| 1 | /**************************************************************************** | 
| 2 | ** | 
| 3 | ** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). | 
| 4 | ** Contact: https://www.qt.io/licensing/ | 
| 5 | ** | 
| 6 | ** This file is part of the Qt3D module of the Qt Toolkit. | 
| 7 | ** | 
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ | 
| 9 | ** Commercial License Usage | 
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | 
| 11 | ** accordance with the commercial license agreement provided with the | 
| 12 | ** Software or, alternatively, in accordance with the terms contained in | 
| 13 | ** a written agreement between you and The Qt Company. For licensing terms | 
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further | 
| 15 | ** information use the contact form at https://www.qt.io/contact-us. | 
| 16 | ** | 
| 17 | ** GNU Lesser General Public License Usage | 
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser | 
| 19 | ** General Public License version 3 as published by the Free Software | 
| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the | 
| 21 | ** packaging of this file. Please review the following information to | 
| 22 | ** ensure the GNU Lesser General Public License version 3 requirements | 
| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. | 
| 24 | ** | 
| 25 | ** GNU General Public License Usage | 
| 26 | ** Alternatively, this file may be used under the terms of the GNU | 
| 27 | ** General Public License version 2.0 or (at your option) the GNU General | 
| 28 | ** Public license version 3 or any later version approved by the KDE Free | 
| 29 | ** Qt Foundation. The licenses are as published by the Free Software | 
| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 | 
| 31 | ** included in the packaging of this file. Please review the following | 
| 32 | ** information to ensure the GNU General Public License requirements will | 
| 33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and | 
| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. | 
| 35 | ** | 
| 36 | ** $QT_END_LICENSE$ | 
| 37 | ** | 
| 38 | ****************************************************************************/ | 
| 39 |  | 
| 40 | #ifndef QT3DRENDER_RENDER_SHADER_H | 
| 41 | #define QT3DRENDER_RENDER_SHADER_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/qshaderprogram.h> | 
| 56 | #include <QVector> | 
| 57 |  | 
| 58 | QT_BEGIN_NAMESPACE | 
| 59 |  | 
| 60 | class QOpenGLShaderProgram; | 
| 61 |  | 
| 62 | namespace Qt3DRender { | 
| 63 |  | 
| 64 | namespace Render { | 
| 65 |  | 
| 66 | class ShaderManager; | 
| 67 | class AttachmentPack; | 
| 68 |  | 
| 69 | class Q_3DRENDERSHARED_PRIVATE_EXPORT Shader : public BackendNode | 
| 70 | { | 
| 71 | public: | 
| 72 |     static const int modelMatrixNameId; | 
| 73 |     static const int viewMatrixNameId; | 
| 74 |     static const int projectionMatrixNameId; | 
| 75 |     static const int modelViewMatrixNameId; | 
| 76 |     static const int viewProjectionMatrixNameId; | 
| 77 |     static const int modelViewProjectionNameId; | 
| 78 |     static const int mvpNameId; | 
| 79 |     static const int inverseModelMatrixNameId; | 
| 80 |     static const int inverseViewMatrixNameId; | 
| 81 |     static const int inverseProjectionMatrixNameId; | 
| 82 |     static const int inverseModelViewNameId; | 
| 83 |     static const int inverseViewProjectionMatrixNameId; | 
| 84 |     static const int inverseModelViewProjectionNameId; | 
| 85 |     static const int modelNormalMatrixNameId; | 
| 86 |     static const int modelViewNormalNameId; | 
| 87 |     static const int viewportMatrixNameId; | 
| 88 |     static const int inverseViewportMatrixNameId; | 
| 89 |     static const int textureTransformMatrixNameId; | 
| 90 |     static const int aspectRatioNameId; | 
| 91 |     static const int exposureNameId; | 
| 92 |     static const int gammaNameId; | 
| 93 |     static const int timeNameId; | 
| 94 |     static const int eyePositionNameId; | 
| 95 |     static const int skinningPaletteNameId; | 
| 96 |  | 
| 97 |     Shader(); | 
| 98 |     ~Shader(); | 
| 99 |  | 
| 100 |     void cleanup(); | 
| 101 |  | 
| 102 |     QVector<QByteArray> shaderCode() const; | 
| 103 |     void setShaderCode(QShaderProgram::ShaderType type, const QByteArray &code); | 
| 104 |  | 
| 105 |     void syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) override; | 
| 106 |  | 
| 107 |     inline QString log() const { return m_log; } | 
| 108 |     inline QShaderProgram::Status status() const { return m_status; } | 
| 109 |  | 
| 110 |     void setFormat(QShaderProgram::Format format); | 
| 111 |     QShaderProgram::Format format() const { return m_format; } | 
| 112 |     bool isDirty() const { return m_dirty; } | 
| 113 |     void unsetDirty() { m_dirty = false; } | 
| 114 |  | 
| 115 |     inline bool requiresFrontendSync() const { return m_requiresFrontendSync; } | 
| 116 |     inline void unsetRequiresFrontendSync() { m_requiresFrontendSync = false; } | 
| 117 |  | 
| 118 |     // Set by Renderer plugin | 
| 119 |     void setLog(const QString &log); | 
| 120 |     void setStatus(QShaderProgram::Status status); | 
| 121 |     void initializeFromReference(const Shader &other); | 
| 122 |  | 
| 123 |     void requestCacheRebuild(); | 
| 124 |  | 
| 125 | private: | 
| 126 |     QVector<QByteArray> m_shaderCode; | 
| 127 |  | 
| 128 |     QString m_log; | 
| 129 |     bool m_requiresFrontendSync; | 
| 130 |     QShaderProgram::Status m_status; | 
| 131 |     QShaderProgram::Format m_format; | 
| 132 |     bool m_dirty; | 
| 133 |  | 
| 134 | }; | 
| 135 |  | 
| 136 | #ifndef QT_NO_DEBUG_STREAM | 
| 137 | inline QDebug operator<<(QDebug dbg, const Shader &shader) | 
| 138 | { | 
| 139 |     QDebugStateSaver saver(dbg); | 
| 140 |     dbg << "QNodeId ="  << shader.peerId() << Qt::endl; | 
| 141 |     return dbg; | 
| 142 | } | 
| 143 | #endif | 
| 144 |  | 
| 145 | class Q_AUTOTEST_EXPORT ShaderFunctor : public Qt3DCore::QBackendNodeMapper | 
| 146 | { | 
| 147 | public: | 
| 148 |     explicit ShaderFunctor(AbstractRenderer *renderer, | 
| 149 |                            ShaderManager *manager); | 
| 150 |     Qt3DCore::QBackendNode *create(const Qt3DCore::QNodeCreatedChangeBasePtr &change) const final; | 
| 151 |     Qt3DCore::QBackendNode *get(Qt3DCore::QNodeId id) const final; | 
| 152 |     void destroy(Qt3DCore::QNodeId id) const final; | 
| 153 |  | 
| 154 | private: | 
| 155 |     AbstractRenderer *m_renderer; | 
| 156 |     ShaderManager *m_shaderManager; | 
| 157 | }; | 
| 158 |  | 
| 159 | } // namespace Render | 
| 160 | } // namespace Qt3DRender | 
| 161 |  | 
| 162 | QT_END_NAMESPACE | 
| 163 |  | 
| 164 | #endif // QT3DRENDER_RENDER_SHADER_H | 
| 165 |  |