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39 | |
40 | #ifndef QSGRHISHADEREFFECTNODE_P_H |
41 | #define QSGRHISHADEREFFECTNODE_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 purely as an |
48 | // implementation detail. 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 <private/qsgadaptationlayer_p.h> |
55 | #include <qsgmaterial.h> |
56 | |
57 | QT_BEGIN_NAMESPACE |
58 | |
59 | class QSGDefaultRenderContext; |
60 | class QSGPlainTexture; |
61 | class QSGRhiShaderEffectNode; |
62 | class QSGRhiGuiThreadShaderEffectManager; |
63 | class QFileSelector; |
64 | |
65 | class QSGRhiShaderLinker |
66 | { |
67 | public: |
68 | void reset(const QShader &vs, const QShader &fs); |
69 | |
70 | void feedConstants(const QSGShaderEffectNode::ShaderData &shader, const QSet<int> *dirtyIndices = nullptr); |
71 | void feedSamplers(const QSGShaderEffectNode::ShaderData &shader, const QSet<int> *dirtyIndices = nullptr); |
72 | void linkTextureSubRects(); |
73 | |
74 | void dump(); |
75 | |
76 | struct Constant { |
77 | uint size; |
78 | QSGShaderEffectNode::VariableData::SpecialType specialType; |
79 | QVariant value; |
80 | bool operator==(const Constant &other) const { |
81 | return size == other.size && specialType == other.specialType |
82 | && (specialType == QSGShaderEffectNode::VariableData::None ? value == other.value : true); |
83 | } |
84 | }; |
85 | |
86 | bool m_error; |
87 | QShader m_vs; |
88 | QShader m_fs; |
89 | uint m_constantBufferSize; |
90 | QHash<uint, Constant> m_constants; // offset -> Constant |
91 | QHash<int, QVariant> m_samplers; // binding -> value (source ref) |
92 | QHash<QByteArray, int> m_samplerNameMap; // name -> binding |
93 | }; |
94 | |
95 | QDebug operator<<(QDebug debug, const QSGRhiShaderLinker::Constant &c); |
96 | |
97 | class QSGRhiShaderEffectMaterial : public QSGMaterial |
98 | { |
99 | public: |
100 | QSGRhiShaderEffectMaterial(QSGRhiShaderEffectNode *node); |
101 | ~QSGRhiShaderEffectMaterial(); |
102 | |
103 | int compare(const QSGMaterial *other) const override; |
104 | QSGMaterialType *type() const override; |
105 | QSGMaterialShader *createShader() const override; |
106 | |
107 | void updateTextureProviders(bool layoutChange); |
108 | |
109 | static const int MAX_BINDINGS = 32; |
110 | |
111 | QSGRhiShaderEffectNode *m_node; |
112 | QSGMaterialType *m_materialType = nullptr; |
113 | QSGRhiShaderLinker m_linker; |
114 | QVector<QSGTextureProvider *> m_textureProviders; // [binding] = QSGTextureProvider |
115 | bool m_geometryUsesTextureSubRect = false; |
116 | QSGShaderEffectNode::CullMode m_cullMode = QSGShaderEffectNode::NoCulling; |
117 | bool m_hasCustomVertexShader = false; |
118 | bool m_hasCustomFragmentShader = false; |
119 | QShader m_vertexShader; |
120 | QShader m_fragmentShader; |
121 | QSGPlainTexture *m_dummyTexture = nullptr; |
122 | }; |
123 | |
124 | class QSGRhiShaderEffectNode : public QObject, public QSGShaderEffectNode |
125 | { |
126 | Q_OBJECT |
127 | |
128 | public: |
129 | QSGRhiShaderEffectNode(QSGDefaultRenderContext *rc, QSGRhiGuiThreadShaderEffectManager *mgr); |
130 | |
131 | QRectF updateNormalizedTextureSubRect(bool supportsAtlasTextures) override; |
132 | void syncMaterial(SyncData *syncData) override; |
133 | void preprocess() override; |
134 | |
135 | static void cleanupMaterialTypeCache(); |
136 | |
137 | private Q_SLOTS: |
138 | void handleTextureChange(); |
139 | void handleTextureProviderDestroyed(QObject *object); |
140 | |
141 | private: |
142 | QSGDefaultRenderContext *m_rc; |
143 | QSGRhiGuiThreadShaderEffectManager *m_mgr; |
144 | QSGRhiShaderEffectMaterial m_material; |
145 | }; |
146 | |
147 | class QSGRhiGuiThreadShaderEffectManager : public QSGGuiThreadShaderEffectManager |
148 | { |
149 | public: |
150 | bool hasSeparateSamplerAndTextureObjects() const override; |
151 | QString log() const override; |
152 | Status status() const override; |
153 | void prepareShaderCode(ShaderInfo::Type typeHint, const QByteArray &src, ShaderInfo *result) override; |
154 | |
155 | private: |
156 | bool reflect(ShaderInfo *result); |
157 | Status m_status = Uncompiled; |
158 | QFileSelector *m_fileSelector = nullptr; |
159 | }; |
160 | |
161 | QT_END_NAMESPACE |
162 | |
163 | #endif // QSGRHISHADEREFFECTNODE_P_H |
164 | |