1 | // Copyright (C) 2022 The Qt Company Ltd. |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #ifndef QQUICKSHADEREFFECT_P_P_H |
5 | #define QQUICKSHADEREFFECT_P_P_H |
6 | |
7 | // |
8 | // W A R N I N G |
9 | // ------------- |
10 | // |
11 | // This file is not part of the Qt API. It exists purely as an |
12 | // implementation detail. This header file may change from version to |
13 | // version without notice, or even be removed. |
14 | // |
15 | // We mean it. |
16 | // |
17 | |
18 | #include <private/qtquickglobal_p.h> |
19 | |
20 | QT_REQUIRE_CONFIG(quick_shadereffect); |
21 | |
22 | #include <private/qquickshadereffect_p.h> |
23 | #include <private/qquickitem_p.h> |
24 | #include <private/qquickshadereffectmesh_p.h> |
25 | |
26 | QT_BEGIN_NAMESPACE |
27 | |
28 | namespace QtPrivate { |
29 | class EffectSlotMapper; |
30 | } |
31 | |
32 | class QQuickShaderEffectPrivate : public QQuickItemPrivate |
33 | { |
34 | Q_DECLARE_PUBLIC(QQuickShaderEffect) |
35 | |
36 | public: |
37 | QQuickShaderEffectPrivate(); |
38 | ~QQuickShaderEffectPrivate(); |
39 | |
40 | void updatePolish() override; |
41 | |
42 | QUrl fragmentShader() const { return m_fragShader; } |
43 | void setFragmentShader(const QUrl &fileUrl); |
44 | |
45 | QUrl vertexShader() const { return m_vertShader; } |
46 | void setVertexShader(const QUrl &fileUrl); |
47 | |
48 | bool blending() const { return m_blending; } |
49 | void setBlending(bool enable); |
50 | |
51 | QVariant mesh() const; |
52 | void setMesh(const QVariant &mesh); |
53 | |
54 | QQuickShaderEffect::CullMode cullMode() const { return m_cullMode; } |
55 | void setCullMode(QQuickShaderEffect::CullMode face); |
56 | |
57 | QString log() const; |
58 | QQuickShaderEffect::Status status() const; |
59 | |
60 | bool supportsAtlasTextures() const { return m_supportsAtlasTextures; } |
61 | void setSupportsAtlasTextures(bool supports); |
62 | |
63 | QString parseLog(); |
64 | |
65 | void handleEvent(QEvent *); |
66 | void handleGeometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry); |
67 | QSGNode *handleUpdatePaintNode(QSGNode *, QQuickItem::UpdatePaintNodeData *); |
68 | void handleComponentComplete(); |
69 | void handleItemChange(QQuickItem::ItemChange change, const QQuickItem::ItemChangeData &value); |
70 | void maybeUpdateShaders(); |
71 | bool updateUniformValue(const QByteArray &name, const QVariant &value, |
72 | QSGShaderEffectNode *node); |
73 | |
74 | void propertyChanged(int mappedId); |
75 | void sourceDestroyed(QObject *object); |
76 | void markGeometryDirtyAndUpdate(); |
77 | void markGeometryDirtyAndUpdateIfSupportsAtlas(); |
78 | void shaderCodePrepared(bool ok, QSGGuiThreadShaderEffectManager::ShaderInfo::Type typeHint, |
79 | const QUrl &loadUrl, QSGGuiThreadShaderEffectManager::ShaderInfo *result); |
80 | |
81 | private: |
82 | QSGGuiThreadShaderEffectManager *shaderEffectManager() const; |
83 | |
84 | enum Shader { |
85 | Vertex, |
86 | Fragment, |
87 | |
88 | NShader |
89 | }; |
90 | bool updateShader(Shader shaderType, const QUrl &fileUrl); |
91 | void updateShaderVars(Shader shaderType); |
92 | void disconnectSignals(Shader shaderType); |
93 | void clearMappers(Shader shaderType); |
94 | std::optional<int> findMappedShaderVariableId(const QByteArray &name) const; |
95 | bool sourceIsUnique(QQuickItem *source, Shader typeToSkip, int indexToSkip) const; |
96 | |
97 | bool inDestructor = false; |
98 | const QMetaObject *m_itemMetaObject = nullptr; |
99 | QSize m_meshResolution; |
100 | QQuickShaderEffectMesh *m_mesh; |
101 | QMetaObject::Connection m_meshConnection; |
102 | QQuickGridMesh m_defaultMesh; |
103 | QQuickShaderEffect::CullMode m_cullMode; |
104 | bool m_blending; |
105 | bool m_supportsAtlasTextures; |
106 | mutable QSGGuiThreadShaderEffectManager *m_mgr; |
107 | QUrl m_fragShader; |
108 | bool m_fragNeedsUpdate; |
109 | QUrl m_vertShader; |
110 | bool m_vertNeedsUpdate; |
111 | |
112 | QSGShaderEffectNode::ShaderData m_shaders[NShader]; |
113 | QSGShaderEffectNode::DirtyShaderFlags m_dirty; |
114 | QSet<int> m_dirtyConstants[NShader]; |
115 | QSet<int> m_dirtyTextures[NShader]; |
116 | QSGGuiThreadShaderEffectManager::ShaderInfo *m_inProgress[NShader]; |
117 | |
118 | QVector<QtPrivate::EffectSlotMapper *> m_mappers[NShader]; |
119 | |
120 | QHash<QQuickItem *, QMetaObject::Connection> m_destroyedConnections; |
121 | }; |
122 | |
123 | QT_END_NAMESPACE |
124 | |
125 | #endif // QQUICKSHADEREFFECT_P_P_H |
126 | |