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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef QSSGCUSTOMMATERIAL_H
#define QSSGCUSTOMMATERIAL_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtQuick3D/private/qquick3dmaterial_p.h>
#include <QtCore/qurl.h>
#include <QtQuick3DUtils/private/qssgrenderbasetypes_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrendergraphobject_p.h>
#include <QtQuick3D/private/qquick3dshaderutils_p.h>
QT_BEGIN_NAMESPACE
class Q_QUICK3D_EXPORT QQuick3DCustomMaterial : public QQuick3DMaterial
{
Q_OBJECT
Q_PROPERTY(ShadingMode shadingMode READ shadingMode WRITE setShadingMode NOTIFY shadingModeChanged)
Q_PROPERTY(QUrl fragmentShader READ fragmentShader WRITE setFragmentShader NOTIFY fragmentShaderChanged)
Q_PROPERTY(QUrl vertexShader READ vertexShader WRITE setVertexShader NOTIFY vertexShaderChanged)
Q_PROPERTY(QString __fragmentShaderCode READ fragmentShaderCode WRITE setFragmentShaderCode NOTIFY fragmentShaderCodeChanged REVISION(6, 8))
Q_PROPERTY(QString __vertexShaderCode READ vertexShaderCode WRITE setVertexShaderCode NOTIFY vertexShaderCodeChanged REVISION(6, 8))
Q_PROPERTY(BlendMode sourceBlend READ srcBlend WRITE setSrcBlend NOTIFY srcBlendChanged)
Q_PROPERTY(BlendMode destinationBlend READ dstBlend WRITE setDstBlend NOTIFY dstBlendChanged)
Q_PROPERTY(BlendMode sourceAlphaBlend READ srcAlphaBlend WRITE setSrcAlphaBlend NOTIFY srcAlphaBlendChanged REVISION(6, 7))
Q_PROPERTY(BlendMode destinationAlphaBlend READ dstAlphaBlend WRITE setDstAlphaBlend NOTIFY dstAlphaBlendChanged REVISION(6, 7))
Q_PROPERTY(bool alwaysDirty READ alwaysDirty WRITE setAlwaysDirty NOTIFY alwaysDirtyChanged)
Q_PROPERTY(float lineWidth READ lineWidth WRITE setLineWidth NOTIFY lineWidthChanged)
QML_NAMED_ELEMENT(CustomMaterial)
public:
enum class ShadingMode
{
Unshaded,
Shaded
};
Q_ENUM(ShadingMode)
enum class BlendMode
{
NoBlend,
Zero,
One,
SrcColor,
OneMinusSrcColor,
DstColor,
OneMinusDstColor,
SrcAlpha,
OneMinusSrcAlpha,
DstAlpha,
OneMinusDstAlpha,
ConstantColor,
OneMinusConstantColor,
ConstantAlpha,
OneMinusConstantAlpha,
SrcAlphaSaturate
};
Q_ENUM(BlendMode)
explicit QQuick3DCustomMaterial(QQuick3DObject *parent = nullptr);
~QQuick3DCustomMaterial() override;
ShadingMode shadingMode() const;
QUrl vertexShader() const;
QUrl fragmentShader() const;
Q_REVISION(6, 8) QString vertexShaderCode() const;
Q_REVISION(6, 8) QString fragmentShaderCode() const;
BlendMode srcBlend() const;
BlendMode dstBlend() const;
Q_REVISION(6, 7) BlendMode srcAlphaBlend() const;
Q_REVISION(6, 7) BlendMode dstAlphaBlend() const;
bool alwaysDirty() const;
float lineWidth() const;
public Q_SLOTS:
void setShadingMode(QQuick3DCustomMaterial::ShadingMode mode);
void setVertexShader(const QUrl &url);
void setFragmentShader(const QUrl &url);
Q_REVISION(6, 8) void setVertexShaderCode(const QString &code);
Q_REVISION(6, 8) void setFragmentShaderCode(const QString &code);
void setSrcBlend(QQuick3DCustomMaterial::BlendMode mode);
void setDstBlend(QQuick3DCustomMaterial::BlendMode mode);
Q_REVISION(6, 7) void setSrcAlphaBlend(QQuick3DCustomMaterial::BlendMode mode);
Q_REVISION(6, 7) void setDstAlphaBlend(QQuick3DCustomMaterial::BlendMode mode);
void setAlwaysDirty(bool alwaysDirty);
void setLineWidth(float width);
Q_SIGNALS:
void shadingModeChanged();
void vertexShaderChanged();
void fragmentShaderChanged();
Q_REVISION(6, 8) void vertexShaderCodeChanged();
Q_REVISION(6, 8) void fragmentShaderCodeChanged();
void srcBlendChanged();
void dstBlendChanged();
Q_REVISION(6, 7) void srcAlphaBlendChanged();
Q_REVISION(6, 7) void dstAlphaBlendChanged();
void alwaysDirtyChanged();
void lineWidthChanged();
protected:
enum Dirty : quint32 {
TextureDirty = 0x1,
PropertyDirty = 0x2,
ShaderSettingsDirty = 0x4,
DynamicPropertiesDirty = 0x8, // Special case for custom materials created manually
AllDirty = std::numeric_limits<quint32>::max() ^ DynamicPropertiesDirty // (DynamicPropertiesDirty is intentionally excluded from AllDirty)
};
QSSGRenderGraphObject *updateSpatialNode(QSSGRenderGraphObject *node) override;
void itemChange(ItemChange, const ItemChangeData &) override;
void markAllDirty() override;
static void markDirty(QQuick3DCustomMaterial &that, QQuick3DCustomMaterial::Dirty type);
private Q_SLOTS:
void onPropertyDirty();
void onTextureDirty();
private:
friend class QQuick3DShaderUtilsTextureInput;
friend class QQuick3DViewport;
void setDynamicTextureMap(QQuick3DShaderUtilsTextureInput *textureMap);
QSet<QQuick3DShaderUtilsTextureInput *> m_dynamicTextureMaps;
quint32 m_dirtyAttributes = Dirty::AllDirty;
BlendMode m_srcBlend = BlendMode::NoBlend;
BlendMode m_dstBlend = BlendMode::NoBlend;
BlendMode m_srcAlphaBlend = BlendMode::NoBlend;
BlendMode m_dstAlphaBlend = BlendMode::NoBlend;
ShadingMode m_shadingMode = ShadingMode::Shaded;
QUrl m_vertexShader;
QUrl m_fragmentShader;
QString m_vertexShaderCode;
QString m_fragmentShaderCode;
bool m_alwaysDirty = false;
float m_lineWidth = 1.0f;
};
QT_END_NAMESPACE
#endif // QSSGCUSTOMMATERIAL_H
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