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