1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2019 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of Qt Quick 3D. 7 ** 8 ** $QT_BEGIN_LICENSE:GPL$ 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 General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU 19 ** General Public License version 3 or (at your option) any later version 20 ** approved by the KDE Free Qt Foundation. The licenses are as published by 21 ** the Free Software Foundation and appearing in the file LICENSE.GPL3 22 ** included in the packaging of this file. Please review the following 23 ** information to ensure the GNU General Public License requirements will 24 ** be met: https://www.gnu.org/licenses/gpl-3.0.html. 25 ** 26 ** $QT_END_LICENSE$ 27 ** 28 ****************************************************************************/ 29 30 #ifndef QSSGCUSTOMMATERIAL_H 31 #define QSSGCUSTOMMATERIAL_H 32 33 // 34 // W A R N I N G 35 // ------------- 36 // 37 // This file is not part of the Qt API. It exists purely as an 38 // implementation detail. This header file may change from version to 39 // version without notice, or even be removed. 40 // 41 // We mean it. 42 // 43 44 #include <QtQuick3D/private/qquick3dmaterial_p.h> 45 #include <QtCore/qvector.h> 46 47 #include <QtQuick3DRender/private/qssgrenderbasetypes_p.h> 48 #include <QtQuick3DRuntimeRender/private/qssgrendergraphobject_p.h> 49 #include <QtQuick3DRuntimeRender/private/qssgrenderdynamicobjectsystemcommands_p.h> 50 51 #include <QtQuick3D/private/qquick3dshaderutils_p.h> 52 53 54 QT_BEGIN_NAMESPACE 55 56 class Q_QUICK3D_EXPORT QQuick3DCustomMaterial : public QQuick3DMaterial 57 { 58 Q_OBJECT 59 Q_PROPERTY(bool hasTransparency READ hasTransparency WRITE setHasTransparency NOTIFY hasTransparencyChanged) 60 Q_PROPERTY(bool hasRefraction READ hasRefraction WRITE setHasRefraction NOTIFY hasRefractionChanged) 61 Q_PROPERTY(bool alwaysDirty READ alwaysDirty WRITE setAlwaysDirty NOTIFY alwaysDirtyChanged) 62 Q_PROPERTY(QQuick3DShaderUtilsShaderInfo *shaderInfo READ shaderInfo WRITE setShaderInfo) 63 Q_PROPERTY(QQmlListProperty<QQuick3DShaderUtilsRenderPass> passes READ passes) 64 65 public: 66 explicit QQuick3DCustomMaterial(QQuick3DObject *parent = nullptr); 67 ~QQuick3DCustomMaterial() override; 68 69 bool hasTransparency() const; 70 bool hasRefraction() const; 71 bool alwaysDirty() const; 72 73 QQuick3DShaderUtilsShaderInfo *shaderInfo() const; 74 QQmlListProperty<QQuick3DShaderUtilsRenderPass> passes(); 75 76 public Q_SLOTS: 77 void setHasTransparency(bool hasTransparency); 78 void setHasRefraction(bool hasRefraction); 79 void setShaderInfo(QQuick3DShaderUtilsShaderInfo *shaderInfo); 80 void setAlwaysDirty(bool alwaysDirty); 81 82 Q_SIGNALS: 83 void hasTransparencyChanged(bool hasTransparency); 84 void hasRefractionChanged(bool hasRefraction); 85 void alwaysDirtyChanged(bool alwaysDirty); 86 87 protected: 88 QSSGRenderGraphObject *updateSpatialNode(QSSGRenderGraphObject *node) override; 89 void markAllDirty() override; 90 91 private Q_SLOTS: 92 void onPropertyDirty(); 93 void onTextureDirty(QQuick3DShaderUtilsTextureInput *texture); 94 95 private: 96 enum Dirty { 97 TextureDirty = 0x1, 98 PropertyDirty = 0x2 99 }; 100 101 // Passes 102 static void qmlAppendPass(QQmlListProperty<QQuick3DShaderUtilsRenderPass> *list, QQuick3DShaderUtilsRenderPass *pass); 103 static QQuick3DShaderUtilsRenderPass *qmlPassAt(QQmlListProperty<QQuick3DShaderUtilsRenderPass> *list, int index); 104 static int qmlPassCount(QQmlListProperty<QQuick3DShaderUtilsRenderPass> *list); 105 static void qmlPassClear(QQmlListProperty<QQuick3DShaderUtilsRenderPass> *list); 106 markDirty(QQuick3DCustomMaterial::Dirty type)107 void markDirty(QQuick3DCustomMaterial::Dirty type) 108 { 109 if (!(m_dirtyAttributes & quint32(type))) { 110 m_dirtyAttributes |= quint32(type); 111 update(); 112 } 113 } 114 115 quint32 m_dirtyAttributes = 0xffffffff; 116 bool m_hasTransparency = false; 117 bool m_hasRefraction = false; 118 QQuick3DShaderUtilsShaderInfo *m_shaderInfo = nullptr; 119 QVector<QQuick3DShaderUtilsRenderPass *> m_passes; 120 bool m_alwaysDirty = false; 121 }; 122 123 QT_END_NAMESPACE 124 125 #endif // QSSGCUSTOMMATERIAL_H 126