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39
40#ifndef QT3DRENDER_RENDER_SHADERDATA_P_H
41#define QT3DRENDER_RENDER_SHADERDATA_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists for the convenience
48// of other Qt classes. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <Qt3DRender/private/backendnode_p.h>
55#include <Qt3DRender/qshaderdata.h>
56#include <QMutex>
57#include <Qt3DCore/private/matrix4x4_p.h>
58
59QT_BEGIN_NAMESPACE
60
61namespace Qt3DRender {
62
63namespace Render {
64
65class GraphicsContext;
66class GLBuffer;
67class NodeManagers;
68
69class Q_3DRENDERSHARED_PRIVATE_EXPORT ShaderData : public BackendNode
70{
71public:
72 enum TransformType {
73 NoTransform = -1,
74 ModelToEye = 0,
75 ModelToWorld,
76 ModelToWorldDirection
77 };
78 struct PropertyValue {
79 QVariant value;
80 bool isNested;
81 bool isTransformed;
82 };
83
84 ShaderData();
85 ~ShaderData();
86
87 QHash<QString, PropertyValue> properties() const { return m_originalProperties; }
88
89 // Called by FramePreparationJob
90 void updateWorldTransform(const Matrix4x4 &worldMatrix);
91
92 QVariant getTransformedProperty(const QString &name, const Matrix4x4 &viewMatrix) const noexcept;
93
94 // Unit tests purposes only
95 TransformType propertyTransformType(const QString &name) const;
96
97 void setManagers(NodeManagers *managers);
98
99 void syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) override;
100
101#ifdef Q_OS_WIN
102 // To get MSVC to compile even though we don't need any cleanup
103 void cleanup() {}
104#endif
105
106protected:
107 PropertyReaderInterfacePtr m_propertyReader;
108
109
110 // 1 to 1 match with frontend properties
111 QHash<QString, PropertyValue> m_originalProperties;
112
113 Matrix4x4 m_worldMatrix;
114 NodeManagers *m_managers;
115
116 static ShaderData *lookupResource(NodeManagers *managers, Qt3DCore::QNodeId id);
117 ShaderData *lookupResource(Qt3DCore::QNodeId id);
118
119 friend class RenderShaderDataFunctor;
120};
121
122class RenderShaderDataFunctor : public Qt3DCore::QBackendNodeMapper
123{
124public:
125 explicit RenderShaderDataFunctor(AbstractRenderer *renderer, NodeManagers *managers);
126
127 Qt3DCore::QBackendNode *create(const Qt3DCore::QNodeCreatedChangeBasePtr &change) const final;
128 Qt3DCore::QBackendNode *get(Qt3DCore::QNodeId id) const final;
129 void destroy(Qt3DCore::QNodeId id) const final;
130
131private:
132 NodeManagers *m_managers;
133 AbstractRenderer *m_renderer;
134};
135
136} // namespace Render
137
138} // namespace Qt3DRender
139
140QT_END_NAMESPACE
141
142Q_DECLARE_METATYPE(Qt3DRender::Render::ShaderData*) // LCOV_EXCL_LINE
143
144#endif // QT3DRENDER_RENDER_SHADERDATA_P_H
145

source code of qt3d/src/render/materialsystem/shaderdata_p.h