialShader::Variant::Derivatives);
return new QSGCurveStrokeMaterialShader(variant, viewCount());
}
QSGCurveStrokeNode *m_node;
bool m_strokeExpanding = false;
};
QT_END_NAMESPACE
#endif // QSGCURVESTROKENODE_P_P_H
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