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| |
| #ifndef QQUICKOPENGLSHADEREFFECTNODE_P_H |
| #define QQUICKOPENGLSHADEREFFECTNODE_P_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 <private/qtquickglobal_p.h> |
| |
| QT_REQUIRE_CONFIG(quick_shadereffect); |
| |
| #include <QtQuick/qsgnode.h> |
| #include <QtQuick/qsgmaterial.h> |
| #include <QtQuick/qsgtextureprovider.h> |
| #include <QtQuick/qquickitem.h> |
| #include <private/qtquickglobal_p.h> |
| #include <private/qquickshadereffect_p.h> |
| |
| #include <QtCore/qsharedpointer.h> |
| #include <QtCore/qpointer.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| struct QQuickOpenGLShaderEffectMaterialKey { |
| enum ShaderType |
| { |
| VertexShader, |
| FragmentShader, |
| ShaderTypeCount |
| }; |
| |
| QByteArray sourceCode[ShaderTypeCount]; |
| |
| bool operator == (const QQuickOpenGLShaderEffectMaterialKey &other) const; |
| bool operator != (const QQuickOpenGLShaderEffectMaterialKey &other) const; |
| }; |
| |
| uint qHash(const QQuickOpenGLShaderEffectMaterialKey &key); |
| |
| class QQuickCustomMaterialShader; |
| class QQuickOpenGLShaderEffectNode; |
| class Q_QUICK_PRIVATE_EXPORT QQuickOpenGLShaderEffectMaterial : public QSGMaterial |
| { |
| public: |
| struct UniformData |
| { |
| enum SpecialType { None, Sampler, SamplerExternal, SubRect, Opacity, Matrix }; |
| |
| QByteArray name; |
| QVariant value; |
| int propertyIndex = -1; |
| SpecialType specialType; |
| |
| bool operator == (const UniformData &other) const; |
| |
| void setValueFromProperty(QObject *item, const QMetaObject *itemMetaObject) |
| { |
| if (propertyIndex == -1) { |
| value = item->property(name); |
| } else { |
| value = itemMetaObject->property(propertyIndex).read(item); |
| } |
| } |
| }; |
| |
| explicit QQuickOpenGLShaderEffectMaterial(QQuickOpenGLShaderEffectNode *node = nullptr); |
| QSGMaterialType *type() const override; |
| QSGMaterialShader *createShader() const override; |
| int compare(const QSGMaterial *other) const override; |
| |
| QVector<QByteArray> attributes; |
| QVector<UniformData> uniforms[QQuickOpenGLShaderEffectMaterialKey::ShaderTypeCount]; |
| QVector<QSGTextureProvider *> textureProviders; |
| QQuickShaderEffect::CullMode cullMode; |
| bool geometryUsesTextureSubRect; |
| |
| void setProgramSource(const QQuickOpenGLShaderEffectMaterialKey &source); |
| void updateTextures() const; |
| void invalidateTextureProvider(const QObject *provider); |
| |
| static void cleanupMaterialCache(); |
| |
| protected: |
| friend class QQuickCustomMaterialShader; |
| |
| // Each material needs a unique type to ensure that the renderer has a one |
| // and exactly one GL program for every unique set of shader sources. |
| // setProgramSource() stores the sources in a cache along with the right |
| // type. The type is cleaned up in cleanupMaterialCache() which is called |
| // when the GL context is shut down. |
| QSGMaterialType *m_type; |
| QQuickOpenGLShaderEffectMaterialKey m_source; |
| |
| QQuickOpenGLShaderEffectNode *m_node; |
| bool m_emittedLogChanged; |
| }; |
| |
| |
| class QSGShaderEffectMesh; |
| |
| class Q_QUICK_PRIVATE_EXPORT QQuickOpenGLShaderEffectNode : public QObject, public QSGGeometryNode |
| { |
| Q_OBJECT |
| public: |
| QQuickOpenGLShaderEffectNode(); |
| ~QQuickOpenGLShaderEffectNode() override; |
| |
| void preprocess() override; |
| |
| Q_SIGNALS: |
| void logAndStatusChanged(const QString &, int status); |
| void dirtyTexture(); |
| |
| private Q_SLOTS: |
| void markDirtyTexture(); |
| void textureProviderDestroyed(QObject *object); |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QQUICKOPENGLSHADEREFFECTNODE_P_H |