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50 | |
51 | #ifndef FBITEM_H |
52 | #define FBITEM_H |
53 | |
54 | #include <QQuickFramebufferObject> |
55 | #include <QOpenGLVertexArrayObject> |
56 | #include <QOpenGLBuffer> |
57 | #include <QOpenGLShaderProgram> |
58 | #include <QVector3D> |
59 | #include "logo.h" |
60 | |
61 | struct StateBinder; |
62 | |
63 | class FbItemRenderer : public QQuickFramebufferObject::Renderer |
64 | { |
65 | public: |
66 | FbItemRenderer(bool multisample); |
67 | void synchronize(QQuickFramebufferObject *item) override; |
68 | void render() override; |
69 | QOpenGLFramebufferObject *createFramebufferObject(const QSize &size) override; |
70 | |
71 | private: |
72 | void ensureInit(); |
73 | void initBuf(); |
74 | void setupVertexAttribs(); |
75 | void initProgram(); |
76 | void updateDirtyUniforms(); |
77 | |
78 | bool m_inited; |
79 | bool m_multisample; |
80 | QMatrix4x4 m_proj; |
81 | QMatrix4x4 m_camera; |
82 | QMatrix4x4 m_baseWorld; |
83 | QMatrix4x4 m_world; |
84 | QOpenGLVertexArrayObject m_vao; |
85 | QOpenGLBuffer m_logoVbo; |
86 | Logo m_logo; |
87 | QScopedPointer<QOpenGLShaderProgram> m_program; |
88 | int m_projMatrixLoc; |
89 | int m_camMatrixLoc; |
90 | int m_worldMatrixLoc; |
91 | int m_normalMatrixLoc; |
92 | int m_lightPosLoc; |
93 | QVector3D m_rotation; |
94 | |
95 | enum Dirty { |
96 | DirtyProjection = 0x01, |
97 | DirtyCamera = 0x02, |
98 | DirtyWorld = 0x04, |
99 | DirtyLight = 0x08, |
100 | DirtyAll = 0xFF |
101 | }; |
102 | int m_dirty; |
103 | |
104 | friend struct StateBinder; |
105 | }; |
106 | |
107 | class FbItem : public QQuickFramebufferObject |
108 | { |
109 | Q_OBJECT |
110 | Q_PROPERTY(QVector3D eye READ eye WRITE setEye) |
111 | Q_PROPERTY(QVector3D target READ target WRITE setTarget) |
112 | Q_PROPERTY(QVector3D rotation READ rotation WRITE setRotation) |
113 | Q_PROPERTY(bool multisample READ multisample WRITE setMultisample) |
114 | QML_ELEMENT |
115 | |
116 | public: |
117 | explicit FbItem(QQuickItem *parent = 0); |
118 | |
119 | QQuickFramebufferObject::Renderer *createRenderer() const override; |
120 | |
121 | QVector3D eye() const { return m_eye; } |
122 | void setEye(const QVector3D &v); |
123 | QVector3D target() const { return m_target; } |
124 | void setTarget(const QVector3D &v); |
125 | |
126 | QVector3D rotation() const { return m_rotation; } |
127 | void setRotation(const QVector3D &v); |
128 | |
129 | enum SyncState { |
130 | CameraNeedsSync = 0x01, |
131 | RotationNeedsSync = 0x02, |
132 | AllNeedsSync = 0xFF |
133 | }; |
134 | int swapSyncState(); |
135 | |
136 | bool multisample() const { return m_multisample; } |
137 | void setMultisample(bool m) { m_multisample = m; } |
138 | |
139 | private: |
140 | QVector3D m_eye; |
141 | QVector3D m_target; |
142 | QVector3D m_rotation; |
143 | int m_syncState; |
144 | bool m_multisample; |
145 | }; |
146 | |
147 | #endif // FBITEM_H |
148 | |