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42 #ifndef QQUICKSHADEREFFECTNODE_P_H
43 #define QQUICKSHADEREFFECTNODE_P_H
45 #include <QtQuick/qsgnode.h>
46 #include <QtQuick/qsgmaterial.h>
47 #include <QtQuick/qsgtextureprovider.h>
48 #include <QtQuick/qquickitem.h>
50 #include <QtCore/qsharedpointer.h>
51 #include <QtCore/qpointer.h>
57 struct QQuickShaderEffectMaterialKey {
58 QByteArray vertexCode;
59 QByteArray fragmentCode;
60 const char *className;
62 bool operator == (const QQuickShaderEffectMaterialKey &other) const;
65 uint qHash(const QQuickShaderEffectMaterialKey &key);
67 // TODO: Implement support for multisampling.
68 struct QQuickShaderEffectProgram : public QQuickShaderEffectMaterialKey
70 QQuickShaderEffectProgram() : respectsOpacity(false), respectsMatrix(false) {}
72 QVector<QByteArray> attributeNames;
73 QSet<QByteArray> uniformNames;
75 uint respectsOpacity : 1;
76 uint respectsMatrix : 1;
80 class QQuickCustomMaterialShader;
81 class QQuickShaderEffectNode;
82 class QQuickShaderEffectMaterial : public QSGMaterial
92 explicit QQuickShaderEffectMaterial(QQuickShaderEffectNode *node = 0);
93 virtual QSGMaterialType *type() const;
94 virtual QSGMaterialShader *createShader() const;
95 virtual int compare(const QSGMaterial *other) const;
97 void setCullMode(CullMode face);
98 CullMode cullMode() const;
100 void setProgramSource(const QQuickShaderEffectProgram &);
101 void setUniforms(const QVector<QPair<QByteArray, QVariant> > &uniformValues);
102 void setTextureProviders(const QVector<QPair<QByteArray, QSGTextureProvider *> > &textures);
103 const QVector<QPair<QByteArray, QSGTextureProvider *> > &textureProviders() const;
104 void updateTextures() const;
107 friend class QQuickCustomMaterialShader;
109 // The type pointer needs to be unique. It is not safe to let the type object be part of the
110 // QQuickShaderEffectMaterial, since it can be deleted and a new one constructed on top of the old
111 // one. The new QQuickShaderEffectMaterial would then get the same type pointer as the old one, and
112 // CustomMaterialShaders based on the old one would incorrectly be used together with the new
113 // one. To guarantee that the type pointer is unique, the type object must live as long as
114 // there are any CustomMaterialShaders of that type.
115 QSharedPointer<QSGMaterialType> m_type;
117 QQuickShaderEffectProgram m_source;
118 QVector<QPair<QByteArray, QVariant> > m_uniformValues;
119 QVector<QPair<QByteArray, QSGTextureProvider *> > m_textures;
121 QQuickShaderEffectNode *m_node;
122 bool m_emittedLogChanged;
124 static QHash<QQuickShaderEffectMaterialKey, QSharedPointer<QSGMaterialType> > materialMap;
128 class QSGShaderEffectMesh;
130 class QQuickShaderEffectNode : public QObject, public QSGGeometryNode
134 QQuickShaderEffectNode();
135 virtual ~QQuickShaderEffectNode();
137 virtual void preprocess();
139 QQuickShaderEffectMaterial *shaderMaterial() { return &m_material; }
142 void logAndStatusChanged(const QString &, int status);
145 void markDirtyTexture();
148 QQuickShaderEffectMaterial m_material;
155 #endif // QQUICKSHADEREFFECTNODE_P_H