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39
40#ifndef QT3DRENDER_RENDER_SHADERBUILDER_H
41#define QT3DRENDER_RENDER_SHADERBUILDER_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/qshaderprogram.h>
55#include <Qt3DRender/private/backendnode_p.h>
56#include <Qt3DRender/private/qgraphicsapifilter_p.h>
57
58QT_BEGIN_NAMESPACE
59
60namespace Qt3DRender {
61
62namespace Render {
63
64struct ShaderBuilderUpdate
65{
66 Qt3DCore::QNodeId builderId;
67 Qt3DRender::QShaderProgram::ShaderType shaderType;
68 QByteArray shaderCode;
69};
70
71class Q_3DRENDERSHARED_PRIVATE_EXPORT ShaderBuilder : public BackendNode
72{
73public:
74 static QString getPrototypesFile();
75 static void setPrototypesFile(const QString &file);
76 static QStringList getPrototypeNames();
77
78 ShaderBuilder();
79 ~ShaderBuilder();
80 void cleanup();
81
82 Qt3DCore::QNodeId shaderProgramId() const;
83 QStringList enabledLayers() const;
84
85 GraphicsApiFilterData graphicsApi() const;
86 void setGraphicsApi(const GraphicsApiFilterData &graphicsApi);
87
88 QUrl shaderGraph(QShaderProgram::ShaderType type) const;
89 void setShaderGraph(QShaderProgram::ShaderType type, const QUrl &url);
90
91 QByteArray shaderCode(QShaderProgram::ShaderType type) const;
92 bool isShaderCodeDirty(QShaderProgram::ShaderType type) const;
93
94 void generateCode(QShaderProgram::ShaderType type);
95
96 void syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) override;
97
98 QVector<ShaderBuilderUpdate> takePendingUpdates() { return std::move(m_pendingUpdates); }
99
100private:
101 void setEnabledLayers(const QStringList &layers);
102
103 GraphicsApiFilterData m_graphicsApi;
104 Qt3DCore::QNodeId m_shaderProgramId;
105 QStringList m_enabledLayers;
106 QHash<QShaderProgram::ShaderType, QUrl> m_graphs;
107 QHash<QShaderProgram::ShaderType, QByteArray> m_codes;
108 QSet<QShaderProgram::ShaderType> m_dirtyTypes;
109 QVector<ShaderBuilderUpdate> m_pendingUpdates;
110};
111
112} // namespace Render
113} // namespace Qt3DRender
114
115QT_END_NAMESPACE
116
117#endif // QT3DRENDER_RENDER_SHADERBUILDER_H
118

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