| 1 | // Copyright (C) 2021 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 |
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| 3 | |
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| 4 | #ifndef CUSTOMMATERIAL_H |
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| 5 | #define CUSTOMMATERIAL_H |
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| 6 | |
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| 7 | #include <QtQuick3DAssetUtils/private/qssgscenedesc_p.h> |
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| 8 | |
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| 9 | #include <QtCore/qpointer.h> |
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| 10 | |
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| 11 | QT_BEGIN_NAMESPACE |
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| 12 | |
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| 13 | class CustomMaterial |
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| 14 | { |
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| 15 | public: |
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| 16 | struct Uniform |
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| 17 | { |
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| 18 | enum class Type |
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| 19 | { |
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| 20 | Bool, |
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| 21 | Int, |
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| 22 | Float, |
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| 23 | Vec2, |
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| 24 | Vec3, |
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| 25 | Vec4, |
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| 26 | Mat44, |
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| 27 | Sampler, |
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| 28 | Last |
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| 29 | }; |
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| 30 | union { |
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| 31 | bool b; |
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| 32 | int i; |
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| 33 | float f; |
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| 34 | QVector2D vec2; |
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| 35 | QVector3D vec3; |
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| 36 | QVector4D vec4; |
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| 37 | quintptr d; |
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| 38 | }; |
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| 39 | Type type; |
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| 40 | QByteArray name; |
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| 41 | QMatrix4x4 m44; |
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| 42 | QString imagePath; |
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| 43 | }; |
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| 44 | using UniformTable = QList<Uniform>; |
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| 45 | using TextureStore = QList<QImage *>; |
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| 46 | |
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| 47 | struct Properties |
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| 48 | { |
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| 49 | QQuick3DCustomMaterial::CullMode cullMode { QQuick3DCustomMaterial::CullMode::BackFaceCulling }; |
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| 50 | QQuick3DCustomMaterial::DepthDrawMode depthDrawMode { QQuick3DCustomMaterial::DepthDrawMode::OpaqueOnlyDepthDraw }; |
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| 51 | QQuick3DCustomMaterial::ShadingMode shadingMode { QQuick3DCustomMaterial::ShadingMode::Shaded }; |
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| 52 | QQuick3DCustomMaterial::BlendMode sourceBlend { QQuick3DCustomMaterial::BlendMode::NoBlend }; |
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| 53 | QQuick3DCustomMaterial::BlendMode destinationBlend { QQuick3DCustomMaterial::BlendMode::NoBlend }; |
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| 54 | } properties; |
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| 55 | |
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| 56 | struct Shaders |
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| 57 | { |
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| 58 | QUrl vert; |
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| 59 | QUrl frag; |
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| 60 | }; |
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| 61 | |
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| 62 | static void setUniform(QSSGSceneDesc::Material &material, const Uniform &uniform); |
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| 63 | QPointer<QQuick3DCustomMaterial> create(QQuick3DNode &parent, const UniformTable &uniforms, const Properties &properties, const Shaders &shaders); |
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| 64 | bool isValid() const; |
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| 65 | friend QTextStream &operator<<(QTextStream &stream, const CustomMaterial &material) |
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| 66 | { |
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| 67 | using namespace QSSGSceneDesc; |
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| 68 | const auto &scene = material.scene; |
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| 69 | if (auto node = scene.root) { |
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| 70 | Q_ASSERT(node->runtimeType == Material::RuntimeType::CustomMaterial); |
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| 71 | writeQmlComponent(material: static_cast<const QSSGSceneDesc::Material &>(*node), stream); |
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| 72 | } |
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| 73 | return stream; |
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| 74 | } |
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| 75 | |
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| 76 | friend QDataStream &operator<<(QDataStream &stream, const CustomMaterial::Uniform &uniform) { return writeToDataStream(stream, uniform); } |
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| 77 | friend QDataStream &operator>>(QDataStream &stream, CustomMaterial::Uniform &uniform) { return readFromDataStream(stream, uniform); } |
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| 78 | |
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| 79 | private: |
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| 80 | static QDataStream &readFromDataStream(QDataStream &stream, Uniform &uniform); |
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| 81 | static QDataStream &writeToDataStream(QDataStream &stream, const Uniform &uniform); |
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| 82 | static void writeQmlComponent(const QSSGSceneDesc::Material &material, QTextStream &stream); |
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| 83 | QSSGSceneDesc::Scene scene; |
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| 84 | }; |
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| 85 | |
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| 86 | QT_END_NAMESPACE |
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| 87 | |
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| 88 | #endif // CUSTOMMATERIAL_H |
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| 89 | |
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